From: Josip Pavic Josip.Pavic@amd.com
commit 467a51b69d0828887fb1b6719159a6b16da688f8 upstream.
[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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1724,6 +1724,7 @@ 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;