diff options
| author | Camille Cho <Camille.Cho@amd.com> | 2019-11-15 17:28:48 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-12-18 16:09:08 -0500 |
| commit | a9ec3fe455f0a95f8993ccaa63d1da5c34f68ba8 (patch) | |
| tree | e5ac1b8defd4052d2678ade0ad735131cfe22bcf /drivers/gpu/drm/amd/display | |
| parent | 6026be696193db16006058d8d67fedb7c7e6832d (diff) | |
drm/amd/display: Add definition for number of backlight data points
[Why]
A hardcoded number is used today
[How]
Add definition for number of BL data points
Signed-off-by: Camille Cho <Camille.Cho@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dm_services_types.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dm_services_types.h b/drivers/gpu/drm/amd/display/dc/dm_services_types.h index a3d1be20dd9d..b52ba6ffabe1 100644 --- a/drivers/gpu/drm/amd/display/dc/dm_services_types.h +++ b/drivers/gpu/drm/amd/display/dc/dm_services_types.h @@ -220,6 +220,7 @@ struct dm_bl_data_point { }; /* Total size of the structure should not exceed 256 bytes */ +#define BL_DATA_POINTS 99 struct dm_acpi_atif_backlight_caps { uint16_t size; /* Bytes 0-1 (2 bytes) */ uint16_t flags; /* Byted 2-3 (2 bytes) */ @@ -229,7 +230,7 @@ struct dm_acpi_atif_backlight_caps { uint8_t min_input_signal; /* Byte 7 */ uint8_t max_input_signal; /* Byte 8 */ uint8_t num_data_points; /* Byte 9 */ - struct dm_bl_data_point data_points[99]; /* Bytes 10-207 (198 bytes)*/ + struct dm_bl_data_point data_points[BL_DATA_POINTS]; /* Bytes 10-207 (198 bytes)*/ }; enum dm_acpi_display_type { |