Merge tag 'drm-misc-next-2021-07-16' of git://anongit.freedesktop.org/drm/drm-misc into drm-next

drm-misc-next for v5.15:

UAPI Changes:

Cross-subsystem Changes:
- udmabuf: Add support for mapping hugepages
- Add dma-buf stats to sysfs.
- Assorted fixes to fbdev/omap2.
- dma-buf: Document DMA_BUF_IOCTL_SYNC
- Improve dma-buf non-dynamic exporter expectations better.
- Add module parameters for dma-buf size and list limit.
- Add HDMI codec support to vc4, to replace vc4's own codec.
- Document dma-buf implicit fencing rules.
- dma_resv_test_signaled test_all handling.

Core Changes:
- Extract i915's eDP backlight code into DRM helpers.
- Assorted docbook updates.
- Rework drm_dp_aux documentation.
- Add support for the DP aux bus.
- Shrink dma-fence-chain slightly.
- Add alloc/free helpers for dma-fence-chain.
- Assorted fixes to TTM., drm/of, bridge
- drm_gem_plane_helper_prepare/cleanup_fb is now the default for gem drivers.
- Small fix for scheduler completion.
- Remove use of drm_device.irq_enabled.
- Print the driver name to dmesg when registering framebuffer.
- Export drm/gem's shadow plane handling, and use it in vkms.
- Assorted small fixes.

Driver Changes:
- Add eDP backlight to nouveau.
- Assorted fixes and cleanups to nouveau, panfrost, vmwgfx, anx7625,
  amdgpu, gma500, radeon, mgag200, vgem, vc4, vkms, omapdrm.
- Add support for Samsung DB7430, Samsung ATNA33XC20, EDT ETMV570G2DHU,
  EDT ETM0350G0DH6, Innolux EJ030NA panels.
- Fix some simple pannels missing bus_format and connector types.
- Add mks-guest-stats instrumentation support to vmwgfx.
- Merge i915-ttm topic branch.
- Make s6e63m0 panel use Mipi-DBI helpers.
- Add detect() supoprt for AST.
- Use interrupts for hotplug on vc4.
- vmwgfx is now moved to drm-misc-next, as sroland is no longer a maintainer for now.
- vmwgfx now uses copies of vmware's internal device headers.
- Slowly convert ti-sn65dsi83 over to atomic.
- Rework amdgpu dma-resv handling.
- Fix virtio fencing for planes.
- Ensure amdgpu can always evict to SYSTEM.
- Many drivers fixed for implicit fencing rules.
- Set default prepare/cleanup fb for tiny, vram and simple helpers too.
- Rework panfrost gpu reset and related serialization.
- Update VKMS todo list.
- Make bochs a tiny gpu driver, and use vram helper.
- Use linux irq interfaces instead of drm_irq in some drivers.
- Add support for Raspberry Pi Pico to GUD.

Signed-off-by: Dave Airlie <[email protected]>

# gpg: Signature made Fri 16 Jul 2021 21:06:04 AEST
# gpg:                using RSA key B97BD6A80CAC4981091AE547FE558C72A67013C3
# gpg: Good signature from "Maarten Lankhorst <[email protected]>" [expired]
# gpg:                 aka "Maarten Lankhorst <[email protected]>" [expired]
# gpg:                 aka "Maarten Lankhorst <[email protected]>" [expired]
# gpg: Note: This key has expired!
# Primary key fingerprint: B97B D6A8 0CAC 4981 091A  E547 FE55 8C72 A670 13C3
From: Maarten Lankhorst <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]

1 files changed, 51 insertions, 13 deletions

diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
index 4e1b17548007..a49fd9480381 100644
--- a/drivers/gpu/drm/virtio/virtgpu_plane.c
+++ b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -129,6 +129,40 @@ static void virtio_gpu_update_dumb_bo(struct virtio_gpu_device *vgdev,
 					   objs, NULL);
 }
 
+static void virtio_gpu_resource_flush(struct drm_plane *plane,
+				      uint32_t x, uint32_t y,
+				      uint32_t width, uint32_t height)
+{
+	struct drm_device *dev = plane->dev;
+	struct virtio_gpu_device *vgdev = dev->dev_private;
+	struct virtio_gpu_framebuffer *vgfb;
+	struct virtio_gpu_object *bo;
+
+	vgfb = to_virtio_gpu_framebuffer(plane->state->fb);
+	bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]);
+	if (vgfb->fence) {
+		struct virtio_gpu_object_array *objs;
+
+		objs = virtio_gpu_array_alloc(1);
+		if (!objs)
+			return;
+		virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]);
+		virtio_gpu_array_lock_resv(objs);
+		virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle, x, y,
+					      width, height, objs, vgfb->fence);
+		virtio_gpu_notify(vgdev);
+
+		dma_fence_wait_timeout(&vgfb->fence->f, true,
+				       msecs_to_jiffies(50));
+		dma_fence_put(&vgfb->fence->f);
+		vgfb->fence = NULL;
+	} else {
+		virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle, x, y,
+					      width, height, NULL, NULL);
+		virtio_gpu_notify(vgdev);
+	}
+}
+
 static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
 					    struct drm_atomic_state *state)
 {
@@ -198,16 +232,15 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane,
 		}
 	}
 
-	virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle,
-				      rect.x1,
-				      rect.y1,
-				      rect.x2 - rect.x1,
-				      rect.y2 - rect.y1);
-	virtio_gpu_notify(vgdev);
+	virtio_gpu_resource_flush(plane,
+				  rect.x1,
+				  rect.y1,
+				  rect.x2 - rect.x1,
+				  rect.y2 - rect.y1);
 }
 
-static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane,
-					struct drm_plane_state *new_state)
+static int virtio_gpu_plane_prepare_fb(struct drm_plane *plane,
+				       struct drm_plane_state *new_state)
 {
 	struct drm_device *dev = plane->dev;
 	struct virtio_gpu_device *vgdev = dev->dev_private;
@@ -219,7 +252,10 @@ static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane,
 
 	vgfb = to_virtio_gpu_framebuffer(new_state->fb);
 	bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]);
-	if (bo && bo->dumb && (plane->state->fb != new_state->fb)) {
+	if (!bo || (plane->type == DRM_PLANE_TYPE_PRIMARY && !bo->guest_blob))
+		return 0;
+
+	if (bo->dumb && (plane->state->fb != new_state->fb)) {
 		vgfb->fence = virtio_gpu_fence_alloc(vgdev);
 		if (!vgfb->fence)
 			return -ENOMEM;
@@ -228,8 +264,8 @@ static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane,
 	return 0;
 }
 
-static void virtio_gpu_cursor_cleanup_fb(struct drm_plane *plane,
-					 struct drm_plane_state *old_state)
+static void virtio_gpu_plane_cleanup_fb(struct drm_plane *plane,
+					struct drm_plane_state *old_state)
 {
 	struct virtio_gpu_framebuffer *vgfb;
 
@@ -321,13 +357,15 @@ static void virtio_gpu_cursor_plane_update(struct drm_plane *plane,
 }
 
 static const struct drm_plane_helper_funcs virtio_gpu_primary_helper_funcs = {
+	.prepare_fb		= virtio_gpu_plane_prepare_fb,
+	.cleanup_fb		= virtio_gpu_plane_cleanup_fb,
 	.atomic_check		= virtio_gpu_plane_atomic_check,
 	.atomic_update		= virtio_gpu_primary_plane_update,
 };
 
 static const struct drm_plane_helper_funcs virtio_gpu_cursor_helper_funcs = {
-	.prepare_fb		= virtio_gpu_cursor_prepare_fb,
-	.cleanup_fb		= virtio_gpu_cursor_cleanup_fb,
+	.prepare_fb		= virtio_gpu_plane_prepare_fb,
+	.cleanup_fb		= virtio_gpu_plane_cleanup_fb,
 	.atomic_check		= virtio_gpu_plane_atomic_check,
 	.atomic_update		= virtio_gpu_cursor_plane_update,
 };