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drm/amd/display: Avoid HPD IRQ in GPU reset state
authorZhan Liu <zhan.liu@amd.com>
Sun, 9 May 2021 23:30:36 +0000 (19:30 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 14 Jul 2021 14:59:46 +0000 (16:59 +0200)
commitccd1f614f68264ceacaed4a888742ad7307b1bd7
tree25281125bfd200f1feaa440cfbad754b4de064e0tree
parenta3775532207927d694c2c86904f778537e8f1412commit | diff
drm/amd/display: Avoid HPD IRQ in GPU reset state

[ Upstream commit 509b9a5b4865dee723296f143695a7774fc96c4a ]

[Why]
If GPU is in reset state, force enabling link will cause
unexpected behaviour.

[How]
Avoid handling HPD IRQ when GPU is in reset state.

Signed-off-by: Zhan Liu <zhan.liu@amd.com>
Reviewed-by: Nikola Cornij <nikola.cornij@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git