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drm/amd/powerplay: added grbm_idx_mutex lock/unlock to cgs v2

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- 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>
This commit is contained in:
Evan Quan 2017-07-04 15:37:09 +08:00 committed by Alex Deucher
parent c62a59d0c8
commit 209ee27e9b
2 changed files with 17 additions and 0 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c
View File

@ -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 = {

5
drivers/gpu/drm/amd/include/cgs_common.h
View File

@ -407,6 +407,8 @@ typedef int (*cgs_is_virtualization_enabled_t)(void *cgs_device);
typedef int (*cgs_enter_safe_mode)(struct cgs_device *cgs_device, bool en);
typedef void (*cgs_lock_grbm_idx)(struct cgs_device *cgs_device, bool lock);
struct cgs_ops {
/* memory management calls (similar to KFD interface) */
cgs_alloc_gpu_mem_t alloc_gpu_mem;
@ -442,6 +444,7 @@ struct cgs_ops {
cgs_query_system_info query_system_info;
cgs_is_virtualization_enabled_t is_virtualization_enabled;
cgs_enter_safe_mode enter_safe_mode;
cgs_lock_grbm_idx lock_grbm_idx;
};
struct cgs_os_ops; /* To be define in OS-specific CGS header */
@ -518,4 +521,6 @@ struct cgs_device
#define cgs_enter_safe_mode(cgs_device, en) \
CGS_CALL(enter_safe_mode, cgs_device, en)
#define cgs_lock_grbm_idx(cgs_device, lock) \
CGS_CALL(lock_grbm_idx, cgs_device, lock)
#endif /* _CGS_COMMON_H */