Am 27.04.23 um 17:27 schrieb 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.

v2: always reset ring pointer as well (Christian)

Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>

Reviewed-by: Christian König <christian.koe...@amd.com> for this one and same for other hw generations.

---
  drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 6 ++----
  1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c 
b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 5de44d7e92de..2ae7f167985f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -4651,15 +4651,13 @@ static int gfx_v8_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 vi_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 vi_mqd_allocation));
                /* reset ring buffer */
                ring->wptr = 0;
                amdgpu_ring_clear_ring(ring);
-       } else {
-               amdgpu_ring_clear_ring(ring);
        }
        return 0;
  }

Reply via email to