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drm/radeon: fix bank tiling parameters on cayman

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Handle the 16 bank case.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2012-07-31 11:05:11 -04:00
parent c8d15edc17
commit 5b23c9045a
1 changed files with 11 additions and 3 deletions
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14
drivers/gpu/drm/radeon/ni.c
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@ -574,10 +574,18 @@ static void cayman_gpu_init(struct radeon_device *rdev)
if (rdev->flags & RADEON_IS_IGP)
rdev->config.cayman.tile_config |= 1 << 4;
else {
if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
rdev->config.cayman.tile_config |= 1 << 4;
else
switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
case 0: /* four banks */
rdev->config.cayman.tile_config |= 0 << 4;
break;
case 1: /* eight banks */
rdev->config.cayman.tile_config |= 1 << 4;
break;
case 2: /* sixteen banks */
default:
rdev->config.cayman.tile_config |= 2 << 4;
break;
}
}
rdev->config.cayman.tile_config |=
((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;