diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2014-01-16 18:11:47 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-01-20 18:20:56 -0500 |
| commit | d45b964a22cad962d3ede1eba8d24f5cee7b2a92 (patch) | |
| tree | e38948c90fa1c552b4ae3e5c90702effc3926ab0 /drivers/gpu | |
| parent | 10e9ffae463396c5a25fdfe8a48d7c98a87f6b85 (diff) | |
drm/radeon: set the full cache bit for fences on r7xx+
Needed to properly flush the read caches for fences.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/radeon/r600d.h | 1 |
2 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index ad99bae2e85c..3dce370adc1b 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2706,14 +2706,17 @@ void r600_fence_ring_emit(struct radeon_device *rdev, struct radeon_fence *fence) { struct radeon_ring *ring = &rdev->ring[fence->ring]; + u32 cp_coher_cntl = PACKET3_TC_ACTION_ENA | PACKET3_VC_ACTION_ENA | + PACKET3_SH_ACTION_ENA; + + if (rdev->family >= CHIP_RV770) + cp_coher_cntl |= PACKET3_FULL_CACHE_ENA; if (rdev->wb.use_event) { u64 addr = rdev->fence_drv[fence->ring].gpu_addr; /* flush read cache over gart */ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); - radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | - PACKET3_VC_ACTION_ENA | - PACKET3_SH_ACTION_ENA); + radeon_ring_write(ring, cp_coher_cntl); radeon_ring_write(ring, 0xFFFFFFFF); radeon_ring_write(ring, 0); radeon_ring_write(ring, 10); /* poll interval */ @@ -2727,9 +2730,7 @@ void r600_fence_ring_emit(struct radeon_device *rdev, } else { /* flush read cache over gart */ radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3)); - radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | - PACKET3_VC_ACTION_ENA | - PACKET3_SH_ACTION_ENA); + radeon_ring_write(ring, cp_coher_cntl); radeon_ring_write(ring, 0xFFFFFFFF); radeon_ring_write(ring, 0); radeon_ring_write(ring, 10); /* poll interval */ diff --git a/drivers/gpu/drm/radeon/r600d.h b/drivers/gpu/drm/radeon/r600d.h index 3fca4b9c65ad..37455f65107f 100644 --- a/drivers/gpu/drm/radeon/r600d.h +++ b/drivers/gpu/drm/radeon/r600d.h @@ -1582,6 +1582,7 @@ # define PACKET3_CP_DMA_CMD_DAIC (1 << 29) #define PACKET3_SURFACE_SYNC 0x43 # define PACKET3_CB0_DEST_BASE_ENA (1 << 6) +# define PACKET3_FULL_CACHE_ENA (1 << 20) /* r7xx+ only */ # define PACKET3_TC_ACTION_ENA (1 << 23) # define PACKET3_VC_ACTION_ENA (1 << 24) # define PACKET3_CB_ACTION_ENA (1 << 25) |