From: Harry Wentland Date: Sat, 15 Nov 2025 00:01:59 +0000 (-0700) Subject: drm/amd/display: Add support for BT.709 and BT.2020 TFs X-Git-Url: https://gentwo.org/gitweb/?a=commitdiff_plain;h=ec891d8bffa8e364854ab3a9943d7070d53e4c56;p=linux%2F.git drm/amd/display: Add support for BT.709 and BT.2020 TFs This adds support for the BT.709/BT.2020 transfer functions on all current 1D curve plane colorops, i.e., on DEGAM, SHAPER, and BLND blocks. With this change the following IGT subtests pass: kms_colorop --run plane-XR30-XR30-bt2020_inv_oetf kms_colorop --run plane-XR30-XR30-bt2020_oetf Signed-off-by: Alex Hung Signed-off-by: Harry Wentland Reviewed-by: Daniel Stone Signed-off-by: Simon Ser Link: https://patch.msgid.link/20251115000237.3561250-35-alex.hung@amd.com --- diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c index 30665db34dfd..0ad3d818189e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c @@ -678,6 +678,9 @@ amdgpu_colorop_tf_to_dc_tf(enum drm_colorop_curve_1d_type tf) case DRM_COLOROP_1D_CURVE_PQ_125_EOTF: case DRM_COLOROP_1D_CURVE_PQ_125_INV_EOTF: return TRANSFER_FUNCTION_PQ; + case DRM_COLOROP_1D_CURVE_BT2020_INV_OETF: + case DRM_COLOROP_1D_CURVE_BT2020_OETF: + return TRANSFER_FUNCTION_BT709; default: return TRANSFER_FUNCTION_LINEAR; } diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c index cee7129550f1..e72261a8beb9 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c @@ -33,15 +33,18 @@ const u64 amdgpu_dm_supported_degam_tfs = BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF) | - BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF); + BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF) | + BIT(DRM_COLOROP_1D_CURVE_BT2020_INV_OETF); const u64 amdgpu_dm_supported_shaper_tfs = BIT(DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF) | - BIT(DRM_COLOROP_1D_CURVE_PQ_125_INV_EOTF); + BIT(DRM_COLOROP_1D_CURVE_PQ_125_INV_EOTF) | + BIT(DRM_COLOROP_1D_CURVE_BT2020_OETF); const u64 amdgpu_dm_supported_blnd_tfs = BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF) | - BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF); + BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF) | + BIT(DRM_COLOROP_1D_CURVE_BT2020_INV_OETF); #define MAX_COLOR_PIPELINE_OPS 10