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| author | Tom St Denis <tom.stdenis@amd.com> | 2017-09-12 18:29:06 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-13 18:10:11 +0200 |
| commit | c9232d9ee85fade8a2020efe9f3bf64cdbbc6347 (patch) | |
| tree | be2b5a6214dd5a810f7849fe7b3efe88fbed983b /drivers | |
| parent | drm/amd/powerplay: Tidy up smu7_enable_didt() (diff) | |
| download | linux-c9232d9ee85fade8a2020efe9f3bf64cdbbc6347.tar.xz linux-c9232d9ee85fade8a2020efe9f3bf64cdbbc6347.zip | |
drm/amd/powerplay: lock grbm_gfx index when changing instance
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c index 8c264c195e1a..0f75af33e581 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_powertune.c @@ -746,6 +746,7 @@ int smu7_enable_didt_config(struct pp_hwmgr *hwmgr) PP_CAP(PHM_PlatformCaps_TCPRamping)) { cgs_enter_safe_mode(hwmgr->device, true); + cgs_lock_grbm_idx(hwmgr->device, true); value = 0; value2 = cgs_read_register(hwmgr->device, mmGRBM_GFX_INDEX); for (count = 0; count < num_se; count++) { @@ -785,6 +786,7 @@ int smu7_enable_didt_config(struct pp_hwmgr *hwmgr) PP_ASSERT_WITH_CODE((0 == result), "Failed to enable DPM DIDT.", return result); } + cgs_lock_grbm_idx(hwmgr->device, false); cgs_enter_safe_mode(hwmgr->device, false); } |