diff options
| author | Christian König <deathsimple@vodafone.de> | 2012-07-31 13:48:51 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-25 19:31:41 -0700 |
| commit | b2f0794b1ecb27a8aba6921a650aec0943d6637d (patch) | |
| tree | af4786b389f4e73c4b57d5ff62684ca06fb44b08 | |
| parent | c66ff09806c855f86dcd5af1f8a798d52867800e (diff) | |
drm/radeon: fix bank tiling parameters on SI
commit dca571a6a4edda1f61ba7ecb47431a22245490a3 upstream.
The sixteen bank case wasn't handled here, leading to GPU
crashes because of userspace miscalculation.
Signed-off-by: Christian König <deathsimple@vodafone.de>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/gpu/drm/radeon/si.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index 0b0279291a73..bb9ea23cadaa 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -1640,10 +1640,18 @@ static void si_gpu_init(struct radeon_device *rdev) 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 |= |