drm/radeon/kms: cut down indirects in register accesses.

We really don't want to be doing all these indirects, updating
the GPU gart table is something we do often so the less overhead the
better.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 1 insertions, 22 deletions

diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 8594486e162..c47579dcafa 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
  */