drm/amd/display: initialize backlight_ramping_override to false
authorJosip Pavic <Josip.Pavic@amd.com>
Fri, 17 Sep 2021 15:01:47 +0000 (11:01 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Tue, 28 Sep 2021 18:39:40 +0000 (14:39 -0400)
[Why]
Stack variable params.backlight_ramping_override is uninitialized, so it
contains junk data

[How]
Initialize the variable to false

Reviewed-by: Roman Li <Roman.Li@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Josip Pavic <Josip.Pavic@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

index 66c799f..e6a6833 100644 (file)
@@ -1719,6 +1719,7 @@ static int dm_late_init(void *handle)
                linear_lut[i] = 0xFFFF * i / 15;
 
        params.set = 0;
+       params.backlight_ramping_override = false;
        params.backlight_ramping_start = 0xCCCC;
        params.backlight_ramping_reduction = 0xCCCCCCCC;
        params.backlight_lut_array_size = 16;