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| author | Evan Quan <evan.quan@amd.com> | 2017-07-04 15:37:09 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-07-14 11:06:25 -0400 |
| commit | 209ee27e9ba35c53e18284c7bb5ac2ba6a2fcd22 (patch) | |
| tree | 54e36db0bff8f22b415df719d07110088653fb1b /drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | |
| parent | c62a59d0c8117f709f1e7a9fc8ccc1aae1db3f2c (diff) | |
| download | linux-209ee27e9ba35c53e18284c7bb5ac2ba6a2fcd22.tar.bz2 | |
drm/amd/powerplay: added grbm_idx_mutex lock/unlock to cgs v2
- v2: rename param 'en' as 'lock'
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 9b589402b58d..a99e0bca6812 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c @@ -614,6 +614,17 @@ static int amdgpu_cgs_enter_safe_mode(struct cgs_device *cgs_device, return 0; } +static void amdgpu_cgs_lock_grbm_idx(struct cgs_device *cgs_device, + bool lock) +{ + CGS_FUNC_ADEV; + + if (lock) + mutex_lock(&adev->grbm_idx_mutex); + else + mutex_unlock(&adev->grbm_idx_mutex); +} + static int amdgpu_cgs_get_firmware_info(struct cgs_device *cgs_device, enum cgs_ucode_id type, struct cgs_firmware_info *info) @@ -1127,6 +1138,7 @@ static const struct cgs_ops amdgpu_cgs_ops = { .query_system_info = amdgpu_cgs_query_system_info, .is_virtualization_enabled = amdgpu_cgs_is_virtualization_enabled, .enter_safe_mode = amdgpu_cgs_enter_safe_mode, + .lock_grbm_idx = amdgpu_cgs_lock_grbm_idx, }; static const struct cgs_os_ops amdgpu_cgs_os_ops = { |