From: changzhu <changfeng....@amd.com>
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.
Change-Id: I6dc552bde180919cd5ba6c81c6d9e3f800043b03
Signed-off-by: changzhu <changfeng....@amd.com>
---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 28 +++++++++++++++++++--------
1 file changed, 20 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 231ea9762cb5..601667246a1c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -464,8 +464,11 @@ 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);
@@ -495,8 +498,11 @@ 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
@@ -527,8 +533,11 @@ 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);
@@ -544,8 +553,11 @@ 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
--
2.17.1
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