diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/r100.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/r100.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 526d2aa7d70f..ef024ce3f7cc 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1050,6 +1050,36 @@ static int r100_cp_init_microcode(struct radeon_device *rdev) return err; } +u32 r100_gfx_get_rptr(struct radeon_device *rdev, + struct radeon_ring *ring) +{ + u32 rptr; + + if (rdev->wb.enabled) + rptr = le32_to_cpu(rdev->wb.wb[ring->rptr_offs/4]); + else + rptr = RREG32(RADEON_CP_RB_RPTR); + + return rptr; +} + +u32 r100_gfx_get_wptr(struct radeon_device *rdev, + struct radeon_ring *ring) +{ + u32 wptr; + + wptr = RREG32(RADEON_CP_RB_WPTR); + + return wptr; +} + +void r100_gfx_set_wptr(struct radeon_device *rdev, + struct radeon_ring *ring) +{ + WREG32(RADEON_CP_RB_WPTR, ring->wptr); + (void)RREG32(RADEON_CP_RB_WPTR); +} + static void r100_cp_load_microcode(struct radeon_device *rdev) { const __be32 *fw_data; @@ -1102,7 +1132,6 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) ring_size = (1 << (rb_bufsz + 1)) * 4; r100_cp_load_microcode(rdev); r = radeon_ring_init(rdev, ring, ring_size, RADEON_WB_CP_RPTR_OFFSET, - RADEON_CP_RB_RPTR, RADEON_CP_RB_WPTR, RADEON_CP_PACKET2); if (r) { return r; |