drm/amdgpu: correct the wrong cached state for GMC on PICASSO

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Pair the operations did in GMC ->hw_init and ->hw_fini. That
can help to maintain correct cached state for GMC and avoid
unintention gate operation dropping due to wrong cached state.

BugLink: https://gitlab.freedesktop.org/drm/amd/-/issues/1828

Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

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Evan Quan 2021-12-13 14:38:38 +08:00 • committed by Alex Deucher

parent e0f943b4f9

commit 17252701ec

3 changed files with 18 additions and 5 deletions

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8

drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

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8

drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c

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7

drivers/gpu/drm/amd/pm/powerplay/amd_powerplay.c

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