From: Alex Deucher <alexdeucher@gmail.com>
To: airlied@gmail.com, dri-devel@lists.freedesktop.org
Subject: [PATCH 1/2] drm/radeon/kms: properly set num banks for fusion asics
Date: Fri, 20 May 2011 12:35:22 -0400 [thread overview]
Message-ID: <1305909323-22051-1-git-send-email-alexdeucher@gmail.com> (raw)
Needed by userspace for 2D tiled buffer alignment
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
---
drivers/gpu/drm/radeon/evergreen.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 296e6ec..7c37638 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1936,8 +1936,12 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
rdev->config.evergreen.tile_config |= (3 << 0);
break;
}
- rdev->config.evergreen.tile_config |=
- ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
+ /* num banks is 8 on all fusion asics */
+ if (rdev->flags & RADEON_IS_IGP)
+ rdev->config.evergreen.tile_config |= 8 << 4;
+ else
+ rdev->config.evergreen.tile_config |=
+ ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
rdev->config.evergreen.tile_config |=
((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8;
rdev->config.evergreen.tile_config |=
--
1.7.1.1
next reply other threads:[~2011-05-20 16:35 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-20 16:35 Alex Deucher [this message]
2011-05-20 16:35 ` [PATCH 2/2] drm/radeon/kms: bump kms version number Alex Deucher
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