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-rw-r--r--include/drm/drm_bridge_connector.h2
-rw-r--r--include/drm/drm_debugfs.h18
-rw-r--r--include/drm/drm_device.h17
-rw-r--r--include/drm/drm_format_helper.h16
-rw-r--r--include/drm/drm_mipi_dsi.h39
-rw-r--r--include/drm/drm_modeset_helper_vtables.h22
-rw-r--r--include/uapi/drm/drm_fourcc.h12
7 files changed, 112 insertions, 14 deletions
diff --git a/include/drm/drm_bridge_connector.h b/include/drm/drm_bridge_connector.h
index 33f6c3bbdb4a..69630815fb09 100644
--- a/include/drm/drm_bridge_connector.h
+++ b/include/drm/drm_bridge_connector.h
@@ -10,8 +10,6 @@ struct drm_connector;
struct drm_device;
struct drm_encoder;
-void drm_bridge_connector_enable_hpd(struct drm_connector *connector);
-void drm_bridge_connector_disable_hpd(struct drm_connector *connector);
struct drm_connector *drm_bridge_connector_init(struct drm_device *drm,
struct drm_encoder *encoder);
diff --git a/include/drm/drm_debugfs.h b/include/drm/drm_debugfs.h
index 53b7297260a5..7616f457ce70 100644
--- a/include/drm/drm_debugfs.h
+++ b/include/drm/drm_debugfs.h
@@ -86,9 +86,22 @@ struct drm_info_node {
* core.
*/
struct drm_debugfs_info {
+ /** @name: File name */
const char *name;
+
+ /**
+ * @show:
+ *
+ * Show callback. &seq_file->private will be set to the &struct
+ * drm_debugfs_entry corresponding to the instance of this info
+ * on a given &struct drm_device.
+ */
int (*show)(struct seq_file*, void*);
+
+ /** @driver_features: Required driver features for this entry. */
u32 driver_features;
+
+ /** @data: Driver-private data, should not be device-specific. */
void *data;
};
@@ -99,8 +112,13 @@ struct drm_debugfs_info {
* drm_debugfs_info on a &struct drm_device.
*/
struct drm_debugfs_entry {
+ /** @dev: &struct drm_device for this node. */
struct drm_device *dev;
+
+ /** @file: Template for this node. */
struct drm_debugfs_info file;
+
+ /** @list: Linked list of all device nodes. */
struct list_head list;
};
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index a68c6a312b46..7cf4afae2e79 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -87,10 +87,23 @@ struct drm_device {
*/
void *dev_private;
- /** @primary: Primary node */
+ /**
+ * @primary:
+ *
+ * Primary node. Drivers should not interact with this
+ * directly. debugfs interfaces can be registered with
+ * drm_debugfs_add_file(), and sysfs should be directly added on the
+ * hardware (and not character device node) struct device @dev.
+ */
struct drm_minor *primary;
- /** @render: Render node */
+ /**
+ * @render:
+ *
+ * Render node. Drivers should not interact with this directly ever.
+ * Drivers should not expose any additional interfaces in debugfs or
+ * sysfs on this node.
+ */
struct drm_minor *render;
/** @accel: Compute Acceleration node */
diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h
index eb5c98cf82b8..291deb09475b 100644
--- a/include/drm/drm_format_helper.h
+++ b/include/drm/drm_format_helper.h
@@ -30,12 +30,27 @@ void drm_fb_xrgb8888_to_rgb332(struct iosys_map *dst, const unsigned int *dst_pi
void drm_fb_xrgb8888_to_rgb565(struct iosys_map *dst, const unsigned int *dst_pitch,
const struct iosys_map *src, const struct drm_framebuffer *fb,
const struct drm_rect *clip, bool swab);
+void drm_fb_xrgb8888_to_xrgb1555(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_argb1555(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_rgba5551(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
void drm_fb_xrgb8888_to_rgb888(struct iosys_map *dst, const unsigned int *dst_pitch,
const struct iosys_map *src, const struct drm_framebuffer *fb,
const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_argb8888(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
void drm_fb_xrgb8888_to_xrgb2101010(struct iosys_map *dst, const unsigned int *dst_pitch,
const struct iosys_map *src, const struct drm_framebuffer *fb,
const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_argb2101010(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
void drm_fb_xrgb8888_to_gray8(struct iosys_map *dst, const unsigned int *dst_pitch,
const struct iosys_map *src, const struct drm_framebuffer *fb,
const struct drm_rect *clip);
@@ -50,7 +65,6 @@ void drm_fb_xrgb8888_to_mono(struct iosys_map *dst, const unsigned int *dst_pitc
size_t drm_fb_build_fourcc_list(struct drm_device *dev,
const u32 *native_fourccs, size_t native_nfourccs,
- const u32 *extra_fourccs, size_t extra_nfourccs,
u32 *fourccs_out, size_t nfourccs_out);
#endif /* __LINUX_DRM_FORMAT_HELPER_H */
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index 20b21b577dea..4f503d99f668 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -298,20 +298,41 @@ int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi,
u16 *brightness);
/**
+ * mipi_dsi_generic_write_seq - transmit data using a generic write packet
+ * @dsi: DSI peripheral device
+ * @seq: buffer containing the payload
+ */
+#define mipi_dsi_generic_write_seq(dsi, seq...) \
+ do { \
+ static const u8 d[] = { seq }; \
+ struct device *dev = &dsi->dev; \
+ int ret; \
+ ret = mipi_dsi_generic_write(dsi, d, ARRAY_SIZE(d)); \
+ if (ret < 0) { \
+ dev_err_ratelimited(dev, "transmit data failed: %d\n", \
+ ret); \
+ return ret; \
+ } \
+ } while (0)
+
+/**
* mipi_dsi_dcs_write_seq - transmit a DCS command with payload
* @dsi: DSI peripheral device
* @cmd: Command
* @seq: buffer containing data to be transmitted
*/
-#define mipi_dsi_dcs_write_seq(dsi, cmd, seq...) do { \
- static const u8 d[] = { cmd, seq }; \
- struct device *dev = &dsi->dev; \
- int ret; \
- ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \
- if (ret < 0) { \
- dev_err_ratelimited(dev, "sending command %#02x failed: %d\n", cmd, ret); \
- return ret; \
- } \
+#define mipi_dsi_dcs_write_seq(dsi, cmd, seq...) \
+ do { \
+ static const u8 d[] = { cmd, seq }; \
+ struct device *dev = &dsi->dev; \
+ int ret; \
+ ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d)); \
+ if (ret < 0) { \
+ dev_err_ratelimited( \
+ dev, "sending command %#02x failed: %d\n", \
+ cmd, ret); \
+ return ret; \
+ } \
} while (0)
/**
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index d9f2254a039a..77a540ad7dcd 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -1143,6 +1143,28 @@ struct drm_connector_helper_funcs {
*/
void (*cleanup_writeback_job)(struct drm_writeback_connector *connector,
struct drm_writeback_job *job);
+
+ /**
+ * @enable_hpd:
+ *
+ * Enable hot-plug detection for the connector.
+ *
+ * This operation is optional.
+ *
+ * This callback is used by the drm_kms_helper_poll_enable() helpers.
+ */
+ void (*enable_hpd)(struct drm_connector *connector);
+
+ /**
+ * @disable_hpd:
+ *
+ * Disable hot-plug detection for the connector.
+ *
+ * This operation is optional.
+ *
+ * This callback is used by the drm_kms_helper_poll_disable() helpers.
+ */
+ void (*disable_hpd)(struct drm_connector *connector);
};
/**
diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h
index bc056f2d537d..de703c6be969 100644
--- a/include/uapi/drm/drm_fourcc.h
+++ b/include/uapi/drm/drm_fourcc.h
@@ -88,6 +88,18 @@ extern "C" {
*
* The authoritative list of format modifier codes is found in
* `include/uapi/drm/drm_fourcc.h`
+ *
+ * Open Source User Waiver
+ * -----------------------
+ *
+ * Because this is the authoritative source for pixel formats and modifiers
+ * referenced by GL, Vulkan extensions and other standards and hence used both
+ * by open source and closed source driver stacks, the usual requirement for an
+ * upstream in-kernel or open source userspace user does not apply.
+ *
+ * To ensure, as much as feasible, compatibility across stacks and avoid
+ * confusion with incompatible enumerations stakeholders for all relevant driver
+ * stacks should approve additions.
*/
#define fourcc_code(a, b, c, d) ((__u32)(a) | ((__u32)(b) << 8) | \
generated by cgit v1.2.3 (git 2.0.4) at 2026-04-18 09:02:58 +0000