1 files changed, 10 insertions, 12 deletions

diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index f2204cb1ccdf..7fcdbbbf2979 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -721,11 +721,11 @@ void r100_fence_ring_emit(struct radeon_device *rdev,
 int r100_copy_blit(struct radeon_device *rdev,
                    uint64_t src_offset,
                    uint64_t dst_offset,
-                   unsigned num_pages,
+                   unsigned num_gpu_pages,
                    struct radeon_fence *fence)
 {
         uint32_t cur_pages;
-        uint32_t stride_bytes = PAGE_SIZE;
+        uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE;
         uint32_t pitch;
         uint32_t stride_pixels;
         unsigned ndw;
@@ -737,7 +737,7 @@ int r100_copy_blit(struct radeon_device *rdev,
         /* radeon pitch is /64 */
         pitch = stride_bytes / 64;
         stride_pixels = stride_bytes / 4;
-        num_loops = DIV_ROUND_UP(num_pages, 8191);
+        num_loops = DIV_ROUND_UP(num_gpu_pages, 8191);
 
         /* Ask for enough room for blit + flush + fence */
         ndw = 64 + (10 * num_loops);
@@ -746,12 +746,12 @@ int r100_copy_blit(struct radeon_device *rdev,
                 DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw);
                 return -EINVAL;
         }
-        while (num_pages > 0) {
-                cur_pages = num_pages;
+        while (num_gpu_pages > 0) {
+                cur_pages = num_gpu_pages;
                 if (cur_pages > 8191) {
                         cur_pages = 8191;
                 }
-                num_pages -= cur_pages;
+                num_gpu_pages -= cur_pages;
 
                 /* pages are in Y direction - height
                    page width in X direction - width */
@@ -773,8 +773,8 @@ int r100_copy_blit(struct radeon_device *rdev,
                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
                 radeon_ring_write(rdev, 0);
                 radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16));
-                radeon_ring_write(rdev, num_pages);
-                radeon_ring_write(rdev, num_pages);
+                radeon_ring_write(rdev, num_gpu_pages);
+                radeon_ring_write(rdev, num_gpu_pages);
                 radeon_ring_write(rdev, cur_pages | (stride_pixels << 16));
         }
         radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0));
@@ -990,7 +990,8 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
         /* Force read & write ptr to 0 */
         WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE);
         WREG32(RADEON_CP_RB_RPTR_WR, 0);
-        WREG32(RADEON_CP_RB_WPTR, 0);
+        rdev->cp.wptr = 0;
+        WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr);
 
         /* set the wb address whether it's enabled or not */
         WREG32(R_00070C_CP_RB_RPTR_ADDR,
@@ -1007,9 +1008,6 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
         WREG32(RADEON_CP_RB_CNTL, tmp);
         udelay(10);
         rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR);
-        rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR);
-        /* protect against crazy HW on resume */
-        rdev->cp.wptr &= rdev->cp.ptr_mask;
         /* Set cp mode to bus mastering & enable cp*/
         WREG32(RADEON_CP_CSQ_MODE,
                REG_SET(RADEON_INDIRECT2_START, indirect2_start) |