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authorDave Airlie <airlied@redhat.com>2025-07-04 09:06:56 +1000
committerDave Airlie <airlied@redhat.com>2025-07-04 09:06:57 +1000
commitb91e11ec5cd972dc39121496c3a0cf2ec2e9a393 (patch)
tree2b44cbf37bc8c81f9605baeb24419f81ca2ff816 /include
parentbf906c988d77d9cdfb52a7d19ad9b183991271a3 (diff)
parent226862f50a7a88e4e4de9abbf36c64d19acd6fd0 (diff)
Merge tag 'drm-misc-fixes-2025-07-03' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes
drm-misc-fixes for v6.16-rc5: - Replace simple panel lookup hack with proper fix. - nullpointer deref in vesadrm fix. - fix dma_resv_wait_timeout. - fix error handling in ttm_buffer_object_transfer. - bridge fixes. - Fix vmwgfx accidentally allocating encrypted memory. - Fix race in spsc_queue_push() - Add refcount on backing GEM objects during fb creation. - Fix v3d irq's being enabled during gpu reset. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Link: https://lore.kernel.org/r/a7461418-08dc-4b7c-b2fa-264155f66d5e@linux.intel.com
Diffstat (limited to 'include')
-rw-r--r--include/drm/drm_mipi_dsi.h3
-rw-r--r--include/drm/spsc_queue.h4
2 files changed, 6 insertions, 1 deletions
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index b37860f4a895..6d2c08e81101 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -223,6 +223,9 @@ struct mipi_dsi_multi_context {
#define to_mipi_dsi_device(__dev) container_of_const(__dev, struct mipi_dsi_device, dev)
+extern const struct bus_type mipi_dsi_bus_type;
+#define dev_is_mipi_dsi(dev) ((dev)->bus == &mipi_dsi_bus_type)
+
/**
* mipi_dsi_pixel_format_to_bpp - obtain the number of bits per pixel for any
* given pixel format defined by the MIPI DSI
diff --git a/include/drm/spsc_queue.h b/include/drm/spsc_queue.h
index 125f096c88cb..ee9df8cc67b7 100644
--- a/include/drm/spsc_queue.h
+++ b/include/drm/spsc_queue.h
@@ -70,9 +70,11 @@ static inline bool spsc_queue_push(struct spsc_queue *queue, struct spsc_node *n
preempt_disable();
+ atomic_inc(&queue->job_count);
+ smp_mb__after_atomic();
+
tail = (struct spsc_node **)atomic_long_xchg(&queue->tail, (long)&node->next);
WRITE_ONCE(*tail, node);
- atomic_inc(&queue->job_count);
/*
* In case of first element verify new node will be visible to the consumer