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authorAlex Deucher <alexander.deucher@amd.com>2012-07-31 11:01:10 -0400
committerBen Hutchings <ben@decadent.org.uk>2012-08-19 18:15:36 +0100
commite2caf135815a7f3e27ebe8a621a2c0dab2cf91ad (patch)
tree2a708532609cae36bc26de07cf89de19a0ac17b2
parentb2ef34da747ee998a41e6b081987480777b7c23a (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: Ben Hutchings <ben@decadent.org.uk>
-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 931f4dfe33de..3fdbdd18de33 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2080,10 +2080,18 @@ 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;