drm/amd/display: Blank phantom OTG before enabling
authorAlvin Lee <Alvin.Lee2@amd.com>
Tue, 8 Aug 2023 17:21:58 +0000 (13:21 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 28 Nov 2023 17:19:39 +0000 (17:19 +0000)
commit67af2e23e2a77769bb53cd65e576cc231bdff83b
tree5beeaa45a6203080d7d8099b4b47cf48666d0efd
parentaa359db88213c25b7a8743979726e577bcceb3bc
drm/amd/display: Blank phantom OTG before enabling

[ Upstream commit e87a6c5b7780b5f423797351eb586ed96cc6d151 ]

[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>
drivers/gpu/drm/amd/display/dc/core/dc.c
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.h
drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c
drivers/gpu/drm/amd/display/dc/inc/hw_sequencer.h