drm/amd/display: add driver-specific property for plane degamma LUT

Hook up driver-specific atomic operations for managing AMD color
properties. Create AMD driver-specific color management properties
and attach them according to HW capabilities defined by `struct
dc_color_caps`.

First add plane degamma LUT properties that means user-blob and its
size. We will add more plane color properties in the next patches. In
addition, we define AMD_PRIVATE_COLOR to guard these driver-specific
plane properties.

Plane degamma can be used to linearize input space for arithmetical
operations that are more accurate when applied in linear color.

v2:
- update degamma LUT prop description
- move private color operations from amdgpu_display to amdgpu_dm_color

v5:
- get degamma blob correctly (Joshua)

Reviewed-by: Harry Wentland <[email protected]>
Co-developed-by: Joshua Ashton <[email protected]>
Signed-off-by: Joshua Ashton <[email protected]>
Signed-off-by: Melissa Wen <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 8e6fe9860cd6..80346bebb7fc 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -4067,6 +4067,11 @@ static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
 		return r;
 	}
 
+#ifdef AMD_PRIVATE_COLOR
+	if (amdgpu_dm_create_color_properties(adev))
+		return -ENOMEM;
+#endif
+
 	r = amdgpu_dm_audio_init(adev);
 	if (r) {
 		dc_release_state(state->context);