diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2012-06-01 00:53:36 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-06-01 16:36:31 +0200 |
| commit | 29d654067a98c1cb8874c774e5fd799a038af8a6 (patch) | |
| tree | caf59daf243217689b78d4086c74ace5bb2a23c2 /drivers/gpu/drm/radeon/rv770.c | |
| parent | drm/mgag200: kick off conflicting framebuffers earlier. (diff) | |
| download | linux-29d654067a98c1cb8874c774e5fd799a038af8a6.tar.xz linux-29d654067a98c1cb8874c774e5fd799a038af8a6.zip | |
drm/radeon: fix bank information in tiling config
While there are cards with more than 8 mem banks, the max
number of banks from a tiling perspective is 8, so cap
the tiling config at 8 banks.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=43448
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index c2f473bc13b8..c824d49305a4 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -689,8 +689,12 @@ static void rv770_gpu_init(struct radeon_device *rdev) if (rdev->family == CHIP_RV770) gb_tiling_config |= BANK_TILING(1); - else - gb_tiling_config |= BANK_TILING((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT); + else { + if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) + gb_tiling_config |= BANK_TILING(1); + else + gb_tiling_config |= BANK_TILING(0); + } rdev->config.rv770.tiling_nbanks = 4 << ((gb_tiling_config >> 4) & 0x3); gb_tiling_config |= GROUP_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT); if ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) |