From: Brandon Syu Brandon.Syu@amd.com
[ Upstream commit cba4b52e431e5de3d8012281cfe194f1c39a9052 ]
[Why] When system enters s3/s0i3, backlight PWM would set user level.
[How] ABM disable function add keep current gain to avoid it.
Signed-off-by: Brandon Syu Brandon.Syu@amd.com Reviewed-by: Josip Pavic Josip.Pavic@amd.com Acked-by: Eryk Brol eryk.brol@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/dc/dc_stream.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h index 49aad691e687e..ccac2315a903a 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_stream.h +++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h @@ -222,7 +222,7 @@ struct dc_stream_state { union stream_update_flags update_flags; };
-#define ABM_LEVEL_IMMEDIATE_DISABLE 0xFFFFFFFF +#define ABM_LEVEL_IMMEDIATE_DISABLE 255
struct dc_stream_update { struct dc_stream_state *stream;