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| author | Evan Quan <evan.quan@amd.com> | 2021-11-05 10:25:30 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-11-25 11:49:06 +0300 |
| commit | 21d727a394f01525f26603f1ca8db7a0e77b69f6 (patch) | |
| tree | e1513fff06f0e9c1ff09d39bc751bba064352738 /include/linux/debugobjects.h | |
| parent | ca28919fe90d02647702f3f49a96ff108dbb5260 (diff) | |
| download | linux-21d727a394f01525f26603f1ca8db7a0e77b69f6.tar.xz | |
drm/amd/pm: avoid duplicate powergate/ungate setting
commit 6ee27ee27ba8b2e725886951ba2d2d87f113bece upstream.
Just bail out if the target IP block is already in the desired
powergate/ungate state. This can avoid some duplicate settings
which sometimes may cause unexpected issues.
Link: https://lore.kernel.org/all/YV81vidWQLWvATMM@zn.tnic/
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=214921
Bug: https://bugzilla.kernel.org/show_bug.cgi?id=215025
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1789
Fixes: bf756fb833cb ("drm/amdgpu: add missing cleanups for Polaris12 UVD/VCE on suspend")
Signed-off-by: Evan Quan <evan.quan@amd.com>
Tested-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/debugobjects.h')
0 files changed, 0 insertions, 0 deletions