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 <[email protected]> --- drivers/gpu/drm/i915/display/intel_display_device.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index a6a18eae7ae8..2c891fe4d74b 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -1065,6 +1065,14 @@ void intel_display_device_info_runtime_init(struct drm_i915_private *i915) 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: -- 2.34.1
