drm/amd/display: Blank phantom OTG before enabling

[ Upstream commit e87a6c5b77 ]

[Description]
Before enabling the phantom OTG for an update we
must enable DPG to avoid underflow.

Reviewed-by: Samson Tam <samson.tam@amd.com>
Acked-by: Stylon Wang <stylon.wang@amd.com>
Signed-off-by: Alvin Lee <Alvin.Lee2@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alvin Lee 2023-08-08 13:21:58 -04:00 • committed by Greg Kroah-Hartman
commit 67af2e23e2
6 changed files with 68 additions and 49 deletions