From c8d15edc17d836686d1f071e564800e1a2724fa6 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Tue, 31 Jul 2012 11:01:10 -0400 Subject: drm/radeon: fix bank tiling parameters on evergreen Handle the 16 bank case. Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org --- drivers/gpu/drm/radeon/evergreen.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index e585a3b947eb..f4ef24f11419 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1986,10 +1986,18 @@ 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 |= -- cgit v1.2.3