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drm/vmwgfx: Persistent tracking of context bindings

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Only scrub context bindings when a bound resource is destroyed, or when
the MOB backing the context is unbound.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Zack Rusin <zackr@vmware.com>
This commit is contained in:
Thomas Hellstrom
2013-10-08 02:32:36 -07:00
parent b5c3b1a6bf
commit 173fb7d4e2
7 changed files with 143 additions and 10 deletions
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11
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
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@@ -112,6 +112,7 @@ struct vmw_resource {
const struct vmw_res_func *func;
struct list_head lru_head; /* Protected by the resource lock */
struct list_head mob_head; /* Protected by @backup reserved */
struct list_head binding_head; /* Protected by binding_mutex */
void (*res_free) (struct vmw_resource *res);
void (*hw_destroy) (struct vmw_resource *res);
};
@@ -260,11 +261,13 @@ enum vmw_ctx_binding_type {
*
* @ctx: Pointer to the context structure. NULL means the binding is not
* active.
* @res: Non ref-counted pointer to the bound resource.
* @bt: The binding type.
* @i1: Union of information needed to unbind.
*/
struct vmw_ctx_bindinfo {
struct vmw_resource *ctx;
struct vmw_resource *res;
enum vmw_ctx_binding_type bt;
union {
SVGA3dShaderType shader_type;
@@ -278,10 +281,12 @@ struct vmw_ctx_bindinfo {
* - suitable for tracking in a context
*
* @ctx_list: List head for context.
* @res_list: List head for bound resource.
* @bi: Binding info
*/
struct vmw_ctx_binding {
struct list_head ctx_list;
struct list_head res_list;
struct vmw_ctx_bindinfo bi;
};
@@ -450,6 +455,7 @@ struct vmw_private {
struct vmw_sw_context ctx;
struct mutex cmdbuf_mutex;
struct mutex binding_mutex;
/**
* Operating mode.
@@ -940,7 +946,10 @@ 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);
extern void
vmw_context_binding_state_transfer(struct vmw_resource *res,
struct vmw_ctx_binding_state *cbs);
extern void vmw_context_binding_res_list_kill(struct list_head *head);
/*
* Surface management - vmwgfx_surface.c