diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 43 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_render_state.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_lrc.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_overlay.c | 8 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_ringbuffer.c | 8 |
7 files changed, 31 insertions, 40 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 6446911077d0..b687e9f4dcf9 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -2887,9 +2887,9 @@ void i915_gem_init_swizzling(struct drm_device *dev); void i915_gem_cleanup_ringbuffer(struct drm_device *dev); int __must_check i915_gpu_idle(struct drm_device *dev); int __must_check i915_gem_suspend(struct drm_device *dev); -int __i915_add_request(struct intel_engine_cs *ring, - struct drm_file *file, - struct drm_i915_gem_object *batch_obj); +void __i915_add_request(struct intel_engine_cs *ring, + struct drm_file *file, + struct drm_i915_gem_object *batch_obj); #define i915_add_request(ring) \ __i915_add_request(ring, NULL, NULL) int __i915_wait_request(struct drm_i915_gem_request *req, diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index b9e0989063b4..23ee54dbc9c5 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1155,15 +1155,12 @@ i915_gem_check_wedge(struct i915_gpu_error *error, int i915_gem_check_olr(struct drm_i915_gem_request *req) { - int ret; - WARN_ON(!mutex_is_locked(&req->ring->dev->struct_mutex)); - ret = 0; if (req == req->ring->outstanding_lazy_request) - ret = i915_add_request(req->ring); + i915_add_request(req->ring); - return ret; + return 0; } static void fake_irq(unsigned long data) @@ -2466,9 +2463,14 @@ i915_gem_get_seqno(struct drm_device *dev, u32 *seqno) return 0; } -int __i915_add_request(struct intel_engine_cs *ring, - struct drm_file *file, - struct drm_i915_gem_object *obj) +/* + * NB: This function is not allowed to fail. Doing so would mean the the + * request is not being tracked for completion but the work itself is + * going to happen on the hardware. This would be a Bad Thing(tm). + */ +void __i915_add_request(struct intel_engine_cs *ring, + struct drm_file *file, + struct drm_i915_gem_object *obj) { struct drm_i915_private *dev_priv = ring->dev->dev_private; struct drm_i915_gem_request *request; @@ -2478,7 +2480,7 @@ int __i915_add_request(struct intel_engine_cs *ring, request = ring->outstanding_lazy_request; if (WARN_ON(request == NULL)) - return -ENOMEM; + return; if (i915.enable_execlists) { ringbuf = request->ctx->engine[ring->id].ringbuf; @@ -2500,15 +2502,12 @@ int __i915_add_request(struct intel_engine_cs *ring, * is that the flush _must_ happen before the next request, no matter * what. */ - if (i915.enable_execlists) { + if (i915.enable_execlists) ret = logical_ring_flush_all_caches(ringbuf, request->ctx); - if (ret) - return ret; - } else { + else ret = intel_ring_flush_all_caches(ring); - if (ret) - return ret; - } + /* Not allowed to fail! */ + WARN(ret, "*_ring_flush_all_caches failed: %d!\n", ret); /* Record the position of the start of the request so that * should we detect the updated seqno part-way through the @@ -2517,17 +2516,15 @@ int __i915_add_request(struct intel_engine_cs *ring, */ request->postfix = intel_ring_get_tail(ringbuf); - if (i915.enable_execlists) { + if (i915.enable_execlists) ret = ring->emit_request(ringbuf, request); - if (ret) - return ret; - } else { + else { ret = ring->add_request(ring); - if (ret) - return ret; request->tail = intel_ring_get_tail(ringbuf); } + /* Not allowed to fail! */ + WARN(ret, "emit|add_request failed: %d!\n", ret); request->head = request_start; @@ -2576,8 +2573,6 @@ int __i915_add_request(struct intel_engine_cs *ring, /* Sanity check that the reserved size was large enough. */ intel_ring_reserved_space_end(ringbuf); - - return 0; } static bool i915_context_is_banned(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 21f8eb659251..8ebc10d0527d 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1069,7 +1069,7 @@ i915_gem_execbuffer_retire_commands(struct drm_device *dev, ring->gpu_caches_dirty = true; /* Add a breadcrumb for the completion of the batch buffer */ - (void)__i915_add_request(ring, file, obj); + __i915_add_request(ring, file, obj); } static int diff --git a/drivers/gpu/drm/i915/i915_gem_render_state.c b/drivers/gpu/drm/i915/i915_gem_render_state.c index 521548a08578..ce4788ff3df5 100644 --- a/drivers/gpu/drm/i915/i915_gem_render_state.c +++ b/drivers/gpu/drm/i915/i915_gem_render_state.c @@ -173,7 +173,7 @@ int i915_gem_render_state_init(struct intel_engine_cs *ring) i915_vma_move_to_active(i915_gem_obj_to_ggtt(so.obj), ring); - ret = __i915_add_request(ring, NULL, so.obj); + __i915_add_request(ring, NULL, so.obj); /* __i915_add_request moves object to inactive if it fails */ out: i915_gem_render_state_fini(&so); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 7451f38b2ef8..5373b0d1068a 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1601,7 +1601,7 @@ static int intel_lr_context_render_state_init(struct intel_engine_cs *ring, i915_vma_move_to_active(i915_gem_obj_to_ggtt(so.obj), ring); - ret = __i915_add_request(ring, file, so.obj); + __i915_add_request(ring, file, so.obj); /* intel_logical_ring_add_request moves object to inactive if it * fails */ out: diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index 25c8ec697da1..e7534b946695 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -220,9 +220,7 @@ static int intel_overlay_do_wait_request(struct intel_overlay *overlay, WARN_ON(overlay->last_flip_req); i915_gem_request_assign(&overlay->last_flip_req, ring->outstanding_lazy_request); - ret = i915_add_request(ring); - if (ret) - return ret; + i915_add_request(ring); overlay->flip_tail = tail; ret = i915_wait_request(overlay->last_flip_req); @@ -291,7 +289,9 @@ static int intel_overlay_continue(struct intel_overlay *overlay, WARN_ON(overlay->last_flip_req); i915_gem_request_assign(&overlay->last_flip_req, ring->outstanding_lazy_request); - return i915_add_request(ring); + i915_add_request(ring); + + return 0; } static void intel_overlay_release_old_vid_tail(struct intel_overlay *overlay) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 0c2bf0ed633d..b48aea12acc4 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -2166,14 +2166,10 @@ static int intel_wrap_ring_buffer(struct intel_engine_cs *ring) int intel_ring_idle(struct intel_engine_cs *ring) { struct drm_i915_gem_request *req; - int ret; /* We need to add any requests required to flush the objects and ring */ - if (ring->outstanding_lazy_request) { - ret = i915_add_request(ring); - if (ret) - return ret; - } + if (ring->outstanding_lazy_request) + i915_add_request(ring); /* Wait upon the last request to be completed */ if (list_empty(&ring->request_list)) |