[PATCH 09/12] drm/amdgpu/gfx9: always restore kcq MQDs

[Alex Deucher]

Always restore the MQD not just when we do a reset.
This allows us to move the MQD to VRAM if we want.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c   | 14 +++++++-------
 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 14 +++++++-------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 4ef3e7d9b108..ebba95fc6911 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -3591,16 +3591,16 @@ static int gfx_v9_0_kcq_init_queue(struct amdgpu_ring *ring)
 
 		if (adev->gfx.mec.mqd_backup[mqd_idx])
 			memcpy(adev->gfx.mec.mqd_backup[mqd_idx], mqd, sizeof(struct v9_mqd_allocation));
-	} else if (amdgpu_in_reset(adev)) { /* for GPU_RESET case */
-		/* reset MQD to a clean status */
+	} else {
+		/* restore MQD to a clean status */
 		if (adev->gfx.mec.mqd_backup[mqd_idx])
 			memcpy(mqd, adev->gfx.mec.mqd_backup[mqd_idx], sizeof(struct v9_mqd_allocation));
 
-		/* reset ring buffer */
-		ring->wptr = 0;
-		atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 0);
-		amdgpu_ring_clear_ring(ring);
-	} else {
+		if (amdgpu_in_reset(adev)) {
+			/* reset ring buffer */
+			ring->wptr = 0;
+			atomic64_set((atomic64_t *)ring->wptr_cpu_addr, 0);
+		}
 		amdgpu_ring_clear_ring(ring);
 	}
 
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index 56a415e151d4..fd5649e45486 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -1799,16 +1799,16 @@ static int gfx_v9_4_3_kcq_init_queue(struct amdgpu_ring *ring, int xcc_id)
 
 		if (adev->gfx.mec.mqd_backup[mqd_idx])
 			memcpy(adev->gfx.mec.mqd_backup[mqd_idx], mqd, sizeof(struct v9_mqd_allocation));
-	} else if (amdgpu_in_reset(adev)) { /* for GPU_RESET case */
-		/* reset MQD to a clean status */
+	} else {
+		/* restore MQD to a clean status */
 		if (adev->gfx.mec.mqd_backup[mqd_idx])
 			memcpy(mqd, adev->gfx.mec.mqd_backup[mqd_idx], sizeof(struct v9_mqd_allocation));
 
-		/* reset ring buffer */
-		ring->wptr = 0;
-		atomic64_set((atomic64_t *)&adev->wb.wb[ring->wptr_offs], 0);
-		amdgpu_ring_clear_ring(ring);
-	} else {
+		if (amdgpu_in_reset(adev)) {
+			/* reset ring buffer */
+			ring->wptr = 0;
+			atomic64_set((atomic64_t *)&adev->wb.wb[ring->wptr_offs], 0);
+		}
 		amdgpu_ring_clear_ring(ring);
 	}
 
-- 
2.40.0