Merge tag 'drm-misc-next-2022-11-24' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for 6.2:

Cross-subsystem Changes:
- fbdev: Make fb_modesetting_disabled() static
- udmabuf: Add vmap and vunmap methods to udmabuf_ops

Core Changes:
- doc: make drm-uapi igt-tests more readable
- fb-helper: Revert of the damage worker removal
- fourcc: Add missing big-endian XRGB1555 and RGB565 formats
- gem-shmem: Fix for resource leakage in __drm_gem_shmem_create()
- scheduler: Fix lockup in drm_sched_entity_kill()

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
From: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20221124074615.ahflw5q5ktfdsr7k@houat

7 files changed, 61 insertions, 8 deletions

diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index 283816fbd72f..740d6e426ee9 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -13,6 +13,8 @@
 #include <linux/slab.h>
 #include <linux/udmabuf.h>
 #include <linux/hugetlb.h>
+#include <linux/vmalloc.h>
+#include <linux/iosys-map.h>
 
 static int list_limit = 1024;
 module_param(list_limit, int, 0644);
@@ -60,6 +62,30 @@ static int mmap_udmabuf(struct dma_buf *buf, struct vm_area_struct *vma)
 	return 0;
 }
 
+static int vmap_udmabuf(struct dma_buf *buf, struct iosys_map *map)
+{
+	struct udmabuf *ubuf = buf->priv;
+	void *vaddr;
+
+	dma_resv_assert_held(buf->resv);
+
+	vaddr = vm_map_ram(ubuf->pages, ubuf->pagecount, -1);
+	if (!vaddr)
+		return -EINVAL;
+
+	iosys_map_set_vaddr(map, vaddr);
+	return 0;
+}
+
+static void vunmap_udmabuf(struct dma_buf *buf, struct iosys_map *map)
+{
+	struct udmabuf *ubuf = buf->priv;
+
+	dma_resv_assert_held(buf->resv);
+
+	vm_unmap_ram(map->vaddr, ubuf->pagecount);
+}
+
 static struct sg_table *get_sg_table(struct device *dev, struct dma_buf *buf,
 				     enum dma_data_direction direction)
 {
@@ -162,6 +188,8 @@ static const struct dma_buf_ops udmabuf_ops = {
 	.unmap_dma_buf	   = unmap_udmabuf,
 	.release	   = release_udmabuf,
 	.mmap		   = mmap_udmabuf,
+	.vmap		   = vmap_udmabuf,
+	.vunmap		   = vunmap_udmabuf,
 	.begin_cpu_access  = begin_cpu_udmabuf,
 	.end_cpu_access    = end_cpu_udmabuf,
 };
diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c
index 6242dfbe9240..0f17dfa8702b 100644
--- a/drivers/gpu/drm/drm_fourcc.c
+++ b/drivers/gpu/drm/drm_fourcc.c
@@ -190,6 +190,10 @@ const struct drm_format_info *__drm_format_info(u32 format)
 		{ .format = DRM_FORMAT_BGRA5551,	.depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1, .has_alpha = true },
 		{ .format = DRM_FORMAT_RGB565,		.depth = 16, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
 		{ .format = DRM_FORMAT_BGR565,		.depth = 16, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
+#ifdef __BIG_ENDIAN
+		{ .format = DRM_FORMAT_XRGB1555 | DRM_FORMAT_BIG_ENDIAN, .depth = 15, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
+		{ .format = DRM_FORMAT_RGB565 | DRM_FORMAT_BIG_ENDIAN, .depth = 16, .num_planes = 1, .cpp = { 2, 0, 0 }, .hsub = 1, .vsub = 1 },
+#endif
 		{ .format = DRM_FORMAT_RGB888,		.depth = 24, .num_planes = 1, .cpp = { 3, 0, 0 }, .hsub = 1, .vsub = 1 },
 		{ .format = DRM_FORMAT_BGR888,		.depth = 24, .num_planes = 1, .cpp = { 3, 0, 0 }, .hsub = 1, .vsub = 1 },
 		{ .format = DRM_FORMAT_XRGB8888,	.depth = 24, .num_planes = 1, .cpp = { 4, 0, 0 }, .hsub = 1, .vsub = 1 },
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index b8db675e7fb5..59a0bb5ebd85 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -170,6 +170,20 @@ void drm_gem_private_object_init(struct drm_device *dev,
 EXPORT_SYMBOL(drm_gem_private_object_init);
 
 /**
+ * drm_gem_private_object_fini - Finalize a failed drm_gem_object
+ * @obj: drm_gem_object
+ *
+ * Uninitialize an already allocated GEM object when it initialized failed
+ */
+void drm_gem_private_object_fini(struct drm_gem_object *obj)
+{
+	WARN_ON(obj->dma_buf);
+
+	dma_resv_fini(&obj->_resv);
+}
+EXPORT_SYMBOL(drm_gem_private_object_fini);
+
+/**
  * drm_gem_object_handle_free - release resources bound to userspace handles
  * @obj: GEM object to clean up.
  *
@@ -930,12 +944,11 @@ drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
 void
 drm_gem_object_release(struct drm_gem_object *obj)
 {
-	WARN_ON(obj->dma_buf);
-
 	if (obj->filp)
 		fput(obj->filp);
 
-	dma_resv_fini(&obj->_resv);
+	drm_gem_private_object_fini(obj);
+
 	drm_gem_free_mmap_offset(obj);
 	drm_gem_lru_remove(obj);
 }
diff --git a/drivers/gpu/drm/drm_gem_shmem_helper.c b/drivers/gpu/drm/drm_gem_shmem_helper.c
index b602cd72a120..f21f47737817 100644
--- a/drivers/gpu/drm/drm_gem_shmem_helper.c
+++ b/drivers/gpu/drm/drm_gem_shmem_helper.c
@@ -79,8 +79,10 @@ __drm_gem_shmem_create(struct drm_device *dev, size_t size, bool private)
 	} else {
 		ret = drm_gem_object_init(dev, obj, size);
 	}
-	if (ret)
+	if (ret) {
+		drm_gem_private_object_fini(obj);
 		goto err_free;
+	}
 
 	ret = drm_gem_create_mmap_offset(obj);
 	if (ret)
diff --git a/drivers/gpu/drm/drm_mode_config.c b/drivers/gpu/drm/drm_mode_config.c
index 688c8afe0bf1..8525ef851540 100644
--- a/drivers/gpu/drm/drm_mode_config.c
+++ b/drivers/gpu/drm/drm_mode_config.c
@@ -399,6 +399,8 @@ static void drm_mode_config_init_release(struct drm_device *dev, void *ptr)
  */
 int drmm_mode_config_init(struct drm_device *dev)
 {
+	int ret;
+
 	mutex_init(&dev->mode_config.mutex);
 	drm_modeset_lock_init(&dev->mode_config.connection_mutex);
 	mutex_init(&dev->mode_config.idr_mutex);
@@ -420,7 +422,11 @@ int drmm_mode_config_init(struct drm_device *dev)
 	init_llist_head(&dev->mode_config.connector_free_list);
 	INIT_WORK(&dev->mode_config.connector_free_work, drm_connector_free_work_fn);
 
-	drm_mode_create_standard_properties(dev);
+	ret = drm_mode_create_standard_properties(dev);
+	if (ret) {
+		drm_mode_config_cleanup(dev);
+		return ret;
+	}
 
 	/* Just to be sure */
 	dev->mode_config.num_fb = 0;
diff --git a/drivers/gpu/drm/scheduler/sched_entity.c b/drivers/gpu/drm/scheduler/sched_entity.c
index fe09e5be79bd..15d04a0ec623 100644
--- a/drivers/gpu/drm/scheduler/sched_entity.c
+++ b/drivers/gpu/drm/scheduler/sched_entity.c
@@ -81,7 +81,7 @@ int drm_sched_entity_init(struct drm_sched_entity *entity,
 	init_completion(&entity->entity_idle);
 
 	/* We start in an idle state. */
-	complete(&entity->entity_idle);
+	complete_all(&entity->entity_idle);
 
 	spin_lock_init(&entity->rq_lock);
 	spsc_queue_init(&entity->job_queue);
diff --git a/drivers/gpu/drm/scheduler/sched_main.c b/drivers/gpu/drm/scheduler/sched_main.c
index 31f3a1267be4..fd22d753b4ed 100644
--- a/drivers/gpu/drm/scheduler/sched_main.c
+++ b/drivers/gpu/drm/scheduler/sched_main.c
@@ -987,7 +987,7 @@ static int drm_sched_main(void *param)
 		sched_job = drm_sched_entity_pop_job(entity);
 
 		if (!sched_job) {
-			complete(&entity->entity_idle);
+			complete_all(&entity->entity_idle);
 			continue;
 		}
 
@@ -998,7 +998,7 @@ static int drm_sched_main(void *param)
 
 		trace_drm_run_job(sched_job, entity);
 		fence = sched->ops->run_job(sched_job);
-		complete(&entity->entity_idle);
+		complete_all(&entity->entity_idle);
 		drm_sched_fence_scheduled(s_fence);
 
 		if (!IS_ERR_OR_NULL(fence)) {