diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_object.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 6c717b257d6d..1b05a4de5c0a 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -114,15 +114,23 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM; if (domain & RADEON_GEM_DOMAIN_GTT) { - if (rbo->rdev->flags & RADEON_IS_AGP) { - rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT; + if (rbo->flags & RADEON_GEM_GTT_UC) { + rbo->placements[c++] = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_TT; + } else if ((rbo->flags & RADEON_GEM_GTT_WC) || + (rbo->rdev->flags & RADEON_IS_AGP)) { + rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | + TTM_PL_FLAG_TT; } else { rbo->placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT; } } if (domain & RADEON_GEM_DOMAIN_CPU) { - if (rbo->rdev->flags & RADEON_IS_AGP) { - rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_SYSTEM; + if (rbo->flags & RADEON_GEM_GTT_UC) { + rbo->placements[c++] = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_SYSTEM; + } else if ((rbo->flags & RADEON_GEM_GTT_WC) || + rbo->rdev->flags & RADEON_IS_AGP) { + rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | + TTM_PL_FLAG_SYSTEM; } else { rbo->placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_SYSTEM; } @@ -146,7 +154,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) int radeon_bo_create(struct radeon_device *rdev, unsigned long size, int byte_align, bool kernel, u32 domain, - struct sg_table *sg, struct radeon_bo **bo_ptr) + u32 flags, struct sg_table *sg, struct radeon_bo **bo_ptr) { struct radeon_bo *bo; enum ttm_bo_type type; @@ -183,6 +191,12 @@ int radeon_bo_create(struct radeon_device *rdev, bo->initial_domain = domain & (RADEON_GEM_DOMAIN_VRAM | RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_CPU); + + bo->flags = flags; + /* PCI GART is always snooped */ + if (!(rdev->flags & RADEON_IS_PCIE)) + bo->flags &= ~(RADEON_GEM_GTT_WC | RADEON_GEM_GTT_UC); + radeon_ttm_placement_from_domain(bo, domain); /* Kernel allocation are uninterruptible */ down_read(&rdev->pm.mclk_lock); |