aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/r100.c12
-rw-r--r--drivers/gpu/drm/radeon/r600.c8
2 files changed, 9 insertions, 11 deletions
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index b438b520ee7..5e821a313a8 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -578,19 +578,19 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
indirect1_start = 16;
/* cp setup */
WREG32(0x718, pre_write_timer | (pre_write_limit << 28));
- WREG32(RADEON_CP_RB_CNTL,
-#ifdef __BIG_ENDIAN
- RADEON_BUF_SWAP_32BIT |
-#endif
- REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
+ tmp = (REG_SET(RADEON_RB_BUFSZ, rb_bufsz) |
REG_SET(RADEON_RB_BLKSZ, rb_blksz) |
REG_SET(RADEON_MAX_FETCH, max_fetch) |
RADEON_RB_NO_UPDATE);
+#ifdef __BIG_ENDIAN
+ tmp |= RADEON_BUF_SWAP_32BIT;
+#endif
+ WREG32(RADEON_CP_RB_CNTL, tmp);
+
/* Set ring address */
DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr);
WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr);
/* Force read & write ptr to 0 */
- tmp = RREG32(RADEON_CP_RB_CNTL);
WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA);
WREG32(RADEON_CP_RB_RPTR_WR, 0);
WREG32(RADEON_CP_RB_WPTR, 0);
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index e87475c87d5..60fbb236edf 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1272,19 +1272,17 @@ int r600_cp_resume(struct radeon_device *rdev)
/* Set ring buffer size */
rb_bufsz = drm_order(rdev->cp.ring_size / 8);
+ tmp = RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
#ifdef __BIG_ENDIAN
- WREG32(CP_RB_CNTL, BUF_SWAP_32BIT | RB_NO_UPDATE |
- (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz);
-#else
- WREG32(CP_RB_CNTL, RB_NO_UPDATE | (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz);
+ tmp |= BUF_SWAP_32BIT;
#endif
+ WREG32(CP_RB_CNTL, tmp);
WREG32(CP_SEM_WAIT_TIMER, 0x4);
/* Set the write pointer delay */
WREG32(CP_RB_WPTR_DELAY, 0);
/* Initialize the ring buffer's read and write pointers */
- tmp = RREG32(CP_RB_CNTL);
WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
WREG32(CP_RB_RPTR_WR, 0);
WREG32(CP_RB_WPTR, 0);