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drm/radeon/kms: properly compute group_size on 6xx/7xx 

Needed for tiled surfaces.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-10-18 23:54:56 -04:00 committed by Dave Airlie
parent 354da65323
commit 881fe6c1d0
2 changed files with 10 additions and 6 deletions
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7
drivers/gpu/drm/radeon/r600.c
View File

@ -1608,8 +1608,11 @@ void r600_gpu_init(struct radeon_device *rdev)
rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
tiling_config |= GROUP_SIZE(0);
rdev->config.r600.tiling_group_size = 256;
tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
if ((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
rdev->config.r600.tiling_group_size = 512;
else
rdev->config.r600.tiling_group_size = 256;
tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
if (tmp > 3) {
tiling_config |= ROW_TILING(3);

9
drivers/gpu/drm/radeon/rv770.c
View File

@ -644,10 +644,11 @@ static void rv770_gpu_init(struct radeon_device *rdev)
else
gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3);
gb_tiling_config |= GROUP_SIZE(0);
rdev->config.rv770.tiling_group_size = 256;
gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
if ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT)
rdev->config.rv770.tiling_group_size = 512;
else
rdev->config.rv770.tiling_group_size = 256;
if (((mc_arb_ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT) > 3) {
gb_tiling_config |= ROW_TILING(3);
gb_tiling_config |= SAMPLE_SPLIT(3);