aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2025-07-21 11:57:43 +1000
committerDave Airlie <airlied@redhat.com>2025-07-21 11:57:43 +1000
commitacab5fbd77a55dc7913632a354b969ae9090e78c (patch)
tree0d178d5fb40d30c719928155a9ce285bbbb5cc64 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
parentMerge tag 'drm-misc-next-2025-07-17' of https://gitlab.freedesktop.org/drm/mi... (diff)
parentdrm/amdgpu: move reset support type checks into the caller (diff)
downloadlinux-acab5fbd77a55dc7913632a354b969ae9090e78c.tar.gz
linux-acab5fbd77a55dc7913632a354b969ae9090e78c.zip
Merge tag 'amd-drm-next-6.17-2025-07-17' of https://gitlab.freedesktop.org/agd5f/linux into drm-next
amd-drm-next-6.17-2025-07-17: amdgpu: - Partition fixes - Reset fixes - RAS fixes - i2c fix - MPC updates - DSC cleanup - EDID fixes - Display idle D3 update - IPS updates - DMUB updates - Retimer fix - Replay fixes - Fix DC memory leak - Initial support for smartmux - DCN 4.0.1 degamma LUT fix - Per queue reset cleanups - Track ring state associated with a fence - SR-IOV fixes - SMU fixes - Per queue reset improvements for GC 9+ compute - Per queue reset improvements for GC 10+ gfx - Per queue reset improvements for SDMA 5+ - Per queue reset improvements for JPEG 2+ - Per queue reset improvements for VCN 2+ - GC 8 fix - ISP updates amdkfd: - Enable KFD on LoongArch radeon: - Drop console lock during suspend/resume UAPI: - Add userq slot info to INFO IOCTL Used for IGT userq validation tests (https://lists.freedesktop.org/archives/igt-dev/2025-July/093228.html) From: Alex Deucher <alexander.deucher@amd.com> Link: https://lore.kernel.org/r/20250717213827.2061581-1-alexander.deucher@amd.com Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c')
-rw-r--r--drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
index 87058271b00c..2551823382f8 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
@@ -728,7 +728,16 @@ int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
* support programmable degamma anywhere.
*/
is_dcn = dm->adev->dm.dc->caps.color.dpp.dcn_arch;
- drm_crtc_enable_color_mgmt(&acrtc->base, is_dcn ? MAX_COLOR_LUT_ENTRIES : 0,
+ /* Dont't enable DRM CRTC degamma property for DCN401 since the
+ * pre-blending degamma LUT doesn't apply to cursor, and therefore
+ * can't work similar to a post-blending degamma LUT as in other hw
+ * versions.
+ * TODO: revisit it once KMS plane color API is merged.
+ */
+ drm_crtc_enable_color_mgmt(&acrtc->base,
+ (is_dcn &&
+ dm->adev->dm.dc->ctx->dce_version != DCN_VERSION_4_01) ?
+ MAX_COLOR_LUT_ENTRIES : 0,
true, MAX_COLOR_LUT_ENTRIES);
drm_mode_crtc_set_gamma_size(&acrtc->base, MAX_COLOR_LEGACY_LUT_ENTRIES);