1 files changed, 16 insertions, 22 deletions

diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 9c8d41534a5d..c47579dcafa1 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -83,8 +83,8 @@ void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
                 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
                 (void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
                 WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
-                mb();
         }
+        mb();
 }
 
 int rv370_pcie_gart_enable(struct radeon_device *rdev)
@@ -593,27 +593,6 @@ void r300_vram_info(struct radeon_device *rdev)
 
 
 /*
- * Indirect registers accessor
- */
-uint32_t rv370_pcie_rreg(struct radeon_device *rdev, uint32_t reg)
-{
-        uint32_t r;
-
-        WREG8(RADEON_PCIE_INDEX, ((reg) & 0xff));
-        (void)RREG32(RADEON_PCIE_INDEX);
-        r = RREG32(RADEON_PCIE_DATA);
-        return r;
-}
-
-void rv370_pcie_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
-{
-        WREG8(RADEON_PCIE_INDEX, ((reg) & 0xff));
-        (void)RREG32(RADEON_PCIE_INDEX);
-        WREG32(RADEON_PCIE_DATA, (v));
-        (void)RREG32(RADEON_PCIE_DATA);
-}
-
-/*
  * PCIE Lanes
  */
 
@@ -1403,6 +1382,21 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
                 tmp = (ib_chunk->kdata[idx] >> 22) & 0xF;
                 track->textures[i].txdepth = tmp;
                 break;
+        case R300_ZB_ZPASS_ADDR:
+                r = r100_cs_packet_next_reloc(p, &reloc);
+                if (r) {
+                        DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
+                                        idx, reg);
+                        r100_cs_dump_packet(p, pkt);
+                        return r;
+                }
+                ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
+                break;
+        case 0x4be8:
+                /* valid register only on RV530 */
+                if (p->rdev->family == CHIP_RV530)
+                        break;
+                /* fallthrough do not move */
         default:
                 printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
                        reg, idx);