drm/amd/display: fix k1 k2 divider programming for phantom streams

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[ Upstream commit 3b214bb718 ]

[Why & How]
When k1 and k2 divider programming logic is executed for a phantom
stream, the corresponding master stream should be used for the
calculation. Fix the if condition to use the master stream for checking
signal type instead of the phantom stream.

Reviewed-by: Alvin Lee <Alvin.Lee2@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Stable-dep-of: 709671ffb1 ("drm/amd/display: Remove OTG DIV register write for Virtual signals.")
Signed-off-by: Sasha Levin <sashal@kernel.org>

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This commit is contained in:

Aurabindo Pillai 2023-01-30 13:07:59 -05:00 • committed by Greg Kroah-Hartman

parent 0ca90dc98e

commit c853e209ea

1 changed files with 2 additions and 2 deletions

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drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c

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