Revert "drm/amd/display: Remove v_startup workaround for dcn3+"
authorHamza Mahfooz <hamza.mahfooz@amd.com>
Thu, 31 Aug 2023 19:17:14 +0000 (15:17 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 7 Sep 2023 02:08:10 +0000 (22:08 -0400)
commita81de4a22bbe3183b7f0d6f13f592b8f5b5a3c18
treee536f1632fbe2d6bd6fbb5bccdd803da49e0d552
parent35588314e963938dfdcdb792c9170108399377d6
Revert "drm/amd/display: Remove v_startup workaround for dcn3+"

This reverts commit 3a31e8b89b7240d9a17ace8a1ed050bdcb560f9e.

We still need to call dcn20_adjust_freesync_v_startup() for older DCN3+
ASICs. Otherwise, it can cause DP to HDMI 2.1 PCONs to fail to light up.

Cc: stable@vger.kernel.org
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2809
Reviewed-by: Fangzhi Zuo <jerry.zuo@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c