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authorAlex Deucher <alexander.deucher@amd.com>2012-07-31 11:01:10 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-08-26 15:00:42 -0700
commit75a757189880a31759ed25c23229f085890cddb1 (patch)
tree275e86bb52fabec05403e43b78cba02437ac3626
parente3d7a0f49568353837c51d0dbcd86cca8b7bc622 (diff)
downloadparrot-75a757189880a31759ed25c23229f085890cddb1.tar.gz
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 ba554bf9c8fb8..e5328da70f84f 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;