diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-07 20:34:22 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2010-12-07 20:34:22 +0000 |
| commit | 537703fd4805e9cd352965fce642670986822d22 (patch) | |
| tree | 15095144b870763e11c837390b4bc2a63875f208 /intel | |
| parent | 39e5e982242cd2b611a9dfc1e9b63f857d52da61 (diff) | |
intel: Reorder need_fence vs fenced_command to avoid fences on gen4
gen4+ hardware doesn't use fences for GPU access and the older kernel
doesn't expect userspace to make such a mistake. So don't.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=32190
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'intel')
| -rw-r--r-- | intel/intel_bufmgr_gem.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c index 797dcb3f..c5bb5885 100644 --- a/intel/intel_bufmgr_gem.c +++ b/intel/intel_bufmgr_gem.c @@ -1303,7 +1303,7 @@ do_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset, drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; drm_intel_bo_gem *target_bo_gem = (drm_intel_bo_gem *) target_bo; - int fenced_command = need_fence; + int fenced_command; if (bo_gem->has_error) return -ENOMEM; @@ -1313,13 +1313,14 @@ do_bo_emit_reloc(drm_intel_bo *bo, uint32_t offset, return -ENOMEM; } - if (target_bo_gem->tiling_mode == I915_TILING_NONE) - need_fence = 0; - /* We never use HW fences for rendering on 965+ */ if (bufmgr_gem->gen >= 4) need_fence = 0; + fenced_command = need_fence; + if (target_bo_gem->tiling_mode == I915_TILING_NONE) + need_fence = 0; + /* Create a new relocation list if needed */ if (bo_gem->relocs == NULL && drm_intel_setup_reloc_list(bo)) return -ENOMEM; |