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authorAlex Deucher <alexdeucher@gmail.com>2009-09-25 10:06:39 -0400
committerDave Airlie <airlied@linux.ie>2009-09-26 07:48:58 +1000
commit974b16e33ea626c9854f0f34fa5455a18822e159 (patch)
treeb82c9598763a99a6499e1684520796c10b19dc9a /drivers/gpu
parent8ef8678c8f6131ca5941fa387cd3939c68c4f36d (diff)
drm/radeon/kms/r600: clamp vram to aperture size
r6xx and r7xx was missing this. We don't support non-CPU accessible vram yet. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/r600.c7
-rw-r--r--drivers/gpu/drm/radeon/rv770.c7
2 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 5f42fad1919..c7233ad5dd9 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -380,6 +380,13 @@ int r600_mc_init(struct radeon_device *rdev)
/* Setup GPU memory space */
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
+
+ if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+ rdev->mc.mc_vram_size = rdev->mc.aper_size;
+
+ if (rdev->mc.real_vram_size > rdev->mc.aper_size)
+ rdev->mc.real_vram_size = rdev->mc.aper_size;
+
if (rdev->flags & RADEON_IS_AGP) {
r = radeon_agp_init(rdev);
if (r)
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index b574c73a510..efca509b24f 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -801,6 +801,13 @@ int rv770_mc_init(struct radeon_device *rdev)
/* Setup GPU memory space */
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
+
+ if (rdev->mc.mc_vram_size > rdev->mc.aper_size)
+ rdev->mc.mc_vram_size = rdev->mc.aper_size;
+
+ if (rdev->mc.real_vram_size > rdev->mc.aper_size)
+ rdev->mc.real_vram_size = rdev->mc.aper_size;
+
if (rdev->flags & RADEON_IS_AGP) {
r = radeon_agp_init(rdev);
if (r)