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, 3 insertions, 10 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 9ff6dcb97f9d..7693f7c67bd3 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -225,25 +225,18 @@ void radeon_invalid_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
 
 void radeon_register_accessor_init(struct radeon_device *rdev)
 {
-        rdev->mm_rreg = &r100_mm_rreg;
-        rdev->mm_wreg = &r100_mm_wreg;
         rdev->mc_rreg = &radeon_invalid_rreg;
         rdev->mc_wreg = &radeon_invalid_wreg;
         rdev->pll_rreg = &radeon_invalid_rreg;
         rdev->pll_wreg = &radeon_invalid_wreg;
-        rdev->pcie_rreg = &radeon_invalid_rreg;
-        rdev->pcie_wreg = &radeon_invalid_wreg;
         rdev->pciep_rreg = &radeon_invalid_rreg;
         rdev->pciep_wreg = &radeon_invalid_wreg;
 
         /* Don't change order as we are overridding accessor. */
         if (rdev->family < CHIP_RV515) {
-                rdev->pcie_rreg = &rv370_pcie_rreg;
-                rdev->pcie_wreg = &rv370_pcie_wreg;
-        }
-        if (rdev->family >= CHIP_RV515) {
-                rdev->pcie_rreg = &rv515_pcie_rreg;
-                rdev->pcie_wreg = &rv515_pcie_wreg;
+                rdev->pcie_reg_mask = 0xff;
+        } else {
+                rdev->pcie_reg_mask = 0x7ff;
         }
         /* FIXME: not sure here */
         if (rdev->family <= CHIP_R580) {