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drm/amd/powerplay: add default clockgating handling

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This is to workaround regression introduced in
46c34bcb6a15dd85329a39a5e72c62108626acdc. It should be reverted with a
final fix.

Signed-off-by: Flora Cui <Flora.Cui@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Flora Cui 2016-02-15 15:45:59 +08:00 committed by Alex Deucher
parent 62a86fc234
commit 538333f0dc
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/powerplay/amd_powerplay.c
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@ -188,10 +188,12 @@ static int pp_set_clockgating_state(void *handle,
hwmgr = ((struct pp_instance *)handle)->hwmgr;
if (hwmgr == NULL || hwmgr->hwmgr_func == NULL ||
hwmgr->hwmgr_func->update_clock_gatings == NULL)
if (hwmgr == NULL || hwmgr->hwmgr_func == NULL)
return -EINVAL;
if (hwmgr->hwmgr_func->update_clock_gatings == NULL)
return 0;
if (state == AMD_CG_STATE_UNGATE)
pp_state = 0;
else