diff options
| author | Christian König <deathsimple@vodafone.de> | 2012-07-31 13:48:51 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2012-08-13 10:50:50 -0400 |
| commit | dca571a6a4edda1f61ba7ecb47431a22245490a3 (patch) | |
| tree | 0fdc726307dfe7084c8c8f07f4777b8601605f61 /drivers/gpu | |
| parent | 6c0ae2ab85fc4a95cae82047a7db1f688a7737ab (diff) | |
| download | linux-dca571a6a4edda1f61ba7ecb47431a22245490a3.tar.gz | |
drm/radeon: fix bank tiling parameters on SI
The sixteen bank case wasn't handled here, leading to GPU crashes because of userspace miscalculation. Signed-off-by: Christian König <deathsimple@vodafone.de> Cc: stable@vger.kernel.org Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index c053f8193771..c153a7f359c8 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -1639,11 +1639,19 @@ static void si_gpu_init(struct radeon_device *rdev) /* XXX what about 12? */ rdev->config.si.tile_config |= (3 << 0); break; - } - if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) - rdev->config.si.tile_config |= 1 << 4; - else + } + switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) { + case 0: /* four banks */ rdev->config.si.tile_config |= 0 << 4; + break; + case 1: /* eight banks */ + rdev->config.si.tile_config |= 1 << 4; + break; + case 2: /* sixteen banks */ + default: + rdev->config.si.tile_config |= 2 << 4; + break; + } rdev->config.si.tile_config |= ((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8; rdev->config.si.tile_config |= |