drm/radeon/kms: force pinning buffer into visible VRAM
This patch properly set visible VRAM and enforce any pinned buffer
to be into visible VRAM. We might later add a flag to release this
constraint for some newer hw more clever than previous.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 1fdd793..91eb762 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1958,9 +1958,12 @@
u64 config_aper_size;
/* work out accessible VRAM */
- rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+ rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
+ /* FIXME we don't use the second aperture yet when we could use it */
+ if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
+ rdev->mc.visible_vram_size = rdev->mc.aper_size;
config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
if (rdev->flags & RADEON_IS_IGP) {
uint32_t tom;