diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2025-02-28 21:51:42 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-03-05 18:42:42 +0300 |
| commit | f729e63743f0fbd504a1464e9495c456f63ff7ef (patch) | |
| tree | bbbdd6370a50d041f898f20a23f5096afdf600f5 /drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | |
| parent | 1c79b5fcdf1a29525dbb6e8243d0e63c0e9a5000 (diff) | |
| download | linux-f729e63743f0fbd504a1464e9495c456f63ff7ef.tar.xz | |
drm/amd: Pass luminance data to amdgpu_dm_backlight_caps
The ATIF method on some systems will provide a backlight curve. Pass
this curve into amdgpu_dm add it to the structures.
Reviewed-by: Alex Hung <alex.hung@amd.com>
Link: https://lore.kernel.org/r/20250228185145.186319-3-mario.limonciello@amd.com
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h index f3bc00e587ad..85b64c457ed6 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h @@ -151,6 +151,18 @@ struct idle_workqueue { bool running; }; +#define MAX_LUMINANCE_DATA_POINTS 99 + +/** + * struct amdgpu_dm_luminance_data - Custom luminance data + * @luminance: Luminance in percent + * @input_signal: Input signal in range 0-255 + */ +struct amdgpu_dm_luminance_data { + u8 luminance; + u8 input_signal; +} __packed; + /** * struct amdgpu_dm_backlight_caps - Information about backlight * @@ -195,6 +207,14 @@ struct amdgpu_dm_backlight_caps { * @dc_level: the default brightness if booted on DC */ u8 dc_level; + /** + * @data_points: the number of custom luminance data points + */ + u8 data_points; + /** + * @luminance_data: custom luminance data + */ + struct amdgpu_dm_luminance_data luminance_data[MAX_LUMINANCE_DATA_POINTS]; }; /** |