From 209ee27e9ba35c53e18284c7bb5ac2ba6a2fcd22 Mon Sep 17 00:00:00 2001 From: Evan Quan Date: Tue, 4 Jul 2017 15:37:09 +0800 Subject: [PATCH] drm/amd/powerplay: added grbm_idx_mutex lock/unlock to cgs v2 - v2: rename param 'en' as 'lock' Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c | 12 ++++++++++++ drivers/gpu/drm/amd/include/cgs_common.h | 5 +++++ 2 files changed, 17 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c index 9b58940..a99e0bc 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 = { diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h index b46d12d..0214f63 100644 --- a/drivers/gpu/drm/amd/include/cgs_common.h +++ b/drivers/gpu/drm/amd/include/cgs_common.h @@ -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 */ -- 2.7.4