struct vmw_resource res;
};
+
+
+typedef int (*vmw_scrub_func)(struct vmw_ctx_bindinfo *);
+
static void vmw_user_context_free(struct vmw_resource *res);
static struct vmw_resource *
vmw_user_context_base_to_res(struct ttm_base_object *base);
bool readback,
struct ttm_validate_buffer *val_buf);
static int vmw_gb_context_destroy(struct vmw_resource *res);
+static int vmw_context_scrub_shader(struct vmw_ctx_bindinfo *bi);
+static int vmw_context_scrub_render_target(struct vmw_ctx_bindinfo *bi);
+static int vmw_context_scrub_texture(struct vmw_ctx_bindinfo *bi);
static uint64_t vmw_user_context_size;
.unbind = vmw_gb_context_unbind
};
+static const vmw_scrub_func vmw_scrub_funcs[vmw_ctx_binding_max] = {
+ [vmw_ctx_binding_shader] = vmw_context_scrub_shader,
+ [vmw_ctx_binding_rt] = vmw_context_scrub_render_target,
+ [vmw_ctx_binding_tex] = vmw_context_scrub_texture };
+
/**
* Context management:
*/
return ret;
}
+
+/**
+ * vmw_context_scrub_shader - scrub a shader binding from a context.
+ *
+ * @bi: single binding information.
+ */
+static int vmw_context_scrub_shader(struct vmw_ctx_bindinfo *bi)
+{
+ struct vmw_private *dev_priv = bi->ctx->dev_priv;
+ struct {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdSetShader body;
+ } *cmd;
+
+ cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
+ if (unlikely(cmd == NULL)) {
+ DRM_ERROR("Failed reserving FIFO space for shader "
+ "unbinding.\n");
+ return -ENOMEM;
+ }
+
+ cmd->header.id = SVGA_3D_CMD_SET_SHADER;
+ cmd->header.size = sizeof(cmd->body);
+ cmd->body.cid = bi->ctx->id;
+ cmd->body.type = bi->i1.shader_type;
+ cmd->body.shid = SVGA3D_INVALID_ID;
+ vmw_fifo_commit(dev_priv, sizeof(*cmd));
+
+ return 0;
+}
+
+/**
+ * vmw_context_scrub_render_target - scrub a render target binding
+ * from a context.
+ *
+ * @bi: single binding information.
+ */
+static int vmw_context_scrub_render_target(struct vmw_ctx_bindinfo *bi)
+{
+ struct vmw_private *dev_priv = bi->ctx->dev_priv;
+ struct {
+ SVGA3dCmdHeader header;
+ SVGA3dCmdSetRenderTarget body;
+ } *cmd;
+
+ cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
+ if (unlikely(cmd == NULL)) {
+ DRM_ERROR("Failed reserving FIFO space for render target "
+ "unbinding.\n");
+ return -ENOMEM;
+ }
+
+ cmd->header.id = SVGA_3D_CMD_SETRENDERTARGET;
+ cmd->header.size = sizeof(cmd->body);
+ cmd->body.cid = bi->ctx->id;
+ cmd->body.type = bi->i1.rt_type;
+ cmd->body.target.sid = SVGA3D_INVALID_ID;
+ cmd->body.target.face = 0;
+ cmd->body.target.mipmap = 0;
+ vmw_fifo_commit(dev_priv, sizeof(*cmd));
+
+ return 0;
+}
+
+/**
+ * vmw_context_scrub_texture - scrub a texture binding from a context.
+ *
+ * @bi: single binding information.
+ *
+ * TODO: Possibly complement this function with a function that takes
+ * a list of texture bindings and combines them to a single command.
+ */
+static int vmw_context_scrub_texture(struct vmw_ctx_bindinfo *bi)
+{
+ struct vmw_private *dev_priv = bi->ctx->dev_priv;
+ struct {
+ SVGA3dCmdHeader header;
+ struct {
+ SVGA3dCmdSetTextureState c;
+ SVGA3dTextureState s1;
+ } body;
+ } *cmd;
+
+ cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd));
+ if (unlikely(cmd == NULL)) {
+ DRM_ERROR("Failed reserving FIFO space for texture "
+ "unbinding.\n");
+ return -ENOMEM;
+ }
+
+
+ cmd->header.id = SVGA_3D_CMD_SETTEXTURESTATE;
+ cmd->header.size = sizeof(cmd->body);
+ cmd->body.c.cid = bi->ctx->id;
+ cmd->body.s1.stage = bi->i1.texture_stage;
+ cmd->body.s1.name = SVGA3D_TS_BIND_TEXTURE;
+ cmd->body.s1.value = (uint32) SVGA3D_INVALID_ID;
+ vmw_fifo_commit(dev_priv, sizeof(*cmd));
+
+ return 0;
+}
+
+/**
+ * vmw_context_binding_drop: Stop tracking a context binding
+ *
+ * @cb: Pointer to binding tracker storage.
+ *
+ * Stops tracking a context binding, and re-initializes its storage.
+ * Typically used when the context binding is replaced with a binding to
+ * another (or the same, for that matter) resource.
+ */
+static void vmw_context_binding_drop(struct vmw_ctx_binding *cb)
+{
+ list_del(&cb->ctx_list);
+ cb->bi.ctx = NULL;
+}
+
+/**
+ * vmw_context_binding_add: Start tracking a context binding
+ *
+ * @cbs: Pointer to the context binding state tracker.
+ * @bi: Information about the binding to track.
+ *
+ * Performs basic checks on the binding to make sure arguments are within
+ * bounds and then starts tracking the binding in the context binding
+ * state structure @cbs.
+ */
+int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs,
+ const struct vmw_ctx_bindinfo *bi)
+{
+ struct vmw_ctx_binding *loc;
+
+ switch (bi->bt) {
+ case vmw_ctx_binding_rt:
+ if (unlikely((unsigned)bi->i1.rt_type >= SVGA3D_RT_MAX)) {
+ DRM_ERROR("Illegal render target type %u.\n",
+ (unsigned) bi->i1.rt_type);
+ return -EINVAL;
+ }
+ loc = &cbs->render_targets[bi->i1.rt_type];
+ break;
+ case vmw_ctx_binding_tex:
+ if (unlikely((unsigned)bi->i1.texture_stage >=
+ SVGA3D_NUM_TEXTURE_UNITS)) {
+ DRM_ERROR("Illegal texture/sampler unit %u.\n",
+ (unsigned) bi->i1.texture_stage);
+ return -EINVAL;
+ }
+ loc = &cbs->texture_units[bi->i1.texture_stage];
+ break;
+ case vmw_ctx_binding_shader:
+ if (unlikely((unsigned)bi->i1.shader_type >=
+ SVGA3D_SHADERTYPE_MAX)) {
+ DRM_ERROR("Illegal shader type %u.\n",
+ (unsigned) bi->i1.shader_type);
+ return -EINVAL;
+ }
+ loc = &cbs->shaders[bi->i1.shader_type];
+ break;
+ default:
+ BUG();
+ }
+
+ if (loc->bi.ctx != NULL)
+ vmw_context_binding_drop(loc);
+
+ loc->bi = *bi;
+ list_add_tail(&loc->ctx_list, &cbs->list);
+
+ return 0;
+}
+
+/**
+ * vmw_context_binding_kill - Kill a binding on the device
+ * and stop tracking it.
+ *
+ * @cb: Pointer to binding tracker storage.
+ *
+ * Emits FIFO commands to scrub a binding represented by @cb.
+ * Then stops tracking the binding and re-initializes its storage.
+ */
+void vmw_context_binding_kill(struct vmw_ctx_binding *cb)
+{
+ (void) vmw_scrub_funcs[cb->bi.bt](&cb->bi);
+ vmw_context_binding_drop(cb);
+}
+
+/**
+ * vmw_context_binding_state_kill - Kill all bindings associated with a
+ * struct vmw_ctx_binding state structure, and re-initialize the structure.
+ *
+ * @cbs: Pointer to the context binding state tracker.
+ *
+ * Emits commands to scrub all bindings associated with the
+ * context binding state tracker. Then re-initializes the whole structure.
+ */
+void vmw_context_binding_state_kill(struct vmw_ctx_binding_state *cbs)
+{
+ struct vmw_ctx_binding *entry, *next;
+
+ list_for_each_entry_safe(entry, next, &cbs->list, ctx_list) {
+ vmw_context_binding_kill(entry);
+ }
+}
struct page *(*page)(struct vmw_piter *);
};
+/*
+ * enum vmw_ctx_binding_type - abstract resource to context binding types
+ */
+enum vmw_ctx_binding_type {
+ vmw_ctx_binding_shader,
+ vmw_ctx_binding_rt,
+ vmw_ctx_binding_tex,
+ vmw_ctx_binding_max
+};
+
+/**
+ * struct vmw_ctx_bindinfo - structure representing a single context binding
+ *
+ * @ctx: Pointer to the context structure. NULL means the binding is not
+ * active.
+ * @bt: The binding type.
+ * @i1: Union of information needed to unbind.
+ */
+struct vmw_ctx_bindinfo {
+ struct vmw_resource *ctx;
+ enum vmw_ctx_binding_type bt;
+ union {
+ SVGA3dShaderType shader_type;
+ SVGA3dRenderTargetType rt_type;
+ uint32 texture_stage;
+ } i1;
+};
+
+/**
+ * struct vmw_ctx_binding - structure representing a single context binding
+ * - suitable for tracking in a context
+ *
+ * @ctx_list: List head for context.
+ * @bi: Binding info
+ */
+struct vmw_ctx_binding {
+ struct list_head ctx_list;
+ struct vmw_ctx_bindinfo bi;
+};
+
+
+/**
+ * struct vmw_ctx_binding_state - context binding state
+ *
+ * @list: linked list of individual bindings.
+ * @render_targets: Render target bindings.
+ * @texture_units: Texture units/samplers bindings.
+ * @shaders: Shader bindings.
+ *
+ * Note that this structure also provides storage space for the individual
+ * struct vmw_ctx_binding objects, so that no dynamic allocation is needed
+ * for individual bindings.
+ *
+ */
+struct vmw_ctx_binding_state {
+ struct list_head list;
+ struct vmw_ctx_binding render_targets[SVGA3D_RT_MAX];
+ struct vmw_ctx_binding texture_units[SVGA3D_NUM_TEXTURE_UNITS];
+ struct vmw_ctx_binding shaders[SVGA3D_SHADERTYPE_MAX];
+};
+
struct vmw_sw_context{
struct drm_open_hash res_ht;
bool res_ht_initialized;
struct vmw_resource *last_query_ctx;
bool needs_post_query_barrier;
struct vmw_resource *error_resource;
+ struct vmw_ctx_binding_state staged_bindings;
};
struct vmw_legacy_display;
struct drm_file *file_priv);
extern int vmw_context_destroy_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
+extern int vmw_context_binding_add(struct vmw_ctx_binding_state *cbs,
+ const struct vmw_ctx_bindinfo *ci);
+extern void vmw_context_binding_state_kill(struct vmw_ctx_binding_state *cbs);
/*
* Surface management - vmwgfx_surface.c
* @res: Ref-counted pointer to the resource.
* @switch_backup: Boolean whether to switch backup buffer on unreserve.
* @new_backup: Refcounted pointer to the new backup buffer.
+ * @staged_bindings: If @res is a context, tracks bindings set up during
+ * the command batch. Otherwise NULL.
* @new_backup_offset: New backup buffer offset if @new_backup is non-NUll.
* @first_usage: Set to true the first time the resource is referenced in
* the command stream.
struct drm_hash_item hash;
struct vmw_resource *res;
struct vmw_dma_buffer *new_backup;
+ struct vmw_ctx_binding_state *staged_bindings;
unsigned long new_backup_offset;
bool first_usage;
bool no_buffer_needed;
struct vmw_dma_buffer *new_backup =
backoff ? NULL : val->new_backup;
+ if (unlikely(val->staged_bindings)) {
+ vmw_context_binding_state_kill(val->staged_bindings);
+ kfree(val->staged_bindings);
+ val->staged_bindings = NULL;
+ }
vmw_resource_unreserve(res, new_backup,
val->new_backup_offset);
vmw_dmabuf_unreference(&val->new_backup);
struct vmw_resource_val_node *node;
int ret;
- if (*id == SVGA3D_INVALID_ID)
+ if (*id == SVGA3D_INVALID_ID) {
+ if (p_val)
+ *p_val = NULL;
+ if (res_type == vmw_res_context) {
+ DRM_ERROR("Illegal context invalid id.\n");
+ return -EINVAL;
+ }
return 0;
+ }
/*
* Fastpath in case of repeated commands referencing the same
rcache->node = node;
if (p_val)
*p_val = node;
+
+ if (node->first_usage && res_type == vmw_res_context) {
+ node->staged_bindings =
+ kzalloc(sizeof(*node->staged_bindings), GFP_KERNEL);
+ if (node->staged_bindings == NULL) {
+ DRM_ERROR("Failed to allocate context binding "
+ "information.\n");
+ goto out_no_reloc;
+ }
+ INIT_LIST_HEAD(&node->staged_bindings->list);
+ }
+
vmw_resource_unreference(&res);
return 0;
SVGA3dCmdHeader header;
SVGA3dCmdSetRenderTarget body;
} *cmd;
+ struct vmw_resource_val_node *ctx_node;
int ret;
- ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
+ cmd = container_of(header, struct vmw_sid_cmd, header);
+
+ ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
+ user_context_converter, &cmd->body.cid,
+ &ctx_node);
if (unlikely(ret != 0))
return ret;
- cmd = container_of(header, struct vmw_sid_cmd, header);
ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_surface,
user_surface_converter,
&cmd->body.target.sid, NULL);
- return ret;
+ if (unlikely(ret != 0))
+ return ret;
+
+ if (dev_priv->has_mob) {
+ struct vmw_ctx_bindinfo bi;
+
+ bi.ctx = ctx_node->res;
+ bi.bt = vmw_ctx_binding_rt;
+ bi.i1.rt_type = cmd->body.type;
+ return vmw_context_binding_add(ctx_node->staged_bindings, &bi);
+ }
+
+ return 0;
}
static int vmw_cmd_surface_copy_check(struct vmw_private *dev_priv,
struct vmw_tex_state_cmd {
SVGA3dCmdHeader header;
SVGA3dCmdSetTextureState state;
- };
+ } *cmd;
SVGA3dTextureState *last_state = (SVGA3dTextureState *)
((unsigned long) header + header->size + sizeof(header));
SVGA3dTextureState *cur_state = (SVGA3dTextureState *)
((unsigned long) header + sizeof(struct vmw_tex_state_cmd));
+ struct vmw_resource_val_node *ctx_node;
int ret;
- ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
+ cmd = container_of(header, struct vmw_tex_state_cmd,
+ header);
+
+ ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
+ user_context_converter, &cmd->state.cid,
+ &ctx_node);
if (unlikely(ret != 0))
return ret;
&cur_state->value, NULL);
if (unlikely(ret != 0))
return ret;
+
+ if (dev_priv->has_mob) {
+ struct vmw_ctx_bindinfo bi;
+
+ bi.ctx = ctx_node->res;
+ bi.bt = vmw_ctx_binding_tex;
+ bi.i1.texture_stage = cur_state->stage;
+ vmw_context_binding_add(ctx_node->staged_bindings,
+ &bi);
+ }
}
return 0;
SVGA3dCmdHeader header;
SVGA3dCmdSetShader body;
} *cmd;
+ struct vmw_resource_val_node *ctx_node;
int ret;
cmd = container_of(header, struct vmw_set_shader_cmd,
header);
- ret = vmw_cmd_cid_check(dev_priv, sw_context, header);
+ ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_context,
+ user_context_converter, &cmd->body.cid,
+ &ctx_node);
if (unlikely(ret != 0))
return ret;
+ if (dev_priv->has_mob) {
+ struct vmw_ctx_bindinfo bi;
+
+ ret = vmw_cmd_res_check(dev_priv, sw_context, vmw_res_shader,
+ user_shader_converter,
+ &cmd->body.shid, NULL);
+ if (unlikely(ret != 0))
+ return ret;
- if (dev_priv->has_mob)
- return vmw_cmd_res_check(dev_priv, sw_context, vmw_res_shader,
- user_shader_converter,
- &cmd->body.shid, NULL);
+ bi.ctx = ctx_node->res;
+ bi.bt = vmw_ctx_binding_shader;
+ bi.i1.shader_type = cmd->body.type;
+ return vmw_context_binding_add(ctx_node->staged_bindings, &bi);
+ }
return 0;
}
list_for_each_entry_safe(val, val_next, list, head) {
list_del_init(&val->head);
vmw_resource_unreference(&val->res);
+ if (unlikely(val->staged_bindings))
+ kfree(val->staged_bindings);
kfree(val);
}
}
projects / platform / kernel / linux-rpi3.git / commitdiff