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path: root/drivers/gpu/drm/msm/msm_gpu.h
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_gpu.h')
-rw-r--r--drivers/gpu/drm/msm/msm_gpu.h66
1 files changed, 64 insertions, 2 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h
index 0e4b45bff2e6..030f82f149c2 100644
--- a/drivers/gpu/drm/msm/msm_gpu.h
+++ b/drivers/gpu/drm/msm/msm_gpu.h
@@ -258,6 +258,39 @@ struct msm_gpu_perfcntr {
#define NR_SCHED_PRIORITIES (1 + DRM_SCHED_PRIORITY_HIGH - DRM_SCHED_PRIORITY_MIN)
/**
+ * struct msm_file_private - per-drm_file context
+ *
+ * @queuelock: synchronizes access to submitqueues list
+ * @submitqueues: list of &msm_gpu_submitqueue created by userspace
+ * @queueid: counter incremented each time a submitqueue is created,
+ * used to assign &msm_gpu_submitqueue.id
+ * @aspace: the per-process GPU address-space
+ * @ref: reference count
+ * @seqno: unique per process seqno
+ */
+struct msm_file_private {
+ rwlock_t queuelock;
+ struct list_head submitqueues;
+ int queueid;
+ struct msm_gem_address_space *aspace;
+ struct kref ref;
+ int seqno;
+
+ /**
+ * entities:
+ *
+ * Table of per-priority-level sched entities used by submitqueues
+ * associated with this &drm_file. Because some userspace apps
+ * make assumptions about rendering from multiple gl contexts
+ * (of the same priority) within the process happening in FIFO
+ * order without requiring any fencing beyond MakeCurrent(), we
+ * create at most one &drm_sched_entity per-process per-priority-
+ * level.
+ */
+ struct drm_sched_entity *entities[NR_SCHED_PRIORITIES * MSM_GPU_MAX_RINGS];
+};
+
+/**
* msm_gpu_convert_priority - Map userspace priority to ring # and sched priority
*
* @gpu: the gpu instance
@@ -304,6 +337,8 @@ static inline int msm_gpu_convert_priority(struct msm_gpu *gpu, int prio,
}
/**
+ * struct msm_gpu_submitqueues - Userspace created context.
+ *
* A submitqueue is associated with a gl context or vk queue (or equiv)
* in userspace.
*
@@ -321,7 +356,7 @@ static inline int msm_gpu_convert_priority(struct msm_gpu *gpu, int prio,
* seqno, protected by submitqueue lock
* @lock: submitqueue lock
* @ref: reference count
- * @entity: the submit job-queue
+ * @entity: the submit job-queue
*/
struct msm_gpu_submitqueue {
int id;
@@ -333,7 +368,7 @@ struct msm_gpu_submitqueue {
struct idr fence_idr;
struct mutex lock;
struct kref ref;
- struct drm_sched_entity entity;
+ struct drm_sched_entity *entity;
};
struct msm_gpu_state_bo {
@@ -421,6 +456,33 @@ static inline void gpu_write64(struct msm_gpu *gpu, u32 lo, u32 hi, u64 val)
int msm_gpu_pm_suspend(struct msm_gpu *gpu);
int msm_gpu_pm_resume(struct msm_gpu *gpu);
+int msm_submitqueue_init(struct drm_device *drm, struct msm_file_private *ctx);
+struct msm_gpu_submitqueue *msm_submitqueue_get(struct msm_file_private *ctx,
+ u32 id);
+int msm_submitqueue_create(struct drm_device *drm,
+ struct msm_file_private *ctx,
+ u32 prio, u32 flags, u32 *id);
+int msm_submitqueue_query(struct drm_device *drm, struct msm_file_private *ctx,
+ struct drm_msm_submitqueue_query *args);
+int msm_submitqueue_remove(struct msm_file_private *ctx, u32 id);
+void msm_submitqueue_close(struct msm_file_private *ctx);
+
+void msm_submitqueue_destroy(struct kref *kref);
+
+void __msm_file_private_destroy(struct kref *kref);
+
+static inline void msm_file_private_put(struct msm_file_private *ctx)
+{
+ kref_put(&ctx->ref, __msm_file_private_destroy);
+}
+
+static inline struct msm_file_private *msm_file_private_get(
+ struct msm_file_private *ctx)
+{
+ kref_get(&ctx->ref);
+ return ctx;
+}
+
void msm_devfreq_init(struct msm_gpu *gpu);
void msm_devfreq_cleanup(struct msm_gpu *gpu);
void msm_devfreq_resume(struct msm_gpu *gpu);