From a9ec3fe455f0a95f8993ccaa63d1da5c34f68ba8 Mon Sep 17 00:00:00 2001 From: Camille Cho Date: Fri, 15 Nov 2019 17:28:48 +0800 Subject: [PATCH] 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 Reviewed-by: Anthony Koo Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dm_services_types.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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 { -- 2.45.2