[PATCH] drm/amdgpu: avoid using invalidate semaphore for picasso(v2)

[Changfeng.Zhu]

From: changzhu <Changfeng.Zhu at 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.Zhu at 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