linux-kernel - [PATCH 5.6 019/167] drm/amd/display: Update stream adjust in dc_stream_adjust_vmin

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Message-Id: <20200428182227.607773612@linuxfoundation.org>
Date:   Tue, 28 Apr 2020 20:23:15 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Isabel Zhang <isabel.zhang@....com>,
        Alvin Lee <Alvin.Lee2@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.6 019/167] drm/amd/display: Update stream adjust in dc_stream_adjust_vmin_vmax

From: Isabel Zhang <isabel.zhang@....com>

[ Upstream commit 346d8a0a3c91888a412c2735d69daa09c00f0203 ]

[Why]
After v_total_min and max are updated in vrr structure, the changes are
not reflected in stream adjust. When these values are read from stream
adjust it does not reflect the actual state of the system.

[How]
Set stream adjust values equal to vrr adjust values after vrr adjust
values are updated.

Signed-off-by: Isabel Zhang <isabel.zhang@....com>
Reviewed-by: Alvin Lee <Alvin.Lee2@....com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@....com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 04441dbcba76f..fc25600107050 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -283,6 +283,8 @@ bool dc_stream_adjust_vmin_vmax(struct dc *dc,
 	int i = 0;
 	bool ret = false;
 
+	stream->adjust = *adjust;
+
 	for (i = 0; i < MAX_PIPES; i++) {
 		struct pipe_ctx *pipe = &dc->current_state->res_ctx.pipe_ctx[i];
 
-- 
2.20.1