diff options
| author | Tom St Denis <tom.stdenis@amd.com> | 2017-04-04 10:24:19 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-04-06 13:26:50 -0400 |
| commit | d1a5b2502c8e0abb76be26145d45481fda41fb04 (patch) | |
| tree | 8acab3dc5d2860872035061ca99b0094f1e61829 /drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | |
| parent | bb215962f626f6367f5ff93d4764d417f046e014 (diff) | |
drm/amd/amdgpu: Fix srbm_indexing in init/inactive hqd code
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 14a6fbdf429b..cf2a4d76afbf 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -5462,6 +5462,7 @@ static void gfx_v8_0_inactive_hqd(struct amdgpu_device *adev, { int i; + mutex_lock(&adev->srbm_mutex); vi_srbm_select(adev, ring->me, ring->pipe, ring->queue, 0); if (RREG32(mmCP_HQD_ACTIVE) & CP_HQD_ACTIVE__ACTIVE_MASK) { WREG32_FIELD(CP_HQD_DEQUEUE_REQUEST, DEQUEUE_REQ, 2); @@ -5471,6 +5472,8 @@ static void gfx_v8_0_inactive_hqd(struct amdgpu_device *adev, udelay(1); } } + vi_srbm_select(adev, 0, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); } static int gfx_v8_0_pre_soft_reset(void *handle) @@ -5576,11 +5579,13 @@ static int gfx_v8_0_soft_reset(void *handle) static void gfx_v8_0_init_hqd(struct amdgpu_device *adev, struct amdgpu_ring *ring) { + mutex_lock(&adev->srbm_mutex); vi_srbm_select(adev, ring->me, ring->pipe, ring->queue, 0); WREG32(mmCP_HQD_DEQUEUE_REQUEST, 0); WREG32(mmCP_HQD_PQ_RPTR, 0); WREG32(mmCP_HQD_PQ_WPTR, 0); vi_srbm_select(adev, 0, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); } static int gfx_v8_0_post_soft_reset(void *handle) |