From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>, Eryk Brol <eryk.brol@amd.com>,
amd-gfx@lists.freedesktop.org, Brandon Syu <Brandon.Syu@amd.com>,
dri-devel@lists.freedesktop.org,
Alex Deucher <alexander.deucher@amd.com>,
Josip Pavic <Josip.Pavic@amd.com>
Subject: [PATCH AUTOSEL 5.8 38/42] drm/amd/display: Keep current gain when ABM disable immediately
Date: Mon, 31 Aug 2020 11:29:30 -0400 [thread overview]
Message-ID: <20200831152934.1023912-38-sashal@kernel.org> (raw)
In-Reply-To: <20200831152934.1023912-1-sashal@kernel.org>
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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next prev parent reply other threads:[~2020-08-31 15:30 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20200831152934.1023912-1-sashal@kernel.org>
2020-08-31 15:29 ` [PATCH AUTOSEL 5.8 33/42] drm/amd/display: should check error using DC_OK Sasha Levin
2020-08-31 15:29 ` [PATCH AUTOSEL 5.8 34/42] drm/amd/display: Reject overlay plane configurations in multi-display scenarios Sasha Levin
2020-08-31 15:29 ` [PATCH AUTOSEL 5.8 35/42] drivers: gpu: amd: Initialize amdgpu_dm_backlight_caps object to 0 in amdgpu_dm_update_backlight_caps Sasha Levin
2020-08-31 15:29 ` [PATCH AUTOSEL 5.8 36/42] drm/amd/display: Revert HDCP disable sequence change Sasha Levin
2020-08-31 15:29 ` [PATCH AUTOSEL 5.8 37/42] drm/amd/display: Fix passive dongle mistaken as active dongle in EDID emulation Sasha Levin
2020-08-31 15:29 ` Sasha Levin [this message]
2020-08-31 15:29 ` [PATCH AUTOSEL 5.8 39/42] drm/amd/display: Retry AUX write when fail occurs Sasha Levin
2020-08-31 15:29 ` [PATCH AUTOSEL 5.8 40/42] drm/amd/display: Fix memleak in amdgpu_dm_mode_config_init Sasha Levin
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