linux.git
2 years agoMerge tag 'drm-misc-next-2022-09-23' of git://anongit.freedesktop.org/drm/drm-misc...
Dave Airlie [Wed, 28 Sep 2022 03:50:28 +0000 (13:50 +1000)]
Merge tag 'drm-misc-next-2022-09-23' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 6.1:

UAPI Changes:

Cross-subsystem Changes:
  - dma-buf: Improve signaling when debugging

Core Changes:
  - Backlight handling improvements
  - format-helper: Add drm_fb_build_fourcc_list()
  - fourcc: Kunit tests improvements
  - modes: Add DRM_MODE_INIT() macro
  - plane: Remove drm_plane_init(), Allocate planes with drm_universal_plane_alloc()
  - plane-helper: Add drm_plane_helper_atomic_check()
  - probe-helper: Add drm_connector_helper_get_modes_fixed() and
    drm_crtc_helper_mode_valid_fixed()
  - tests: Conversion to parametrized tests, test name consistency

Driver Changes:
  - amdgpu: Fix for a VRAM eviction issue
  - ast: Resolution handling improvements
  - mediatek: small code improvements for DP
  - omap: Refcounting fix, small improvements
  - rockchip: RK3568 support, Gamma support for RK3399
  - sun4i: Build failure fix when !OF
  - udl: Multiple fixes here and there
  - vc4: HDMI hotplug handling improvements
  - vkms: Warning fix

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220923073943.d43tne5hni3iknlv@houat
2 years agoMerge tag 'drm-msm-next-2022-09-22' of https://gitlab.freedesktop.org/drm/msm into...
Dave Airlie [Wed, 28 Sep 2022 01:35:25 +0000 (11:35 +1000)]
Merge tag 'drm-msm-next-2022-09-22' of https://gitlab.freedesktop.org/drm/msm into drm-next

msm-next for v6.1

DPU:
- simplified VBIF configuration
- cleaned up CTL interfaces to accept indices rather than flush masks

DSI:
- removed unused msm_display_dsc_config struct
- switch regulator calls to new bulk API
- switched to use PANEL_BRIDGE for directly attached panels

DSI PHY:
- converted drivers to use parent_hws instead of parent_names

DP:
- cleaned up pixel_rate handling

HDMI PHY:
- turned hdmi-phy-8996 into OF clk provider

core:
- misc dt-bindings fixes
- choose eDP as primary display if it's available
- support getting interconnects from either the mdss or the mdp5/dpu
  device nodes

gpu+gem:
- Shrinker + LRU re-work:
  - adds a shared GEM LRU+shrinker helper and moves msm over to that
  - reduces lock contention between retire and submit by avoiding the
    need to acquire obj lock in retire path (and instead using resv
    seeing obj's busyness in the shrinker
  - fix reclaim vs submit issues
- GEM fault injection for triggering userspace error paths
- Map/unmap optimization
- Improved robustness for a6xx GPU recovery

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Rob Clark <robdclark@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/CAF6AEGsrfrr9v1oR9S4oYfOs9jm=jbKQiwPBTrCRHrjYerJJFA@mail.gmail.com
2 years agoMerge tag 'mediatek-drm-next-6.1' of https://git.kernel.org/pub/scm/linux/kernel...
Dave Airlie [Tue, 27 Sep 2022 21:05:38 +0000 (07:05 +1000)]
Merge tag 'mediatek-drm-next-6.1' of https://git./linux/kernel/git/chunkuang.hu/linux into drm-next

Mediatek DRM Next for Linux 6.1

1. Drop of_gpio header
2. Remove the unneeded result

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220922234804.18557-1-chunkuang.hu@kernel.org
2 years agoMerge tag 'exynos-drm-next-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel...
Dave Airlie [Tue, 27 Sep 2022 18:23:00 +0000 (04:23 +1000)]
Merge tag 'exynos-drm-next-for-v6.1' of git://git./linux/kernel/git/daeinki/drm-exynos into drm-next

Cleanup
- Use drm_display_info.is_hdmi instead of drm_detect_hdmi_monitor()
  for efficiency.
Fixup
- Correct return type of mixer_mode_valid and hdmi_mode_valid functions.
  This was reported by Dan Carpenter, https://github.com/ClangBuiltLinux/linux/issues/1703

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Inki Dae <inki.dae@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220926020723.270065-1-inki.dae@samsung.com
2 years agodrm/exynos: Fix return type for mixer_mode_valid and hdmi_mode_valid
Nathan Huckleberry [Mon, 26 Sep 2022 00:31:00 +0000 (09:31 +0900)]
drm/exynos: Fix return type for mixer_mode_valid and hdmi_mode_valid

The field mode_valid in exynos_drm_crtc_ops is expected to be of type enum
drm_mode_status (*mode_valid)(struct exynos_drm_crtc *crtc,
                                   const struct drm_display_mode *mode);

Likewise for mode_valid in drm_connector_helper_funcs.

The mismatched return type breaks forward edge kCFI since the underlying
function definition does not match the function hook definition.

The return type of mixer_mode_valid and hdmi_mode_valid should be changed
from int to enum drm_mode_status.

Reported-by: Dan Carpenter <error27@gmail.com>
Link: https://protect2.fireeye.com/v1/url?k=3e644738-5fef521d-3e65cc77-
74fe485cbff6-36ad29bf912d3c9f&q=1&e=5cc06174-77dd-4abd-ab50-
155da5711aa3&u=https%3A%2F%2Fgithub.com%2FClangBuiltLinux%2Flinux%2Fissues%2F
1703
Cc: llvm@lists.linux.dev
Signed-off-by: Nathan Huckleberry <nhuck@google.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2 years agodrm/exynos: replace drm_detect_hdmi_monitor() with drm_display_info.is_hdmi
hongao [Thu, 16 Jun 2022 07:22:33 +0000 (15:22 +0800)]
drm/exynos: replace drm_detect_hdmi_monitor() with drm_display_info.is_hdmi

Once EDID is parsed, the monitor HDMI support information is available
through drm_display_info.is_hdmi.

This driver calls drm_detect_hdmi_monitor() to receive the same
information, which is less efficient.

Avoid calling drm_detect_hdmi_monitor() and use drm_display_info.is_hdmi
instead.

Signed-off-by: hongao <hongao@uniontech.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
2 years agodrm/amdgpu: Fix VRAM eviction issue
Arunpravin Paneer Selvam [Thu, 22 Sep 2022 15:14:47 +0000 (08:14 -0700)]
drm/amdgpu: Fix VRAM eviction issue

A user reported that when he starts a game (MTGA) with wine,
he observed an error msg failed to pin framebuffer with error -12.
Found an issue with the VRAM mem type eviction decision condition
logic. This patch will fix the if condition code error.

Gitlab bug link:
https://gitlab.freedesktop.org/drm/amd/-/issues/2159

Fixes: ded910f368a5 ("drm/amdgpu: Implement intersect/compatible functions")
Signed-off-by: Arunpravin Paneer Selvam <Arunpravin.PaneerSelvam@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220922151447.265696-1-Arunpravin.PaneerSelvam@amd.com
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
2 years agoMerge tag 'du-next-20220907' of git://linuxtv.org/pinchartl/media into drm-next
Dave Airlie [Thu, 22 Sep 2022 17:34:08 +0000 (03:34 +1000)]
Merge tag 'du-next-20220907' of git://linuxtv.org/pinchartl/media into drm-next

- Misc fixes and improvements to the R-Car DU driver
- Synopsys DW HDMI bridge DT bindings update

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YxkL+tRI8uXDCvj9@pendragon.ideasonboard.com
2 years agodrm/vmwgfx: Fix memory leak in vmw_mksstat_add_ioctl()
Rafael Mendonca [Fri, 16 Sep 2022 20:47:51 +0000 (17:47 -0300)]
drm/vmwgfx: Fix memory leak in vmw_mksstat_add_ioctl()

If the copy of the description string from userspace fails, then the page
for the instance descriptor doesn't get freed before returning -EFAULT,
which leads to a memleak.

Fixes: 7a7a933edd6c ("drm/vmwgfx: Introduce VMware mks-guest-stats")
Signed-off-by: Rafael Mendonca <rafaelmendsr@gmail.com>
Reviewed-by: Martin Krastev <krastevm@vmware.com>
Signed-off-by: Zack Rusin <zackr@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220916204751.720716-1-rafaelmendsr@gmail.com
2 years agoMerge tag 'amd-drm-next-6.1-2022-09-16' of https://gitlab.freedesktop.org/agd5f/linux...
Dave Airlie [Wed, 21 Sep 2022 07:49:38 +0000 (17:49 +1000)]
Merge tag 'amd-drm-next-6.1-2022-09-16' of https://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-6.1-2022-09-16:

amdgpu:
- PCI AER fixes
- BACO fix
- RAS fixes
- XGMI fixes
- Display SubVP fixes
- DCN 3.2 updates
- DCN 3.1.4 updates
- LLVM fixes
- CS cleanup in preparation for gang submit
- Add some new GC CG registers
- Misc cleanups

amdkfd:
- Fix CRIU regression
- CPU fault on COW mapping fixes
- Prefault fixes
- Misc cleanups

radeon:
- Misc cleanups

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220916153638.6501-1-alexander.deucher@amd.com
2 years agoMerge tag 'drm-intel-next-2022-09-16-1' of git://anongit.freedesktop.org/drm/drm...
Dave Airlie [Tue, 20 Sep 2022 21:46:54 +0000 (07:46 +1000)]
Merge tag 'drm-intel-next-2022-09-16-1' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

drm/i915 feature pull #2 for v6.1:

Features and functionality:
- More Meteorlake platform enabling (Radhakrishna, Imre, Madhumitha)
- Allow seamless M/N changes on eDP panels that support it (Ville)
- Switch DSC debugfs from output bpp to input bpc (Swati)

Refactoring and cleanups:
- Clocking and DPLL refactoring and cleanups to support seamless M/N (Ville)
- Plenty of VBT definition and parsing updates and cleanups (Ville)
- Extract SKL watermark code to a separate file, and clean up (Ville)
- Clean up IPC interfaces and debugfs (Jani)
- Continue moving display data under drm_i915_private display sub-struct (Jani)
- Display quirk handling refactoring and abstractions (Jani)
- Stop using implicit dev_priv in gmbus registers (Jani)
- BUG_ON() removals and conversions to drm_WARN_ON() and BUILD_BUG_ON() (Jani)
- Use drm_dp_phy_name() for logging (Jani)
- Use REG_BIT() macros for CDCLK registers (Stan)
- Move display and media IP versions to runtime info (Radhakrishna)

Fixes:
- Fix DP MST suspend to avoid use-after-free (Andrzej)
- Fix HPD suspend to avoid use-after-free for fbdev (Andrzej)
- Fix various PSR issues regarding selective update and damage clips (Jouni)
- Fix runtime pm wakerefs for driver remove and release (Mitul Golani)
- Fix conditions for filtering fixed modes for panels (Ville)
- Fix TV encoder clock computation (Ville)
- Fix dvo mode_valid hook return type (Nathan Huckleberry)

Merges:
- Backmerge drm-next to sync the DP MST atomic changes (Jani)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/87o7vfr064.fsf@intel.com
2 years agoMerge tag 'drm-intel-gt-next-2022-09-16' of git://anongit.freedesktop.org/drm/drm...
Dave Airlie [Tue, 20 Sep 2022 21:35:00 +0000 (07:35 +1000)]
Merge tag 'drm-intel-gt-next-2022-09-16' of git://anongit.freedesktop.org/drm/drm-intel into drm-next

Cross-subsystem Changes:

- MEI subsystem pieces for XeHP SDV GSC support
  These are Acked-by Greg.

Driver Changes:

- Release mmaps on RPM suspend on discrete GPUs (Anshuman)
- Update GuC version to 7.5 on DG1, DG2 and ADL
- Revert "drm/i915/dg2: extend Wa_1409120013 to DG2" (Lucas)
- MTL enabling incl. standalone media (Matt R, Lucas)
- Explicitly clear BB_OFFSET for new contexts on Gen8+ (Chris)
- Fix throttling / perf limit reason decoding (Ashutosh)
- XeHP SDV GSC support (Vitaly, Alexander, Tomas)

- Fix issues with overrding firmware file paths (John)
- Invert if-else ladders to check latest version first (Lucas)
- Cancel GuC engine busyness worker synchronously (Umesh)

- Skip applying copy engine fuses outside PVC (Lucas)
- Eliminate Gen10 frequency read function (Lucas)
- Static code checker fixes (Gaosheng)
- Selftest improvements (Chris)

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YyQ4Jgl3cpGL1/As@jlahtine-mobl.ger.corp.intel.com
2 years agodrm: bridge/dw-hdmi-ahb-audio: use strscpy() is more robust and safer
Minghao Chi [Mon, 19 Sep 2022 03:04:01 +0000 (03:04 +0000)]
drm: bridge/dw-hdmi-ahb-audio: use strscpy() is more robust and safer

The implementation of strscpy() is more robust and safer.

That's now the recommended way to copy NUL terminated strings.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220919030401.211331-1-chi.minghao@zte.com.cn
2 years agodrm/ast: Fix video broken in some resolutions on ast2600
Jammy Huang [Fri, 16 Sep 2022 09:17:06 +0000 (17:17 +0800)]
drm/ast: Fix video broken in some resolutions on ast2600

Some cases are not handled well for ast2600.

Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220916091706.4559-1-jammy_huang@aspeedtech.com
2 years agodrm/ast: Add resolution support for 1152x864@75
Jammy Huang [Fri, 16 Sep 2022 08:50:58 +0000 (16:50 +0800)]
drm/ast: Add resolution support for 1152x864@75

Add 1152x864 into support list.

Signed-off-by: Jammy Huang <jammy_huang@aspeedtech.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220916085058.3386-1-jammy_huang@aspeedtech.com
2 years agodrm/plane-helper: Provide DRM_PLANE_NON_ATOMIC_FUNCS initializer macro
Thomas Zimmermann [Fri, 9 Sep 2022 10:59:47 +0000 (12:59 +0200)]
drm/plane-helper: Provide DRM_PLANE_NON_ATOMIC_FUNCS initializer macro

Provide DRM_PLANE_NON_ATOMIC_FUNCS, which initializes plane functions
of non-atomic drivers to default values. The macro is not supposed to
be used in new code, but helps with documenting and finding existing
users.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Lyude Paul <lyude@redhat.com> # nouveau
Link: https://patchwork.freedesktop.org/patch/msgid/20220909105947.6487-5-tzimmermann@suse.de
2 years agodrm/plane-helper: Warn if atomic drivers call non-atomic helpers
Thomas Zimmermann [Fri, 9 Sep 2022 10:59:46 +0000 (12:59 +0200)]
drm/plane-helper: Warn if atomic drivers call non-atomic helpers

The plane update and disable helpers are only useful for non-atomic
drivers. Print a warning if an atomic driver calls them.

Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220909105947.6487-4-tzimmermann@suse.de
2 years agodrm/plane: Allocate planes with drm_universal_plane_alloc()
Thomas Zimmermann [Fri, 9 Sep 2022 10:59:45 +0000 (12:59 +0200)]
drm/plane: Allocate planes with drm_universal_plane_alloc()

Provide drm_univeral_plane_alloc() to allocate and initialize a
plane. Code for non-atomic drivers uses this pattern. Convert them to
the new function. The modeset helpers contain a quirk for handling their
color formats differently. Set the flag outside plane allocation.

The new function is already deprecated to some extend. Drivers should
rather use drmm_univeral_plane_alloc() or drm_universal_plane_init().

v2:
* kerneldoc fixes (Javier)
* grammar fixes in commit message

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com> # nouveau
Link: https://patchwork.freedesktop.org/patch/msgid/20220909105947.6487-3-tzimmermann@suse.de
2 years agodrm/plane: Remove drm_plane_init()
Thomas Zimmermann [Fri, 9 Sep 2022 10:59:44 +0000 (12:59 +0200)]
drm/plane: Remove drm_plane_init()

Open-code drm_plane_init() and remove the function from DRM. The
implementation of drm_plane_init() is a simple wrapper around a call
to drm_universal_plane_init(), so drivers can just use that instead.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Lyude Paul <lyude@redhat.com> # nouveau
Acked-by: Jyri Sarha <jyri.sarha@iki.fi>
Link: https://patchwork.freedesktop.org/patch/msgid/20220909105947.6487-2-tzimmermann@suse.de
2 years agodrm/atomic-helper: Fix kernel-doc
Jiapeng Chong [Mon, 19 Sep 2022 10:30:58 +0000 (18:30 +0800)]
drm/atomic-helper: Fix kernel-doc

drivers/gpu/drm/drm_atomic_helper.c:802: warning: expecting prototype for drm_atomic_helper_check_wb_connector_state(). Prototype was for drm_atomic_helper_check_wb_encoder_state() instead.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2216
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20220919103058.25561-1-jiapeng.chong@linux.alibaba.com
2 years agodma-buf: fix dma_fence_default_wait() signaling check
Christian König [Mon, 19 Sep 2022 12:00:33 +0000 (14:00 +0200)]
dma-buf: fix dma_fence_default_wait() signaling check

That check must now come after grabing the spinlock, not before.

Signed-off-by: Christian König <christian.koenig@amd.com>
Fixes: b96fb1e724ae ("dma-buf: dma_fence_wait must enable signaling")
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220919120618.113332-1-christian.koenig@amd.com
2 years agoRevert "drm/bridge: chrontel-ch7033: Add byteswap order setting"
Robert Foss [Mon, 19 Sep 2022 10:20:09 +0000 (12:20 +0200)]
Revert "drm/bridge: chrontel-ch7033: Add byteswap order setting"

Revert this patch since it depends on devicetree functionality that
previously has been reverted in the below commit.

commit e798ba3374a1 ("Revert "dt-bindings: Add byteswap order to chrontel ch7033"")

This reverts commit ce9564cfc9aea65e68eb343c599317633bc2321a.

Signed-off-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220919102009.150503-3-robert.foss@linaro.org
2 years agoRevert "Revert "drm/bridge: ti-sn65dsi86: Implement bridge connector operations for...
Robert Foss [Mon, 19 Sep 2022 10:20:08 +0000 (12:20 +0200)]
Revert "Revert "drm/bridge: ti-sn65dsi86: Implement bridge connector operations for DP""

This commit was accidentally reverted instead of another commit, and
therefore needs to be reinstated.

This reverts commit 8c9c40ec83445b188fb6b59e119bf5c2de81b02d.

Fixes: 8c9c40ec8344 ("Revert "drm/bridge: ti-sn65dsi86: Implement bridge connector operations for DP"")
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220919102009.150503-2-robert.foss@linaro.org
2 years agodrm/mediatek: dp: change mtk_dp_driver to static
Yang Yingliang [Tue, 13 Sep 2022 13:49:29 +0000 (21:49 +0800)]
drm/mediatek: dp: change mtk_dp_driver to static

mtk_dp_driver is only used in mtk_dp.c now, change it
to static.

Fixes: f70ac097a2cf ("drm/mediatek: Add MT8195 Embedded DisplayPort driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220913134929.1970187-1-yangyingliang@huawei.com
2 years agodrm/mediatek: dp: Fix compiler warning in mtk_dp_video_mute()
Bo-Chen Chen [Fri, 16 Sep 2022 13:38:21 +0000 (21:38 +0800)]
drm/mediatek: dp: Fix compiler warning in mtk_dp_video_mute()

Fix debug message formatting by using %s instead of 0x%x.

Fixes: f70ac097a2cf ("drm/mediatek: Add MT8195 Embedded DisplayPort driver")
Reported-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220916133821.27980-4-rex-bc.chen@mediatek.com
2 years agodrm/mediatek: dp: Remove unused register definitions
Bo-Chen Chen [Fri, 16 Sep 2022 13:38:20 +0000 (21:38 +0800)]
drm/mediatek: dp: Remove unused register definitions

Some definitions in mtk_dp_reg.h are not used, so remove these
redundant codes.

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220916133821.27980-3-rex-bc.chen@mediatek.com
2 years agodrm/mediatek: dp: Reduce indentation in mtk_dp_bdg_detect()
Bo-Chen Chen [Fri, 16 Sep 2022 13:38:19 +0000 (21:38 +0800)]
drm/mediatek: dp: Reduce indentation in mtk_dp_bdg_detect()

In order to improve human readability, reduce the indentation by
returning early if the dp/edp cable is not plugged in.

Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Acked-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220916133821.27980-2-rex-bc.chen@mediatek.com
2 years agodrm/gma500: Call acpi_video_register_backlight()
Hans de Goede [Sat, 17 Sep 2022 20:59:20 +0000 (22:59 +0200)]
drm/gma500: Call acpi_video_register_backlight()

On machines without an Intel video opregion the acpi_video driver
immediately probes the ACPI video bus and used to also immediately
register acpi_video# backlight devices when supported.

Once the drm/kms driver then loaded later and possibly registered
a native backlight device then the drivers/acpi/video_detect.c code
unregistered the acpi_video0 device to avoid there being 2 backlight
devices (when acpi_video_get_backlight_type()==native).

This means that userspace used to briefly see 2 devices and the
disappearing of acpi_video0 after a brief time confuses the systemd
backlight level save/restore code, see e.g.:
https://bbs.archlinux.org/viewtopic.php?id=269920

To fix this the ACPI video code has been modified to make backlight class
device registration a separate step, relying on the drm/kms driver to
ask for the acpi_video backlight registration after it is done setting up
its native backlight device.

Add a call to the new acpi_video_register_backlight() function after
setting up the gma500's native backlight, so that the acpi_video backlight
device gets registered on systems where the gma500's native backlight
device is not registered.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220917205920.647212-6-hdegoede@redhat.com
2 years agodrm/gma500: Don't register backlight when another backlight should be used
Hans de Goede [Sat, 17 Sep 2022 20:59:19 +0000 (22:59 +0200)]
drm/gma500: Don't register backlight when another backlight should be used

Before this commit when we want userspace to use the acpi_video backlight
device we register both the GPU's native backlight device and acpi_video's
firmware acpi_video# backlight device. This relies on userspace preferring
firmware type backlight devices over native ones.

Registering 2 backlight devices for a single display really is
undesirable, don't register the GPU's native backlight device when
another backlight device should be used.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220917205920.647212-5-hdegoede@redhat.com
2 years agodrm/gma500: Use backlight_get_brightness() to get the brightness
Hans de Goede [Sat, 17 Sep 2022 20:59:18 +0000 (22:59 +0200)]
drm/gma500: Use backlight_get_brightness() to get the brightness

Use backlight_get_brightness() instead of directly referencing
bd->props.brightness. This will take backlight_is_blank() into account,
properly setting brightness to 0 when screen-blanking has been requested
through the backlight sysfs interface.

Suggested-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220917205920.647212-4-hdegoede@redhat.com
2 years agodrm/gma500: Change registered backlight device type to raw/native
Hans de Goede [Sat, 17 Sep 2022 20:59:17 +0000 (22:59 +0200)]
drm/gma500: Change registered backlight device type to raw/native

Change the type for the registered backlight class device from platform
to raw/native.

The poulsbo/cedarview/oaktrail backlight support is using native GPU
backlight control and as such the type should be raw (aka native) as
is done by all the other native GPU backlight driver code.

Note this will not change much from userspace's point of view.
poulsbo/cedarview laptops typically offer both an ACPI-video
backlight interface as well as the native GPU backlight interface.

The /sys/class/backlight/acpi_video0 has a type of firmware and
userspace typically looks for firmware devices before looking
for platform devices. The typical standard lookup order is:
firmware -> platform -> raw

This means that both before and after this change typical userspace
backlight consumers (sich as e.g. GNOME) will prefer the firmware
acpi_video0 backlight device.

This has been tested on a Packard Bell Dot SC (Intel Atom N2600, cedarview)
and a Sony Vaio vpc-x11s1e (Intel N540, poulsbo) laptop.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220917205920.647212-3-hdegoede@redhat.com
2 years agodrm/gma500: Refactor backlight support (v2)
Hans de Goede [Sat, 17 Sep 2022 20:59:16 +0000 (22:59 +0200)]
drm/gma500: Refactor backlight support (v2)

Refactor backlight support so that the gma_backlight_enable() /
gma_backlight_disable() / gma_backlight_set() functions used by
the Opregion handle will also work if no backlight_device gets
registered.

This is a preparation patch for not registering the gma500's own backlight
device when acpi_video should be used, since registering 2 backlight
devices for a single display really is undesirable.

Since the acpi-video interface often uses the OpRegion we need to keep
the OpRegion functional even when dev_priv->backlight_device is NULL.

As a result of this refactor the actual backlight_device_register()
call is moved to the shared backlight.c code and all #ifdefs related to
CONFIG_BACKLIGHT_CLASS_DEVICE are now also limited to backlight.c .

No functional changes intended.

This has been tested on a Packard Bell Dot SC (Intel Atom N2600, cedarview)
and a Sony Vaio vpc-x11s1e (Intel N540, poulsbo) laptop.

Changes in v2:
- Fix unused variable warnings when CONFIG_BACKLIGHT is not selected by
  marking the 2 variables as  __maybe_unused.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220917205920.647212-2-hdegoede@redhat.com
2 years agodrm/msm/hdmi: make hdmi_phy_8996 OF clk provider
Dmitry Baryshkov [Mon, 4 Jul 2022 16:11:47 +0000 (19:11 +0300)]
drm/msm/hdmi: make hdmi_phy_8996 OF clk provider

On MSM8996 the HDMI PHY provides the PLL clock to the MMCC. As we are
preparing to convert the MSM8996 to use DT clocks properties (rather
than global clock names), register the OF clock provider.

While we are at it, also change the driver to use clk_parent_data rather
parent_names to setup a link to the XO clock.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/492318/
Link: https://lore.kernel.org/r/20220704161148.814510-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: phy: qcom, hdmi-phy-qmp: add clock-cells and XO clock
Dmitry Baryshkov [Mon, 4 Jul 2022 16:11:46 +0000 (19:11 +0300)]
dt-bindings: phy: qcom, hdmi-phy-qmp: add clock-cells and XO clock

As the QMP HDMI PHY is a clock provider, add constant #clock-cells
property. For the compatibility with older DTs the property is not
marked as required. Also add the XO clock to the list of the clocks used
by the driver.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Patchwork: https://patchwork.freedesktop.org/patch/492316/
Link: https://lore.kernel.org/r/20220704161148.814510-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: Remove use of device_node in dsi_host_parse_dt()
Nathan Chancellor [Mon, 29 Aug 2022 16:54:50 +0000 (09:54 -0700)]
drm/msm/dsi: Remove use of device_node in dsi_host_parse_dt()

Clang warns:

  drivers/gpu/drm/msm/dsi/dsi_host.c:1903:14: error: variable 'device_node' is uninitialized when used here [-Werror,-Wuninitialized]
          of_node_put(device_node);
                      ^~~~~~~~~~~
  drivers/gpu/drm/msm/dsi/dsi_host.c:1870:44: note: initialize the variable 'device_node' to silence this warning
          struct device_node *endpoint, *device_node;
                                                    ^
                                                    = NULL
  1 error generated.

device_node's assignment was removed but not all of its uses. Remove the
call to of_node_put() and the variable declaration to clean up the
warning.

Fixes: 36246dd50225 ("drm/msm/dsi: switch to DRM_PANEL_BRIDGE")
Link: https://github.com/ClangBuiltLinux/linux/issues/1700
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/500182/
Link: https://lore.kernel.org/r/20220829165450.217628-1-nathan@kernel.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: switch to DRM_PANEL_BRIDGE
Dmitry Baryshkov [Tue, 12 Jul 2022 13:22:58 +0000 (16:22 +0300)]
drm/msm/dsi: switch to DRM_PANEL_BRIDGE

Currently the DSI driver has two separate paths: one if the next device
in a chain is a bridge and another one if the panel is connected
directly to the DSI host. Simplify the code path by using panel-bridge
driver (already selected in Kconfig) and dropping support for
handling the panel directly.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/493608/
Link: https://lore.kernel.org/r/20220712132258.671263-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/panel: drop DSC pps pointer
Dmitry Baryshkov [Mon, 11 Jul 2022 09:43:19 +0000 (12:43 +0300)]
drm/panel: drop DSC pps pointer

Complete the move of DSC data pointer from struct drm_panel to struct
mipi_dsi_device.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/493309/
Link: https://lore.kernel.org/r/20220711094320.368062-4-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: fetch DSC pps payload from struct mipi_dsi_device
Dmitry Baryshkov [Mon, 11 Jul 2022 09:43:18 +0000 (12:43 +0300)]
drm/msm/dsi: fetch DSC pps payload from struct mipi_dsi_device

Now that struct mipi_dsi_device provides DSC data, fetch it from the
mentioned struct rather than from the struct drm_panel itself. This
would allow supporting MIPI DSI bridges handling DSC on their input
side.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/493307/
Link: https://lore.kernel.org/r/20220711094320.368062-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/mipi-dsi: pass DSC data through the struct mipi_dsi_device
Dmitry Baryshkov [Mon, 11 Jul 2022 09:43:17 +0000 (12:43 +0300)]
drm/mipi-dsi: pass DSC data through the struct mipi_dsi_device

The commit 0f40ba48de3b ("drm/msm/dsi: Pass DSC params to drm_panel")
added a pointer to the DSC data to the struct drm_panel. However DSC
support is not limited to the DSI panels. MIPI DSI bridges can also
consume DSC command streams. Thus add struct drm_dsc_config pointer to
the struct mipi_dsi_device.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/493306/
Link: https://lore.kernel.org/r/20220711094320.368062-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: Remove the unneeded result variable
ye xingchen [Fri, 26 Aug 2022 07:28:21 +0000 (07:28 +0000)]
drm/msm/dsi: Remove the unneeded result variable

Return the value msm_dsi_phy_enable() directly instead of storing it in
another redundant variable.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/499621/
Link: https://lore.kernel.org/r/20220826072821.253150-1-ye.xingchen@zte.com.cn
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: drop the hpd worker
Dmitry Baryshkov [Mon, 22 Aug 2022 17:44:17 +0000 (20:44 +0300)]
drm/msm/dsi: drop the hpd worker

It makes no sense to have the HPD worker in the MSM DSI driver anymore.
It is only queued from the dsi_host_attach/detach() callbacks, where
it plays no useful role. Either way the panel or next bridge will be
present and will report it's status directly.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/498740/
Link: https://lore.kernel.org/r/20220822174417.292926-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: Improve dsi_phy_driver_probe() probe error handling
Douglas Anderson [Thu, 4 Aug 2022 14:38:53 +0000 (07:38 -0700)]
drm/msm/dsi: Improve dsi_phy_driver_probe() probe error handling

The dsi_phy_driver_probe() function has a "goto fail" for no
reason. Change it to just always return directly when it sees an
error. Make this simpler by leveraging dev_err_probe() which is
designed to make code like this shorter / simpler.

NOTE: as part of this, we now pass through error codes directly from
msm_ioremap_size() rather than translating to -ENOMEM. This changed
mostly because it's much more convenient when using dev_err_probe()
and also it's usually encouraged not to hide error codes like the old
code was doing unless there is a good reason. I can't see any reason
why we'd need to return -ENOMEM instead of -EINVAL from the probe
function.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/496324/
Link: https://lore.kernel.org/r/20220804073608.v4.6.I969118a35934a0e5007fe4f80e3e28e9c0b7602a@changeid
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: Take advantage of devm_regulator_bulk_get_const()
Douglas Anderson [Thu, 4 Aug 2022 14:38:52 +0000 (07:38 -0700)]
drm/msm/dsi: Take advantage of devm_regulator_bulk_get_const()

As of the commit 1de452a0edda ("regulator: core: Allow drivers to
define their init data as const") we no longer need to do copying of
regulator bulk data from initdata to something dynamic. Let's take
advantage of that.

In addition to saving some code, this also moves us to using
ARRAY_SIZE() to specify how many regulators we have which is less
error prone.

This gets rid of some layers of wrappers which makes it obvious that
we can get rid of an extra error print.
devm_regulator_bulk_get_const() prints errors for you so you don't
need an extra layer of printing.

In all cases here I have preserved the old settings without any
investigation about whether the loads being set are sensible. In the
cases of some of the PHYs if several PHYs in the same file used
exactly the same settings I had them point to the same data structure.

NOTE: Though I haven't done the math, this is likely an overall
savings in terms of "static const" data. We previously always
allocated space for 8 supplies. Each of these supplies took up 36
bytes of data (32 for name, 4 for an int).

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/496325/
Link: https://lore.kernel.org/r/20220804073608.v4.5.I55a9e65cb1c22221316629e98768ff473f47a067@changeid
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: Use the new regulator bulk feature to specify the load
Douglas Anderson [Thu, 4 Aug 2022 14:38:51 +0000 (07:38 -0700)]
drm/msm/dsi: Use the new regulator bulk feature to specify the load

As of commit 6eabfc018e8d ("regulator: core: Allow specifying an
initial load w/ the bulk API") we can now specify the initial load in
the bulk data rather than having to manually call regulator_set_load()
on each regulator. Let's use it.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/496319/
Link: https://lore.kernel.org/r/20220804073608.v4.4.I7b3c72949883846badb073cfeae985c55239da1d@changeid
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: Don't set a load before disabling a regulator
Douglas Anderson [Thu, 4 Aug 2022 14:38:50 +0000 (07:38 -0700)]
drm/msm/dsi: Don't set a load before disabling a regulator

As of commit 5451781dadf8 ("regulator: core: Only count load for
enabled consumers"), a load isn't counted for a disabled
regulator. That means all the code in the DSI driver to specify and
set loads before disabling a regulator is not actually doing anything
useful. Let's remove it.

It should be noted that all of the loads set that were being specified
were pointless noise anyway. The only use for this number is to pick
between low power and high power modes of regulators. Regulators
appear to do this changeover at loads on the order of 10000 uA. You
would need a lot of clients of the same rail for that 100 uA number to
count for anything.

Note that now that we get rid of the setting of the load at disable
time, we can just set the load once when we first get the regulator
and then forget it.

It should also be noted that the regulator functions
regulator_bulk_enable() and regulator_set_load() already print error
messages when they encounter problems so while moving things around we
get rid of some extra error prints.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/496320/
Link: https://lore.kernel.org/r/20220804073608.v4.3.If1f94fbbdb7c1d0fb3961de61483a851ad1971a7@changeid
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi_phy_7nm: Replace parent names with clk_hw pointers
Marijn Suijten [Wed, 29 Jun 2022 22:53:31 +0000 (00:53 +0200)]
drm/msm/dsi_phy_7nm: Replace parent names with clk_hw pointers

parent_hw pointers are easier to manage and cheaper to use than
repeatedly formatting the parent name and subsequently leaving the clk
framework to perform lookups based on that name.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/491927/
Link: https://lore.kernel.org/r/20220629225331.357308-12-marijn.suijten@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi_phy_10nm: Replace parent names with clk_hw pointers
Marijn Suijten [Wed, 29 Jun 2022 22:53:30 +0000 (00:53 +0200)]
drm/msm/dsi_phy_10nm: Replace parent names with clk_hw pointers

parent_hw pointers are easier to manage and cheaper to use than
repeatedly formatting the parent name and subsequently leaving the clk
framework to perform lookups based on that name.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/491923/
Link: https://lore.kernel.org/r/20220629225331.357308-11-marijn.suijten@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi_phy_14nm: Replace parent names with clk_hw pointers
Marijn Suijten [Wed, 29 Jun 2022 22:53:29 +0000 (00:53 +0200)]
drm/msm/dsi_phy_14nm: Replace parent names with clk_hw pointers

parent_hw pointers are easier to manage and cheaper to use than
repeatedly formatting the parent name and subsequently leaving the clk
framework to perform lookups based on that name.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/491921/
Link: https://lore.kernel.org/r/20220629225331.357308-10-marijn.suijten@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi_phy_28nm: Replace parent names with clk_hw pointers
Marijn Suijten [Wed, 29 Jun 2022 22:53:28 +0000 (00:53 +0200)]
drm/msm/dsi_phy_28nm: Replace parent names with clk_hw pointers

parent_hw pointers are easier to manage and cheaper to use than
repeatedly formatting the parent name and subsequently leaving the clk
framework to perform lookups based on that name.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/491925/
Link: https://lore.kernel.org/r/20220629225331.357308-9-marijn.suijten@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi_phy_28nm_8960: Replace parent names with clk_hw pointers
Marijn Suijten [Wed, 29 Jun 2022 22:53:27 +0000 (00:53 +0200)]
drm/msm/dsi_phy_28nm_8960: Replace parent names with clk_hw pointers

parent_hw pointers are easier to manage and cheaper to use than
repeatedly formatting the parent name and subsequently leaving the clk
framework to perform lookups based on that name.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/491929/
Link: https://lore.kernel.org/r/20220629225331.357308-8-marijn.suijten@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi/phy: Replace hardcoded char-array length with sizeof()
Marijn Suijten [Wed, 29 Jun 2022 22:53:26 +0000 (00:53 +0200)]
drm/msm/dsi/phy: Replace hardcoded char-array length with sizeof()

Now that the last DSI PHY PLL driver (dsi_phy_28nm_8960) has been
converted to use a simple stack-local char-array instead of a
devm_kzalloc heap allocation we can safely call sizeof() on every string
variable (that's now a sized array instead of a pointer) passed into
snprintf instead of hardcoding the size.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/491920/
Link: https://lore.kernel.org/r/20220629225331.357308-7-marijn.suijten@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi_phy_28nm_8960: Use stack memory for temporary clock names
Marijn Suijten [Wed, 29 Jun 2022 22:53:25 +0000 (00:53 +0200)]
drm/msm/dsi_phy_28nm_8960: Use stack memory for temporary clock names

The clock names formatted into the hw_clk's init structure are only used
for the duration of the registration function where they are kstrdup'ed,
making it unnecessary to keep the allocations alive for the duration of
the device (through devm).

Just like the other DSI PHY PLL clock trees, use a stack-local char
array and save on memory outside of the pll_28nm_register function.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/491917/
Link: https://lore.kernel.org/r/20220629225331.357308-6-marijn.suijten@somainline.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi/phy: Reindent and reflow multiline function calls
Marijn Suijten [Wed, 29 Jun 2022 22:53:24 +0000 (00:53 +0200)]
drm/msm/dsi/phy: Reindent and reflow multiline function calls

The commit 613cbd1da3c9 ("drm/msm/dsi: use devm_clk_*register to registe
DSI PHY clocks") introduced the devm_ prefix to clk_hw registration
calls, without updating the indentation of the arguments on the
following lines.

Similarly commit e55b3fbbbbc8 ("drm/msm/dsi: drop PLL accessor
functions") moved from pll_write to dsi_phy_write without updating the
indentation of followup arguments either.

Preparing for a series that heavily touches the clk calls, reflow and
reindent function calls that are adhering to an 80-char column limit by
spanning multiple lines.  Where function names are very long the
arguments are indented with a fixed number of two tab characters instead
of aligning with the opening parenthesis of the function call.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/491931/
Link: https://lore.kernel.org/r/20220629225331.357308-5-marijn.suijten@somainline.org
[DB: adjusted commit message to make checkpatch happy]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dp: correct 1.62G link rate at dp_catalog_ctrl_config_msa()
Kuogee Hsieh [Wed, 24 Aug 2022 20:15:50 +0000 (13:15 -0700)]
drm/msm/dp: correct 1.62G link rate at dp_catalog_ctrl_config_msa()

At current implementation there is an extra 0 at 1.62G link rate which
cause no correct pixel_div selected for 1.62G link rate to calculate
mvid and nvid. This patch delete the extra 0 to have mvid and nvid be
calculated correctly.

Changes in v2:
-- fix Fixes tag's text

Changes in v3:
-- fix misspelling of "Reviewed-by"

Fixes: 937f941ca06f ("drm/msm/dp: Use qmp phy for DP PLL and PHY")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/499328/
Link: https://lore.kernel.org/r/1661372150-3764-1-git-send-email-quic_khsieh@quicinc.com
[DB: rewrapped commit message]
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dp: Silence inconsistent indent warning
Stephen Boyd [Tue, 23 Aug 2022 21:23:02 +0000 (14:23 -0700)]
drm/msm/dp: Silence inconsistent indent warning

Build robots complain

 smatch warnings:
 drivers/gpu/drm/msm/dp/dp_link.c:969 dp_link_process_link_status_update() warn: inconsistent indenting

Fix it along with a trailing space from the same commit.

Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Fixes: ea530388e64b ("drm/msm/dp: skip checking LINK_STATUS_UPDATED bit")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/498954/
Link: https://lore.kernel.org/r/20220823212302.1744145-1-swboyd@chromium.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: msm/dp: handle DP vs eDP difference
Dmitry Baryshkov [Mon, 22 Aug 2022 18:49:00 +0000 (21:49 +0300)]
dt-bindings: msm/dp: handle DP vs eDP difference

The #sound-dai-cells property should be used only for DP controllers. It
doesn't make sense for eDP, there is no support for audio output. The
aux-bus should not be used for DP controllers. Also p1 MMIO region
should be used only for DP controllers.

Take care of these differences.

Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/498751/
Link: https://lore.kernel.org/r/20220822184900.307160-4-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: msm/dp: add missing properties
Dmitry Baryshkov [Mon, 22 Aug 2022 18:48:59 +0000 (21:48 +0300)]
dt-bindings: msm/dp: add missing properties

Document missing definitions for opp-table (DP controller OPPs), aux-bus
(DP AUX BUS) and data-lanes (DP/eDP lanes mapping) properties.

Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/498750/
Link: https://lore.kernel.org/r/20220822184900.307160-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: msm/dp: mark vdda supplies as deprecated
Dmitry Baryshkov [Mon, 22 Aug 2022 18:48:58 +0000 (21:48 +0300)]
dt-bindings: msm/dp: mark vdda supplies as deprecated

The commit 85936d4f3815 ("phy: qcom-qmp: add regulator_set_load to dp
phy") moved setting regulator load to the DP PHY driver (QMP). Then, the
commit 7516351bebc1 ("drm/msm/dp: delete vdda regulator related
functions from eDP/DP controller") removed support for VDDA supplies
from the DP controller driver.
Mark these properties as deprecated and drop them from the example.

Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/498748/
Link: https://lore.kernel.org/r/20220822184900.307160-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dp: Get rid of dp_ctrl_on_stream_phy_test_report()
Stephen Boyd [Thu, 23 Jun 2022 00:25:40 +0000 (17:25 -0700)]
drm/msm/dp: Get rid of dp_ctrl_on_stream_phy_test_report()

This API isn't really more than a couple lines now that we don't store
the pixel_rate to the struct member. Inline it into the caller.

Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/490775/
Link: https://lore.kernel.org/r/20220623002540.871994-4-swboyd@chromium.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dp: Remove pixel_rate from struct dp_ctrl
Stephen Boyd [Thu, 23 Jun 2022 00:25:39 +0000 (17:25 -0700)]
drm/msm/dp: Remove pixel_rate from struct dp_ctrl

This struct member is stored to in the function that calls the function
which uses it. That's possible with a function argument instead of
storing to a struct member. Pass the pixel_rate as an argument instead
to simplify the code. Note that dp_ctrl_link_maintenance() was storing
the pixel_rate but never using it so we just remove the assignment from
there.

Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/490772/
Link: https://lore.kernel.org/r/20220623002540.871994-3-swboyd@chromium.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dp: Reorganize code to avoid forward declaration
Stephen Boyd [Thu, 23 Jun 2022 00:25:38 +0000 (17:25 -0700)]
drm/msm/dp: Reorganize code to avoid forward declaration

Let's move these functions around to avoid having to forward declare
dp_ctrl_on_stream_phy_test_report(). Also remove
dp_ctrl_reinitialize_mainlink() forward declaration because we're doing
that sort of task.

Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/490771/
Link: https://lore.kernel.org/r/20220623002540.871994-2-swboyd@chromium.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: get rid of cached flush_mask
Dmitry Baryshkov [Wed, 9 Feb 2022 17:25:03 +0000 (20:25 +0300)]
drm/msm/dpu: get rid of cached flush_mask

Instead of querying the CTL for the flush mask (for SSPP, LM or DSPP),
storing the mask in the mixer configuration and then pushing the mask to
the CTL, tell CTL to cache the flush in place.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/473159/
Link: https://lore.kernel.org/r/20220209172520.3719906-9-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: inline dpu_plane_get_ctl_flush
Dmitry Baryshkov [Wed, 9 Feb 2022 17:25:01 +0000 (20:25 +0300)]
drm/msm/dpu: inline dpu_plane_get_ctl_flush

There is no need to keep a separate function for calling into the ctl if
we already know all the details. Inline this function in the dpu_crtc.c

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/473152/
Link: https://lore.kernel.org/r/20220209172520.3719906-7-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: do not limit the zpos property
Dmitry Baryshkov [Wed, 9 Feb 2022 17:24:57 +0000 (20:24 +0300)]
drm/msm/dpu: do not limit the zpos property

Stop limiting zpos property values, we use normalized_zpos anyway. And
nothing stops userspace from assigning several planes to a single zpos
(it is a userspace bug, but the kernel is forgiving about it).

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/473147/
Link: https://lore.kernel.org/r/20220209172520.3719906-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: rip out master planes support
Dmitry Baryshkov [Wed, 9 Feb 2022 17:24:56 +0000 (20:24 +0300)]
drm/msm/dpu: rip out master planes support

Master/virtual planes were used for multirect support. In preparation to
reworking DPU planes, drop support for master planes (which was not used
anyway).

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/473146/
Link: https://lore.kernel.org/r/20220209172520.3719906-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: drop unused variable from dpu_kms_mdp_snapshot()
Dmitry Baryshkov [Mon, 22 Aug 2022 17:22:04 +0000 (20:22 +0300)]
drm/msm/dpu: drop unused variable from dpu_kms_mdp_snapshot()

Follow up the merge of address fields and drop the variable that became
unused after the commit 9403f9a42c88 ("drm/msm/dpu: merge base_off with
blk_off in struct dpu_hw_blk_reg_map").

Fixes: 9403f9a42c88 ("drm/msm/dpu: merge base_off with blk_off in struct dpu_hw_blk_reg_map")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/498736/
Link: https://lore.kernel.org/r/20220822172204.281045-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm: Make .remove and .shutdown HW shutdown consistent
Javier Martinez Canillas [Tue, 16 Aug 2022 13:46:12 +0000 (15:46 +0200)]
drm/msm: Make .remove and .shutdown HW shutdown consistent

Drivers' .remove and .shutdown callbacks are executed on different code
paths. The former is called when a device is removed from the bus, while
the latter is called at system shutdown time to quiesce the device.

This means that some overlap exists between the two, because both have to
take care of properly shutting down the hardware. But currently the logic
used in these two callbacks isn't consistent in msm drivers, which could
lead to kernel panic.

For example, on .remove the component is deleted and its .unbind callback
leads to the hardware being shutdown but only if the DRM device has been
marked as registered.

That check doesn't exist in the .shutdown logic and this can lead to the
driver calling drm_atomic_helper_shutdown() for a DRM device that hasn't
been properly initialized.

A situation like this can happen if drivers for expected sub-devices fail
to probe, since the .bind callback will never be executed. If that is the
case, drm_atomic_helper_shutdown() will attempt to take mutexes that are
only initialized if drm_mode_config_init() is called during a device bind.

This bug was attempted to be fixed in commit 623f279c7781 ("drm/msm: fix
shutdown hook in case GPU components failed to bind"), but unfortunately
it still happens in some cases as the one mentioned above, i.e:

  systemd-shutdown[1]: Powering off.
  kvm: exiting hardware virtualization
  platform wifi-firmware.0: Removing from iommu group 12
  platform video-firmware.0: Removing from iommu group 10
  ------------[ cut here ]------------
  WARNING: CPU: 6 PID: 1 at drivers/gpu/drm/drm_modeset_lock.c:317 drm_modeset_lock_all_ctx+0x3c4/0x3d0
  ...
  Hardware name: Google CoachZ (rev3+) (DT)
  pstate: a0400009 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
  pc : drm_modeset_lock_all_ctx+0x3c4/0x3d0
  lr : drm_modeset_lock_all_ctx+0x48/0x3d0
  sp : ffff80000805bb80
  x29: ffff80000805bb80 x28: ffff327c00128000 x27: 0000000000000000
  x26: 0000000000000000 x25: 0000000000000001 x24: ffffc95d820ec030
  x23: ffff327c00bbd090 x22: ffffc95d8215eca0 x21: ffff327c039c5800
  x20: ffff327c039c5988 x19: ffff80000805bbe8 x18: 0000000000000034
  x17: 000000040044ffff x16: ffffc95d80cac920 x15: 0000000000000000
  x14: 0000000000000315 x13: 0000000000000315 x12: 0000000000000000
  x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
  x8 : ffff80000805bc28 x7 : 0000000000000000 x6 : 0000000000000000
  x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
  x2 : ffff327c00128000 x1 : 0000000000000000 x0 : ffff327c039c59b0
  Call trace:
   drm_modeset_lock_all_ctx+0x3c4/0x3d0
   drm_atomic_helper_shutdown+0x70/0x134
   msm_drv_shutdown+0x30/0x40
   platform_shutdown+0x28/0x40
   device_shutdown+0x148/0x350
   kernel_power_off+0x38/0x80
   __do_sys_reboot+0x288/0x2c0
   __arm64_sys_reboot+0x28/0x34
   invoke_syscall+0x48/0x114
   el0_svc_common.constprop.0+0x44/0xec
   do_el0_svc+0x2c/0xc0
   el0_svc+0x2c/0x84
   el0t_64_sync_handler+0x11c/0x150
   el0t_64_sync+0x18c/0x190
  ---[ end trace 0000000000000000 ]---
  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000018
  Mem abort info:
    ESR = 0x0000000096000004
    EC = 0x25: DABT (current EL), IL = 32 bits
    SET = 0, FnV = 0
    EA = 0, S1PTW = 0
    FSC = 0x04: level 0 translation fault
  Data abort info:
    ISV = 0, ISS = 0x00000004
    CM = 0, WnR = 0
  user pgtable: 4k pages, 48-bit VAs, pgdp=000000010eab1000
  [0000000000000018] pgd=0000000000000000, p4d=0000000000000000
  Internal error: Oops: 96000004 [#1] PREEMPT SMP
  ...
  Hardware name: Google CoachZ (rev3+) (DT)
  pstate: a0400009 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
  pc : ww_mutex_lock+0x28/0x32c
  lr : drm_modeset_lock_all_ctx+0x1b0/0x3d0
  sp : ffff80000805bb50
  x29: ffff80000805bb50 x28: ffff327c00128000 x27: 0000000000000000
  x26: 0000000000000000 x25: 0000000000000001 x24: 0000000000000018
  x23: ffff80000805bc10 x22: ffff327c039c5ad8 x21: ffff327c039c5800
  x20: ffff80000805bbe8 x19: 0000000000000018 x18: 0000000000000034
  x17: 000000040044ffff x16: ffffc95d80cac920 x15: 0000000000000000
  x14: 0000000000000315 x13: 0000000000000315 x12: 0000000000000000
  x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
  x8 : ffff80000805bc28 x7 : 0000000000000000 x6 : 0000000000000000
  x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
  x2 : ffff327c00128000 x1 : 0000000000000000 x0 : 0000000000000018
  Call trace:
   ww_mutex_lock+0x28/0x32c
   drm_modeset_lock_all_ctx+0x1b0/0x3d0
   drm_atomic_helper_shutdown+0x70/0x134
   msm_drv_shutdown+0x30/0x40
   platform_shutdown+0x28/0x40
   device_shutdown+0x148/0x350
   kernel_power_off+0x38/0x80
   __do_sys_reboot+0x288/0x2c0
   __arm64_sys_reboot+0x28/0x34
   invoke_syscall+0x48/0x114
   el0_svc_common.constprop.0+0x44/0xec
   do_el0_svc+0x2c/0xc0
   el0_svc+0x2c/0x84
   el0t_64_sync_handler+0x11c/0x150
   el0t_64_sync+0x18c/0x190
  Code: aa0103f4 d503201f d2800001 aa0103e3 (c8e37c02)
  ---[ end trace 0000000000000000 ]---
  Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
  Kernel Offset: 0x495d77c00000 from 0xffff800008000000
  PHYS_OFFSET: 0xffffcd8500000000
  CPU features: 0x800,00c2a015,19801c82
  Memory Limit: none
  ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b ]---

Fixes: 9d5cbf5fe46e ("drm/msm: add shutdown support for display platform_driver")
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/497842/
Link: https://lore.kernel.org/r/20220816134612.916527-1-javierm@redhat.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: Fix comment typo
Jason Wang [Sun, 24 Jul 2022 20:42:42 +0000 (04:42 +0800)]
drm/msm/dpu: Fix comment typo

The double `be' is duplicated in the comment, remove one.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support")
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/497853/
Link: https://lore.kernel.org/r/20220724204242.4107-1-wangborong@cdjrlc.com
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: drop unused memory allocation
Dmitry Baryshkov [Mon, 22 Aug 2022 17:24:55 +0000 (20:24 +0300)]
drm/msm/dpu: drop unused memory allocation

Drop the dpu_cfg variable and corresponding kzalloc, which became unused
after changing hw catalog to static configuration.

Fixes: de7d480f5e8c ("drm/msm/dpu: make dpu hardware catalog static const")
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/498738/
Link: https://lore.kernel.org/r/20220822172455.282923-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: drop VBIF indices
Dmitry Baryshkov [Wed, 15 Jun 2022 12:57:03 +0000 (15:57 +0300)]
drm/msm/dpu: drop VBIF indices

We do not expect to have other VBIFs. Drop VBIF_n indices and always use
VBIF_RT and VBIF_NRT.

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/489571/
Link: https://lore.kernel.org/r/20220615125703.24647-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: fix error handling around dpu_hw_vbif_init
Dmitry Baryshkov [Wed, 15 Jun 2022 12:57:02 +0000 (15:57 +0300)]
drm/msm/dpu: fix error handling around dpu_hw_vbif_init

Using IS_ERR_OR_NULL() together with PTR_ERR() is a typical mistake. If
the value is NULL, then the function will return 0 instead of a proper
return code. Moreover dpu_hw_vbif_init() function can not return NULL.
So, replace corresponding IS_ERR_OR_NULL() call with IS_ERR().

Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/489570/
Link: https://lore.kernel.org/r/20220615125703.24647-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: index dpu_kms->hw_vbif using vbif_idx
Dmitry Baryshkov [Wed, 15 Jun 2022 12:57:01 +0000 (15:57 +0300)]
drm/msm/dpu: index dpu_kms->hw_vbif using vbif_idx

Remove loops over hw_vbif. Instead always VBIF's idx as an index in the
array. This fixes an error in dpu_kms_hw_init(), where we fill
dpu_kms->hw_vbif[i], but check for an error pointer at
dpu_kms->hw_vbif[vbif_idx].

Fixes: 25fdd5933e4c ("drm/msm: Add SDM845 DPU support")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/489569/
Link: https://lore.kernel.org/r/20220615125703.24647-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm: lookup the ICC paths in both mdp5/dpu and mdss devices
Dmitry Baryshkov [Fri, 5 Aug 2022 11:56:30 +0000 (14:56 +0300)]
drm/msm: lookup the ICC paths in both mdp5/dpu and mdss devices

The commit 6874f48bb8b0 ("drm/msm: make mdp5/dpu devices master
components") changed the MDP5 driver to look for the interconnect paths
in the MDSS device rather than in the MDP5 device itself. This was left
unnoticed since on my testing devices the interconnects probably didn't
reach the sync state.

Rather than just using the MDP5 device for ICC path lookups for the MDP5
devices, introduce an additional helper to check both MDP5/DPU and MDSS
nodes. This will be helpful for the MDP5->DPU conversion, since the
driver will have to check both nodes.

Fixes: 6874f48bb8b0 ("drm/msm: make mdp5/dpu devices master components")
Reported-by: Marijn Suijten <marijn.suijten@somainline.org>
Reported-by: Yassine Oudjana <y.oudjana@protonmail.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Marijn Suijten <marijn.suijten@somainline.org> # On sdm630
Tested-by: Yassine Oudjana <y.oudjana@protonmail.com> # msm8996
Patchwork: https://patchwork.freedesktop.org/patch/496488/
Link: https://lore.kernel.org/r/20220805115630.506391-1-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: display/msm: dpu-sdm845: add missing DPU opp-table
Krzysztof Kozlowski [Wed, 17 Aug 2022 06:20:59 +0000 (09:20 +0300)]
dt-bindings: display/msm: dpu-sdm845: add missing DPU opp-table

The 'display-controller' child (DPU) of Display SubSystem (MDSS) uses
opp-table, so reference it which allows restricting DPU schema to fixed
list of properties.

Fixes: 3d7a0dd8f39b ("dt-bindings: msm: disp: add yaml schemas for DPU bindings")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/499212/
Link: https://lore.kernel.org/r/20220817062059.18640-6-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: display/msm: dpu-sc7280: add missing DPU opp-table
Krzysztof Kozlowski [Wed, 17 Aug 2022 06:20:58 +0000 (09:20 +0300)]
dt-bindings: display/msm: dpu-sc7280: add missing DPU opp-table

The 'display-controller' child (DPU) of Display SubSystem (MDSS) uses
opp-table, so reference it which allows restricting DPU schema to fixed
list of properties.

Fixes: 57fd4f34ddac ("dt-bindings: msm: add DT bindings for sc7280")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/497898/
Link: https://lore.kernel.org/r/20220817062059.18640-5-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: display/msm: dpu-sc7180: add missing DPU opp-table
Krzysztof Kozlowski [Wed, 17 Aug 2022 06:20:57 +0000 (09:20 +0300)]
dt-bindings: display/msm: dpu-sc7180: add missing DPU opp-table

The 'display-controller' child (DPU) of Display SubSystem (MDSS) uses
opp-table, so reference it which allows restricting DPU schema to fixed
list of properties.

Fixes: 3d7a0dd8f39b ("dt-bindings: msm: disp: add yaml schemas for DPU bindings")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/497894/
Link: https://lore.kernel.org/r/20220817062059.18640-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: display/msm: dpu-qcm2290: add missing DPU opp-table
Krzysztof Kozlowski [Wed, 17 Aug 2022 06:20:56 +0000 (09:20 +0300)]
dt-bindings: display/msm: dpu-qcm2290: add missing DPU opp-table

The 'display-controller' child (DPU) of Display SubSystem (MDSS) uses
opp-table, so reference it which allows restricting DPU schema to fixed
list of properties.

Fixes: 164f69d9d45a ("dt-bindings: msm: disp: add yaml schemas for QCM2290 DPU bindings")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/497893/
Link: https://lore.kernel.org/r/20220817062059.18640-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: display/msm: dpu-msm8998: add missing DPU opp-table
Krzysztof Kozlowski [Wed, 17 Aug 2022 06:20:55 +0000 (09:20 +0300)]
dt-bindings: display/msm: dpu-msm8998: add missing DPU opp-table

The 'display-controller' child (DPU) of Display SubSystem (MDSS) uses
opp-table, so reference it which allows restricting DPU schema to fixed
list of properties.

Fixes: 6e986a8f1cf1 ("dt-bindings: display: msm: Add binding for msm8998 dpu")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/497896/
Link: https://lore.kernel.org/r/20220817062059.18640-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: display/msm/mdp4: require 4 IOMMUs
Dmitry Baryshkov [Wed, 6 Jul 2022 14:52:22 +0000 (17:52 +0300)]
dt-bindings: display/msm/mdp4: require 4 IOMMUs

APQ8064, the only supported mdp4 platform, uses 4 IOMMUs for the MDP4
device. Update schema accordingly. When we have other MDP4 platforms,
this spec can be updated accordingly.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/492541/
Link: https://lore.kernel.org/r/20220706145222.1565238-5-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: display/msm/gmu: account for different GMU variants
Dmitry Baryshkov [Wed, 6 Jul 2022 14:52:21 +0000 (17:52 +0300)]
dt-bindings: display/msm/gmu: account for different GMU variants

Make display/msm/gmu.yaml describe all existing GMU variants rather than
just the 630.2 (SDM845) version of it.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/492539/
Link: https://lore.kernel.org/r/20220706145222.1565238-4-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodt-bindings: display/msm/gpu: allow specifying several IOMMU nodes
Dmitry Baryshkov [Wed, 6 Jul 2022 14:52:19 +0000 (17:52 +0300)]
dt-bindings: display/msm/gpu: allow specifying several IOMMU nodes

Different platforms require different amounts of IOMMUs. The APQ8064
uses 64 IOMMU instances for GPU, adjust the schema accordingly.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/492536/
Link: https://lore.kernel.org/r/20220706145222.1565238-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: use drm_dsc_config instead of msm_display_dsc_config
Dmitry Baryshkov [Mon, 11 Jul 2022 10:04:32 +0000 (13:04 +0300)]
drm/msm/dsi: use drm_dsc_config instead of msm_display_dsc_config

There is no need to use the struct msm_display_dsc_config wrapper inside
the dsi driver, use the struct drm_dsc_config directly to pass pps data.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Patchwork: https://patchwork.freedesktop.org/patch/493341/
Link: https://lore.kernel.org/r/20220711100432.455268-3-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: use drm_dsc_config instead of msm_display_dsc_config
Dmitry Baryshkov [Mon, 11 Jul 2022 10:04:31 +0000 (13:04 +0300)]
drm/msm/dpu: use drm_dsc_config instead of msm_display_dsc_config

There is no need to use the struct msm_display_dsc_config wrapper inside
the dpu driver, use the struct drm_dsc_config directly to pass pps data.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Patchwork: https://patchwork.freedesktop.org/patch/493340/
Link: https://lore.kernel.org/r/20220711100432.455268-2-dmitry.baryshkov@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/rd: Fix FIFO-full deadlock
Rob Clark [Sun, 7 Aug 2022 16:09:01 +0000 (09:09 -0700)]
drm/msm/rd: Fix FIFO-full deadlock

If the previous thing cat'ing $debugfs/rd left the FIFO full, then
subsequent open could deadlock in rd_write() (because open is blocked,
not giving a chance for read() to consume any data in the FIFO).  Also
it is generally a good idea to clear out old data from the FIFO.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/496706/
Link: https://lore.kernel.org/r/20220807160901.2353471-2-robdclark@gmail.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/gpu: Drop qos request if devm_devfreq_add_device() fails
Bjorn Andersson [Fri, 8 Jul 2022 16:26:32 +0000 (09:26 -0700)]
drm/msm/gpu: Drop qos request if devm_devfreq_add_device() fails

In the event that devm_devfreq_add_device() fails the device's qos freq
list is left referencing df->idle_freq and df->boost_freq. Attempting to
initialize devfreq again after a probe deferral will then cause invalid
memory accesses in dev_pm_qos_add_request().

Fix this by dropping the requests in the error path.

Fixes: 7c0ffcd40b16 ("drm/msm/gpu: Respect PM QoS constraints")
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/493001/
Link: https://lore.kernel.org/r/20220708162632.3529864-1-bjorn.andersson@linaro.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: Fix number of regulators for SDM660
Douglas Anderson [Thu, 4 Aug 2022 14:38:49 +0000 (07:38 -0700)]
drm/msm/dsi: Fix number of regulators for SDM660

1 regulator is listed but the number 2 is specified. This presumably
means we try to get a regulator with no name. Fix it.

Fixes: 462f7017a691 ("drm/msm/dsi: Fix DSI and DSI PHY regulator config from SDM660")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/496323/
Link: https://lore.kernel.org/r/20220804073608.v4.2.I94b3c3e412b7c208061349f05659e126483171b1@changeid
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: Fix number of regulators for msm8996_dsi_cfg
Douglas Anderson [Thu, 4 Aug 2022 14:38:48 +0000 (07:38 -0700)]
drm/msm/dsi: Fix number of regulators for msm8996_dsi_cfg

3 regulators are listed but the number 2 is specified. Fix it.

Fixes: 3a3ff88a0fc1 ("drm/msm/dsi: Add 8x96 info in dsi_cfg")
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/496318/
Link: https://lore.kernel.org/r/20220804073608.v4.1.I1056ee3f77f71287f333279efe4c85f88d403f65@changeid
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dp: delete DP_RECOVERED_CLOCK_OUT_EN to fix tps4
Kuogee Hsieh [Thu, 11 Aug 2022 22:57:50 +0000 (15:57 -0700)]
drm/msm/dp: delete DP_RECOVERED_CLOCK_OUT_EN to fix tps4

Data Symbols scrambled is required for tps4 at link training 2.
Therefore SCRAMBLING_DISABLE bit should not be set for tps4 to
work.

RECOVERED_CLOCK_OUT_EN is for enable simple EYE test for jitter
measurement with minimal equipment for embedded applications purpose
and is not required to be set during normal operation. Current
implementation always have RECOVERED_CLOCK_OUT_EN bit set which
cause SCRAMBLING_DISABLE bit wrongly set at tps4 which prevent
tps4 from working.

This patch delete setting RECOVERED_CLOCK_OUT_EN to fix
SCRAMBLING_DISABLE be wrongly set at tps4.

Changes in v2:
-- fix Fixes tag

Changes in v3:
-- revise commit text

Changes in v4:
-- fix commit text newline

Changes in v5:
-- fix commit text line over 75 chars

Fixes: c943b4948b58 ("drm/msm/dp: add displayPort driver support")
Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/497194/
Link: https://lore.kernel.org/r/1660258670-4200-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dpu: populate wb or intf before reset_intf_cfg
Abhinav Kumar [Fri, 15 Jul 2022 19:14:28 +0000 (12:14 -0700)]
drm/msm/dpu: populate wb or intf before reset_intf_cfg

dpu_encoder_helper_phys_cleanup() was not populating neither
wb or intf to the intf_cfg before calling the reset_intf_cfg().

This causes the reset of the active bits of wb/intf to be
skipped which is incorrect.

Fix this by populating the relevant wb or intf indices correctly.

Fixes: ae4d721ce100 ("drm/msm/dpu: add an API to reset the encoder related hw blocks")
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Jessica Zhang <quic_jesszhan@quicinc.com>
Tested-by: Jessica Zhang <quic_jesszhan@quicinc.com> # Trogdor (SC8170)
Patchwork: https://patchwork.freedesktop.org/patch/494298/
Link: https://lore.kernel.org/r/1657912468-17254-1-git-send-email-quic_abhinavk@quicinc.com
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dsi: fix the inconsistent indenting
sunliming [Tue, 19 Jul 2022 01:56:22 +0000 (09:56 +0800)]
drm/msm/dsi: fix the inconsistent indenting

Fix the inconsistent indenting in function msm_dsi_dphy_timing_calc_v3().

Fix the following smatch warnings:

drivers/gpu/drm/msm/dsi/phy/dsi_phy.c:350 msm_dsi_dphy_timing_calc_v3() warn: inconsistent indenting

Fixes: f1fa7ff44056 ("drm/msm/dsi: implement auto PHY timing calculator for 10nm PHY")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: sunliming <sunliming@kylinos.cn>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/494662/
Link: https://lore.kernel.org/r/20220719015622.646718-1-sunliming@kylinos.cn
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm/msm/dp: make eDP panel as the first connected connector
Kuogee Hsieh [Wed, 6 Jul 2022 19:32:08 +0000 (12:32 -0700)]
drm/msm/dp: make eDP panel as the first connected connector

Some userspace presumes that the first connected connector is the main
display, where it's supposed to display e.g. the login screen. For
laptops, this should be the main panel.

This patch call drm_helper_move_panel_connectors_to_head() after
drm_bridge_connector_init() to make sure eDP stay at head of
connected connector list. This fixes unexpected corruption happen
at eDP panel if eDP is not placed at head of connected connector
list.

Changes in v2:
-- move drm_helper_move_panel_connectors_to_head() to
dpu_kms_drm_obj_init()

Changes in v4:
-- move drm_helper_move_panel_connectors_to_head() to msm_drm_init()

Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Fixes: ef7837ff091c ("drm/msm/dp: Add DP controllers for sc7280")
Patchwork: https://patchwork.freedesktop.org/patch/492581/
Link: https://lore.kernel.org/r/1657135928-31195-1-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
2 years agodrm: panel-orientation-quirks: Add quirk for Aya Neo Air
Maya Matuszczyk [Thu, 25 Aug 2022 19:19:47 +0000 (21:19 +0200)]
drm: panel-orientation-quirks: Add quirk for Aya Neo Air

Yet another x86 gaming handheld.

This one has many SKUs with quite a few of DMI strings,
so let's just use a catchall, just as with Aya Neo Next.

Signed-off-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220825191946.1678798-1-maccraft123mc@gmail.com
2 years agodrm/gma500: Remove unnecessary suspend/resume wrappers
Hans de Goede [Fri, 9 Sep 2022 11:56:46 +0000 (13:56 +0200)]
drm/gma500: Remove unnecessary suspend/resume wrappers

The psb_runtime_suspend/resume/thaw/freeze/restore functions are all
just 1:1 wrappers around gma_power_suspend/_resume.

Drop these wrappers and use the DEFINE_RUNTIME_DEV_PM_OPS() macro to
define the dev_pm_ops struct.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220909115646.99920-7-hdegoede@redhat.com
2 years agodrm/gma500: Rewrite power management code
Hans de Goede [Fri, 9 Sep 2022 11:56:45 +0000 (13:56 +0200)]
drm/gma500: Rewrite power management code

Rewrite the power.c code. For some reason this was doing locking +
refcounting + state (suspended or not) bookkeeping all by itself.

But there is no reason for this, this is all taken care of by
the runtime-pm core, through pm_runtime_get()/_put().

Besides this not being necessary the DIY code is also quite weird/
buggy in some places. E.g. power_begin() would manually do a resume
when not resumed already and force_on=true, followed by a
pm_runtime_get(), which will cause a call to gma_power_resume() to
get scheduled which would redo the entire resume again. Which can
all be replaced by a single pm_runtime_get_sync() call.

Note that this is just a cleanup, this does not actually fix
the (disabled through #if 0) runtime-pm support. It does now call
pm_runtime_enable(), but only after doing a pm_runtime_get() at
probe-time, so the device is never runtime suspended.

Doing this permanent get() + enable() instead of not calling
enable() at all is necessary for the pm_runtime_get_if_in_use() call
in gma_power_begin() to work properly.

Note this also removes the gma_power_is_on() call a check like this
without actually holding a reference is always racy, so it is a bad
idea (and therefor has no pm_runtime_foo() equivalent).

The 2 code paths which were using gma_power_is_on() are actually both
guaranteed to only run when the device is powered-on so the 2 checks
can simply be dropped.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220909115646.99920-6-hdegoede@redhat.com
2 years agodrm/gma500: Remove a couple of not useful function wrappers
Hans de Goede [Fri, 9 Sep 2022 11:56:44 +0000 (13:56 +0200)]
drm/gma500: Remove a couple of not useful function wrappers

The gma_crtc_set_config() and psb_unlocked_ioctl() functions are 1:1
wrappers for drm_helpers. Drop these wrappers.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220909115646.99920-5-hdegoede@redhat.com
2 years agodrm/gma500: Remove never set dev_priv->rpm_enabled flag
Hans de Goede [Fri, 9 Sep 2022 11:56:43 +0000 (13:56 +0200)]
drm/gma500: Remove never set dev_priv->rpm_enabled flag

The rpm_enabled flag is never set, remove it.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220909115646.99920-4-hdegoede@redhat.com
2 years agodrm/gma500: Remove runtime_allowed dead code in psb_unlocked_ioctl()
Hans de Goede [Fri, 9 Sep 2022 11:56:42 +0000 (13:56 +0200)]
drm/gma500: Remove runtime_allowed dead code in psb_unlocked_ioctl()

runtime_allowed is initialized to 0, so the runtime_allowed == 1 condition
is never true making this dead code. Remove it.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220909115646.99920-3-hdegoede@redhat.com
2 years agodrm/gma500: Fix (vblank) IRQs not working after suspend/resume
Hans de Goede [Tue, 6 Sep 2022 20:38:52 +0000 (22:38 +0200)]
drm/gma500: Fix (vblank) IRQs not working after suspend/resume

Fix gnome-shell (and other page-flip users) hanging after suspend/resume
because of the gma500's IRQs not working.

This fixes 2 problems with the IRQ handling:

1. gma_power_off() calls gma_irq_uninstall() which does a free_irq(), but
   gma_power_on() called gma_irq_preinstall() + gma_irq_postinstall() which
   do not call request_irq. Replace the pre- + post-install calls with
   gma_irq_install() which does prep + request + post.

2. After fixing 1. IRQs still do not work on a Packard Bell Dot SC (Intel
   Atom N2600, cedarview) netbook.

   Cederview uses MSI interrupts and it seems that the BIOS re-configures
   things back to normal APIC based interrupts during S3 suspend. There is
   some MSI PCI-config registers save/restore code which tries to deal with
   this, but on the Packard Bell Dot SC this is not sufficient to restore
   MSI IRQ functionality after a suspend/resume.

   Replace the PCI-config registers save/restore with pci_disable_msi() on
   suspend + pci_enable_msi() on resume. Fixing e.g. gnome-shell hanging.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220906203852.527663-4-hdegoede@redhat.com
(cherry picked from commit 235fdbc32d559db21e580f85035c59372704f09e)

2 years agodrm/vboxvideo: fix repeated words in comments
Jilin Yuan [Wed, 24 Aug 2022 13:02:26 +0000 (21:02 +0800)]
drm/vboxvideo: fix repeated words in comments

Delete the redundant word 'the'.

Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220824130226.33980-1-yuanjilin@cdjrlc.com
2 years agodrm: panel-orientation-quirks: Add quirk for Anbernic Win600
Maya Matuszczyk [Wed, 3 Aug 2022 18:24:03 +0000 (20:24 +0200)]
drm: panel-orientation-quirks: Add quirk for Anbernic Win600

This device is another x86 gaming handheld, and as (hopefully) there is
only one set of DMI IDs it's using DMI_EXACT_MATCH

Signed-off-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220803182402.1217293-1-maccraft123mc@gmail.com