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drm/amd/display: Add definition for number of backlight data points

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[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>
This commit is contained in:
Camille Cho 2019-11-15 17:28:48 +08:00 committed by Alex Deucher
parent 6026be6961
commit a9ec3fe455
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/dm_services_types.h
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@ -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 {