diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2012-07-31 11:01:10 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-26 15:00:42 -0700 |
| commit | 75a757189880a31759ed25c23229f085890cddb1 (patch) | |
| tree | 275e86bb52fabec05403e43b78cba02437ac3626 /drivers/gpu | |
| parent | e3d7a0f49568353837c51d0dbcd86cca8b7bc622 (diff) | |
drm/radeon: fix bank tiling parameters on evergreen
commit c8d15edc17d836686d1f071e564800e1a2724fa6 upstream.
Handle the 16 bank case.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/evergreen.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index ba554bf9c8f..e5328da70f8 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -2085,10 +2085,18 @@ static void evergreen_gpu_init(struct radeon_device *rdev) if (rdev->flags & RADEON_IS_IGP) rdev->config.evergreen.tile_config |= 1 << 4; else { - if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) - rdev->config.evergreen.tile_config |= 1 << 4; - else + switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) { + case 0: /* four banks */ rdev->config.evergreen.tile_config |= 0 << 4; + break; + case 1: /* eight banks */ + rdev->config.evergreen.tile_config |= 1 << 4; + break; + case 2: /* sixteen banks */ + default: + rdev->config.evergreen.tile_config |= 2 << 4; + break; + } } rdev->config.evergreen.tile_config |= ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8; |