Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.8 034/186] drm/amd/display: Keep current gain when ABM disable immediately | Date | Tue, 8 Sep 2020 17:22:56 +0200 |
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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; -- 2.25.1
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