diff options
| author | Jerome Glisse <jglisse@redhat.com> | 2012-04-17 16:51:38 -0400 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-04-19 14:37:42 +0100 |
| commit | dfc6ae5bd70d3a22a0e977943c31f6d55fc32820 (patch) | |
| tree | 48bf399247ccdbd4f9b6917fa52eee3c52f5c634 /drivers/gpu/drm/radeon/rv770.c | |
| parent | aef6a7eeac6fd867eda415f65a7f0247fb82baf4 (diff) | |
radeon: fix r600/agp when vram is after AGP (v3)
If AGP is placed in the middle, the size_af is off-by-one, it results
in VRAM being placed at 0x7fffffff instead of 0x8000000.
v2: fix the vram_start setup.
v3: also fix r7xx & newer ASIC
Reported-by: russiane39 on #radeon
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/rv770.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c index c62ae4be384..cdab1aeaed6 100644 --- a/drivers/gpu/drm/radeon/rv770.c +++ b/drivers/gpu/drm/radeon/rv770.c @@ -969,7 +969,7 @@ void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) } if (rdev->flags & RADEON_IS_AGP) { size_bf = mc->gtt_start; - size_af = 0xFFFFFFFF - mc->gtt_end + 1; + size_af = 0xFFFFFFFF - mc->gtt_end; if (size_bf > size_af) { if (mc->mc_vram_size > size_bf) { dev_warn(rdev->dev, "limiting VRAM\n"); @@ -983,7 +983,7 @@ void r700_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc) mc->real_vram_size = size_af; mc->mc_vram_size = size_af; } - mc->vram_start = mc->gtt_end; + mc->vram_start = mc->gtt_end + 1; } mc->vram_end = mc->vram_start + mc->mc_vram_size - 1; dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n", |