Merge branch 'etnaviv/fixes' of https://git.pengutronix.de/git/lst/linux into drm-fixesdrm-fixes-2023-03-30

- revert gpu time fdinfo support
- reference leak fix on imported buffers

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/de8e08c2599ec0e22456ae36e9757b9ff14c2124.camel@pengutronix.de

4 files changed, 10 insertions, 56 deletions

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index 44ca803237a5..31a7f59ccb49 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -22,7 +22,6 @@
 #include "etnaviv_gem.h"
 #include "etnaviv_mmu.h"
 #include "etnaviv_perfmon.h"
-#include "common.xml.h"
 
 /*
  * DRM operations:
@@ -476,47 +475,7 @@ static const struct drm_ioctl_desc etnaviv_ioctls[] = {
 	ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_RENDER_ALLOW),
 };
 
-static void etnaviv_fop_show_fdinfo(struct seq_file *m, struct file *f)
-{
-	struct drm_file *file = f->private_data;
-	struct drm_device *dev = file->minor->dev;
-	struct etnaviv_drm_private *priv = dev->dev_private;
-	struct etnaviv_file_private *ctx = file->driver_priv;
-
-	/*
-	 * For a description of the text output format used here, see
-	 * Documentation/gpu/drm-usage-stats.rst.
-	 */
-	seq_printf(m, "drm-driver:\t%s\n", dev->driver->name);
-	seq_printf(m, "drm-client-id:\t%u\n", ctx->id);
-
-	for (int i = 0; i < ETNA_MAX_PIPES; i++) {
-		struct etnaviv_gpu *gpu = priv->gpu[i];
-		char engine[10] = "UNK";
-		int cur = 0;
-
-		if (!gpu)
-			continue;
-
-		if (gpu->identity.features & chipFeatures_PIPE_2D)
-			cur = snprintf(engine, sizeof(engine), "2D");
-		if (gpu->identity.features & chipFeatures_PIPE_3D)
-			cur = snprintf(engine + cur, sizeof(engine) - cur,
-				       "%s3D", cur ? "/" : "");
-		if (gpu->identity.nn_core_count > 0)
-			cur = snprintf(engine + cur, sizeof(engine) - cur,
-				       "%sNN", cur ? "/" : "");
-
-		seq_printf(m, "drm-engine-%s:\t%llu ns\n", engine,
-			   ctx->sched_entity[i].elapsed_ns);
-	}
-}
-
-static const struct file_operations fops = {
-	.owner = THIS_MODULE,
-	DRM_GEM_FOPS,
-	.show_fdinfo = etnaviv_fop_show_fdinfo,
-};
+DEFINE_DRM_GEM_FOPS(fops);
 
 static const struct drm_driver etnaviv_drm_driver = {
 	.driver_features    = DRIVER_GEM | DRIVER_RENDER,
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
index 7031db145a77..3524b5811682 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
@@ -91,7 +91,15 @@ static void *etnaviv_gem_prime_vmap_impl(struct etnaviv_gem_object *etnaviv_obj)
 static int etnaviv_gem_prime_mmap_obj(struct etnaviv_gem_object *etnaviv_obj,
 		struct vm_area_struct *vma)
 {
-	return dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0);
+	int ret;
+
+	ret = dma_buf_mmap(etnaviv_obj->base.dma_buf, vma, 0);
+	if (!ret) {
+		/* Drop the reference acquired by drm_gem_mmap_obj(). */
+		drm_gem_object_put(&etnaviv_obj->base);
+	}
+
+	return ret;
 }
 
 static const struct etnaviv_gem_ops etnaviv_gem_prime_ops = {
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 4e6ad6e122bc..0e4378420271 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -906,12 +906,6 @@ drm_sched_get_cleanup_job(struct drm_gpu_scheduler *sched)
 
 	spin_unlock(&sched->job_list_lock);
 
-	if (job) {
-		job->entity->elapsed_ns += ktime_to_ns(
-			ktime_sub(job->s_fence->finished.timestamp,
-				  job->s_fence->scheduled.timestamp));
-	}
-
 	return job;
 }
 
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index 9db9e5e504ee..9935d1e2ff69 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -228,13 +228,6 @@ struct drm_sched_entity {
 	 */
 	struct rb_node			rb_tree_node;
 
-	/**
-	 * @elapsed_ns:
-	 *
-	 * Records the amount of time where jobs from this entity were active
-	 * on the GPU.
-	 */
-	uint64_t elapsed_ns;
 };
 
 /**