On 11/03/2026 18:18, Alex Hung wrote:
Use GAMMA22 for degamma/blend and GAMMA22_INV for shaper so
curves match the color pipeline.
Oh, thanks for this fix!
I had a hard time figuring out that the problem I was facing in the
userspace was that I was trying setting an incorrect value, because
I hadn't paid attention to how it was exposed in the kernel. Unf!
Reviewed-by: Melissa Wen <[email protected]>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/5016
Tested-by: Xaver Hugl <[email protected]>
Signed-off-by: Alex Hung <[email protected]>
---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
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 d59ba82d3d7c..aa4658867e55 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
@@ -37,19 +37,19 @@ 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_BT2020_INV_OETF) |
- BIT(DRM_COLOROP_1D_CURVE_GAMMA22_INV);
+ BIT(DRM_COLOROP_1D_CURVE_GAMMA22);
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_BT2020_OETF) |
- BIT(DRM_COLOROP_1D_CURVE_GAMMA22);
+ BIT(DRM_COLOROP_1D_CURVE_GAMMA22_INV);
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_BT2020_INV_OETF) |
- BIT(DRM_COLOROP_1D_CURVE_GAMMA22_INV);
+ BIT(DRM_COLOROP_1D_CURVE_GAMMA22);
#define MAX_COLOR_PIPELINE_OPS 10
