Displaying 20 results from an estimated 43 matches for "resp_wq".
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resp_cb
2015 Jun 16
0
[PATCH 2/3] drm/virtgpu: initialise fbdev after getting initial display info
...sertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index e5a2c09..ff8de3d 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -171,6 +171,7 @@ struct virtio_gpu_device {
wait_queue_head_t resp_wq;
/* current display info */
spinlock_t display_info_lock;
+ bool display_info_pending;
struct virtio_gpu_fence_driver fence_drv;
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
index 132405f..782766c 100644
--- a/drivers/gpu/drm/virtio/virtgpu_kms....
2015 Jun 16
0
[PATCH 2/3] drm/virtgpu: initialise fbdev after getting initial display info
...sertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h
index e5a2c09..ff8de3d 100644
--- a/drivers/gpu/drm/virtio/virtgpu_drv.h
+++ b/drivers/gpu/drm/virtio/virtgpu_drv.h
@@ -171,6 +171,7 @@ struct virtio_gpu_device {
wait_queue_head_t resp_wq;
/* current display info */
spinlock_t display_info_lock;
+ bool display_info_pending;
struct virtio_gpu_fence_driver fence_drv;
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
index 132405f..782766c 100644
--- a/drivers/gpu/drm/virtio/virtgpu_kms....
2019 Jun 05
10
[PATCH 1/4] drm/virtio: Ensure cached capset entries are valid before copying.
...spin_unlock(&vgdev->display_info_lock);
goto copy_exit;
}
@@ -537,6 +536,7 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
virtio_gpu_cmd_get_capset(vgdev, found_valid, args->cap_set_ver,
&cache_ent);
+copy_exit:
ret = wait_event_timeout(vgdev->resp_wq,
atomic_read(&cache_ent->is_valid), 5 * HZ);
if (!ret)
@@ -544,7 +544,6 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
ptr = cache_ent->caps_cache;
-copy_exit:
if (copy_to_user((void __user *)(unsigned long)args->addr, ptr, size))
return -EFAULT;
-...
2020 Feb 11
1
[PATCH] drm/virtio: rework batching
...ck:
@@ -445,6 +448,7 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
/* not in cache - need to talk to hw */
virtio_gpu_cmd_get_capset(vgdev, found_valid, args->cap_set_ver,
&cache_ent);
+ virtio_gpu_notify(vgdev);
copy_exit:
ret = wait_event_timeout(vgdev->resp_wq,
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
index c1086df49816..44e4c07d0162 100644
--- a/drivers/gpu/drm/virtio/virtgpu_kms.c
+++ b/drivers/gpu/drm/virtio/virtgpu_kms.c
@@ -44,6 +44,7 @@ static void virtio_gpu_config_changed_work_func(struct work_struc...
2020 Feb 12
1
[PATCH v2] drm/virtio: rework batching
...ck:
@@ -445,6 +448,7 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
/* not in cache - need to talk to hw */
virtio_gpu_cmd_get_capset(vgdev, found_valid, args->cap_set_ver,
&cache_ent);
+ virtio_gpu_notify(vgdev);
copy_exit:
ret = wait_event_timeout(vgdev->resp_wq,
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
index 4009c2f97d08..7eabcf1ca424 100644
--- a/drivers/gpu/drm/virtio/virtgpu_kms.c
+++ b/drivers/gpu/drm/virtio/virtgpu_kms.c
@@ -44,6 +44,7 @@ static void virtio_gpu_config_changed_work_func(struct work_struc...
2018 Sep 13
0
[PATCH 3/3] drm/virtio: add edid support
...t) {
@@ -219,6 +225,8 @@ int virtio_gpu_driver_load(struct drm_device *dev, unsigned long flags)
if (num_capsets)
virtio_gpu_get_capsets(vgdev, num_capsets);
+ if (vgdev->has_edid)
+ virtio_gpu_cmd_get_edids(vgdev);
virtio_gpu_cmd_get_display_info(vgdev);
wait_event_timeout(vgdev->resp_wq, !vgdev->display_info_pending,
5 * HZ);
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 020070d483..7d79211d1f 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -596,6 +596,37 @@ static void virtio_gp...
2020 May 13
0
[PATCH v3 4/4] drm/virtio: Support virtgpu exported resources
...e *dev)
> vgdev->dev = dev->dev;
>
> spin_lock_init(&vgdev->display_info_lock);
> + spin_lock_init(&vgdev->resource_export_lock);
> ida_init(&vgdev->ctx_id_ida);
> ida_init(&vgdev->resource_ida);
> init_waitqueue_head(&vgdev->resp_wq);
> @@ -162,6 +163,9 @@ int virtio_gpu_init(struct drm_device *dev)
> if (virtio_has_feature(vgdev->vdev, VIRTIO_RING_F_INDIRECT_DESC)) {
> vgdev->has_indirect = true;
> }
> + if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_UUID)) {
> + vgdev->has_res...
2020 Mar 02
0
[virtio-dev] [PATCH v2 4/4] drm/virtio: Support virtgpu exported resources
...= dev->dev;
>
> spin_lock_init(&vgdev->display_info_lock);
> + spin_lock_init(&vgdev->resource_export_lock);
> ida_init(&vgdev->ctx_id_ida);
> ida_init(&vgdev->resource_ida);
> init_waitqueue_head(&vgdev->resp_wq);
> @@ -162,6 +163,9 @@ int virtio_gpu_init(struct drm_device *dev)
> if (virtio_has_feature(vgdev->vdev, VIRTIO_RING_F_INDIRECT_DESC)) {
> vgdev->has_indirect = true;
> }
> + if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_UUI...
2020 Feb 14
0
[PATCH v4 6/6] drm/virtio: move remaining virtio_gpu_notify calls
...ck:
@@ -446,6 +448,7 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
/* not in cache - need to talk to hw */
virtio_gpu_cmd_get_capset(vgdev, found_valid, args->cap_set_ver,
&cache_ent);
+ virtio_gpu_notify(vgdev);
copy_exit:
ret = wait_event_timeout(vgdev->resp_wq,
diff --git a/drivers/gpu/drm/virtio/virtgpu_kms.c b/drivers/gpu/drm/virtio/virtgpu_kms.c
index 8fd7acef960f..ad3b673f5796 100644
--- a/drivers/gpu/drm/virtio/virtgpu_kms.c
+++ b/drivers/gpu/drm/virtio/virtgpu_kms.c
@@ -61,6 +61,7 @@ static int virtio_gpu_context_create(struct virtio_gpu_device *vg...
2023 Mar 01
1
[PATCH v5] drm/virtio: Add option to disable KMS support
...246,10 +251,12 @@ int virtio_gpu_init(struct virtio_device *vdev, struct drm_device *dev)
virtio_gpu_get_capsets(vgdev, num_capsets);
if (vgdev->has_edid)
virtio_gpu_cmd_get_edids(vgdev);
- virtio_gpu_cmd_get_display_info(vgdev);
- virtio_gpu_notify(vgdev);
- wait_event_timeout(vgdev->resp_wq, !vgdev->display_info_pending,
- 5 * HZ);
+ if (vgdev->num_scanouts) {
+ virtio_gpu_cmd_get_display_info(vgdev);
+ virtio_gpu_notify(vgdev);
+ wait_event_timeout(vgdev->resp_wq, !vgdev->display_info_pending,
+ 5 * HZ);
+ }
return 0;
err_scanouts:
--
2.39.1
2023 Feb 24
2
[PATCH] drm/virtio: Add option to disable KMS support
...ruct virtio_device *vdev, struct drm_device *dev)
virtio_gpu_get_capsets(vgdev, num_capsets);
if (vgdev->has_edid)
virtio_gpu_cmd_get_edids(vgdev);
+#if defined(CONFIG_DRM_VIRTIO_GPU_KMS)
virtio_gpu_cmd_get_display_info(vgdev);
virtio_gpu_notify(vgdev);
wait_event_timeout(vgdev->resp_wq, !vgdev->display_info_pending,
5 * HZ);
+#endif
return 0;
err_scanouts:
--
2.39.1
2015 Sep 21
2
[PATCH v2 4/6] virtio-gpu: add 3d/virgl support
...in_unlock(&vgdev->display_info_lock);
+ goto copy_exit;
+ }
+ }
+ spin_unlock(&vgdev->display_info_lock);
+
+ /* not in cache - need to talk to hw */
+ virtio_gpu_cmd_get_capset(vgdev, found_valid, args->cap_set_ver,
+ &cache_ent);
+
+ ret = wait_event_timeout(vgdev->resp_wq,
+ atomic_read(&cache_ent->is_valid), 5 * HZ);
+
+ ptr = cache_ent->caps_cache;
+
+copy_exit:
+ if (copy_to_user((void __user *)(unsigned long)args->addr, ptr, size))
+ return -EFAULT;
+
+ return 0;
+}
+
+struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = {
+ DRM_IOC...
2015 Sep 21
2
[PATCH v2 4/6] virtio-gpu: add 3d/virgl support
...in_unlock(&vgdev->display_info_lock);
+ goto copy_exit;
+ }
+ }
+ spin_unlock(&vgdev->display_info_lock);
+
+ /* not in cache - need to talk to hw */
+ virtio_gpu_cmd_get_capset(vgdev, found_valid, args->cap_set_ver,
+ &cache_ent);
+
+ ret = wait_event_timeout(vgdev->resp_wq,
+ atomic_read(&cache_ent->is_valid), 5 * HZ);
+
+ ptr = cache_ent->caps_cache;
+
+copy_exit:
+ if (copy_to_user((void __user *)(unsigned long)args->addr, ptr, size))
+ return -EFAULT;
+
+ return 0;
+}
+
+struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = {
+ DRM_IOC...
2015 Oct 02
0
[PATCH v3 4/7] virtio-gpu: add 3d/virgl support
...in_unlock(&vgdev->display_info_lock);
+ goto copy_exit;
+ }
+ }
+ spin_unlock(&vgdev->display_info_lock);
+
+ /* not in cache - need to talk to hw */
+ virtio_gpu_cmd_get_capset(vgdev, found_valid, args->cap_set_ver,
+ &cache_ent);
+
+ ret = wait_event_timeout(vgdev->resp_wq,
+ atomic_read(&cache_ent->is_valid), 5 * HZ);
+
+ ptr = cache_ent->caps_cache;
+
+copy_exit:
+ if (copy_to_user((void __user *)(unsigned long)args->addr, ptr, size))
+ return -EFAULT;
+
+ return 0;
+}
+
+struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = {
+ DRM_IOC...
2015 Oct 02
0
[PATCH v3 4/7] virtio-gpu: add 3d/virgl support
...in_unlock(&vgdev->display_info_lock);
+ goto copy_exit;
+ }
+ }
+ spin_unlock(&vgdev->display_info_lock);
+
+ /* not in cache - need to talk to hw */
+ virtio_gpu_cmd_get_capset(vgdev, found_valid, args->cap_set_ver,
+ &cache_ent);
+
+ ret = wait_event_timeout(vgdev->resp_wq,
+ atomic_read(&cache_ent->is_valid), 5 * HZ);
+
+ ptr = cache_ent->caps_cache;
+
+copy_exit:
+ if (copy_to_user((void __user *)(unsigned long)args->addr, ptr, size))
+ return -EFAULT;
+
+ return 0;
+}
+
+struct drm_ioctl_desc virtio_gpu_ioctls[DRM_VIRTIO_NUM_IOCTLS] = {
+ DRM_IOC...
2015 Sep 21
0
[PATCH v2 4/6] virtio-gpu: add 3d/virgl support
...+ goto copy_exit;
> + }
> + }
> + spin_unlock(&vgdev->display_info_lock);
> +
> + /* not in cache - need to talk to hw */
> + virtio_gpu_cmd_get_capset(vgdev, found_valid, args->cap_set_ver,
> + &cache_ent);
> +
> + ret = wait_event_timeout(vgdev->resp_wq,
> + atomic_read(&cache_ent->is_valid), 5 * HZ);
> +
> + ptr = cache_ent->caps_cache;
> +
> +copy_exit:
> + if (copy_to_user((void __user *)(unsigned long)args->addr, ptr, size))
> + return -EFAULT;
> +
> + return 0;
> +}
> +
> +struct drm_ioctl...
2017 Nov 27
0
[PATCH] drm/virtio: Don't return invalid caps on timeout
..._ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index b94bd5440e57..902120ad4a6d 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -517,6 +517,8 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
ret = wait_event_timeout(vgdev->resp_wq,
atomic_read(&cache_ent->is_valid), 5 * HZ);
+ if (!ret)
+ return -EBUSY;
ptr = cache_ent->caps_cache;
--
2.14.3
2019 Jul 19
0
[PATCH AUTOSEL 4.14 15/60] drm/virtio: Add memory barriers for capset cache.
...pu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index ed9c443bb8a1..40cc2f6707cf 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -523,6 +523,9 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
ret = wait_event_timeout(vgdev->resp_wq,
atomic_read(&cache_ent->is_valid), 5 * HZ);
+ /* is_valid check must proceed before copy of the cache entry. */
+ smp_rmb();
+
ptr = cache_ent->caps_cache;
copy_exit:
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 26a2da1f712d..2...
2019 Jul 19
0
[PATCH AUTOSEL 4.9 13/45] drm/virtio: Add memory barriers for capset cache.
...pu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 54639395aba0..a3559b1a3a0f 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -521,6 +521,9 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
ret = wait_event_timeout(vgdev->resp_wq,
atomic_read(&cache_ent->is_valid), 5 * HZ);
+ /* is_valid check must proceed before copy of the cache entry. */
+ smp_rmb();
+
ptr = cache_ent->caps_cache;
copy_exit:
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 52436b3c01bb..a...
2019 Jul 19
0
[PATCH AUTOSEL 4.4 10/35] drm/virtio: Add memory barriers for capset cache.
...pu_ioctl.c b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
index 6296e9f270ca..0b8f8c10f2ed 100644
--- a/drivers/gpu/drm/virtio/virtgpu_ioctl.c
+++ b/drivers/gpu/drm/virtio/virtgpu_ioctl.c
@@ -535,6 +535,9 @@ static int virtio_gpu_get_caps_ioctl(struct drm_device *dev,
ret = wait_event_timeout(vgdev->resp_wq,
atomic_read(&cache_ent->is_valid), 5 * HZ);
+ /* is_valid check must proceed before copy of the cache entry. */
+ smp_rmb();
+
ptr = cache_ent->caps_cache;
copy_exit:
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 52436b3c01bb..a...