drm/radeon: Respect AGP cant_use_aperture flag.
Some AGP devices can't map the aperture, radeon needs to tell TTM this.
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 4c087c1..1227a97 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -133,6 +133,7 @@
man->gpu_offset = 0;
man->available_caching = TTM_PL_MASK_CACHING;
man->default_caching = TTM_PL_FLAG_CACHED;
+ man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | TTM_MEMTYPE_FLAG_CMA;
#if __OS_HAS_AGP
if (rdev->flags & RADEON_IS_AGP) {
if (!(drm_core_has_AGP(rdev->ddev) && rdev->ddev->agp)) {
@@ -143,8 +144,9 @@
man->io_offset = rdev->mc.agp_base;
man->io_size = rdev->mc.gtt_size;
man->io_addr = NULL;
- man->flags = TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |
- TTM_MEMTYPE_FLAG_MAPPABLE;
+ if (!rdev->ddev->agp->cant_use_aperture)
+ man->flags = TTM_MEMTYPE_FLAG_NEEDS_IOREMAP |
+ TTM_MEMTYPE_FLAG_MAPPABLE;
man->available_caching = TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_WC;
man->default_caching = TTM_PL_FLAG_WC;
@@ -154,8 +156,6 @@
man->io_offset = 0;
man->io_size = 0;
man->io_addr = NULL;
- man->flags = TTM_MEMTYPE_FLAG_MAPPABLE |
- TTM_MEMTYPE_FLAG_CMA;
}
break;
case TTM_PL_VRAM: