summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2012-07-31 11:01:10 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-25 19:31:41 -0700
commit64f3c37a404cc213d89b2c6c453bd6d5e18c31ac (patch)
tree5bfa7d8a60ad1a9b0a8b92a248c92b72726f91cb
parentb2f0794b1ecb27a8aba6921a650aec0943d6637d (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>
-rw-r--r--drivers/gpu/drm/radeon/evergreen.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 7cada6889336..e98dc9c31d22 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1801,10 +1801,18 @@ 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 |= 0 << 8;
rdev->config.evergreen.tile_config |=