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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Sasha Levin <sashal@kernel.org>,
	Ethan.Wellenreiter@amd.com, dri-devel@lists.freedesktop.org,
	sunpeng.li@amd.com, Qingqing Zhuo <qingqing.zhuo@amd.com>,
	Xinhui.Pan@amd.com, Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>,
	Syed.Hassan@amd.com, amd-gfx@lists.freedesktop.org,
	Daniel Wheeler <daniel.wheeler@amd.com>,
	Alvin Lee <Alvin.Lee2@amd.com>,
	Alex Deucher <alexander.deucher@amd.com>,
	Jun.Lei@amd.com, christian.koenig@amd.com
Subject: [PATCH AUTOSEL 6.0 28/30] drm/amd/display: Don't return false if no stream
Date: Sun,  6 Nov 2022 12:03:40 -0500	[thread overview]
Message-ID: <20221106170345.1579893-28-sashal@kernel.org> (raw)
In-Reply-To: <20221106170345.1579893-1-sashal@kernel.org>

From: Alvin Lee <Alvin.Lee2@amd.com>

[ Upstream commit abe4d9f03fae76c9650b0d942faf6990b35c377b ]

pipe_ctx[i] exists even if the pipe is not
in use. If the pipe is not in use it will
always have a null stream, so don't return
false in this case.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@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/dcn32/dcn32_resource_helpers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
index 1f195c5b3377..13cd1f2e50ca 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource_helpers.c
@@ -187,7 +187,7 @@ bool dcn32_all_pipes_have_stream_and_plane(struct dc *dc,
 		struct pipe_ctx *pipe = &context->res_ctx.pipe_ctx[i];
 
 		if (!pipe->stream)
-			return false;
+			continue;
 
 		if (!pipe->plane_state)
 			return false;
-- 
2.35.1


  parent reply	other threads:[~2022-11-06 17:05 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-06 17:03 [PATCH AUTOSEL 6.0 01/30] drm/msm/gpu: Fix crash during system suspend after unbind Sasha Levin
2022-11-06 17:03 ` [PATCH AUTOSEL 6.0 24/30] drm/amdgpu: Adjust MES polling timeout for sriov Sasha Levin
2022-11-06 17:03 ` [PATCH AUTOSEL 6.0 27/30] drm/amd/display: Remove wrong pipe control lock Sasha Levin
2022-11-06 17:03 ` Sasha Levin [this message]
2022-11-06 17:03 ` [PATCH AUTOSEL 6.0 29/30] drm/scheduler: fix fence ref counting Sasha Levin

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