diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r600.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index d05611aba134..bf0792cf0729 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2382,6 +2382,36 @@ out: return err; } +u32 r600_gfx_get_rptr(struct radeon_device *rdev, + struct radeon_ring *ring) +{ + u32 rptr; + + if (rdev->wb.enabled) + rptr = rdev->wb.wb[ring->rptr_offs/4]; + else + rptr = RREG32(R600_CP_RB_RPTR); + + return rptr; +} + +u32 r600_gfx_get_wptr(struct radeon_device *rdev, + struct radeon_ring *ring) +{ + u32 wptr; + + wptr = RREG32(R600_CP_RB_WPTR); + + return wptr; +} + +void r600_gfx_set_wptr(struct radeon_device *rdev, + struct radeon_ring *ring) +{ + WREG32(R600_CP_RB_WPTR, ring->wptr); + (void)RREG32(R600_CP_RB_WPTR); +} + static int r600_cp_load_microcode(struct radeon_device *rdev) { const __be32 *fw_data; @@ -2818,14 +2848,12 @@ static int r600_startup(struct radeon_device *rdev) ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]; r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET, - R600_CP_RB_RPTR, R600_CP_RB_WPTR, RADEON_CP_PACKET2); if (r) return r; ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX]; r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET, - DMA_RB_RPTR, DMA_RB_WPTR, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0)); if (r) return r; |