#include "intel_ringbuffer.h"
#include "intel_lrc.h"
#include "i915_gem_gtt.h"
+#include "i915_gem_render_state.h"
#include <linux/io-mapping.h>
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
} legacy_hw_ctx;
/* Execlists */
+ bool rcs_initialized;
struct {
struct drm_i915_gem_object *state;
struct intel_ringbuffer *ringbuf;
int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
struct drm_file *file);
-/* i915_gem_render_state.c */
-int i915_gem_render_state_init(struct intel_engine_cs *ring);
/* i915_gem_evict.c */
int __must_check i915_gem_evict_something(struct drm_device *dev,
struct i915_address_space *vm,
#include "i915_drv.h"
#include "intel_renderstate.h"
-struct render_state {
- const struct intel_renderstate_rodata *rodata;
- struct drm_i915_gem_object *obj;
- u64 ggtt_offset;
- int gen;
-};
-
static const struct intel_renderstate_rodata *
render_state_get_rodata(struct drm_device *dev, const int gen)
{
return 0;
}
-static void render_state_fini(struct render_state *so)
+void i915_gem_render_state_fini(struct render_state *so)
{
i915_gem_object_ggtt_unpin(so->obj);
drm_gem_object_unreference(&so->obj->base);
}
-int i915_gem_render_state_init(struct intel_engine_cs *ring)
+int i915_gem_render_state_prepare(struct intel_engine_cs *ring,
+ struct render_state *so)
{
- struct render_state so;
int ret;
if (WARN_ON(ring->id != RCS))
return -ENOENT;
- ret = render_state_init(&so, ring->dev);
+ ret = render_state_init(so, ring->dev);
if (ret)
return ret;
- if (so.rodata == NULL)
+ if (so->rodata == NULL)
return 0;
- ret = render_state_setup(&so);
+ ret = render_state_setup(so);
+ if (ret) {
+ i915_gem_render_state_fini(so);
+ return ret;
+ }
+
+ return 0;
+}
+
+int i915_gem_render_state_init(struct intel_engine_cs *ring)
+{
+ struct render_state so;
+ int ret;
+
+ ret = i915_gem_render_state_prepare(ring, &so);
if (ret)
- goto out;
+ return ret;
+
+ if (so.rodata == NULL)
+ return 0;
ret = ring->dispatch_execbuffer(ring,
so.ggtt_offset,
ret = __i915_add_request(ring, NULL, so.obj, NULL);
/* __i915_add_request moves object to inactive if it fails */
out:
- render_state_fini(&so);
+ i915_gem_render_state_fini(&so);
return ret;
}
--- /dev/null
+/*
+ * Copyright © 2014 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _I915_GEM_RENDER_STATE_H_
+#define _I915_GEM_RENDER_STATE_H_
+
+#include <linux/types.h>
+
+struct intel_renderstate_rodata {
+ const u32 *reloc;
+ const u32 *batch;
+ const u32 batch_items;
+};
+
+struct render_state {
+ const struct intel_renderstate_rodata *rodata;
+ struct drm_i915_gem_object *obj;
+ u64 ggtt_offset;
+ int gen;
+};
+
+int i915_gem_render_state_init(struct intel_engine_cs *ring);
+void i915_gem_render_state_fini(struct render_state *so);
+int i915_gem_render_state_prepare(struct intel_engine_cs *ring,
+ struct render_state *so);
+
+#endif /* _I915_GEM_RENDER_STATE_H_ */
static int logical_ring_init(struct drm_device *dev, struct intel_engine_cs *ring)
{
int ret;
- struct intel_context *dctx = ring->default_context;
- struct drm_i915_gem_object *dctx_obj;
/* Intentionally left blank. */
ring->buffer = NULL;
spin_lock_init(&ring->execlist_lock);
ring->next_context_status_buffer = 0;
- ret = intel_lr_context_deferred_create(dctx, ring);
- if (ret)
- return ret;
-
- /* The status page is offset 0 from the context object in LRCs. */
- dctx_obj = dctx->engine[ring->id].state;
- ring->status_page.gfx_addr = i915_gem_obj_ggtt_offset(dctx_obj);
- ring->status_page.page_addr = kmap(sg_page(dctx_obj->pages->sgl));
- if (ring->status_page.page_addr == NULL)
- return -ENOMEM;
- ring->status_page.obj = dctx_obj;
-
ret = i915_cmd_parser_init_ring(ring);
if (ret)
return ret;
return ret;
}
- return 0;
+ ret = intel_lr_context_deferred_create(ring->default_context, ring);
+
+ return ret;
}
static int logical_render_ring_init(struct drm_device *dev)
return ret;
}
+int intel_lr_context_render_state_init(struct intel_engine_cs *ring,
+ struct intel_context *ctx)
+{
+ struct intel_ringbuffer *ringbuf = ctx->engine[ring->id].ringbuf;
+ struct render_state so;
+ struct drm_i915_file_private *file_priv = ctx->file_priv;
+ struct drm_file *file = file_priv ? file_priv->file : NULL;
+ int ret;
+
+ ret = i915_gem_render_state_prepare(ring, &so);
+ if (ret)
+ return ret;
+
+ if (so.rodata == NULL)
+ return 0;
+
+ ret = ring->emit_bb_start(ringbuf,
+ so.ggtt_offset,
+ I915_DISPATCH_SECURE);
+ if (ret)
+ goto out;
+
+ i915_vma_move_to_active(i915_gem_obj_to_ggtt(so.obj), ring);
+
+ ret = __i915_add_request(ring, file, so.obj, NULL);
+ /* intel_logical_ring_add_request moves object to inactive if it
+ * fails */
+out:
+ i915_gem_render_state_fini(&so);
+ return ret;
+}
+
static int
populate_lr_context(struct intel_context *ctx, struct drm_i915_gem_object *ctx_obj,
struct intel_engine_cs *ring, struct intel_ringbuffer *ringbuf)
ctx->engine[ring->id].ringbuf = ringbuf;
ctx->engine[ring->id].state = ctx_obj;
+ if (ctx == ring->default_context) {
+ /* The status page is offset 0 from the default context object
+ * in LRC mode. */
+ ring->status_page.gfx_addr = i915_gem_obj_ggtt_offset(ctx_obj);
+ ring->status_page.page_addr =
+ kmap(sg_page(ctx_obj->pages->sgl));
+ if (ring->status_page.page_addr == NULL)
+ return -ENOMEM;
+ ring->status_page.obj = ctx_obj;
+ }
+
+ if (ring->id == RCS && !ctx->rcs_initialized) {
+ ret = intel_lr_context_render_state_init(ring, ctx);
+ if (ret) {
+ DRM_ERROR("Init render state failed: %d\n", ret);
+ ctx->engine[ring->id].ringbuf = NULL;
+ ctx->engine[ring->id].state = NULL;
+ intel_destroy_ringbuffer_obj(ringbuf);
+ goto error;
+ }
+ ctx->rcs_initialized = true;
+ }
+
return 0;
error:
int intel_logical_ring_begin(struct intel_ringbuffer *ringbuf, int num_dwords);
/* Logical Ring Contexts */
+int intel_lr_context_render_state_init(struct intel_engine_cs *ring,
+ struct intel_context *ctx);
void intel_lr_context_free(struct intel_context *ctx);
int intel_lr_context_deferred_create(struct intel_context *ctx,
struct intel_engine_cs *ring);
#ifndef _INTEL_RENDERSTATE_H
#define _INTEL_RENDERSTATE_H
-#include <linux/types.h>
-
-struct intel_renderstate_rodata {
- const u32 *reloc;
- const u32 *batch;
- const u32 batch_items;
-};
+#include "i915_drv.h"
extern const struct intel_renderstate_rodata gen6_null_state;
extern const struct intel_renderstate_rodata gen7_null_state;
projects / openwrt / staging / blogic.git / commitdiff