diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_object.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_object.c | 46 |
1 files changed, 36 insertions, 10 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c index 99a960a4f302..33e6c7a89c32 100644 --- a/drivers/gpu/drm/radeon/radeon_object.c +++ b/drivers/gpu/drm/radeon/radeon_object.c @@ -99,22 +99,39 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) rbo->placement.placement = rbo->placements; rbo->placement.busy_placement = rbo->placements; - if (domain & RADEON_GEM_DOMAIN_VRAM) + if (domain & RADEON_GEM_DOMAIN_VRAM) { + /* Try placing BOs which don't need CPU access outside of the + * CPU accessible part of VRAM + */ + if ((rbo->flags & RADEON_GEM_NO_CPU_ACCESS) && + rbo->rdev->mc.visible_vram_size < rbo->rdev->mc.real_vram_size) { + rbo->placements[c].fpfn = + rbo->rdev->mc.visible_vram_size >> PAGE_SHIFT; + rbo->placements[c++].flags = TTM_PL_FLAG_WC | + TTM_PL_FLAG_UNCACHED | + TTM_PL_FLAG_VRAM; + } + + rbo->placements[c].fpfn = 0; rbo->placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM; + } if (domain & RADEON_GEM_DOMAIN_GTT) { if (rbo->flags & RADEON_GEM_GTT_UC) { + rbo->placements[c].fpfn = 0; rbo->placements[c++].flags = 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].fpfn = 0; rbo->placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_TT; } else { + rbo->placements[c].fpfn = 0; rbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT; } @@ -122,30 +139,35 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) if (domain & RADEON_GEM_DOMAIN_CPU) { if (rbo->flags & RADEON_GEM_GTT_UC) { + rbo->placements[c].fpfn = 0; rbo->placements[c++].flags = 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].fpfn = 0; rbo->placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_SYSTEM; } else { + rbo->placements[c].fpfn = 0; rbo->placements[c++].flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_SYSTEM; } } - if (!c) + if (!c) { + rbo->placements[c].fpfn = 0; rbo->placements[c++].flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; + } rbo->placement.num_placement = c; rbo->placement.num_busy_placement = c; for (i = 0; i < c; ++i) { - rbo->placements[i].fpfn = 0; if ((rbo->flags & RADEON_GEM_CPU_ACCESS) && - (rbo->placements[i].flags & TTM_PL_FLAG_VRAM)) + (rbo->placements[i].flags & TTM_PL_FLAG_VRAM) && + !rbo->placements[i].fpfn) rbo->placements[i].lpfn = rbo->rdev->mc.visible_vram_size >> PAGE_SHIFT; else @@ -157,9 +179,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain) * improve fragmentation quality. * 512kb was measured as the most optimal number. */ - if (!((rbo->flags & RADEON_GEM_CPU_ACCESS) && - (rbo->placements[i].flags & TTM_PL_FLAG_VRAM)) && - rbo->tbo.mem.size > 512 * 1024) { + if (rbo->tbo.mem.size > 512 * 1024) { for (i = 0; i < c; i++) { rbo->placements[i].flags |= TTM_PL_FLAG_TOPDOWN; } @@ -743,8 +763,8 @@ int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo) { struct radeon_device *rdev; struct radeon_bo *rbo; - unsigned long offset, size; - int r; + unsigned long offset, size, lpfn; + int i, r; if (!radeon_ttm_bo_is_radeon_bo(bo)) return 0; @@ -761,7 +781,13 @@ int radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo) /* hurrah the memory is not visible ! */ radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_VRAM); - rbo->placements[0].lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT; + lpfn = rdev->mc.visible_vram_size >> PAGE_SHIFT; + for (i = 0; i < rbo->placement.num_placement; i++) { + /* Force into visible VRAM */ + if ((rbo->placements[i].flags & TTM_PL_FLAG_VRAM) && + (!rbo->placements[i].lpfn || rbo->placements[i].lpfn > lpfn)) + rbo->placements[i].lpfn = lpfn; + } r = ttm_bo_validate(bo, &rbo->placement, false, false); if (unlikely(r == -ENOMEM)) { radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT); |