[PATCH 08/39] drm/amd/display: Add definition for number of backlight data points

[Rodrigo Siqueira]

From: Camille Cho <Camille.Cho at amd.com>

[Why]
A hardcoded number is used today

[How]
Add definition for number of BL data points

Signed-off-by: Camille Cho <Camille.Cho at amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo at amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira at amd.com>
---
 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 {
-- 
2.24.0