diff options
| author | Mario Limonciello <mario.limonciello@amd.com> | 2025-02-28 12:51:42 -0600 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2025-03-05 10:42:42 -0500 |
| commit | f729e63743f0fbd504a1464e9495c456f63ff7ef (patch) | |
| tree | bbbdd6370a50d041f898f20a23f5096afdf600f5 /drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | |
| parent | 1c79b5fcdf1a29525dbb6e8243d0e63c0e9a5000 (diff) | |
| download | linux-f729e63743f0fbd504a1464e9495c456f63ff7ef.tar.gz linux-f729e63743f0fbd504a1464e9495c456f63ff7ef.tar.bz2 linux-f729e63743f0fbd504a1464e9495c456f63ff7ef.zip | |
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/amdgpu/amdgpu_acpi.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c index 515c6f32448d..b7f8f2ff143d 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_acpi.c @@ -394,6 +394,10 @@ static int amdgpu_atif_query_backlight_caps(struct amdgpu_atif *atif) characteristics.max_input_signal; atif->backlight_caps.ac_level = characteristics.ac_level; atif->backlight_caps.dc_level = characteristics.dc_level; + atif->backlight_caps.data_points = characteristics.number_of_points; + memcpy(atif->backlight_caps.luminance_data, + characteristics.data_points, + sizeof(atif->backlight_caps.luminance_data)); out: kfree(info); return err; |