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authorTakashi Iwai <tiwai@suse.de>2022-12-22 11:11:48 +0300
committerTakashi Iwai <tiwai@suse.de>2022-12-22 11:11:48 +0300
commit2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b (patch)
treef711bc9cab45f4963e4883ef15ff4c54a6cbc12e /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crtc.c
parentb47068b4aa53a57552398e3f60d0ed1918700c2b (diff)
parentee0b089d660021792e4ab4dda191b097ce1e964f (diff)
downloadlinux-2d78eb0342dd2c9c5cde9ae9ada1d33f189a858b.tar.xz
Merge branch 'for-next' into for-linus
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.c10
1 files changed, 8 insertions, 2 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 594fe8a4d02b..64dd02970292 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
@@ -412,7 +412,7 @@ int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
{
struct amdgpu_crtc *acrtc = NULL;
struct drm_plane *cursor_plane;
-
+ bool is_dcn;
int res = -ENOMEM;
cursor_plane = kzalloc(sizeof(*cursor_plane), GFP_KERNEL);
@@ -450,8 +450,14 @@ int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
acrtc->otg_inst = -1;
dm->adev->mode_info.crtcs[crtc_index] = acrtc;
- drm_crtc_enable_color_mgmt(&acrtc->base, MAX_COLOR_LUT_ENTRIES,
+
+ /* Don't enable DRM CRTC degamma property for DCE since it doesn't
+ * 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,
true, MAX_COLOR_LUT_ENTRIES);
+
drm_mode_crtc_set_gamma_size(&acrtc->base, MAX_COLOR_LEGACY_LUT_ENTRIES);
return 0;