From: Animesh Manna Date: Mon, 20 Jun 2022 06:51:38 +0000 (+0530) Subject: drm/i915/bios: calculate panel type as per child device index in VBT X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6434cf630086eea2d091f122f5802582a05d9d1c;p=linux.git drm/i915/bios: calculate panel type as per child device index in VBT Each LFP may have different panel type which is stored in LFP data data block. Based on the child device index respective panel-type/ panel-type2 field will be used. v1: Initial rfc verion. v2: Based on review comments from Jani, - Used panel-type instead addition panel-index variable. - DEVICE_HANDLE_* name changed and placed before DEVICE_TYPE_* macro. v3: - passing intel_bios_encoder_data as argument of intel_bios_init_panel(). Passing NULL to indicate encoder is not initialized yet for dsi as current focus is to enable dual EDP. [Jani] v4: - encoder->devdata used which is initialized before from vbt structure. [Jani] Signed-off-by: Animesh Manna Reviewed-by: Jani Nikula Acked-by: Ville Syrjälä Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/20220620065138.5126-1-animesh.manna@intel.com --- diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index 996bd3fdda6bd..712e371a2bf75 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -2049,7 +2049,7 @@ void icl_dsi_init(struct drm_i915_private *dev_priv) /* attach connector to encoder */ intel_connector_attach_encoder(intel_connector, encoder); - intel_bios_init_panel(dev_priv, &intel_connector->panel, NULL); + intel_bios_init_panel(dev_priv, &intel_connector->panel, NULL, NULL); mutex_lock(&dev->mode_config.mutex); intel_panel_add_vbt_lfp_fixed_mode(intel_connector); diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index 82eef3b1ca879..e89bc1d665f46 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -603,12 +603,14 @@ get_lfp_data_tail(const struct bdb_lvds_lfp_data *data, } static int opregion_get_panel_type(struct drm_i915_private *i915, + const struct intel_bios_encoder_data *devdata, const struct edid *edid) { return intel_opregion_get_panel_type(i915); } static int vbt_get_panel_type(struct drm_i915_private *i915, + const struct intel_bios_encoder_data *devdata, const struct edid *edid) { const struct bdb_lvds_options *lvds_options; @@ -624,10 +626,16 @@ static int vbt_get_panel_type(struct drm_i915_private *i915, return -1; } + if (devdata && devdata->child.handle == DEVICE_HANDLE_LFP2) + return lvds_options->panel_type2; + + drm_WARN_ON(&i915->drm, devdata && devdata->child.handle != DEVICE_HANDLE_LFP1); + return lvds_options->panel_type; } static int pnpid_get_panel_type(struct drm_i915_private *i915, + const struct intel_bios_encoder_data *devdata, const struct edid *edid) { const struct bdb_lvds_lfp_data *data; @@ -674,6 +682,7 @@ static int pnpid_get_panel_type(struct drm_i915_private *i915, } static int fallback_get_panel_type(struct drm_i915_private *i915, + const struct intel_bios_encoder_data *devdata, const struct edid *edid) { return 0; @@ -687,11 +696,13 @@ enum panel_type { }; static int get_panel_type(struct drm_i915_private *i915, + const struct intel_bios_encoder_data *devdata, const struct edid *edid) { struct { const char *name; int (*get_panel_type)(struct drm_i915_private *i915, + const struct intel_bios_encoder_data *devdata, const struct edid *edid); int panel_type; } panel_types[] = { @@ -715,7 +726,7 @@ static int get_panel_type(struct drm_i915_private *i915, int i; for (i = 0; i < ARRAY_SIZE(panel_types); i++) { - panel_types[i].panel_type = panel_types[i].get_panel_type(i915, edid); + panel_types[i].panel_type = panel_types[i].get_panel_type(i915, devdata, edid); drm_WARN_ON(&i915->drm, panel_types[i].panel_type > 0xf && panel_types[i].panel_type != 0xff); @@ -3126,11 +3137,12 @@ out: void intel_bios_init_panel(struct drm_i915_private *i915, struct intel_panel *panel, + const struct intel_bios_encoder_data *devdata, const struct edid *edid) { init_vbt_panel_defaults(panel); - panel->vbt.panel_type = get_panel_type(i915, edid); + panel->vbt.panel_type = get_panel_type(i915, devdata, edid); parse_panel_options(i915, panel); parse_generic_dtd(i915, panel); diff --git a/drivers/gpu/drm/i915/display/intel_bios.h b/drivers/gpu/drm/i915/display/intel_bios.h index b112200ae0a0b..e47582b0de0a1 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.h +++ b/drivers/gpu/drm/i915/display/intel_bios.h @@ -234,6 +234,7 @@ struct mipi_pps_data { void intel_bios_init(struct drm_i915_private *dev_priv); void intel_bios_init_panel(struct drm_i915_private *dev_priv, struct intel_panel *panel, + const struct intel_bios_encoder_data *devdata, const struct edid *edid); void intel_bios_fini_panel(struct intel_panel *panel); void intel_bios_driver_remove(struct drm_i915_private *dev_priv); diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 94ffbd7d807a4..728a44263b5f1 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -5193,6 +5193,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, struct drm_device *dev = &dev_priv->drm; struct drm_connector *connector = &intel_connector->base; struct drm_display_mode *fixed_mode; + struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base; bool has_dpcd; enum pipe pipe = INVALID_PIPE; struct edid *edid; @@ -5250,7 +5251,7 @@ static bool intel_edp_init_connector(struct intel_dp *intel_dp, intel_connector->edid = edid; intel_bios_init_panel(dev_priv, &intel_connector->panel, - IS_ERR(edid) ? NULL : edid); + encoder->devdata, IS_ERR(edid) ? NULL : edid); intel_panel_add_edid_fixed_modes(intel_connector, intel_connector->panel.vbt.drrs_type != DRRS_TYPE_NONE, diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c index e55802b454613..730480ac3300d 100644 --- a/drivers/gpu/drm/i915/display/intel_lvds.c +++ b/drivers/gpu/drm/i915/display/intel_lvds.c @@ -967,7 +967,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv) } intel_connector->edid = edid; - intel_bios_init_panel(dev_priv, &intel_connector->panel, + intel_bios_init_panel(dev_priv, &intel_connector->panel, NULL, IS_ERR(edid) ? NULL : edid); /* Try EDID first */ diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index 81f700517e894..30c752d02d7c2 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -2900,7 +2900,7 @@ intel_sdvo_lvds_init(struct intel_sdvo *intel_sdvo, int device) if (!intel_sdvo_create_enhance_property(intel_sdvo, intel_sdvo_connector)) goto err; - intel_bios_init_panel(i915, &intel_connector->panel, NULL); + intel_bios_init_panel(i915, &intel_connector->panel, NULL, NULL); /* * Fetch modes from VBT. For SDVO prefer the VBT mode since some diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 3766c09bd65d9..509b0a419c20a 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -182,6 +182,10 @@ struct bdb_general_features { #define GPIO_PIN_ADD_DDC 0x04 /* "ADDCARD DDC GPIO pins" */ #define GPIO_PIN_ADD_DDC_I2C 0x06 /* "ADDCARD DDC/I2C GPIO pins" */ +/* Device handle */ +#define DEVICE_HANDLE_LFP1 0x0008 +#define DEVICE_HANDLE_LFP2 0x0080 + /* Pre 915 */ #define DEVICE_TYPE_NONE 0x00 #define DEVICE_TYPE_CRT 0x01 diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index abda0888c8d41..b9b1fed998740 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -1926,7 +1926,7 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv) intel_dsi->panel_power_off_time = ktime_get_boottime(); - intel_bios_init_panel(dev_priv, &intel_connector->panel, NULL); + intel_bios_init_panel(dev_priv, &intel_connector->panel, NULL, NULL); if (intel_connector->panel.vbt.dsi.config->dual_link) intel_dsi->ports = BIT(PORT_A) | BIT(PORT_C);