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-rw-r--r--include/drm/bridge/inno_hdmi.h35
-rw-r--r--include/drm/bridge/samsung-dsim.h1
-rw-r--r--include/drm/display/drm_dp_helper.h3
-rw-r--r--include/drm/drm_atomic.h44
-rw-r--r--include/drm/drm_bridge.h156
-rw-r--r--include/drm/drm_connector.h105
-rw-r--r--include/drm/drm_device.h15
-rw-r--r--include/drm/drm_fb_helper.h21
-rw-r--r--include/drm/drm_file.h7
-rw-r--r--include/drm/drm_gem.h45
-rw-r--r--include/drm/drm_gem_shmem_helper.h14
-rw-r--r--include/drm/drm_gpusvm.h29
-rw-r--r--include/drm/drm_gpuvm.h12
-rw-r--r--include/drm/drm_mode_object.h3
-rw-r--r--include/drm/drm_modeset_helper_vtables.h23
-rw-r--r--include/drm/drm_of.h6
-rw-r--r--include/drm/drm_pagemap.h106
-rw-r--r--include/drm/drm_pagemap_util.h92
-rw-r--r--include/drm/drm_property.h1
-rw-r--r--include/drm/drm_vblank.h3
-rw-r--r--include/drm/gpu_scheduler.h52
-rw-r--r--include/drm/intel/display_parent_interface.h104
-rw-r--r--include/drm/intel/intel_lb_mei_interface.h3
23 files changed, 738 insertions, 142 deletions
diff --git a/include/drm/bridge/inno_hdmi.h b/include/drm/bridge/inno_hdmi.h
new file mode 100644
index 000000000000..5bbcaeea94e2
--- /dev/null
+++ b/include/drm/bridge/inno_hdmi.h
@@ -0,0 +1,35 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2025 Rockchip Electronics Co., Ltd.
+ */
+
+#ifndef __INNO_HDMI__
+#define __INNO_HDMI__
+
+#include <linux/types.h>
+
+struct device;
+struct drm_encoder;
+struct drm_display_mode;
+struct inno_hdmi;
+
+struct inno_hdmi_plat_ops {
+ void (*enable)(struct device *pdev, struct drm_display_mode *mode);
+};
+
+struct inno_hdmi_phy_config {
+ unsigned long pixelclock;
+ u8 pre_emphasis;
+ u8 voltage_level_control;
+};
+
+struct inno_hdmi_plat_data {
+ const struct inno_hdmi_plat_ops *ops;
+ struct inno_hdmi_phy_config *phy_configs;
+ struct inno_hdmi_phy_config *default_phy_config;
+};
+
+struct inno_hdmi *inno_hdmi_bind(struct device *pdev,
+ struct drm_encoder *encoder,
+ const struct inno_hdmi_plat_data *plat_data);
+#endif /* __INNO_HDMI__ */
diff --git a/include/drm/bridge/samsung-dsim.h b/include/drm/bridge/samsung-dsim.h
index 31d7ed589233..03005e474704 100644
--- a/include/drm/bridge/samsung-dsim.h
+++ b/include/drm/bridge/samsung-dsim.h
@@ -100,7 +100,6 @@ struct samsung_dsim_plat_data {
struct samsung_dsim {
struct mipi_dsi_host dsi_host;
struct drm_bridge bridge;
- struct drm_bridge *out_bridge;
struct device *dev;
struct drm_display_mode mode;
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index 14d2859f0bda..1d0acd58f486 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -206,6 +206,9 @@ drm_dp_is_branch(const u8 dpcd[DP_RECEIVER_CAP_SIZE])
/* DP/eDP DSC support */
u8 drm_dp_dsc_sink_bpp_incr(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]);
+u32 drm_dp_dsc_slice_count_to_mask(int slice_count);
+u32 drm_dp_dsc_sink_slice_count_mask(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
+ bool is_edp);
u8 drm_dp_dsc_sink_max_slice_count(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE],
bool is_edp);
u8 drm_dp_dsc_sink_line_buf_depth(const u8 dsc_dpcd[DP_DSC_RECEIVER_CAP_SIZE]);
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 43783891d359..178f8f62c80f 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -30,7 +30,6 @@
#include <drm/drm_crtc.h>
#include <drm/drm_util.h>
-#include <drm/drm_colorop.h>
/**
* struct drm_crtc_commit - track modeset commits on a CRTC
@@ -340,6 +339,11 @@ struct drm_private_state_funcs {
*/
struct drm_private_obj {
/**
+ * @dev: parent DRM device
+ */
+ struct drm_device *dev;
+
+ /**
* @head: List entry used to attach a private object to a &drm_device
* (queued to &drm_mode_config.privobj_list).
*/
@@ -707,6 +711,14 @@ drm_atomic_get_plane_state(struct drm_atomic_state *state,
struct drm_colorop_state *
drm_atomic_get_colorop_state(struct drm_atomic_state *state,
struct drm_colorop *colorop);
+
+struct drm_colorop_state *
+drm_atomic_get_old_colorop_state(struct drm_atomic_state *state,
+ struct drm_colorop *colorop);
+struct drm_colorop_state *
+drm_atomic_get_new_colorop_state(struct drm_atomic_state *state,
+ struct drm_colorop *colorop);
+
struct drm_connector_state * __must_check
drm_atomic_get_connector_state(struct drm_atomic_state *state,
struct drm_connector *connector);
@@ -804,36 +816,6 @@ drm_atomic_get_new_plane_state(const struct drm_atomic_state *state,
}
/**
- * drm_atomic_get_old_colorop_state - get colorop state, if it exists
- * @state: global atomic state object
- * @colorop: colorop to grab
- *
- * This function returns the old colorop state for the given colorop, or
- * NULL if the colorop is not part of the global atomic state.
- */
-static inline struct drm_colorop_state *
-drm_atomic_get_old_colorop_state(struct drm_atomic_state *state,
- struct drm_colorop *colorop)
-{
- return state->colorops[drm_colorop_index(colorop)].old_state;
-}
-
-/**
- * drm_atomic_get_new_colorop_state - get colorop state, if it exists
- * @state: global atomic state object
- * @colorop: colorop to grab
- *
- * This function returns the new colorop state for the given colorop, or
- * NULL if the colorop is not part of the global atomic state.
- */
-static inline struct drm_colorop_state *
-drm_atomic_get_new_colorop_state(struct drm_atomic_state *state,
- struct drm_colorop *colorop)
-{
- return state->colorops[drm_colorop_index(colorop)].new_state;
-}
-
-/**
* drm_atomic_get_old_connector_state - get connector state, if it exists
* @state: global atomic state object
* @connector: connector to grab
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index dbafe136833f..4f19f7064ee3 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -614,6 +614,7 @@ struct drm_bridge_funcs {
* controllers for HDMI bridges.
*/
void (*hpd_notify)(struct drm_bridge *bridge,
+ struct drm_connector *connector,
enum drm_connector_status status);
/**
@@ -667,29 +668,113 @@ struct drm_bridge_funcs {
unsigned long long tmds_rate);
/**
- * @hdmi_clear_infoframe:
+ * @hdmi_clear_avi_infoframe:
*
* This callback clears the infoframes in the hardware during commit.
- * It will be called multiple times, once for every disabled infoframe
- * type.
*
* This callback is optional but it must be implemented by bridges that
* set the DRM_BRIDGE_OP_HDMI flag in their &drm_bridge->ops.
*/
- int (*hdmi_clear_infoframe)(struct drm_bridge *bridge,
- enum hdmi_infoframe_type type);
+ int (*hdmi_clear_avi_infoframe)(struct drm_bridge *bridge);
+
+ /**
+ * @hdmi_write_avi_infoframe:
+ *
+ * Program the infoframe into the hardware.
+ *
+ * This callback is optional but it must be implemented by bridges that
+ * set the DRM_BRIDGE_OP_HDMI flag in their &drm_bridge->ops.
+ */
+ int (*hdmi_write_avi_infoframe)(struct drm_bridge *bridge,
+ const u8 *buffer, size_t len);
+
/**
- * @hdmi_write_infoframe:
+ * @hdmi_clear_hdmi_infoframe:
*
- * Program the infoframe into the hardware. It will be called multiple
- * times, once for every updated infoframe type.
+ * This callback clears the infoframes in the hardware during commit.
*
* This callback is optional but it must be implemented by bridges that
* set the DRM_BRIDGE_OP_HDMI flag in their &drm_bridge->ops.
*/
- int (*hdmi_write_infoframe)(struct drm_bridge *bridge,
- enum hdmi_infoframe_type type,
- const u8 *buffer, size_t len);
+ int (*hdmi_clear_hdmi_infoframe)(struct drm_bridge *bridge);
+
+ /**
+ * @hdmi_write_hdmi_infoframe:
+ *
+ * Program the infoframe into the hardware.
+ *
+ * This callback is optional but it must be implemented by bridges that
+ * set the DRM_BRIDGE_OP_HDMI flag in their &drm_bridge->ops.
+ */
+ int (*hdmi_write_hdmi_infoframe)(struct drm_bridge *bridge,
+ const u8 *buffer, size_t len);
+
+ /**
+ * @hdmi_clear_hdr_drm_infoframe:
+ *
+ * This callback clears the infoframes in the hardware during commit.
+ *
+ * This callback is optional but it must be implemented by bridges that
+ * set the DRM_BRIDGE_OP_HDMI_HDR_DRM_INFOFRAME flag in their
+ * &drm_bridge->ops.
+ */
+ int (*hdmi_clear_hdr_drm_infoframe)(struct drm_bridge *bridge);
+
+ /**
+ * @hdmi_write_hdr_drm_infoframe:
+ *
+ * Program the infoframe into the hardware.
+ *
+ * This callback is optional but it must be implemented by bridges that
+ * set the DRM_BRIDGE_OP_HDMI_HDR_DRM_INFOFRAME flag in their
+ * &drm_bridge->ops.
+ */
+ int (*hdmi_write_hdr_drm_infoframe)(struct drm_bridge *bridge,
+ const u8 *buffer, size_t len);
+
+ /**
+ * @hdmi_clear_spd_infoframe:
+ *
+ * This callback clears the infoframes in the hardware during commit.
+ *
+ * This callback is optional but it must be implemented by bridges that
+ * set the DRM_BRIDGE_OP_HDMI_SPD_INFOFRAME flag in their
+ * &drm_bridge->ops.
+ */
+ int (*hdmi_clear_spd_infoframe)(struct drm_bridge *bridge);
+
+ /**
+ * @hdmi_write_spd_infoframe:
+ *
+ * Program the infoframe into the hardware.
+ *
+ * This callback is optional but it must be implemented by bridges that
+ * set the DRM_BRIDGE_OP_HDMI_SPD_INFOFRAME flag in their
+ * &drm_bridge->ops.
+ */
+ int (*hdmi_write_spd_infoframe)(struct drm_bridge *bridge,
+ const u8 *buffer, size_t len);
+
+ /**
+ * @hdmi_clear_audio_infoframe:
+ *
+ * This callback clears the infoframes in the hardware during commit.
+ *
+ * This callback is optional but it must be implemented by bridges that
+ * set the DRM_BRIDGE_OP_HDMI_AUDIO flag in their &drm_bridge->ops.
+ */
+ int (*hdmi_clear_audio_infoframe)(struct drm_bridge *bridge);
+
+ /**
+ * @hdmi_write_audio_infoframe:
+ *
+ * Program the infoframe into the hardware.
+ *
+ * This callback is optional but it must be implemented by bridges that
+ * set the DRM_BRIDGE_OP_HDMI_AUDIO flag in their &drm_bridge->ops.
+ */
+ int (*hdmi_write_audio_infoframe)(struct drm_bridge *bridge,
+ const u8 *buffer, size_t len);
/**
* @hdmi_audio_startup:
@@ -945,7 +1030,11 @@ enum drm_bridge_ops {
/**
* @DRM_BRIDGE_OP_HDMI: The bridge provides HDMI connector operations,
* including infoframes support. Bridges that set this flag must
- * implement the &drm_bridge_funcs->write_infoframe callback.
+ * provide HDMI-related information and implement the
+ * &drm_bridge_funcs->clear_avi_infoframe,
+ * &drm_bridge_funcs->write_avi_infoframe,
+ * &drm_bridge_funcs->clear_hdmi_infoframe and
+ * &drm_bridge_funcs->write_hdmi_infoframe callbacks.
*
* Note: currently there can be at most one bridge in a chain that sets
* this bit. This is to simplify corresponding glue code in connector
@@ -957,6 +1046,9 @@ enum drm_bridge_ops {
* Bridges that set this flag must implement the
* &drm_bridge_funcs->hdmi_audio_prepare and
* &drm_bridge_funcs->hdmi_audio_shutdown callbacks.
+ * If the bridge implements @DRM_BRIDGE_OP_HDMI, it also must implement
+ * &drm_bridge_funcs->hdmi_write_audio_infoframe and
+ * &drm_bridge_funcs->hdmi_cleaer_audio_infoframe callbacks.
*
* Note: currently there can be at most one bridge in a chain that sets
* this bit. This is to simplify corresponding glue code in connector
@@ -988,6 +1080,18 @@ enum drm_bridge_ops {
* to be present.
*/
DRM_BRIDGE_OP_HDMI_CEC_ADAPTER = BIT(8),
+ /**
+ * @DRM_BRIDGE_OP_HDMI_HDR_DRM_INFOFRAME: The bridge supports
+ * &drm_bridge_funcs->hdmi_write_hdr_drm_infoframe and
+ * &drm_bridge_funcs->hdmi_clear_hdr_drm_infoframe callbacks.
+ */
+ DRM_BRIDGE_OP_HDMI_HDR_DRM_INFOFRAME = BIT(9),
+ /**
+ * @DRM_BRIDGE_OP_HDMI_SPD_INFOFRAME: The bridge supports
+ * &drm_bridge_funcs->hdmi_write_spd_infoframe and
+ * &drm_bridge_funcs->hdmi_clear_spd_infoframe callbacks.
+ */
+ DRM_BRIDGE_OP_HDMI_SPD_INFOFRAME = BIT(10),
};
/**
@@ -1026,6 +1130,14 @@ struct drm_bridge {
*/
struct kref refcount;
+ /**
+ * @unplugged:
+ *
+ * Flag to tell if the bridge has been unplugged.
+ * See drm_bridge_enter() and drm_bridge_unplug().
+ */
+ bool unplugged;
+
/** @driver_private: pointer to the bridge driver's internal context */
void *driver_private;
/** @ops: bitmask of operations supported by the bridge */
@@ -1153,6 +1265,17 @@ struct drm_bridge {
* @hpd_cb.
*/
void *hpd_data;
+
+ /**
+ * @next_bridge: Pointer to the following bridge, automatically put
+ * when this bridge is freed (i.e. at destroy time). This is for
+ * drivers needing to store a pointer to the next bridge in the
+ * chain, and ensures any code still holding a reference to this
+ * bridge after its removal cannot use-after-free the next
+ * bridge. Any other bridge pointers stored by the driver must be
+ * put in the .destroy callback by driver code.
+ */
+ struct drm_bridge *next_bridge;
};
static inline struct drm_bridge *
@@ -1161,6 +1284,10 @@ drm_priv_to_bridge(struct drm_private_obj *priv)
return container_of(priv, struct drm_bridge, base);
}
+bool drm_bridge_enter(struct drm_bridge *bridge, int *idx);
+void drm_bridge_exit(int idx);
+void drm_bridge_unplug(struct drm_bridge *bridge);
+
struct drm_bridge *drm_bridge_get(struct drm_bridge *bridge);
void drm_bridge_put(struct drm_bridge *bridge);
@@ -1196,8 +1323,13 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
enum drm_bridge_attach_flags flags);
#ifdef CONFIG_OF
+struct drm_bridge *of_drm_find_and_get_bridge(struct device_node *np);
struct drm_bridge *of_drm_find_bridge(struct device_node *np);
#else
+static inline struct drm_bridge *of_drm_find_and_get_bridge(struct device_node *np)
+{
+ return NULL;
+}
static inline struct drm_bridge *of_drm_find_bridge(struct device_node *np)
{
return NULL;
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 8f34f4b8183d..7eaec37ae1c7 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1222,44 +1222,24 @@ struct drm_connector_cec_funcs {
};
/**
- * struct drm_connector_hdmi_funcs - drm_hdmi_connector control functions
+ * struct drm_connector_infoframe_funcs - InfoFrame-related functions
*/
-struct drm_connector_hdmi_funcs {
- /**
- * @tmds_char_rate_valid:
- *
- * This callback is invoked at atomic_check time to figure out
- * whether a particular TMDS character rate is supported by the
- * driver.
- *
- * The @tmds_char_rate_valid callback is optional.
- *
- * Returns:
- *
- * Either &drm_mode_status.MODE_OK or one of the failure reasons
- * in &enum drm_mode_status.
- */
- enum drm_mode_status
- (*tmds_char_rate_valid)(const struct drm_connector *connector,
- const struct drm_display_mode *mode,
- unsigned long long tmds_rate);
-
+struct drm_connector_infoframe_funcs {
/**
* @clear_infoframe:
*
* This callback is invoked through
* @drm_atomic_helper_connector_hdmi_update_infoframes during a
* commit to clear the infoframes into the hardware. It will be
- * called multiple times, once for every disabled infoframe
- * type.
+ * called once for each frame type to be disabled.
*
- * The @clear_infoframe callback is optional.
+ * The @clear_infoframe callback is mandatory for AVI and HDMI-VS
+ * InfoFrame types.
*
* Returns:
* 0 on success, a negative error code otherwise
*/
- int (*clear_infoframe)(struct drm_connector *connector,
- enum hdmi_infoframe_type type);
+ int (*clear_infoframe)(struct drm_connector *connector);
/**
* @write_infoframe:
@@ -1267,18 +1247,42 @@ struct drm_connector_hdmi_funcs {
* This callback is invoked through
* @drm_atomic_helper_connector_hdmi_update_infoframes during a
* commit to program the infoframes into the hardware. It will
- * be called multiple times, once for every updated infoframe
- * type.
+ * be called for every updated infoframe type.
*
- * The @write_infoframe callback is mandatory.
+ * The @write_infoframe callback is mandatory for AVI and HDMI-VS
+ * InfoFrame types.
*
* Returns:
* 0 on success, a negative error code otherwise
*/
int (*write_infoframe)(struct drm_connector *connector,
- enum hdmi_infoframe_type type,
const u8 *buffer, size_t len);
+};
+
+/**
+ * struct drm_connector_hdmi_funcs - drm_hdmi_connector control functions
+ */
+struct drm_connector_hdmi_funcs {
+ /**
+ * @tmds_char_rate_valid:
+ *
+ * This callback is invoked at atomic_check time to figure out
+ * whether a particular TMDS character rate is supported by the
+ * driver.
+ *
+ * The @tmds_char_rate_valid callback is optional.
+ *
+ * Returns:
+ *
+ * Either &drm_mode_status.MODE_OK or one of the failure reasons
+ * in &enum drm_mode_status.
+ */
+ enum drm_mode_status
+ (*tmds_char_rate_valid)(const struct drm_connector *connector,
+ const struct drm_display_mode *mode,
+ unsigned long long tmds_rate);
+
/**
* @read_edid:
*
@@ -1293,6 +1297,47 @@ struct drm_connector_hdmi_funcs {
* Valid EDID on success, NULL in case of failure.
*/
const struct drm_edid *(*read_edid)(struct drm_connector *connector);
+
+ /**
+ * @avi:
+ *
+ * Set of callbacks for handling the AVI InfoFrame. These callbacks are
+ * mandatory.
+ */
+ struct drm_connector_infoframe_funcs avi;
+
+ /**
+ * @hdmi:
+ *
+ * Set of callbacks for handling the HDMI Vendor-Specific InfoFrame.
+ * These callbacks are mandatory.
+ */
+ struct drm_connector_infoframe_funcs hdmi;
+
+ /**
+ * @audio:
+ *
+ * Set of callbacks for handling the Audio InfoFrame. These callbacks
+ * are optional, but they are required for drivers which use
+ * drm_atomic_helper_connector_hdmi_update_audio_infoframe().
+ */
+ struct drm_connector_infoframe_funcs audio;
+
+ /**
+ * @hdr_drm:
+ *
+ * Set of callbacks for handling the HDR DRM InfoFrame. These callbacks
+ * are mandatory if HDR output is to be supported.
+ */
+ struct drm_connector_infoframe_funcs hdr_drm;
+
+ /**
+ * @spd:
+ *
+ * Set of callbacks for handling the SPD InfoFrame. These callbacks are
+ * optional.
+ */
+ struct drm_connector_infoframe_funcs spd;
};
/**
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index 5af49c5c3778..bc78fb77cc27 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -3,6 +3,9 @@
#include <linux/list.h>
#include <linux/kref.h>
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#include <linux/mount.h>
+#endif
#include <linux/mutex.h>
#include <linux/idr.h>
#include <linux/sched.h>
@@ -168,6 +171,18 @@ struct drm_device {
*/
struct drm_master *master;
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ /**
+ * @huge_mnt:
+ *
+ * Huge tmpfs mountpoint used at GEM object initialization
+ * drm_gem_object_init(). Drivers can call drm_gem_huge_mnt_create() to
+ * create, mount and use it. The default tmpfs mountpoint (`shm_mnt`) is
+ * used if NULL.
+ */
+ struct vfsmount *huge_mnt;
+#endif
+
/**
* @driver_features: per-device driver features
*
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index dd9a18f8de5a..05cca77b7249 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -167,13 +167,6 @@ struct drm_fb_helper {
struct mutex lock;
/**
- * @kernel_fb_list:
- *
- * Entry on the global kernel_fb_helper_list, used for kgdb entry/exit.
- */
- struct list_head kernel_fb_list;
-
- /**
* @delayed_hotplug:
*
* A hotplug was received while fbdev wasn't in control of the DRM
@@ -236,8 +229,6 @@ drm_fb_helper_from_client(struct drm_client_dev *client)
.fb_setcmap = drm_fb_helper_setcmap, \
.fb_blank = drm_fb_helper_blank, \
.fb_pan_display = drm_fb_helper_pan_display, \
- .fb_debug_enter = drm_fb_helper_debug_enter, \
- .fb_debug_leave = drm_fb_helper_debug_leave, \
.fb_ioctl = drm_fb_helper_ioctl
#ifdef CONFIG_DRM_FBDEV_EMULATION
@@ -280,8 +271,6 @@ int drm_fb_helper_ioctl(struct fb_info *info, unsigned int cmd,
int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper);
int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper);
-int drm_fb_helper_debug_enter(struct fb_info *info);
-int drm_fb_helper_debug_leave(struct fb_info *info);
#else
static inline void drm_fb_helper_prepare(struct drm_device *dev,
struct drm_fb_helper *helper,
@@ -387,16 +376,6 @@ static inline int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper)
{
return 0;
}
-
-static inline int drm_fb_helper_debug_enter(struct fb_info *info)
-{
- return 0;
-}
-
-static inline int drm_fb_helper_debug_leave(struct fb_info *info)
-{
- return 0;
-}
#endif
#endif
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index 1a3018e4a537..6ee70ad65e1f 100644
--- a/include/drm/drm_file.h
+++ b/include/drm/drm_file.h
@@ -33,6 +33,7 @@
#include <linux/types.h>
#include <linux/completion.h>
#include <linux/idr.h>
+#include <linux/xarray.h>
#include <uapi/drm/drm.h>
@@ -316,10 +317,8 @@ struct drm_file {
/** @table_lock: Protects @object_idr. */
spinlock_t table_lock;
- /** @syncobj_idr: Mapping of sync object handles to object pointers. */
- struct idr syncobj_idr;
- /** @syncobj_table_lock: Protects @syncobj_idr. */
- spinlock_t syncobj_table_lock;
+ /** @syncobj_xa: Mapping of sync object handles to object pointers. */
+ struct xarray syncobj_xa;
/** @filp: Pointer to the core file structure. */
struct file *filp;
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 8d48d2af2649..86f5846154f7 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -40,6 +40,9 @@
#include <linux/list.h>
#include <linux/mutex.h>
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#include <drm/drm_device.h>
+#endif
#include <drm/drm_vma_manager.h>
struct iosys_map;
@@ -469,6 +472,7 @@ struct drm_gem_object {
.poll = drm_poll,\
.read = drm_read,\
.llseek = noop_llseek,\
+ .get_unmapped_area = drm_gem_get_unmapped_area,\
.mmap = drm_gem_mmap, \
.fop_flags = FOP_UNSIGNED_OFFSET
@@ -491,13 +495,40 @@ struct drm_gem_object {
DRM_GEM_FOPS,\
}
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+int drm_gem_huge_mnt_create(struct drm_device *dev, const char *value);
+#else
+static inline int drm_gem_huge_mnt_create(struct drm_device *dev,
+ const char *value)
+{
+ return 0;
+}
+#endif
+
+/**
+ * drm_gem_get_huge_mnt - Get the huge tmpfs mountpoint used by a DRM device
+ * @dev: DRM device
+ *
+ * This function gets the huge tmpfs mountpoint used by DRM device @dev. A huge
+ * tmpfs mountpoint is used instead of `shm_mnt` after a successful call to
+ * drm_gem_huge_mnt_create() when CONFIG_TRANSPARENT_HUGEPAGE is enabled.
+ *
+ * Returns:
+ * The huge tmpfs mountpoint in use, NULL otherwise.
+ */
+static inline struct vfsmount *drm_gem_get_huge_mnt(struct drm_device *dev)
+{
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+ return dev->huge_mnt;
+#else
+ return NULL;
+#endif
+}
+
void drm_gem_object_release(struct drm_gem_object *obj);
void drm_gem_object_free(struct kref *kref);
int drm_gem_object_init(struct drm_device *dev,
struct drm_gem_object *obj, size_t size);
-int drm_gem_object_init_with_mnt(struct drm_device *dev,
- struct drm_gem_object *obj, size_t size,
- struct vfsmount *gemfs);
void drm_gem_private_object_init(struct drm_device *dev,
struct drm_gem_object *obj, size_t size);
void drm_gem_private_object_fini(struct drm_gem_object *obj);
@@ -507,6 +538,14 @@ int drm_gem_mmap_obj(struct drm_gem_object *obj, unsigned long obj_size,
struct vm_area_struct *vma);
int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
+#ifdef CONFIG_MMU
+unsigned long drm_gem_get_unmapped_area(struct file *filp, unsigned long uaddr,
+ unsigned long len, unsigned long pgoff,
+ unsigned long flags);
+#else
+#define drm_gem_get_unmapped_area NULL
+#endif
+
/**
* drm_gem_object_get - acquire a GEM buffer object reference
* @obj: GEM buffer object
diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index 589f7bfe7506..5ccdae21b94a 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -109,9 +109,6 @@ struct drm_gem_shmem_object {
int drm_gem_shmem_init(struct drm_device *dev, struct drm_gem_shmem_object *shmem, size_t size);
struct drm_gem_shmem_object *drm_gem_shmem_create(struct drm_device *dev, size_t size);
-struct drm_gem_shmem_object *drm_gem_shmem_create_with_mnt(struct drm_device *dev,
- size_t size,
- struct vfsmount *gemfs);
void drm_gem_shmem_release(struct drm_gem_shmem_object *shmem);
void drm_gem_shmem_free(struct drm_gem_shmem_object *shmem);
@@ -303,4 +300,15 @@ struct drm_gem_object *drm_gem_shmem_prime_import_no_map(struct drm_device *dev,
.gem_prime_import = drm_gem_shmem_prime_import_no_map, \
.dumb_create = drm_gem_shmem_dumb_create
+/*
+ * Kunit helpers
+ */
+
+#if IS_ENABLED(CONFIG_KUNIT)
+int drm_gem_shmem_vmap(struct drm_gem_shmem_object *shmem, struct iosys_map *map);
+void drm_gem_shmem_vunmap(struct drm_gem_shmem_object *shmem, struct iosys_map *map);
+int drm_gem_shmem_madvise(struct drm_gem_shmem_object *shmem, int madv);
+int drm_gem_shmem_purge(struct drm_gem_shmem_object *shmem);
+#endif
+
#endif /* __DRM_GEM_SHMEM_HELPER_H__ */
diff --git a/include/drm/drm_gpusvm.h b/include/drm/drm_gpusvm.h
index 632e100e6efb..2578ac92a8d4 100644
--- a/include/drm/drm_gpusvm.h
+++ b/include/drm/drm_gpusvm.h
@@ -328,6 +328,35 @@ void drm_gpusvm_free_pages(struct drm_gpusvm *gpusvm,
struct drm_gpusvm_pages *svm_pages,
unsigned long npages);
+/**
+ * enum drm_gpusvm_scan_result - Scan result from the drm_gpusvm_scan_mm() function.
+ * @DRM_GPUSVM_SCAN_UNPOPULATED: At least one page was not present or inaccessible.
+ * @DRM_GPUSVM_SCAN_EQUAL: All pages belong to the struct dev_pagemap indicated as
+ * the @pagemap argument to the drm_gpusvm_scan_mm() function.
+ * @DRM_GPUSVM_SCAN_OTHER: All pages belong to exactly one dev_pagemap, which is
+ * *NOT* the @pagemap argument to the drm_gpusvm_scan_mm(). All pages belong to
+ * the same device private owner.
+ * @DRM_GPUSVM_SCAN_SYSTEM: All pages are present and system pages.
+ * @DRM_GPUSVM_SCAN_MIXED_DEVICE: All pages are device pages and belong to at least
+ * two different struct dev_pagemaps. All pages belong to the same device private
+ * owner.
+ * @DRM_GPUSVM_SCAN_MIXED: Pages are present and are a mix of system pages
+ * and device-private pages. All device-private pages belong to the same device
+ * private owner.
+ */
+enum drm_gpusvm_scan_result {
+ DRM_GPUSVM_SCAN_UNPOPULATED,
+ DRM_GPUSVM_SCAN_EQUAL,
+ DRM_GPUSVM_SCAN_OTHER,
+ DRM_GPUSVM_SCAN_SYSTEM,
+ DRM_GPUSVM_SCAN_MIXED_DEVICE,
+ DRM_GPUSVM_SCAN_MIXED,
+};
+
+enum drm_gpusvm_scan_result drm_gpusvm_scan_mm(struct drm_gpusvm_range *range,
+ void *dev_private_owner,
+ const struct dev_pagemap *pagemap);
+
#ifdef CONFIG_LOCKDEP
/**
* drm_gpusvm_driver_set_lock() - Set the lock protecting accesses to GPU SVM
diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h
index fdfc575b2603..655bd9104ffb 100644
--- a/include/drm/drm_gpuvm.h
+++ b/include/drm/drm_gpuvm.h
@@ -736,8 +736,8 @@ drm_gpuvm_bo_create(struct drm_gpuvm *gpuvm,
struct drm_gem_object *obj);
struct drm_gpuvm_bo *
-drm_gpuvm_bo_obtain(struct drm_gpuvm *gpuvm,
- struct drm_gem_object *obj);
+drm_gpuvm_bo_obtain_locked(struct drm_gpuvm *gpuvm,
+ struct drm_gem_object *obj);
struct drm_gpuvm_bo *
drm_gpuvm_bo_obtain_prealloc(struct drm_gpuvm_bo *vm_bo);
@@ -1121,7 +1121,7 @@ void drm_gpuva_ops_free(struct drm_gpuvm *gpuvm,
struct drm_gpuva_ops *ops);
static inline void drm_gpuva_init_from_op(struct drm_gpuva *va,
- struct drm_gpuva_op_map *op)
+ const struct drm_gpuva_op_map *op)
{
va->va.addr = op->va.addr;
va->va.range = op->va.range;
@@ -1265,13 +1265,13 @@ int drm_gpuvm_sm_unmap_exec_lock(struct drm_gpuvm *gpuvm, struct drm_exec *exec,
void drm_gpuva_map(struct drm_gpuvm *gpuvm,
struct drm_gpuva *va,
- struct drm_gpuva_op_map *op);
+ const struct drm_gpuva_op_map *op);
void drm_gpuva_remap(struct drm_gpuva *prev,
struct drm_gpuva *next,
- struct drm_gpuva_op_remap *op);
+ const struct drm_gpuva_op_remap *op);
-void drm_gpuva_unmap(struct drm_gpuva_op_unmap *op);
+void drm_gpuva_unmap(const struct drm_gpuva_op_unmap *op);
/**
* drm_gpuva_op_remap_to_unmap_range() - Helper to get the start and range of
diff --git a/include/drm/drm_mode_object.h b/include/drm/drm_mode_object.h
index c68edbd126d0..44a0d6f8d01f 100644
--- a/include/drm/drm_mode_object.h
+++ b/include/drm/drm_mode_object.h
@@ -133,6 +133,9 @@ int drm_object_property_get_value(struct drm_mode_object *obj,
int drm_object_property_get_default_value(struct drm_mode_object *obj,
struct drm_property *property,
uint64_t *val);
+int drm_object_immutable_property_get_value(struct drm_mode_object *obj,
+ struct drm_property *property,
+ uint64_t *val);
void drm_object_attach_property(struct drm_mode_object *obj,
struct drm_property *property,
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index fe32854b7ffe..3e68213958dd 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -52,11 +52,6 @@ struct drm_scanout_buffer;
struct drm_writeback_connector;
struct drm_writeback_job;
-enum mode_set_atomic {
- LEAVE_ATOMIC_MODE_SET,
- ENTER_ATOMIC_MODE_SET,
-};
-
/**
* struct drm_crtc_helper_funcs - helper operations for CRTCs
*
@@ -254,24 +249,6 @@ struct drm_crtc_helper_funcs {
struct drm_framebuffer *old_fb);
/**
- * @mode_set_base_atomic:
- *
- * This callback is used by the fbdev helpers to set a new framebuffer
- * and scanout without sleeping, i.e. from an atomic calling context. It
- * is only used to implement kgdb support.
- *
- * This callback is optional and only needed for kgdb support in the fbdev
- * helpers.
- *
- * RETURNS:
- *
- * 0 on success or a negative error code on failure.
- */
- int (*mode_set_base_atomic)(struct drm_crtc *crtc,
- struct drm_framebuffer *fb, int x, int y,
- enum mode_set_atomic);
-
- /**
* @disable:
*
* This callback should be used to disable the CRTC. With the atomic
diff --git a/include/drm/drm_of.h b/include/drm/drm_of.h
index 7f0256dae3f1..f2f2bf82eff9 100644
--- a/include/drm/drm_of.h
+++ b/include/drm/drm_of.h
@@ -5,6 +5,7 @@
#include <linux/err.h>
#include <linux/of_graph.h>
#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_DRM_PANEL_BRIDGE)
+#include <linux/of.h>
#include <drm/drm_bridge.h>
#endif
@@ -170,9 +171,12 @@ static inline int drm_of_panel_bridge_remove(const struct device_node *np,
if (!remote)
return -ENODEV;
- bridge = of_drm_find_bridge(remote);
+ bridge = of_drm_find_and_get_bridge(remote);
drm_panel_bridge_remove(bridge);
+ drm_bridge_put(bridge);
+ of_node_put(remote);
+
return 0;
#else
return -EINVAL;
diff --git a/include/drm/drm_pagemap.h b/include/drm/drm_pagemap.h
index eb29e5309f0a..2baf0861f78f 100644
--- a/include/drm/drm_pagemap.h
+++ b/include/drm/drm_pagemap.h
@@ -10,6 +10,8 @@
struct dma_fence;
struct drm_pagemap;
+struct drm_pagemap_cache;
+struct drm_pagemap_dev_hold;
struct drm_pagemap_zdd;
struct device;
@@ -124,17 +126,49 @@ struct drm_pagemap_ops {
unsigned long start, unsigned long end,
struct mm_struct *mm,
unsigned long timeslice_ms);
+ /**
+ * @destroy: Destroy the drm_pagemap and associated resources.
+ * @dpagemap: The drm_pagemap to destroy.
+ * @is_atomic_or_reclaim: The function may be called from
+ * atomic- or reclaim context.
+ *
+ * The implementation should take care not to attempt to
+ * destroy resources that may already have been destroyed
+ * using devm_ callbacks, since this function may be called
+ * after the underlying struct device has been unbound.
+ * If the implementation defers the execution to a work item
+ * to avoid locking issues, then it must make sure the work
+ * items are flushed before module exit. If the destroy call
+ * happens after the provider's pci_remove() callback has
+ * been executed, a module reference and drm device reference is
+ * held across the destroy callback.
+ */
+ void (*destroy)(struct drm_pagemap *dpagemap,
+ bool is_atomic_or_reclaim);
};
/**
* struct drm_pagemap: Additional information for a struct dev_pagemap
* used for device p2p handshaking.
* @ops: The struct drm_pagemap_ops.
- * @dev: The struct drevice owning the device-private memory.
+ * @ref: Reference count.
+ * @drm: The struct drm device owning the device-private memory.
+ * @pagemap: Pointer to the underlying dev_pagemap.
+ * @dev_hold: Pointer to a struct drm_pagemap_dev_hold for
+ * device referencing.
+ * @cache: Back-pointer to the &struct drm_pagemap_cache used for this
+ * &struct drm_pagemap. May be NULL if no cache is used.
+ * @shrink_link: Link into the shrinker's list of drm_pagemaps. Only
+ * used if also using a pagemap cache.
*/
struct drm_pagemap {
const struct drm_pagemap_ops *ops;
- struct device *dev;
+ struct kref ref;
+ struct drm_device *drm;
+ struct dev_pagemap *pagemap;
+ struct drm_pagemap_dev_hold *dev_hold;
+ struct drm_pagemap_cache *cache;
+ struct list_head shrink_link;
};
struct drm_pagemap_devmem;
@@ -211,8 +245,19 @@ struct drm_pagemap_devmem_ops {
#if IS_ENABLED(CONFIG_ZONE_DEVICE)
+int drm_pagemap_init(struct drm_pagemap *dpagemap,
+ struct dev_pagemap *pagemap,
+ struct drm_device *drm,
+ const struct drm_pagemap_ops *ops);
+
+struct drm_pagemap *drm_pagemap_create(struct drm_device *drm,
+ struct dev_pagemap *pagemap,
+ const struct drm_pagemap_ops *ops);
+
struct drm_pagemap *drm_pagemap_page_to_dpagemap(struct page *page);
+void drm_pagemap_put(struct drm_pagemap *dpagemap);
+
#else
static inline struct drm_pagemap *drm_pagemap_page_to_dpagemap(struct page *page)
@@ -220,9 +265,42 @@ static inline struct drm_pagemap *drm_pagemap_page_to_dpagemap(struct page *page
return NULL;
}
+static inline void drm_pagemap_put(struct drm_pagemap *dpagemap)
+{
+}
+
#endif /* IS_ENABLED(CONFIG_ZONE_DEVICE) */
/**
+ * drm_pagemap_get() - Obtain a reference on a struct drm_pagemap
+ * @dpagemap: Pointer to the struct drm_pagemap, or NULL.
+ *
+ * Return: Pointer to the struct drm_pagemap, or NULL.
+ */
+static inline struct drm_pagemap *
+drm_pagemap_get(struct drm_pagemap *dpagemap)
+{
+ if (likely(dpagemap))
+ kref_get(&dpagemap->ref);
+
+ return dpagemap;
+}
+
+/**
+ * drm_pagemap_get_unless_zero() - Obtain a reference on a struct drm_pagemap
+ * unless the current reference count is zero.
+ * @dpagemap: Pointer to the drm_pagemap or NULL.
+ *
+ * Return: A pointer to @dpagemap if the reference count was successfully
+ * incremented. NULL if @dpagemap was NULL, or its refcount was 0.
+ */
+static inline struct drm_pagemap * __must_check
+drm_pagemap_get_unless_zero(struct drm_pagemap *dpagemap)
+{
+ return (dpagemap && kref_get_unless_zero(&dpagemap->ref)) ? dpagemap : NULL;
+}
+
+/**
* struct drm_pagemap_devmem - Structure representing a GPU SVM device memory allocation
*
* @dev: Pointer to the device structure which device memory allocation belongs to
@@ -246,13 +324,29 @@ struct drm_pagemap_devmem {
struct dma_fence *pre_migrate_fence;
};
+/**
+ * struct drm_pagemap_migrate_details - Details to govern migration.
+ * @timeslice_ms: The time requested for the migrated pagemap pages to
+ * be present in @mm before being allowed to be migrated back.
+ * @can_migrate_same_pagemap: Whether the copy function as indicated by
+ * the @source_peer_migrates flag, can migrate device pages within a
+ * single drm_pagemap.
+ * @source_peer_migrates: Whether on p2p migration, The source drm_pagemap
+ * should use the copy_to_ram() callback rather than the destination
+ * drm_pagemap should use the copy_to_devmem() callback.
+ */
+struct drm_pagemap_migrate_details {
+ unsigned long timeslice_ms;
+ u32 can_migrate_same_pagemap : 1;
+ u32 source_peer_migrates : 1;
+};
+
#if IS_ENABLED(CONFIG_ZONE_DEVICE)
int drm_pagemap_migrate_to_devmem(struct drm_pagemap_devmem *devmem_allocation,
struct mm_struct *mm,
unsigned long start, unsigned long end,
- unsigned long timeslice_ms,
- void *pgmap_owner);
+ const struct drm_pagemap_migrate_details *mdetails);
int drm_pagemap_evict_to_ram(struct drm_pagemap_devmem *devmem_allocation);
@@ -269,6 +363,10 @@ int drm_pagemap_populate_mm(struct drm_pagemap *dpagemap,
struct mm_struct *mm,
unsigned long timeslice_ms);
+void drm_pagemap_destroy(struct drm_pagemap *dpagemap, bool is_atomic_or_reclaim);
+
+int drm_pagemap_reinit(struct drm_pagemap *dpagemap);
+
#endif /* IS_ENABLED(CONFIG_ZONE_DEVICE) */
#endif
diff --git a/include/drm/drm_pagemap_util.h b/include/drm/drm_pagemap_util.h
new file mode 100644
index 000000000000..19169b42b891
--- /dev/null
+++ b/include/drm/drm_pagemap_util.h
@@ -0,0 +1,92 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright © 2025 Intel Corporation
+ */
+
+#ifndef _DRM_PAGEMAP_UTIL_H_
+#define _DRM_PAGEMAP_UTIL_H_
+
+#include <linux/list.h>
+#include <linux/mutex.h>
+
+struct drm_device;
+struct drm_pagemap;
+struct drm_pagemap_cache;
+struct drm_pagemap_owner;
+struct drm_pagemap_shrinker;
+
+/**
+ * struct drm_pagemap_peer - Structure representing a fast interconnect peer
+ * @list: Pointer to a &struct drm_pagemap_owner_list used to keep track of peers
+ * @link: List link for @list's list of peers.
+ * @owner: Pointer to a &struct drm_pagemap_owner, common for a set of peers having
+ * fast interconnects.
+ * @private: Pointer private to the struct embedding this struct.
+ */
+struct drm_pagemap_peer {
+ struct drm_pagemap_owner_list *list;
+ struct list_head link;
+ struct drm_pagemap_owner *owner;
+ void *private;
+};
+
+/**
+ * struct drm_pagemap_owner_list - Keeping track of peers and owners
+ * @peer: List of peers.
+ *
+ * The owner list defines the scope where we identify peers having fast interconnects
+ * and a common owner. Typically a driver has a single global owner list to
+ * keep track of common owners for the driver's pagemaps.
+ */
+struct drm_pagemap_owner_list {
+ /** @lock: Mutex protecting the @peers list. */
+ struct mutex lock;
+ /** @peers: List of peers. */
+ struct list_head peers;
+};
+
+/*
+ * Convenience macro to define an owner list.
+ * Typically the owner list statically declared
+ * driver-wide.
+ */
+#define DRM_PAGEMAP_OWNER_LIST_DEFINE(_name) \
+ struct drm_pagemap_owner_list _name = { \
+ .lock = __MUTEX_INITIALIZER((_name).lock), \
+ .peers = LIST_HEAD_INIT((_name).peers) }
+
+void drm_pagemap_shrinker_add(struct drm_pagemap *dpagemap);
+
+int drm_pagemap_cache_lock_lookup(struct drm_pagemap_cache *cache);
+
+void drm_pagemap_cache_unlock_lookup(struct drm_pagemap_cache *cache);
+
+struct drm_pagemap_shrinker *drm_pagemap_shrinker_create_devm(struct drm_device *drm);
+
+struct drm_pagemap_cache *drm_pagemap_cache_create_devm(struct drm_pagemap_shrinker *shrinker);
+
+struct drm_pagemap *drm_pagemap_get_from_cache(struct drm_pagemap_cache *cache);
+
+void drm_pagemap_cache_set_pagemap(struct drm_pagemap_cache *cache, struct drm_pagemap *dpagemap);
+
+struct drm_pagemap *drm_pagemap_get_from_cache_if_active(struct drm_pagemap_cache *cache);
+
+#ifdef CONFIG_PROVE_LOCKING
+
+void drm_pagemap_shrinker_might_lock(struct drm_pagemap *dpagemap);
+
+#else
+
+static inline void drm_pagemap_shrinker_might_lock(struct drm_pagemap *dpagemap)
+{
+}
+
+#endif /* CONFIG_PROVE_LOCKING */
+
+void drm_pagemap_release_owner(struct drm_pagemap_peer *peer);
+
+int drm_pagemap_acquire_owner(struct drm_pagemap_peer *peer,
+ struct drm_pagemap_owner_list *owner_list,
+ bool (*has_interconnect)(struct drm_pagemap_peer *peer1,
+ struct drm_pagemap_peer *peer2));
+#endif
diff --git a/include/drm/drm_property.h b/include/drm/drm_property.h
index 082f29156b3e..aa49b5a42bb5 100644
--- a/include/drm/drm_property.h
+++ b/include/drm/drm_property.h
@@ -284,6 +284,7 @@ int drm_property_replace_blob_from_id(struct drm_device *dev,
uint64_t blob_id,
ssize_t expected_size,
ssize_t expected_elem_size,
+ ssize_t max_size,
bool *replaced);
int drm_property_replace_global_blob(struct drm_device *dev,
struct drm_property_blob **replace,
diff --git a/include/drm/drm_vblank.h b/include/drm/drm_vblank.h
index ffa564d79638..2fcef9c0f5b1 100644
--- a/include/drm/drm_vblank.h
+++ b/include/drm/drm_vblank.h
@@ -302,8 +302,7 @@ bool drm_handle_vblank(struct drm_device *dev, unsigned int pipe);
bool drm_crtc_handle_vblank(struct drm_crtc *crtc);
int drm_crtc_vblank_get(struct drm_crtc *crtc);
void drm_crtc_vblank_put(struct drm_crtc *crtc);
-void drm_wait_one_vblank(struct drm_device *dev, unsigned int pipe);
-void drm_crtc_wait_one_vblank(struct drm_crtc *crtc);
+int drm_crtc_wait_one_vblank(struct drm_crtc *crtc);
void drm_crtc_vblank_off(struct drm_crtc *crtc);
void drm_crtc_vblank_reset(struct drm_crtc *crtc);
void drm_crtc_vblank_on_config(struct drm_crtc *crtc,
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index fb88301b3c45..78e07c2507c7 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -645,6 +645,7 @@ void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad);
void drm_sched_start(struct drm_gpu_scheduler *sched, int errno);
void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched);
void drm_sched_fault(struct drm_gpu_scheduler *sched);
+bool drm_sched_is_stopped(struct drm_gpu_scheduler *sched);
struct drm_gpu_scheduler *
drm_sched_pick_best(struct drm_gpu_scheduler **sched_list,
@@ -674,6 +675,7 @@ bool drm_sched_job_has_dependency(struct drm_sched_job *job,
struct dma_fence *fence);
void drm_sched_job_cleanup(struct drm_sched_job *job);
void drm_sched_increase_karma(struct drm_sched_job *bad);
+bool drm_sched_job_is_signaled(struct drm_sched_job *job);
static inline bool drm_sched_invalidate_job(struct drm_sched_job *s_job,
int threshold)
@@ -698,4 +700,54 @@ void drm_sched_entity_modify_sched(struct drm_sched_entity *entity,
struct drm_gpu_scheduler **sched_list,
unsigned int num_sched_list);
+/**
+ * struct drm_sched_pending_job_iter - DRM scheduler pending job iterator state
+ * @sched: DRM scheduler associated with pending job iterator
+ */
+struct drm_sched_pending_job_iter {
+ struct drm_gpu_scheduler *sched;
+};
+
+/* Drivers should never call this directly */
+static inline struct drm_sched_pending_job_iter
+__drm_sched_pending_job_iter_begin(struct drm_gpu_scheduler *sched)
+{
+ struct drm_sched_pending_job_iter iter = {
+ .sched = sched,
+ };
+
+ WARN_ON(!drm_sched_is_stopped(sched));
+ return iter;
+}
+
+/* Drivers should never call this directly */
+static inline void
+__drm_sched_pending_job_iter_end(const struct drm_sched_pending_job_iter iter)
+{
+ WARN_ON(!drm_sched_is_stopped(iter.sched));
+}
+
+DEFINE_CLASS(drm_sched_pending_job_iter, struct drm_sched_pending_job_iter,
+ __drm_sched_pending_job_iter_end(_T),
+ __drm_sched_pending_job_iter_begin(__sched),
+ struct drm_gpu_scheduler *__sched);
+static inline void *
+class_drm_sched_pending_job_iter_lock_ptr(class_drm_sched_pending_job_iter_t *_T)
+{ return _T; }
+#define class_drm_sched_pending_job_iter_is_conditional false
+
+/**
+ * drm_sched_for_each_pending_job() - Iterator for each pending job in scheduler
+ * @__job: Current pending job being iterated over
+ * @__sched: DRM scheduler to iterate over pending jobs
+ * @__entity: DRM scheduler entity to filter jobs, NULL indicates no filter
+ *
+ * Iterator for each pending job in scheduler, filtering on an entity, and
+ * enforcing scheduler is fully stopped
+ */
+#define drm_sched_for_each_pending_job(__job, __sched, __entity) \
+ scoped_guard(drm_sched_pending_job_iter, (__sched)) \
+ list_for_each_entry((__job), &(__sched)->pending_list, list) \
+ for_each_if(!(__entity) || (__job)->entity == (__entity))
+
#endif
diff --git a/include/drm/intel/display_parent_interface.h b/include/drm/intel/display_parent_interface.h
index 26bedc360044..ce946859a3a9 100644
--- a/include/drm/intel/display_parent_interface.h
+++ b/include/drm/intel/display_parent_interface.h
@@ -6,9 +6,55 @@
#include <linux/types.h>
+struct dma_fence;
+struct drm_crtc;
struct drm_device;
+struct drm_framebuffer;
+struct drm_gem_object;
+struct drm_plane_state;
+struct drm_scanout_buffer;
+struct i915_vma;
+struct intel_hdcp_gsc_context;
+struct intel_initial_plane_config;
+struct intel_panic;
+struct intel_stolen_node;
struct ref_tracker;
+/* Keep struct definitions sorted */
+
+struct intel_display_hdcp_interface {
+ ssize_t (*gsc_msg_send)(struct intel_hdcp_gsc_context *gsc_context,
+ void *msg_in, size_t msg_in_len,
+ void *msg_out, size_t msg_out_len);
+ bool (*gsc_check_status)(struct drm_device *drm);
+ struct intel_hdcp_gsc_context *(*gsc_context_alloc)(struct drm_device *drm);
+ void (*gsc_context_free)(struct intel_hdcp_gsc_context *gsc_context);
+};
+
+struct intel_display_initial_plane_interface {
+ void (*vblank_wait)(struct drm_crtc *crtc);
+ struct drm_gem_object *(*alloc_obj)(struct drm_device *drm, struct intel_initial_plane_config *plane_config);
+ int (*setup)(struct drm_plane_state *plane_state, struct intel_initial_plane_config *plane_config,
+ struct drm_framebuffer *fb, struct i915_vma *vma);
+ void (*config_fini)(struct intel_initial_plane_config *plane_configs);
+};
+
+struct intel_display_irq_interface {
+ bool (*enabled)(struct drm_device *drm);
+ void (*synchronize)(struct drm_device *drm);
+};
+
+struct intel_display_panic_interface {
+ struct intel_panic *(*alloc)(void);
+ int (*setup)(struct intel_panic *panic, struct drm_scanout_buffer *sb);
+ void (*finish)(struct intel_panic *panic);
+};
+
+struct intel_display_pc8_interface {
+ void (*block)(struct drm_device *drm);
+ void (*unblock)(struct drm_device *drm);
+};
+
struct intel_display_rpm_interface {
struct ref_tracker *(*get)(const struct drm_device *drm);
struct ref_tracker *(*get_raw)(const struct drm_device *drm);
@@ -25,6 +71,28 @@ struct intel_display_rpm_interface {
void (*assert_unblock)(const struct drm_device *drm);
};
+struct intel_display_rps_interface {
+ void (*boost_if_not_started)(struct dma_fence *fence);
+ void (*mark_interactive)(struct drm_device *drm, bool interactive);
+ void (*ilk_irq_handler)(struct drm_device *drm);
+};
+
+struct intel_display_stolen_interface {
+ int (*insert_node_in_range)(struct intel_stolen_node *node, u64 size,
+ unsigned int align, u64 start, u64 end);
+ int (*insert_node)(struct intel_stolen_node *node, u64 size, unsigned int align); /* Optional */
+ void (*remove_node)(struct intel_stolen_node *node);
+ bool (*initialized)(struct drm_device *drm);
+ bool (*node_allocated)(const struct intel_stolen_node *node);
+ u64 (*node_offset)(const struct intel_stolen_node *node);
+ u64 (*area_address)(struct drm_device *drm); /* Optional */
+ u64 (*area_size)(struct drm_device *drm); /* Optional */
+ u64 (*node_address)(const struct intel_stolen_node *node);
+ u64 (*node_size)(const struct intel_stolen_node *node);
+ struct intel_stolen_node *(*node_alloc)(struct drm_device *drm);
+ void (*node_free)(const struct intel_stolen_node *node);
+};
+
/**
* struct intel_display_parent_interface - services parent driver provides to display
*
@@ -38,8 +106,44 @@ struct intel_display_rpm_interface {
* check the optional pointers.
*/
struct intel_display_parent_interface {
+ /** @hdcp: HDCP GSC interface */
+ const struct intel_display_hdcp_interface *hdcp;
+
+ /** @initial_plane: Initial plane interface */
+ const struct intel_display_initial_plane_interface *initial_plane;
+
+ /** @irq: IRQ interface */
+ const struct intel_display_irq_interface *irq;
+
+ /** @panic: Panic interface */
+ const struct intel_display_panic_interface *panic;
+
+ /** @pc8: PC8 interface. Optional. */
+ const struct intel_display_pc8_interface *pc8;
+
/** @rpm: Runtime PM functions */
const struct intel_display_rpm_interface *rpm;
+
+ /** @rps: RPS interface. Optional. */
+ const struct intel_display_rps_interface *rps;
+
+ /** @stolen: Stolen memory. */
+ const struct intel_display_stolen_interface *stolen;
+
+ /* Generic independent functions */
+ struct {
+ /** @fence_priority_display: Set display priority. Optional. */
+ void (*fence_priority_display)(struct dma_fence *fence);
+
+ /** @has_auxccs: Are AuxCCS formats supported by the parent. Optional. */
+ bool (*has_auxccs)(struct drm_device *drm);
+
+ /** @has_fenced_regions: Support legacy fencing? Optional. */
+ bool (*has_fenced_regions)(struct drm_device *drm);
+
+ /** @vgpu_active: Is vGPU active? Optional. */
+ bool (*vgpu_active)(struct drm_device *drm);
+ };
};
#endif
diff --git a/include/drm/intel/intel_lb_mei_interface.h b/include/drm/intel/intel_lb_mei_interface.h
index d65be2cba2ab..0850738a30fc 100644
--- a/include/drm/intel/intel_lb_mei_interface.h
+++ b/include/drm/intel/intel_lb_mei_interface.h
@@ -53,7 +53,8 @@ enum intel_lb_status {
*/
struct intel_lb_component_ops {
/**
- * push_payload - Sends a payload to the authentication firmware
+ * @push_payload: Sends a payload to the authentication firmware
+ *
* @dev: Device struct corresponding to the mei device
* @type: Payload type (see &enum intel_lb_type)
* @flags: Payload flags bitmap (e.g. %INTEL_LB_FLAGS_IS_PERSISTENT)