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

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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>
This commit is contained in:
Dave Airlie 2009-08-12 18:43:14 +10:00
parent 7ed220d738
commit de1b28989e
5 changed files with 47 additions and 79 deletions
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13
drivers/gpu/drm/radeon/radeon_device.c
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@ -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) {