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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2018-07-06 11:39:43 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2018-07-06 18:22:36 +0100 |
| commit | 6dd7526f6f6c73961eecec8a4b9b717d414010f8 (patch) | |
| tree | a0fe44aa77b07f5e7a6b4c278ce6de700276a92e /drivers/gpu/drm/i915/i915_gem.c | |
| parent | da99fe5f858525b0eac5a5296bba5d6bedb81abd (diff) | |
| download | linux-stable-6dd7526f6f6c73961eecec8a4b9b717d414010f8.tar.gz linux-stable-6dd7526f6f6c73961eecec8a4b9b717d414010f8.tar.bz2 linux-stable-6dd7526f6f6c73961eecec8a4b9b717d414010f8.zip | |
drm/i915: Export i915_request_skip()
In the next patch, we will want to start skipping requests on failing to
complete their payloads. So export the utility function current used to
make requests inoperable following a failed gpu reset.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180706103947.15919-2-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 25 |
1 files changed, 3 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index be63e8bbb6d2..2e05cf114083 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3085,25 +3085,6 @@ int i915_gem_reset_prepare(struct drm_i915_private *dev_priv) return err; } -static void skip_request(struct i915_request *request) -{ - void *vaddr = request->ring->vaddr; - u32 head; - - /* As this request likely depends on state from the lost - * context, clear out all the user operations leaving the - * breadcrumb at the end (so we get the fence notifications). - */ - head = request->head; - if (request->postfix < head) { - memset(vaddr + head, 0, request->ring->size - head); - head = 0; - } - memset(vaddr + head, 0, request->postfix - head); - - dma_fence_set_error(&request->fence, -EIO); -} - static void engine_skip_context(struct i915_request *request) { struct intel_engine_cs *engine = request->engine; @@ -3118,10 +3099,10 @@ static void engine_skip_context(struct i915_request *request) list_for_each_entry_continue(request, &engine->timeline.requests, link) if (request->gem_context == hung_ctx) - skip_request(request); + i915_request_skip(request, -EIO); list_for_each_entry(request, &timeline->requests, link) - skip_request(request); + i915_request_skip(request, -EIO); spin_unlock(&timeline->lock); spin_unlock_irqrestore(&engine->timeline.lock, flags); @@ -3164,7 +3145,7 @@ i915_gem_reset_request(struct intel_engine_cs *engine, if (stalled) { i915_gem_context_mark_guilty(request->gem_context); - skip_request(request); + i915_request_skip(request, -EIO); /* If this context is now banned, skip all pending requests. */ if (i915_gem_context_is_banned(request->gem_context)) |