minigbm: add (*bo_flush) implementations
Let's take the flush and writeback steps in the driver unmap
functions and move them to the (*bo_flush) callback.
BUG=chromium:764871
TEST=gbmtest, mmap_test -g on eve
Change-Id: Iecccafc25642b120bc84f2d1b8538303c8ce36eb
Reviewed-on: https://chromium-review.googlesource.com/668219
Commit-Ready: Gurchetan Singh <gurchetansingh@chromium.org>
Tested-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Stéphane Marchesin <marcheu@chromium.org>
diff --git a/i915.c b/i915.c
index ef1b143..a16050f 100644
--- a/i915.c
+++ b/i915.c
@@ -476,13 +476,13 @@
return addr;
}
-static int i915_bo_unmap(struct bo *bo, struct map_info *data)
+static int i915_bo_flush(struct bo *bo, struct map_info *data)
{
struct i915_device *i915 = bo->drv->priv;
if (!i915->has_llc && bo->tiling == I915_TILING_NONE)
i915_clflush(data->addr, data->length);
- return munmap(data->addr, data->length);
+ return 0;
}
static uint32_t i915_resolve_format(uint32_t format, uint64_t usage)
@@ -512,7 +512,8 @@
.bo_destroy = drv_gem_bo_destroy,
.bo_import = i915_bo_import,
.bo_map = i915_bo_map,
- .bo_unmap = i915_bo_unmap,
+ .bo_unmap = drv_bo_munmap,
+ .bo_flush = i915_bo_flush,
.resolve_format = i915_resolve_format,
};