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authorEvan Quan <evan.quan@amd.com>2017-07-04 10:37:09 +0300
committerAlex Deucher <alexander.deucher@amd.com>2017-07-14 18:06:25 +0300
commit209ee27e9ba35c53e18284c7bb5ac2ba6a2fcd22 (patch)
tree54e36db0bff8f22b415df719d07110088653fb1b /drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
parentc62a59d0c8117f709f1e7a9fc8ccc1aae1db3f2c (diff)
downloadlinux-209ee27e9ba35c53e18284c7bb5ac2ba6a2fcd22.tar.xz
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.c12
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 = {