diff options
| author | Oak Zeng <Oak.Zeng@amd.com> | 2018-09-05 23:51:23 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-09-12 16:28:53 -0500 |
| commit | 240cd9a64226e013ac1a608ebf720a1813790196 (patch) | |
| tree | de0ab86452ec57fc396591708230ee549e98bac4 /drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | |
| parent | 7e7bf8de432db3de912050856e641458de72a7b1 (diff) | |
| download | linux-240cd9a64226e013ac1a608ebf720a1813790196.tar.bz2 | |
drm/amdgpu: Move fault hash table to amdgpu vm
In stead of share one fault hash table per device, make it
per vm. This can avoid inter-process lock issue when fault
hash table is full.
Change-Id: I5d1281b7c41eddc8e26113e010516557588d3708
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Suggested-by: Christian Konig <Christian.Koenig@amd.com>
Suggested-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian Konig <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h index a23e1c0bed93..0d5b3f5201d2 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ih.h @@ -24,7 +24,6 @@ #ifndef __AMDGPU_IH_H__ #define __AMDGPU_IH_H__ -#include <linux/chash.h> #include "soc15_ih_clientid.h" struct amdgpu_device; @@ -32,13 +31,6 @@ struct amdgpu_device; #define AMDGPU_IH_CLIENTID_LEGACY 0 #define AMDGPU_IH_CLIENTID_MAX SOC15_IH_CLIENTID_MAX -#define AMDGPU_PAGEFAULT_HASH_BITS 8 -struct amdgpu_retryfault_hashtable { - DECLARE_CHASH_TABLE(hash, AMDGPU_PAGEFAULT_HASH_BITS, 8, 0); - spinlock_t lock; - int count; -}; - /* * R6xx+ IH ring */ @@ -57,7 +49,6 @@ struct amdgpu_ih_ring { bool use_doorbell; bool use_bus_addr; dma_addr_t rb_dma_addr; /* only used when use_bus_addr = true */ - struct amdgpu_retryfault_hashtable *faults; }; #define AMDGPU_IH_SRC_DATA_MAX_SIZE_DW 4 @@ -95,7 +86,5 @@ int amdgpu_ih_ring_init(struct amdgpu_device *adev, unsigned ring_size, bool use_bus_addr); void amdgpu_ih_ring_fini(struct amdgpu_device *adev); int amdgpu_ih_process(struct amdgpu_device *adev); -int amdgpu_ih_add_fault(struct amdgpu_device *adev, u64 key); -void amdgpu_ih_clear_fault(struct amdgpu_device *adev, u64 key); #endif |