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Date: Mon, 31 Aug 2020 11:29:30 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Brandon Syu <Brandon.Syu@....com>, Josip Pavic <Josip.Pavic@....com>, Eryk Brol <eryk.brol@....com>, Alex Deucher <alexander.deucher@....com>, Sasha Levin <sashal@...nel.org>, amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org Subject: [PATCH AUTOSEL 5.8 38/42] drm/amd/display: Keep current gain when ABM disable immediately From: Brandon Syu <Brandon.Syu@....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@....com> Reviewed-by: Josip Pavic <Josip.Pavic@....com> Acked-by: Eryk Brol <eryk.brol@....com> Signed-off-by: Alex Deucher <alexander.deucher@....com> Signed-off-by: Sasha Levin <sashal@...nel.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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