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drm/amd/display: Check if link state is valid

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[ Upstream commit 03ce7b387e ]

The link state is set to false if there is no link and local sink. Even
though the stream state may not change, it is desirable to commit the
new stream when HPD goes low to high.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Co-developed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 59de751e38 ("drm/amd/display: add ODM case when looking for first split pipe")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Rodrigo Siqueira
2022-10-18 08:28:15 -04:00
committed by Greg Kroah-Hartman
parent f1edb2f58a
commit 810329d3d4
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/dc/core/dc.c
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@@ -1517,6 +1517,8 @@ static bool context_changed(
for (i = 0; i < dc->current_state->stream_count; i++) {
if (dc->current_state->streams[i] != context->streams[i])
return true;
if (!context->streams[i]->link->link_state_valid)
return true;
}
return false;