From: Vinod Govindapillai Date: Sun, 1 Oct 2023 11:31:54 +0000 (+0300) Subject: drm/i915/xe2lpd: update the dsc feature capability X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=6d181a288e64f606e501f6f04f382edfbe4b1cd8;p=linux.git drm/i915/xe2lpd: update the dsc feature capability Update the global dsc flag based on the display capabilities reported. v1: define the field values instead of the magic number (JaniN) Bspec: 71161 Signed-off-by: Vinod Govindapillai Reviewed-by: Jouni Högander Link: https://patchwork.freedesktop.org/patch/msgid/20231001113155.80659-3-vinod.govindapillai@intel.com Signed-off-by: Jouni Högander --- diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index 9f0266318a413..c38c5191afa41 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -1072,6 +1072,14 @@ static void __intel_display_device_info_runtime_init(struct drm_i915_private *i9 display_runtime->has_dsc = 0; } + if (DISPLAY_VER(i915) >= 20) { + u32 cap = intel_de_read(i915, XE2LPD_DE_CAP); + + if (REG_FIELD_GET(XE2LPD_DE_CAP_DSC_MASK, cap) == + XE2LPD_DE_CAP_DSC_REMOVED) + display_runtime->has_dsc = 0; + } + return; display_fused_off: