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authorAlex Deucher <alexdeucher@gmail.com>2010-10-18 23:54:56 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2010-12-09 13:32:21 -0800
commit3645e7665f285b51fbb5aa73a255b858abe72cfc (patch)
tree42571bb2b19499a0a320c5c44a747f1f62fb186d /drivers/gpu/drm/radeon/rv770.c
parentc350041047b0822fe971851debfd18d6deedcd4d (diff)
drm/radeon/kms: properly compute group_size on 6xx/7xx
commit 881fe6c1d06bf49f4ab7aef212cdaf66bd059614 upstream. Needed for tiled surfaces. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
-rw-r--r--drivers/gpu/drm/radeon/rv770.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 9490da700749..b88353d6ed2e 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -643,10 +643,11 @@ 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);