Just a straightforward conversion without any optimization.

Only compile tested for now.

Signed-off-by: Christian König <christian.koe...@amd.com>
Cc: Emma Anholt <e...@anholt.net>
Cc: Melissa Wen <m...@igalia.com>
---
 drivers/gpu/drm/v3d/v3d_gem.c | 44 ++++++++++++++++-------------------
 1 file changed, 20 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/v3d/v3d_gem.c b/drivers/gpu/drm/v3d/v3d_gem.c
index 2e94ce788c71..190e2a9f64a4 100644
--- a/drivers/gpu/drm/v3d/v3d_gem.c
+++ b/drivers/gpu/drm/v3d/v3d_gem.c
@@ -10,6 +10,7 @@
 #include <linux/sched/signal.h>
 #include <linux/uaccess.h>
 
+#include <drm/drm_exec.h>
 #include <drm/drm_managed.h>
 #include <drm/drm_syncobj.h>
 #include <uapi/drm/v3d_drm.h>
@@ -249,20 +250,17 @@ v3d_invalidate_caches(struct v3d_dev *v3d)
  * to v3d, so we don't attach dma-buf fences to them.
  */
 static int
-v3d_lock_bo_reservations(struct v3d_job *job,
-                        struct ww_acquire_ctx *acquire_ctx)
+v3d_lock_bo_reservations(struct v3d_job *job, struct drm_exec *exec)
 {
        int i, ret;
 
-       ret = drm_gem_lock_reservations(job->bo, job->bo_count, acquire_ctx);
+       drm_exec_init(exec, DRM_EXEC_INTERRUPTIBLE_WAIT);
+       drm_exec_until_all_locked(exec)
+               ret = drm_exec_prepare_array(exec, job->bo, job->bo_count, 1);
        if (ret)
-               return ret;
+               goto fail;
 
        for (i = 0; i < job->bo_count; i++) {
-               ret = dma_resv_reserve_fences(job->bo[i]->resv, 1);
-               if (ret)
-                       goto fail;
-
                ret = drm_sched_job_add_implicit_dependencies(&job->base,
                                                              job->bo[i], true);
                if (ret)
@@ -272,7 +270,7 @@ v3d_lock_bo_reservations(struct v3d_job *job,
        return 0;
 
 fail:
-       drm_gem_unlock_reservations(job->bo, job->bo_count, acquire_ctx);
+       drm_exec_fini(exec);
        return ret;
 }
 
@@ -477,7 +475,7 @@ v3d_push_job(struct v3d_job *job)
 static void
 v3d_attach_fences_and_unlock_reservation(struct drm_file *file_priv,
                                         struct v3d_job *job,
-                                        struct ww_acquire_ctx *acquire_ctx,
+                                        struct drm_exec *exec,
                                         u32 out_sync,
                                         struct v3d_submit_ext *se,
                                         struct dma_fence *done_fence)
@@ -492,7 +490,7 @@ v3d_attach_fences_and_unlock_reservation(struct drm_file 
*file_priv,
                                   DMA_RESV_USAGE_WRITE);
        }
 
-       drm_gem_unlock_reservations(job->bo, job->bo_count, acquire_ctx);
+       drm_exec_fini(exec);
 
        /* Update the return sync object for the job */
        /* If it only supports a single signal semaphore*/
@@ -669,7 +667,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
        struct v3d_render_job *render = NULL;
        struct v3d_job *clean_job = NULL;
        struct v3d_job *last_job;
-       struct ww_acquire_ctx acquire_ctx;
+       struct drm_exec exec;
        int ret = 0;
 
        trace_v3d_submit_cl_ioctl(&v3d->drm, args->rcl_start, args->rcl_end);
@@ -731,7 +729,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
        if (ret)
                goto fail;
 
-       ret = v3d_lock_bo_reservations(last_job, &acquire_ctx);
+       ret = v3d_lock_bo_reservations(last_job, &exec);
        if (ret)
                goto fail;
 
@@ -775,7 +773,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
 
        v3d_attach_fences_and_unlock_reservation(file_priv,
                                                 last_job,
-                                                &acquire_ctx,
+                                                &exec,
                                                 args->out_sync,
                                                 &se,
                                                 last_job->done_fence);
@@ -791,8 +789,7 @@ v3d_submit_cl_ioctl(struct drm_device *dev, void *data,
 fail_unreserve:
        mutex_unlock(&v3d->sched_lock);
 fail_perfmon:
-       drm_gem_unlock_reservations(last_job->bo,
-                                   last_job->bo_count, &acquire_ctx);
+       drm_exec_fini(&exec);
 fail:
        v3d_job_cleanup((void *)bin);
        v3d_job_cleanup((void *)render);
@@ -819,7 +816,7 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
        struct drm_v3d_submit_tfu *args = data;
        struct v3d_submit_ext se = {0};
        struct v3d_tfu_job *job = NULL;
-       struct ww_acquire_ctx acquire_ctx;
+       struct drm_exec exec;
        int ret = 0;
 
        trace_v3d_submit_tfu_ioctl(&v3d->drm, args->iia);
@@ -870,7 +867,7 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
                job->base.bo[job->base.bo_count] = bo;
        }
 
-       ret = v3d_lock_bo_reservations(&job->base, &acquire_ctx);
+       ret = v3d_lock_bo_reservations(&job->base, &exec);
        if (ret)
                goto fail;
 
@@ -879,7 +876,7 @@ v3d_submit_tfu_ioctl(struct drm_device *dev, void *data,
        mutex_unlock(&v3d->sched_lock);
 
        v3d_attach_fences_and_unlock_reservation(file_priv,
-                                                &job->base, &acquire_ctx,
+                                                &job->base, &exec,
                                                 args->out_sync,
                                                 &se,
                                                 job->base.done_fence);
@@ -914,7 +911,7 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
        struct v3d_submit_ext se = {0};
        struct v3d_csd_job *job = NULL;
        struct v3d_job *clean_job = NULL;
-       struct ww_acquire_ctx acquire_ctx;
+       struct drm_exec exec;
        int ret;
 
        trace_v3d_submit_csd_ioctl(&v3d->drm, args->cfg[5], args->cfg[6]);
@@ -957,7 +954,7 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
        if (ret)
                goto fail;
 
-       ret = v3d_lock_bo_reservations(clean_job, &acquire_ctx);
+       ret = v3d_lock_bo_reservations(clean_job, &exec);
        if (ret)
                goto fail;
 
@@ -983,7 +980,7 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
 
        v3d_attach_fences_and_unlock_reservation(file_priv,
                                                 clean_job,
-                                                &acquire_ctx,
+                                                &exec,
                                                 args->out_sync,
                                                 &se,
                                                 clean_job->done_fence);
@@ -996,8 +993,7 @@ v3d_submit_csd_ioctl(struct drm_device *dev, void *data,
 fail_unreserve:
        mutex_unlock(&v3d->sched_lock);
 fail_perfmon:
-       drm_gem_unlock_reservations(clean_job->bo, clean_job->bo_count,
-                                   &acquire_ctx);
+       drm_exec_fini(&exec);
 fail:
        v3d_job_cleanup((void *)job);
        v3d_job_cleanup(clean_job);
-- 
2.34.1

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