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drm/amdgpu: avoid using invalidate semaphore for picasso
authorchangzhu <Changfeng.Zhu@amd.com>
Tue, 10 Dec 2019 02:23:09 +0000 (10:23 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Wed, 11 Dec 2019 20:22:07 +0000 (15:22 -0500)
It may cause timeout waiting for sem acquire in VM flush when using
invalidate semaphore for picasso. So it needs to avoid using invalidate
semaphore for piasso.

Signed-off-by: changzhu <Changfeng.Zhu@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

index 365a88e..a208b28 100644 (file)
@@ -468,8 +468,11 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
         */
 
        /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
-       if (vmhub == AMDGPU_MMHUB_0 ||
-           vmhub == AMDGPU_MMHUB_1) {
+       if ((vmhub == AMDGPU_MMHUB_0 ||
+            vmhub == AMDGPU_MMHUB_1) &&
+           (!(adev->asic_type == CHIP_RAVEN &&
+              adev->rev_id < 0x8 &&
+              adev->pdev->device == 0x15d8))) {
                for (j = 0; j < adev->usec_timeout; j++) {
                        /* a read return value of 1 means semaphore acuqire */
                        tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_sem + eng);
@@ -499,8 +502,11 @@ static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
        }
 
        /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
-       if (vmhub == AMDGPU_MMHUB_0 ||
-           vmhub == AMDGPU_MMHUB_1)
+       if ((vmhub == AMDGPU_MMHUB_0 ||
+            vmhub == AMDGPU_MMHUB_1) &&
+           (!(adev->asic_type == CHIP_RAVEN &&
+              adev->rev_id < 0x8 &&
+              adev->pdev->device == 0x15d8)))
                /*
                 * add semaphore release after invalidation,
                 * write with 0 means semaphore release
@@ -531,8 +537,11 @@ static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
         */
 
        /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
-       if (ring->funcs->vmhub == AMDGPU_MMHUB_0 ||
-           ring->funcs->vmhub == AMDGPU_MMHUB_1)
+       if ((ring->funcs->vmhub == AMDGPU_MMHUB_0 ||
+            ring->funcs->vmhub == AMDGPU_MMHUB_1) &&
+           (!(adev->asic_type == CHIP_RAVEN &&
+              adev->rev_id < 0x8 &&
+              adev->pdev->device == 0x15d8)))
                /* a read return value of 1 means semaphore acuqire */
                amdgpu_ring_emit_reg_wait(ring,
                                          hub->vm_inv_eng0_sem + eng, 0x1, 0x1);
@@ -548,8 +557,11 @@ static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
                                            req, 1 << vmid);
 
        /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
-       if (ring->funcs->vmhub == AMDGPU_MMHUB_0 ||
-           ring->funcs->vmhub == AMDGPU_MMHUB_1)
+       if ((ring->funcs->vmhub == AMDGPU_MMHUB_0 ||
+            ring->funcs->vmhub == AMDGPU_MMHUB_1) &&
+           (!(adev->asic_type == CHIP_RAVEN &&
+              adev->rev_id < 0x8 &&
+              adev->pdev->device == 0x15d8)))
                /*
                 * add semaphore release after invalidation,
                 * write with 0 means semaphore release