From: Chris Wilson Date: Mon, 15 Aug 2016 09:48:59 +0000 (+0100) Subject: drm/i915: Move common scratch allocation/destroy to intel_engine_cs.c X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=adc320c4b70916c7bed1420c912b83eb0c2b2c24;p=linux-beck.git drm/i915: Move common scratch allocation/destroy to intel_engine_cs.c Since the scratch allocation and cleanup is shared by all engine submission backends, move it out of the legacy intel_ringbuffer.c and into the new home for common routines, intel_engine_cs.c Signed-off-by: Chris Wilson Reviewed-by: Matthew Auld Reviewed-by: Joonas Lahtinen Link: http://patchwork.freedesktop.org/patch/msgid/1471254551-25805-20-git-send-email-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 186c12d07f99..7104dec5e893 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -195,6 +195,54 @@ void intel_engine_setup_common(struct intel_engine_cs *engine) i915_gem_batch_pool_init(engine, &engine->batch_pool); } +int intel_engine_create_scratch(struct intel_engine_cs *engine, int size) +{ + struct drm_i915_gem_object *obj; + struct i915_vma *vma; + int ret; + + WARN_ON(engine->scratch); + + obj = i915_gem_object_create_stolen(&engine->i915->drm, size); + if (!obj) + obj = i915_gem_object_create(&engine->i915->drm, size); + if (IS_ERR(obj)) { + DRM_ERROR("Failed to allocate scratch page\n"); + return PTR_ERR(obj); + } + + vma = i915_vma_create(obj, &engine->i915->ggtt.base, NULL); + if (IS_ERR(vma)) { + ret = PTR_ERR(vma); + goto err_unref; + } + + ret = i915_vma_pin(vma, 0, 4096, PIN_GLOBAL | PIN_HIGH); + if (ret) + goto err_unref; + + engine->scratch = vma; + DRM_DEBUG_DRIVER("%s pipe control offset: 0x%08llx\n", + engine->name, vma->node.start); + return 0; + +err_unref: + i915_gem_object_put(obj); + return ret; +} + +static void intel_engine_cleanup_scratch(struct intel_engine_cs *engine) +{ + struct i915_vma *vma; + + vma = fetch_and_zero(&engine->scratch); + if (!vma) + return; + + i915_vma_unpin(vma); + i915_vma_put(vma); +} + /** * intel_engines_init_common - initialize cengine state which might require hw access * @engine: Engine to initialize. @@ -226,6 +274,8 @@ int intel_engine_init_common(struct intel_engine_cs *engine) */ void intel_engine_cleanup_common(struct intel_engine_cs *engine) { + intel_engine_cleanup_scratch(engine); + intel_engine_cleanup_cmd_parser(engine); intel_engine_fini_breadcrumbs(engine); i915_gem_batch_pool_fini(&engine->batch_pool); diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index 42999ba02152..56c904e2dc98 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -1844,7 +1844,6 @@ int logical_render_ring_init(struct intel_engine_cs *engine) else engine->init_hw = gen8_init_render_ring; engine->init_context = gen8_init_rcs_context; - engine->cleanup = intel_engine_cleanup_scratch; engine->emit_flush = gen8_emit_flush_render; engine->emit_request = gen8_emit_request_render; diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 7ce912f8d96c..c89aea55bc10 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -613,54 +613,6 @@ out: return ret; } -void intel_engine_cleanup_scratch(struct intel_engine_cs *engine) -{ - struct i915_vma *vma; - - vma = fetch_and_zero(&engine->scratch); - if (!vma) - return; - - i915_vma_unpin(vma); - i915_vma_put(vma); -} - -int intel_engine_create_scratch(struct intel_engine_cs *engine, int size) -{ - struct drm_i915_gem_object *obj; - struct i915_vma *vma; - int ret; - - WARN_ON(engine->scratch); - - obj = i915_gem_object_create_stolen(&engine->i915->drm, size); - if (!obj) - obj = i915_gem_object_create(&engine->i915->drm, size); - if (IS_ERR(obj)) { - DRM_ERROR("Failed to allocate scratch page\n"); - return PTR_ERR(obj); - } - - vma = i915_vma_create(obj, &engine->i915->ggtt.base, NULL); - if (IS_ERR(vma)) { - ret = PTR_ERR(vma); - goto err_unref; - } - - ret = i915_vma_pin(vma, 0, 4096, PIN_GLOBAL | PIN_HIGH); - if (ret) - goto err_unref; - - engine->scratch = vma; - DRM_DEBUG_DRIVER("%s pipe control offset: 0x%08llx\n", - engine->name, vma->node.start); - return 0; - -err_unref: - i915_gem_object_put(obj); - return ret; -} - static int intel_ring_workarounds_emit(struct drm_i915_gem_request *req) { struct intel_ring *ring = req->ring; @@ -1311,8 +1263,6 @@ static void render_ring_cleanup(struct intel_engine_cs *engine) i915_gem_object_put(dev_priv->semaphore_obj); dev_priv->semaphore_obj = NULL; } - - intel_engine_cleanup_scratch(engine); } static int gen8_rcs_signal(struct drm_i915_gem_request *req) diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index c6024db75f93..dca84258be16 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -472,11 +472,9 @@ void intel_ring_update_space(struct intel_ring *ring); void intel_engine_init_seqno(struct intel_engine_cs *engine, u32 seqno); -int intel_engine_create_scratch(struct intel_engine_cs *engine, int size); -void intel_engine_cleanup_scratch(struct intel_engine_cs *engine); - void intel_engine_setup_common(struct intel_engine_cs *engine); int intel_engine_init_common(struct intel_engine_cs *engine); +int intel_engine_create_scratch(struct intel_engine_cs *engine, int size); void intel_engine_cleanup_common(struct intel_engine_cs *engine); static inline int intel_engine_idle(struct intel_engine_cs *engine,