[PATCH 2/7] drm/msm: Add submitqueue setup and close

[Antonino Maniscalco]

This patch adds a bit of infrastructure to give the different Adreno
targets the flexibility to setup the submitqueues per their needs.

Signed-off-by: Sharat Masetty <smase...@codeaurora.org>
---
 drivers/gpu/drm/msm/msm_gpu.h         |  7 +++++++
 drivers/gpu/drm/msm/msm_submitqueue.c | 10 ++++++++++
 2 files changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h
index 1f02bb9956be..70f5c18e5aee 100644
--- a/drivers/gpu/drm/msm/msm_gpu.h
+++ b/drivers/gpu/drm/msm/msm_gpu.h
@@ -92,6 +92,10 @@ struct msm_gpu_funcs {
         * for cmdstream that is buffered in this FIFO upstream of the CP fw.
         */
        bool (*progress)(struct msm_gpu *gpu, struct msm_ringbuffer *ring);
+       int (*submitqueue_setup)(struct msm_gpu *gpu,
+                       struct msm_gpu_submitqueue *queue);
+       void (*submitqueue_close)(struct msm_gpu *gpu,
+                       struct msm_gpu_submitqueue *queue);
 };
 
 /* Additional state for iommu faults: */
@@ -522,6 +526,9 @@ struct msm_gpu_submitqueue {
        struct mutex lock;
        struct kref ref;
        struct drm_sched_entity *entity;
+       struct msm_gpu *gpu;
+       struct drm_gem_object *bo;
+       uint64_t bo_iova;
 };
 
 struct msm_gpu_state_bo {
diff --git a/drivers/gpu/drm/msm/msm_submitqueue.c 
b/drivers/gpu/drm/msm/msm_submitqueue.c
index 0e803125a325..4ffb336d9a60 100644
--- a/drivers/gpu/drm/msm/msm_submitqueue.c
+++ b/drivers/gpu/drm/msm/msm_submitqueue.c
@@ -71,6 +71,11 @@ void msm_submitqueue_destroy(struct kref *kref)
        struct msm_gpu_submitqueue *queue = container_of(kref,
                struct msm_gpu_submitqueue, ref);
 
+       struct msm_gpu *gpu = queue->gpu;
+
+       if (gpu && gpu->funcs->submitqueue_close)
+               gpu->funcs->submitqueue_close(gpu, queue);
+
        idr_destroy(&queue->fence_idr);
 
        msm_file_private_put(queue->ctx);
@@ -160,6 +165,7 @@ int msm_submitqueue_create(struct drm_device *drm, struct 
msm_file_private *ctx,
 {
        struct msm_drm_private *priv = drm->dev_private;
        struct msm_gpu_submitqueue *queue;
+       struct msm_gpu *gpu = priv->gpu;
        enum drm_sched_priority sched_prio;
        unsigned ring_nr;
        int ret;
@@ -195,6 +201,7 @@ int msm_submitqueue_create(struct drm_device *drm, struct 
msm_file_private *ctx,
 
        queue->ctx = msm_file_private_get(ctx);
        queue->id = ctx->queueid++;
+       queue->gpu = gpu;
 
        if (id)
                *id = queue->id;
@@ -207,6 +214,9 @@ int msm_submitqueue_create(struct drm_device *drm, struct 
msm_file_private *ctx,
 
        write_unlock(&ctx->queuelock);
 
+       if (gpu && gpu->funcs->submitqueue_setup)
+               gpu->funcs->submitqueue_setup(gpu, queue);
+
        return 0;
 }
 

-- 
2.46.0