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-rw-r--r--drivers/gpu/drm/radeon/r600.c7
-rw-r--r--drivers/gpu/drm/radeon/rv770.c9
2 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 83ba9644dcb..33952a12f0a 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -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);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index ab83f688263..245374e2b77 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -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);