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| author |   Evan Quan <evan.quan@amd.com> | 2021-11-05 15:25:30 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2021-11-22 14:45:02 -0500 |
| commit | 6c08e0ef87b8b4c1c243719a561c354e893c415d (patch) | |
| tree | cc8e1fc95ab7168c49921d6cc000d03b7e748aad /drivers/gpu/drm/amd/include/amd_shared.h | |
| parent | drm/amd/display: Revert "retain/release stream pointer in link enc table" (diff) | |
| download | linux-dev-6c08e0ef87b8b4c1c243719a561c354e893c415d.tar.xz linux-dev-6c08e0ef87b8b4c1c243719a561c354e893c415d.zip | |
drm/amd/pm: avoid duplicate powergate/ungate setting
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
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>
Diffstat (limited to 'drivers/gpu/drm/amd/include/amd_shared.h')
| -rw-r--r-- | drivers/gpu/drm/amd/include/amd_shared.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index f1a46d16f7ea..4b9e68a79f06 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -98,7 +98,8 @@ enum amd_ip_block_type { AMD_IP_BLOCK_TYPE_ACP, AMD_IP_BLOCK_TYPE_VCN, AMD_IP_BLOCK_TYPE_MES, - AMD_IP_BLOCK_TYPE_JPEG + AMD_IP_BLOCK_TYPE_JPEG, + AMD_IP_BLOCK_TYPE_NUM, }; enum amd_clockgating_state { |