summaryrefslogtreecommitdiff
path: root/drivers/gpu
diff options
context:
space:
mode:
authorChris Wilson <chris@chris-wilson.co.uk>2020-04-06 14:48:21 +0300
committerRodrigo Vivi <rodrigo.vivi@intel.com>2020-04-06 20:31:38 +0300
commit1aaea8476d9f014667d2cb24819f9bcaf3ebb7a4 (patch)
treec33d1dbaf74806c27a5d413e776ed38ba183f2a5 /drivers/gpu
parent721017cf4bd8ea5e5d6295f90ea6d30bab577851 (diff)
downloadlinux-1aaea8476d9f014667d2cb24819f9bcaf3ebb7a4.tar.xz
drm/i915/gem: Flush all the reloc_gpu batch
__i915_gem_object_flush_map() takes a byte range, so feed it the written bytes and do not mistake the u32 index as bytes! Fixes: a679f58d0510 ("drm/i915: Flush pages on acquisition") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Matthew Auld <matthew.william.auld@gmail.com> Cc: <stable@vger.kernel.org> # v5.2+ Reviewed-by: Matthew Auld <matthew.william.auld@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200406114821.10949-1-chris@chris-wilson.co.uk (cherry picked from commit 30c88a47f1abd5744908d3681f54dcf823fe2a12) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index cb2c0a64f8b9..b7440f06c5e2 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -896,11 +896,13 @@ static inline struct i915_ggtt *cache_to_ggtt(struct reloc_cache *cache)
static void reloc_gpu_flush(struct reloc_cache *cache)
{
- GEM_BUG_ON(cache->rq_size >= cache->rq->batch->obj->base.size / sizeof(u32));
+ struct drm_i915_gem_object *obj = cache->rq->batch->obj;
+
+ GEM_BUG_ON(cache->rq_size >= obj->base.size / sizeof(u32));
cache->rq_cmd[cache->rq_size] = MI_BATCH_BUFFER_END;
- __i915_gem_object_flush_map(cache->rq->batch->obj, 0, cache->rq_size);
- i915_gem_object_unpin_map(cache->rq->batch->obj);
+ __i915_gem_object_flush_map(obj, 0, sizeof(u32) * (cache->rq_size + 1));
+ i915_gem_object_unpin_map(obj);
intel_gt_chipset_flush(cache->rq->engine->gt);