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-rw-r--r--include/drm/bridge/dw_dp.h20
-rw-r--r--include/drm/bridge/samsung-dsim.h16
-rw-r--r--include/drm/drm_bridge.h47
-rw-r--r--include/drm/drm_buddy.h9
-rw-r--r--include/drm/drm_color_mgmt.h1
-rw-r--r--include/drm/drm_device.h14
-rw-r--r--include/drm/drm_format_helper.h4
-rw-r--r--include/drm/drm_gem.h51
-rw-r--r--include/drm/drm_gpusvm.h136
-rw-r--r--include/drm/drm_gpuvm.h78
-rw-r--r--include/drm/drm_mipi_dsi.h147
-rw-r--r--include/drm/drm_pagemap.h50
-rw-r--r--include/drm/drm_panel.h14
-rw-r--r--include/drm/drm_utils.h8
-rw-r--r--include/drm/intel/i915_component.h1
-rw-r--r--include/drm/intel/intel_lb_mei_interface.h70
-rw-r--r--include/drm/intel/pciids.h5
-rw-r--r--include/drm/ttm/ttm_bo.h2
-rw-r--r--include/drm/ttm/ttm_resource.h2
19 files changed, 540 insertions, 135 deletions
diff --git a/include/drm/bridge/dw_dp.h b/include/drm/bridge/dw_dp.h
new file mode 100644
index 000000000000..d05df49fd884
--- /dev/null
+++ b/include/drm/bridge/dw_dp.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2025 Rockchip Electronics Co., Ltd.
+ */
+
+#ifndef __DW_DP__
+#define __DW_DP__
+
+#include <linux/device.h>
+
+struct drm_encoder;
+struct dw_dp;
+
+struct dw_dp_plat_data {
+ u32 max_link_rate;
+};
+
+struct dw_dp *dw_dp_bind(struct device *dev, struct drm_encoder *encoder,
+ const struct dw_dp_plat_data *plat_data);
+#endif /* __DW_DP__ */
diff --git a/include/drm/bridge/samsung-dsim.h b/include/drm/bridge/samsung-dsim.h
index 9764d6eb5beb..31d7ed589233 100644
--- a/include/drm/bridge/samsung-dsim.h
+++ b/include/drm/bridge/samsung-dsim.h
@@ -29,6 +29,7 @@ enum samsung_dsim_type {
DSIM_TYPE_EXYNOS5410,
DSIM_TYPE_EXYNOS5422,
DSIM_TYPE_EXYNOS5433,
+ DSIM_TYPE_EXYNOS7870,
DSIM_TYPE_IMX8MM,
DSIM_TYPE_IMX8MP,
DSIM_TYPE_COUNT,
@@ -53,15 +54,29 @@ struct samsung_dsim_transfer {
struct samsung_dsim_driver_data {
const unsigned int *reg_ofs;
unsigned int plltmr_reg;
+ unsigned int has_legacy_status_reg:1;
unsigned int has_freqband:1;
unsigned int has_clklane_stop:1;
unsigned int has_broken_fifoctrl_emptyhdr:1;
+ unsigned int has_sfrctrl:1;
+ struct clk_bulk_data *clk_data;
unsigned int num_clks;
unsigned int min_freq;
unsigned int max_freq;
+ unsigned int wait_for_hdr_fifo;
unsigned int wait_for_reset;
unsigned int num_bits_resol;
+ unsigned int video_mode_bit;
+ unsigned int pll_stable_bit;
+ unsigned int esc_clken_bit;
+ unsigned int byte_clken_bit;
+ unsigned int tx_req_hsclk_bit;
+ unsigned int lane_esc_clk_bit;
+ unsigned int lane_esc_data_offset;
unsigned int pll_p_offset;
+ unsigned int pll_m_offset;
+ unsigned int pll_s_offset;
+ unsigned int main_vsa_offset;
const unsigned int *reg_values;
unsigned int pll_fin_min;
unsigned int pll_fin_max;
@@ -91,7 +106,6 @@ struct samsung_dsim {
void __iomem *reg_base;
struct phy *phy;
- struct clk **clks;
struct clk *pll_clk;
struct regulator_bulk_data supplies[2];
int irq;
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index b0e6653ee42e..76e05930f50e 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -23,6 +23,7 @@
#ifndef __DRM_BRIDGE_H__
#define __DRM_BRIDGE_H__
+#include <linux/cleanup.h>
#include <linux/ctype.h>
#include <linux/list.h>
#include <linux/mutex.h>
@@ -1171,6 +1172,10 @@ struct drm_bridge {
*/
bool pre_enable_prev_first;
/**
+ * @support_hdcp: Indicate that the bridge supports HDCP.
+ */
+ bool support_hdcp;
+ /**
* @ddc: Associated I2C adapter for DDC access, if any.
*/
struct i2c_adapter *ddc;
@@ -1276,6 +1281,9 @@ drm_priv_to_bridge(struct drm_private_obj *priv)
struct drm_bridge *drm_bridge_get(struct drm_bridge *bridge);
void drm_bridge_put(struct drm_bridge *bridge);
+/* Cleanup action for use with __free() */
+DEFINE_FREE(drm_bridge_put, struct drm_bridge *, if (_T) drm_bridge_put(_T))
+
void *__devm_drm_bridge_alloc(struct device *dev, size_t size, size_t offset,
const struct drm_bridge_funcs *funcs);
@@ -1313,6 +1321,11 @@ static inline struct drm_bridge *of_drm_find_bridge(struct device_node *np)
}
#endif
+static inline bool drm_bridge_is_last(struct drm_bridge *bridge)
+{
+ return list_is_last(&bridge->chain_node, &bridge->encoder->bridge_chain);
+}
+
/**
* drm_bridge_get_current_state() - Get the current bridge state
* @bridge: bridge object
@@ -1365,6 +1378,13 @@ drm_bridge_get_next_bridge(struct drm_bridge *bridge)
* drm_bridge_get_prev_bridge() - Get the previous bridge in the chain
* @bridge: bridge object
*
+ * The caller is responsible of having a reference to @bridge via
+ * drm_bridge_get() or equivalent. This function leaves the refcount of
+ * @bridge unmodified.
+ *
+ * The refcount of the returned bridge is incremented. Use drm_bridge_put()
+ * when done with it.
+ *
* RETURNS:
* the previous bridge in the chain, or NULL if @bridge is the first.
*/
@@ -1374,13 +1394,16 @@ drm_bridge_get_prev_bridge(struct drm_bridge *bridge)
if (list_is_first(&bridge->chain_node, &bridge->encoder->bridge_chain))
return NULL;
- return list_prev_entry(bridge, chain_node);
+ return drm_bridge_get(list_prev_entry(bridge, chain_node));
}
/**
* drm_bridge_chain_get_first_bridge() - Get the first bridge in the chain
* @encoder: encoder object
*
+ * The refcount of the returned bridge is incremented. Use drm_bridge_put()
+ * when done with it.
+ *
* RETURNS:
* the first bridge in the chain, or NULL if @encoder has no bridge attached
* to it.
@@ -1388,8 +1411,26 @@ drm_bridge_get_prev_bridge(struct drm_bridge *bridge)
static inline struct drm_bridge *
drm_bridge_chain_get_first_bridge(struct drm_encoder *encoder)
{
- return list_first_entry_or_null(&encoder->bridge_chain,
- struct drm_bridge, chain_node);
+ return drm_bridge_get(list_first_entry_or_null(&encoder->bridge_chain,
+ struct drm_bridge, chain_node));
+}
+
+/**
+ * drm_bridge_chain_get_last_bridge() - Get the last bridge in the chain
+ * @encoder: encoder object
+ *
+ * The refcount of the returned bridge is incremented. Use drm_bridge_put()
+ * when done with it.
+ *
+ * RETURNS:
+ * the last bridge in the chain, or NULL if @encoder has no bridge attached
+ * to it.
+ */
+static inline struct drm_bridge *
+drm_bridge_chain_get_last_bridge(struct drm_encoder *encoder)
+{
+ return drm_bridge_get(list_last_entry_or_null(&encoder->bridge_chain,
+ struct drm_bridge, chain_node));
}
/**
diff --git a/include/drm/drm_buddy.h b/include/drm/drm_buddy.h
index 513837632b7d..04afd7c21a82 100644
--- a/include/drm/drm_buddy.h
+++ b/include/drm/drm_buddy.h
@@ -13,15 +13,6 @@
#include <drm/drm_print.h>
-#define range_overflows(start, size, max) ({ \
- typeof(start) start__ = (start); \
- typeof(size) size__ = (size); \
- typeof(max) max__ = (max); \
- (void)(&start__ == &size__); \
- (void)(&start__ == &max__); \
- start__ >= max__ || size__ > max__ - start__; \
-})
-
#define DRM_BUDDY_RANGE_ALLOCATION BIT(0)
#define DRM_BUDDY_TOPDOWN_ALLOCATION BIT(1)
#define DRM_BUDDY_CONTIGUOUS_ALLOCATION BIT(2)
diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index 6cb577f6dba6..eccb71ab335a 100644
--- a/include/drm/drm_color_mgmt.h
+++ b/include/drm/drm_color_mgmt.h
@@ -143,6 +143,7 @@ void drm_crtc_fill_gamma_555(struct drm_crtc *crtc, drm_crtc_set_lut_func set_ga
void drm_crtc_load_palette_8(struct drm_crtc *crtc, const struct drm_color_lut *lut,
drm_crtc_set_lut_func set_palette);
+void drm_crtc_fill_palette_332(struct drm_crtc *crtc, drm_crtc_set_lut_func set_palette);
void drm_crtc_fill_palette_8(struct drm_crtc *crtc, drm_crtc_set_lut_func set_palette);
#endif
diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h
index a33aedd5e9ec..778b2cca6c49 100644
--- a/include/drm/drm_device.h
+++ b/include/drm/drm_device.h
@@ -26,10 +26,14 @@ struct pci_controller;
* Recovery methods for wedged device in order of less to more side-effects.
* To be used with drm_dev_wedged_event() as recovery @method. Callers can
* use any one, multiple (or'd) or none depending on their needs.
+ *
+ * Refer to "Device Wedging" chapter in Documentation/gpu/drm-uapi.rst for more
+ * details.
*/
#define DRM_WEDGE_RECOVERY_NONE BIT(0) /* optional telemetry collection */
#define DRM_WEDGE_RECOVERY_REBIND BIT(1) /* unbind + bind driver */
#define DRM_WEDGE_RECOVERY_BUS_RESET BIT(2) /* unbind + reset bus device + bind */
+#define DRM_WEDGE_RECOVERY_VENDOR BIT(3) /* vendor specific recovery method */
/**
* struct drm_wedge_task_info - information about the guilty task of a wedge dev
@@ -189,16 +193,6 @@ struct drm_device {
char *unique;
/**
- * @struct_mutex:
- *
- * Lock for others (not &drm_minor.master and &drm_file.is_master)
- *
- * TODO: This lock used to be the BKL of the DRM subsystem. Move the
- * lock into i915, which is the only remaining user.
- */
- struct mutex struct_mutex;
-
- /**
* @master_mutex:
*
* Lock for &drm_minor.master and &drm_file.is_master
diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h
index 562bc383ece4..32d57d6c5327 100644
--- a/include/drm/drm_format_helper.h
+++ b/include/drm/drm_format_helper.h
@@ -136,4 +136,8 @@ void drm_fb_xrgb8888_to_mono(struct iosys_map *dst, const unsigned int *dst_pitc
const struct iosys_map *src, const struct drm_framebuffer *fb,
const struct drm_rect *clip, struct drm_format_conv_state *state);
+void drm_fb_xrgb8888_to_gray2(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip, struct drm_format_conv_state *state);
+
#endif /* __LINUX_DRM_FORMAT_HELPER_H */
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index d3a7b43e2c63..8d48d2af2649 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -398,19 +398,34 @@ struct drm_gem_object {
struct dma_resv _resv;
/**
- * @gpuva:
+ * @gpuva: Fields used by GPUVM to manage mappings pointing to this GEM object.
*
- * Provides the list of GPU VAs attached to this GEM object.
+ * When DRM_GPUVM_IMMEDIATE_MODE is set, this list is protected by the
+ * mutex. Otherwise, the list is protected by the GEMs &dma_resv lock.
*
- * Drivers should lock list accesses with the GEMs &dma_resv lock
- * (&drm_gem_object.resv) or a custom lock if one is provided.
+ * Note that all entries in this list must agree on whether
+ * DRM_GPUVM_IMMEDIATE_MODE is set.
*/
struct {
+ /**
+ * @gpuva.list: list of GPUVM mappings attached to this GEM object.
+ *
+ * Drivers should lock list accesses with either the GEMs
+ * &dma_resv lock (&drm_gem_object.resv) or the
+ * &drm_gem_object.gpuva.lock mutex.
+ */
struct list_head list;
-#ifdef CONFIG_LOCKDEP
- struct lockdep_map *lock_dep_map;
-#endif
+ /**
+ * @gpuva.lock: lock protecting access to &drm_gem_object.gpuva.list
+ * when DRM_GPUVM_IMMEDIATE_MODE is used.
+ *
+ * Only used when DRM_GPUVM_IMMEDIATE_MODE is set. It should be
+ * safe to take this mutex during the fence signalling path, so
+ * do not allocate memory while holding this lock. Otherwise,
+ * the &dma_resv lock should be used.
+ */
+ struct mutex lock;
} gpuva;
/**
@@ -595,26 +610,12 @@ static inline bool drm_gem_is_imported(const struct drm_gem_object *obj)
}
#ifdef CONFIG_LOCKDEP
-/**
- * drm_gem_gpuva_set_lock() - Set the lock protecting accesses to the gpuva list.
- * @obj: the &drm_gem_object
- * @lock: the lock used to protect the gpuva list. The locking primitive
- * must contain a dep_map field.
- *
- * Call this if you're not proctecting access to the gpuva list with the
- * dma-resv lock, but with a custom lock.
- */
-#define drm_gem_gpuva_set_lock(obj, lock) \
- if (!WARN((obj)->gpuva.lock_dep_map, \
- "GEM GPUVA lock should be set only once.")) \
- (obj)->gpuva.lock_dep_map = &(lock)->dep_map
-#define drm_gem_gpuva_assert_lock_held(obj) \
- lockdep_assert((obj)->gpuva.lock_dep_map ? \
- lock_is_held((obj)->gpuva.lock_dep_map) : \
+#define drm_gem_gpuva_assert_lock_held(gpuvm, obj) \
+ lockdep_assert(drm_gpuvm_immediate_mode(gpuvm) ? \
+ lockdep_is_held(&(obj)->gpuva.lock) : \
dma_resv_held((obj)->resv))
#else
-#define drm_gem_gpuva_set_lock(obj, lock) do {} while (0)
-#define drm_gem_gpuva_assert_lock_held(obj) do {} while (0)
+#define drm_gem_gpuva_assert_lock_held(gpuvm, obj) do {} while (0)
#endif
/**
diff --git a/include/drm/drm_gpusvm.h b/include/drm/drm_gpusvm.h
index 4aedc5423aff..5434048a2ca4 100644
--- a/include/drm/drm_gpusvm.h
+++ b/include/drm/drm_gpusvm.h
@@ -17,7 +17,7 @@ struct drm_gpusvm_notifier;
struct drm_gpusvm_ops;
struct drm_gpusvm_range;
struct drm_pagemap;
-struct drm_pagemap_device_addr;
+struct drm_pagemap_addr;
/**
* struct drm_gpusvm_ops - Operations structure for GPU SVM
@@ -106,16 +106,16 @@ struct drm_gpusvm_notifier {
};
/**
- * struct drm_gpusvm_range_flags - Structure representing a GPU SVM range flags
+ * struct drm_gpusvm_pages_flags - Structure representing a GPU SVM pages flags
*
- * @migrate_devmem: Flag indicating whether the range can be migrated to device memory
- * @unmapped: Flag indicating if the range has been unmapped
- * @partial_unmap: Flag indicating if the range has been partially unmapped
- * @has_devmem_pages: Flag indicating if the range has devmem pages
- * @has_dma_mapping: Flag indicating if the range has a DMA mapping
- * @__flags: Flags for range in u16 form (used for READ_ONCE)
+ * @migrate_devmem: Flag indicating whether the pages can be migrated to device memory
+ * @unmapped: Flag indicating if the pages has been unmapped
+ * @partial_unmap: Flag indicating if the pages has been partially unmapped
+ * @has_devmem_pages: Flag indicating if the pages has devmem pages
+ * @has_dma_mapping: Flag indicating if the pages has a DMA mapping
+ * @__flags: Flags for pages in u16 form (used for READ_ONCE)
*/
-struct drm_gpusvm_range_flags {
+struct drm_gpusvm_pages_flags {
union {
struct {
/* All flags below must be set upon creation */
@@ -131,6 +131,27 @@ struct drm_gpusvm_range_flags {
};
/**
+ * struct drm_gpusvm_pages - Structure representing a GPU SVM mapped pages
+ *
+ * @dma_addr: Device address array
+ * @dpagemap: The struct drm_pagemap of the device pages we're dma-mapping.
+ * Note this is assuming only one drm_pagemap per range is allowed.
+ * @notifier_seq: Notifier sequence number of the range's pages
+ * @flags: Flags for range
+ * @flags.migrate_devmem: Flag indicating whether the range can be migrated to device memory
+ * @flags.unmapped: Flag indicating if the range has been unmapped
+ * @flags.partial_unmap: Flag indicating if the range has been partially unmapped
+ * @flags.has_devmem_pages: Flag indicating if the range has devmem pages
+ * @flags.has_dma_mapping: Flag indicating if the range has a DMA mapping
+ */
+struct drm_gpusvm_pages {
+ struct drm_pagemap_addr *dma_addr;
+ struct drm_pagemap *dpagemap;
+ unsigned long notifier_seq;
+ struct drm_gpusvm_pages_flags flags;
+};
+
+/**
* struct drm_gpusvm_range - Structure representing a GPU SVM range
*
* @gpusvm: Pointer to the GPU SVM structure
@@ -138,11 +159,7 @@ struct drm_gpusvm_range_flags {
* @refcount: Reference count for the range
* @itree: Interval tree node for the range (inserted in GPU SVM notifier)
* @entry: List entry to fast interval tree traversal
- * @notifier_seq: Notifier sequence number of the range's pages
- * @dma_addr: Device address array
- * @dpagemap: The struct drm_pagemap of the device pages we're dma-mapping.
- * Note this is assuming only one drm_pagemap per range is allowed.
- * @flags: Flags for range
+ * @pages: The pages for this range.
*
* This structure represents a GPU SVM range used for tracking memory ranges
* mapped in a DRM device.
@@ -153,10 +170,7 @@ struct drm_gpusvm_range {
struct kref refcount;
struct interval_tree_node itree;
struct list_head entry;
- unsigned long notifier_seq;
- struct drm_pagemap_device_addr *dma_addr;
- struct drm_pagemap *dpagemap;
- struct drm_gpusvm_range_flags flags;
+ struct drm_gpusvm_pages pages;
};
/**
@@ -282,6 +296,10 @@ void drm_gpusvm_range_unmap_pages(struct drm_gpusvm *gpusvm,
bool drm_gpusvm_has_mapping(struct drm_gpusvm *gpusvm, unsigned long start,
unsigned long end);
+struct drm_gpusvm_notifier *
+drm_gpusvm_notifier_find(struct drm_gpusvm *gpusvm, unsigned long start,
+ unsigned long end);
+
struct drm_gpusvm_range *
drm_gpusvm_range_find(struct drm_gpusvm_notifier *notifier, unsigned long start,
unsigned long end);
@@ -289,6 +307,22 @@ drm_gpusvm_range_find(struct drm_gpusvm_notifier *notifier, unsigned long start,
void drm_gpusvm_range_set_unmapped(struct drm_gpusvm_range *range,
const struct mmu_notifier_range *mmu_range);
+int drm_gpusvm_get_pages(struct drm_gpusvm *gpusvm,
+ struct drm_gpusvm_pages *svm_pages,
+ struct mm_struct *mm,
+ struct mmu_interval_notifier *notifier,
+ unsigned long pages_start, unsigned long pages_end,
+ const struct drm_gpusvm_ctx *ctx);
+
+void drm_gpusvm_unmap_pages(struct drm_gpusvm *gpusvm,
+ struct drm_gpusvm_pages *svm_pages,
+ unsigned long npages,
+ const struct drm_gpusvm_ctx *ctx);
+
+void drm_gpusvm_free_pages(struct drm_gpusvm *gpusvm,
+ struct drm_gpusvm_pages *svm_pages,
+ unsigned long npages);
+
#ifdef CONFIG_LOCKDEP
/**
* drm_gpusvm_driver_set_lock() - Set the lock protecting accesses to GPU SVM
@@ -434,4 +468,70 @@ __drm_gpusvm_range_next(struct drm_gpusvm_range *range)
(range__) && (drm_gpusvm_range_start(range__) < (end__)); \
(range__) = __drm_gpusvm_range_next(range__))
+/**
+ * drm_gpusvm_for_each_range_safe() - Safely iterate over GPU SVM ranges in a notifier
+ * @range__: Iterator variable for the ranges
+ * @next__: Iterator variable for the ranges temporay storage
+ * @notifier__: Pointer to the GPU SVM notifier
+ * @start__: Start address of the range
+ * @end__: End address of the range
+ *
+ * This macro is used to iterate over GPU SVM ranges in a notifier while
+ * removing ranges from it.
+ */
+#define drm_gpusvm_for_each_range_safe(range__, next__, notifier__, start__, end__) \
+ for ((range__) = drm_gpusvm_range_find((notifier__), (start__), (end__)), \
+ (next__) = __drm_gpusvm_range_next(range__); \
+ (range__) && (drm_gpusvm_range_start(range__) < (end__)); \
+ (range__) = (next__), (next__) = __drm_gpusvm_range_next(range__))
+
+/**
+ * __drm_gpusvm_notifier_next() - get the next drm_gpusvm_notifier in the list
+ * @notifier: a pointer to the current drm_gpusvm_notifier
+ *
+ * Return: A pointer to the next drm_gpusvm_notifier if available, or NULL if
+ * the current notifier is the last one or if the input notifier is
+ * NULL.
+ */
+static inline struct drm_gpusvm_notifier *
+__drm_gpusvm_notifier_next(struct drm_gpusvm_notifier *notifier)
+{
+ if (notifier && !list_is_last(&notifier->entry,
+ &notifier->gpusvm->notifier_list))
+ return list_next_entry(notifier, entry);
+
+ return NULL;
+}
+
+/**
+ * drm_gpusvm_for_each_notifier() - Iterate over GPU SVM notifiers in a gpusvm
+ * @notifier__: Iterator variable for the notifiers
+ * @gpusvm__: Pointer to the GPU SVM notifier
+ * @start__: Start address of the notifier
+ * @end__: End address of the notifier
+ *
+ * This macro is used to iterate over GPU SVM notifiers in a gpusvm.
+ */
+#define drm_gpusvm_for_each_notifier(notifier__, gpusvm__, start__, end__) \
+ for ((notifier__) = drm_gpusvm_notifier_find((gpusvm__), (start__), (end__)); \
+ (notifier__) && (drm_gpusvm_notifier_start(notifier__) < (end__)); \
+ (notifier__) = __drm_gpusvm_notifier_next(notifier__))
+
+/**
+ * drm_gpusvm_for_each_notifier_safe() - Safely iterate over GPU SVM notifiers in a gpusvm
+ * @notifier__: Iterator variable for the notifiers
+ * @next__: Iterator variable for the notifiers temporay storage
+ * @gpusvm__: Pointer to the GPU SVM notifier
+ * @start__: Start address of the notifier
+ * @end__: End address of the notifier
+ *
+ * This macro is used to iterate over GPU SVM notifiers in a gpusvm while
+ * removing notifiers from it.
+ */
+#define drm_gpusvm_for_each_notifier_safe(notifier__, next__, gpusvm__, start__, end__) \
+ for ((notifier__) = drm_gpusvm_notifier_find((gpusvm__), (start__), (end__)), \
+ (next__) = __drm_gpusvm_notifier_next(notifier__); \
+ (notifier__) && (drm_gpusvm_notifier_start(notifier__) < (end__)); \
+ (notifier__) = (next__), (next__) = __drm_gpusvm_notifier_next(notifier__))
+
#endif /* __DRM_GPUSVM_H__ */
diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h
index 274532facfd6..8890ded1d907 100644
--- a/include/drm/drm_gpuvm.h
+++ b/include/drm/drm_gpuvm.h
@@ -103,7 +103,7 @@ struct drm_gpuva {
} va;
/**
- * @gem: structure containing the &drm_gem_object and it's offset
+ * @gem: structure containing the &drm_gem_object and its offset
*/
struct {
/**
@@ -160,15 +160,6 @@ struct drm_gpuva *drm_gpuva_find_first(struct drm_gpuvm *gpuvm,
struct drm_gpuva *drm_gpuva_find_prev(struct drm_gpuvm *gpuvm, u64 start);
struct drm_gpuva *drm_gpuva_find_next(struct drm_gpuvm *gpuvm, u64 end);
-static inline void drm_gpuva_init(struct drm_gpuva *va, u64 addr, u64 range,
- struct drm_gem_object *obj, u64 offset)
-{
- va->va.addr = addr;
- va->va.range = range;
- va->gem.obj = obj;
- va->gem.offset = offset;
-}
-
/**
* drm_gpuva_invalidate() - sets whether the backing GEM of this &drm_gpuva is
* invalidated
@@ -206,9 +197,19 @@ enum drm_gpuvm_flags {
DRM_GPUVM_RESV_PROTECTED = BIT(0),
/**
+ * @DRM_GPUVM_IMMEDIATE_MODE: use the locking scheme for GEMs designed
+ * for modifying the GPUVM during the fence signalling path
+ *
+ * When set, gpuva.lock is used to protect gpuva.list in all GEM
+ * objects associated with this GPUVM. Otherwise, the GEMs dma-resv is
+ * used.
+ */
+ DRM_GPUVM_IMMEDIATE_MODE = BIT(1),
+
+ /**
* @DRM_GPUVM_USERBITS: user defined bits
*/
- DRM_GPUVM_USERBITS = BIT(1),
+ DRM_GPUVM_USERBITS = BIT(2),
};
/**
@@ -379,6 +380,19 @@ drm_gpuvm_resv_protected(struct drm_gpuvm *gpuvm)
}
/**
+ * drm_gpuvm_immediate_mode() - indicates whether &DRM_GPUVM_IMMEDIATE_MODE is
+ * set
+ * @gpuvm: the &drm_gpuvm
+ *
+ * Returns: true if &DRM_GPUVM_IMMEDIATE_MODE is set, false otherwise.
+ */
+static inline bool
+drm_gpuvm_immediate_mode(struct drm_gpuvm *gpuvm)
+{
+ return gpuvm->flags & DRM_GPUVM_IMMEDIATE_MODE;
+}
+
+/**
* drm_gpuvm_resv() - returns the &drm_gpuvm's &dma_resv
* @gpuvm__: the &drm_gpuvm
*
@@ -751,9 +765,10 @@ drm_gpuvm_bo_gem_evict(struct drm_gem_object *obj, bool evict)
{
struct drm_gpuvm_bo *vm_bo;
- drm_gem_gpuva_assert_lock_held(obj);
- drm_gem_for_each_gpuvm_bo(vm_bo, obj)
+ drm_gem_for_each_gpuvm_bo(vm_bo, obj) {
+ drm_gem_gpuva_assert_lock_held(vm_bo->vm, obj);
drm_gpuvm_bo_evict(vm_bo, evict);
+ }
}
void drm_gpuvm_bo_extobj_add(struct drm_gpuvm_bo *vm_bo);
@@ -843,7 +858,7 @@ struct drm_gpuva_op_map {
} va;
/**
- * @gem: structure containing the &drm_gem_object and it's offset
+ * @gem: structure containing the &drm_gem_object and its offset
*/
struct {
/**
@@ -1058,10 +1073,23 @@ struct drm_gpuva_ops {
*/
#define drm_gpuva_next_op(op) list_next_entry(op, entry)
+/**
+ * struct drm_gpuvm_map_req - arguments passed to drm_gpuvm_sm_map[_ops_create]()
+ */
+struct drm_gpuvm_map_req {
+ /**
+ * @op_map: struct drm_gpuva_op_map
+ */
+ struct drm_gpuva_op_map map;
+};
+
struct drm_gpuva_ops *
drm_gpuvm_sm_map_ops_create(struct drm_gpuvm *gpuvm,
- u64 addr, u64 range,
- struct drm_gem_object *obj, u64 offset);
+ const struct drm_gpuvm_map_req *req);
+struct drm_gpuva_ops *
+drm_gpuvm_madvise_ops_create(struct drm_gpuvm *gpuvm,
+ const struct drm_gpuvm_map_req *req);
+
struct drm_gpuva_ops *
drm_gpuvm_sm_unmap_ops_create(struct drm_gpuvm *gpuvm,
u64 addr, u64 range);
@@ -1079,8 +1107,10 @@ void drm_gpuva_ops_free(struct drm_gpuvm *gpuvm,
static inline void drm_gpuva_init_from_op(struct drm_gpuva *va,
struct drm_gpuva_op_map *op)
{
- drm_gpuva_init(va, op->va.addr, op->va.range,
- op->gem.obj, op->gem.offset);
+ va->va.addr = op->va.addr;
+ va->va.range = op->va.range;
+ va->gem.obj = op->gem.obj;
+ va->gem.offset = op->gem.offset;
}
/**
@@ -1189,11 +1219,11 @@ struct drm_gpuvm_ops {
/**
* @sm_step_unmap: called from &drm_gpuvm_sm_map and
- * &drm_gpuvm_sm_unmap to unmap an existent mapping
+ * &drm_gpuvm_sm_unmap to unmap an existing mapping
*
- * This callback is called when existent mapping needs to be unmapped.
+ * This callback is called when existing mapping needs to be unmapped.
* This is the case when either a newly requested mapping encloses an
- * existent mapping or an unmap of an existent mapping is requested.
+ * existing mapping or an unmap of an existing mapping is requested.
*
* The &priv pointer matches the one the driver passed to
* &drm_gpuvm_sm_map or &drm_gpuvm_sm_unmap, respectively.
@@ -1205,16 +1235,14 @@ struct drm_gpuvm_ops {
};
int drm_gpuvm_sm_map(struct drm_gpuvm *gpuvm, void *priv,
- u64 addr, u64 range,
- struct drm_gem_object *obj, u64 offset);
+ const struct drm_gpuvm_map_req *req);
int drm_gpuvm_sm_unmap(struct drm_gpuvm *gpuvm, void *priv,
u64 addr, u64 range);
int drm_gpuvm_sm_map_exec_lock(struct drm_gpuvm *gpuvm,
struct drm_exec *exec, unsigned int num_fences,
- u64 req_addr, u64 req_range,
- struct drm_gem_object *obj, u64 offset);
+ struct drm_gpuvm_map_req *req);
int drm_gpuvm_sm_unmap_exec_lock(struct drm_gpuvm *gpuvm, struct drm_exec *exec,
u64 req_addr, u64 req_range);
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index 57a869a6f6e8..3aba7b380c8d 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -288,10 +288,12 @@ void mipi_dsi_picture_parameter_set_multi(struct mipi_dsi_multi_context *ctx,
ssize_t mipi_dsi_generic_write(struct mipi_dsi_device *dsi, const void *payload,
size_t size);
-int mipi_dsi_generic_write_chatty(struct mipi_dsi_device *dsi,
- const void *payload, size_t size);
void mipi_dsi_generic_write_multi(struct mipi_dsi_multi_context *ctx,
const void *payload, size_t size);
+void mipi_dsi_dual_generic_write_multi(struct mipi_dsi_multi_context *ctx,
+ struct mipi_dsi_device *dsi1,
+ struct mipi_dsi_device *dsi2,
+ const void *payload, size_t size);
ssize_t mipi_dsi_generic_read(struct mipi_dsi_device *dsi, const void *params,
size_t num_params, void *data, size_t size);
u32 drm_mipi_dsi_get_input_bus_fmt(enum mipi_dsi_pixel_format dsi_format);
@@ -332,10 +334,16 @@ int mipi_dsi_dcs_write_buffer_chatty(struct mipi_dsi_device *dsi,
const void *data, size_t len);
void mipi_dsi_dcs_write_buffer_multi(struct mipi_dsi_multi_context *ctx,
const void *data, size_t len);
+void mipi_dsi_dual_dcs_write_buffer_multi(struct mipi_dsi_multi_context *ctx,
+ struct mipi_dsi_device *dsi1,
+ struct mipi_dsi_device *dsi2,
+ const void *data, size_t len);
ssize_t mipi_dsi_dcs_write(struct mipi_dsi_device *dsi, u8 cmd,
const void *data, size_t len);
ssize_t mipi_dsi_dcs_read(struct mipi_dsi_device *dsi, u8 cmd, void *data,
size_t len);
+void mipi_dsi_dcs_read_multi(struct mipi_dsi_multi_context *ctx, u8 cmd,
+ void *data, size_t len);
int mipi_dsi_dcs_nop(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_soft_reset(struct mipi_dsi_device *dsi);
int mipi_dsi_dcs_get_power_mode(struct mipi_dsi_device *dsi, u8 *mode);
@@ -383,28 +391,23 @@ void mipi_dsi_dcs_set_tear_scanline_multi(struct mipi_dsi_multi_context *ctx,
void mipi_dsi_dcs_set_tear_off_multi(struct mipi_dsi_multi_context *ctx);
/**
- * mipi_dsi_generic_write_seq - transmit data using a generic write packet
- *
- * This macro will print errors for you and will RETURN FROM THE CALLING
- * FUNCTION (yes this is non-intuitive) upon error.
+ * mipi_dsi_generic_write_seq_multi - transmit data using a generic write packet
*
- * Because of the non-intuitive return behavior, THIS MACRO IS DEPRECATED.
- * Please replace calls of it with mipi_dsi_generic_write_seq_multi().
+ * This macro will print errors for you and error handling is optimized for
+ * callers that call this multiple times in a row.
*
- * @dsi: DSI peripheral device
+ * @ctx: Context for multiple DSI transactions
* @seq: buffer containing the payload
*/
-#define mipi_dsi_generic_write_seq(dsi, seq...) \
- do { \
- static const u8 d[] = { seq }; \
- int ret; \
- ret = mipi_dsi_generic_write_chatty(dsi, d, ARRAY_SIZE(d)); \
- if (ret < 0) \
- return ret; \
+#define mipi_dsi_generic_write_seq_multi(ctx, seq...) \
+ do { \
+ static const u8 d[] = { seq }; \
+ mipi_dsi_generic_write_multi(ctx, d, ARRAY_SIZE(d)); \
} while (0)
/**
- * mipi_dsi_generic_write_seq_multi - transmit data using a generic write packet
+ * mipi_dsi_generic_write_var_seq_multi - transmit non-constant data using a
+ * generic write packet
*
* This macro will print errors for you and error handling is optimized for
* callers that call this multiple times in a row.
@@ -412,9 +415,9 @@ void mipi_dsi_dcs_set_tear_off_multi(struct mipi_dsi_multi_context *ctx);
* @ctx: Context for multiple DSI transactions
* @seq: buffer containing the payload
*/
-#define mipi_dsi_generic_write_seq_multi(ctx, seq...) \
- do { \
- static const u8 d[] = { seq }; \
+#define mipi_dsi_generic_write_var_seq_multi(ctx, seq...) \
+ do { \
+ const u8 d[] = { seq }; \
mipi_dsi_generic_write_multi(ctx, d, ARRAY_SIZE(d)); \
} while (0)
@@ -435,6 +438,110 @@ void mipi_dsi_dcs_set_tear_off_multi(struct mipi_dsi_multi_context *ctx);
} while (0)
/**
+ * mipi_dsi_dcs_write_var_seq_multi - transmit a DCS command with non-constant
+ * payload
+ *
+ * This macro will print errors for you and error handling is optimized for
+ * callers that call this multiple times in a row.
+ *
+ * @ctx: Context for multiple DSI transactions
+ * @cmd: Command
+ * @seq: buffer containing data to be transmitted
+ */
+#define mipi_dsi_dcs_write_var_seq_multi(ctx, cmd, seq...) \
+ do { \
+ const u8 d[] = { cmd, seq }; \
+ mipi_dsi_dcs_write_buffer_multi(ctx, d, ARRAY_SIZE(d)); \
+ } while (0)
+
+/**
+ * mipi_dsi_dual - send the same MIPI DSI command to two interfaces
+ *
+ * This macro will send the specified MIPI DSI command twice, once per each of
+ * the two interfaces supplied. This is useful for reducing duplication of code
+ * in panel drivers which use two parallel serial interfaces.
+ *
+ * Note that the _func parameter cannot accept a macro such as
+ * mipi_dsi_generic_write_multi() or mipi_dsi_dcs_write_buffer_multi(). See
+ * mipi_dsi_dual_generic_write_multi() and
+ * mipi_dsi_dual_dcs_write_buffer_multi() instead.
+ *
+ * WARNING: This macro reuses the _func argument and the optional trailing
+ * arguments twice each, which may cause unintended side effects. For example,
+ * adding the postfix increment ++ operator to one of the arguments to be
+ * passed to _func will cause the variable to be incremented twice instead of
+ * once and the variable will be its original value + 1 when sent to _dsi2.
+ *
+ * @_func: MIPI DSI function to pass context and arguments into
+ * @_ctx: Context for multiple DSI transactions
+ * @_dsi1: First DSI interface to act as recipient of the MIPI DSI command
+ * @_dsi2: Second DSI interface to act as recipient of the MIPI DSI command
+ * @...: Arguments to pass to MIPI DSI function or macro
+ */
+
+#define mipi_dsi_dual(_func, _ctx, _dsi1, _dsi2, ...) \
+ do { \
+ struct mipi_dsi_multi_context *_ctxcpy = (_ctx); \
+ _ctxcpy->dsi = (_dsi1); \
+ (_func)(_ctxcpy, ##__VA_ARGS__); \
+ _ctxcpy->dsi = (_dsi2); \
+ (_func)(_ctxcpy, ##__VA_ARGS__); \
+ } while (0)
+
+/**
+ * mipi_dsi_dual_generic_write_seq_multi - transmit data using a generic write
+ * packet to two dsi interfaces, one after the other
+ *
+ * This macro will send the specified generic packet twice, once per each of
+ * the two interfaces supplied. This is useful for reducing duplication of code
+ * in panel drivers which use two parallel serial interfaces.
+ *
+ * Note that if an error occurs while transmitting the packet to the first DSI
+ * interface, the packet will not be sent to the second DSI interface.
+ *
+ * This macro will print errors for you and error handling is optimized for
+ * callers that call this multiple times in a row.
+ *
+ * @_ctx: Context for multiple DSI transactions
+ * @_dsi1: First DSI interface to act as recipient of packet
+ * @_dsi2: Second DSI interface to act as recipient of packet
+ * @_seq: buffer containing the payload
+ */
+#define mipi_dsi_dual_generic_write_seq_multi(_ctx, _dsi1, _dsi2, _seq...) \
+ do { \
+ static const u8 d[] = { _seq }; \
+ mipi_dsi_dual_generic_write_multi(_ctx, _dsi1, _dsi2, d, \
+ ARRAY_SIZE(d)); \
+ } while (0)
+
+/**
+ * mipi_dsi_dual_dcs_write_seq_multi - transmit a DCS command with payload to
+ * two dsi interfaces, one after the other
+ *
+ * This macro will send the specified DCS command with payload twice, once per
+ * each of the two interfaces supplied. This is useful for reducing duplication
+ * of code in panel drivers which use two parallel serial interfaces.
+ *
+ * Note that if an error occurs while transmitting the payload to the first DSI
+ * interface, the payload will not be sent to the second DSI interface.
+ *
+ * This macro will print errors for you and error handling is optimized for
+ * callers that call this multiple times in a row.
+ *
+ * @_ctx: Context for multiple DSI transactions
+ * @_dsi1: First DSI interface to act as recipient of packet
+ * @_dsi2: Second DSI interface to act as recipient of packet
+ * @_cmd: Command
+ * @_seq: buffer containing the payload
+ */
+#define mipi_dsi_dual_dcs_write_seq_multi(_ctx, _dsi1, _dsi2, _cmd, _seq...) \
+ do { \
+ static const u8 d[] = { _cmd, _seq }; \
+ mipi_dsi_dual_dcs_write_buffer_multi(_ctx, _dsi1, _dsi2, d, \
+ ARRAY_SIZE(d)); \
+ } while (0)
+
+/**
* struct mipi_dsi_driver - DSI driver
* @driver: device driver model driver
* @probe: callback for device binding
diff --git a/include/drm/drm_pagemap.h b/include/drm/drm_pagemap.h
index e5f20a1235be..f6e7e234c089 100644
--- a/include/drm/drm_pagemap.h
+++ b/include/drm/drm_pagemap.h
@@ -6,6 +6,8 @@
#include <linux/hmm.h>
#include <linux/types.h>
+#define NR_PAGES(order) (1U << (order))
+
struct drm_pagemap;
struct drm_pagemap_zdd;
struct device;
@@ -23,7 +25,7 @@ enum drm_interconnect_protocol {
};
/**
- * struct drm_pagemap_device_addr - Device address representation.
+ * struct drm_pagemap_addr - Address representation.
* @addr: The dma address or driver-defined address for driver private interconnects.
* @proto: The interconnect protocol.
* @order: The page order of the device mapping. (Size is PAGE_SIZE << order).
@@ -32,7 +34,7 @@ enum drm_interconnect_protocol {
* Note: There is room for improvement here. We should be able to pack into
* 64 bits.
*/
-struct drm_pagemap_device_addr {
+struct drm_pagemap_addr {
dma_addr_t addr;
u64 proto : 54;
u64 order : 8;
@@ -40,21 +42,21 @@ struct drm_pagemap_device_addr {
};
/**
- * drm_pagemap_device_addr_encode() - Encode a dma address with metadata
+ * drm_pagemap_addr_encode() - Encode a dma address with metadata
* @addr: The dma address or driver-defined address for driver private interconnects.
* @proto: The interconnect protocol.
* @order: The page order of the dma mapping. (Size is PAGE_SIZE << order).
* @dir: The DMA direction.
*
- * Return: A struct drm_pagemap_device_addr encoding the above information.
+ * Return: A struct drm_pagemap_addr encoding the above information.
*/
-static inline struct drm_pagemap_device_addr
-drm_pagemap_device_addr_encode(dma_addr_t addr,
- enum drm_interconnect_protocol proto,
- unsigned int order,
- enum dma_data_direction dir)
+static inline struct drm_pagemap_addr
+drm_pagemap_addr_encode(dma_addr_t addr,
+ enum drm_interconnect_protocol proto,
+ unsigned int order,
+ enum dma_data_direction dir)
{
- return (struct drm_pagemap_device_addr) {
+ return (struct drm_pagemap_addr) {
.addr = addr,
.proto = proto,
.order = order,
@@ -75,11 +77,11 @@ struct drm_pagemap_ops {
* @order: The page order of the device mapping. (Size is PAGE_SIZE << order).
* @dir: The transfer direction.
*/
- struct drm_pagemap_device_addr (*device_map)(struct drm_pagemap *dpagemap,
- struct device *dev,
- struct page *page,
- unsigned int order,
- enum dma_data_direction dir);
+ struct drm_pagemap_addr (*device_map)(struct drm_pagemap *dpagemap,
+ struct device *dev,
+ struct page *page,
+ unsigned int order,
+ enum dma_data_direction dir);
/**
* @device_unmap: Unmap a device address previously obtained using @device_map.
@@ -90,7 +92,7 @@ struct drm_pagemap_ops {
*/
void (*device_unmap)(struct drm_pagemap *dpagemap,
struct device *dev,
- struct drm_pagemap_device_addr addr);
+ struct drm_pagemap_addr addr);
/**
* @populate_mm: Populate part of the mm with @dpagemap memory,
@@ -170,29 +172,33 @@ struct drm_pagemap_devmem_ops {
/**
* @copy_to_devmem: Copy to device memory (required for migration)
* @pages: Pointer to array of device memory pages (destination)
- * @dma_addr: Pointer to array of DMA addresses (source)
+ * @pagemap_addr: Pointer to array of DMA information (source)
* @npages: Number of pages to copy
*
- * Copy pages to device memory.
+ * Copy pages to device memory. If the order of a @pagemap_addr entry
+ * is greater than 0, the entry is populated but subsequent entries
+ * within the range of that order are not populated.
*
* Return: 0 on success, a negative error code on failure.
*/
int (*copy_to_devmem)(struct page **pages,
- dma_addr_t *dma_addr,
+ struct drm_pagemap_addr *pagemap_addr,
unsigned long npages);
/**
* @copy_to_ram: Copy to system RAM (required for migration)
* @pages: Pointer to array of device memory pages (source)
- * @dma_addr: Pointer to array of DMA addresses (destination)
+ * @pagemap_addr: Pointer to array of DMA information (destination)
* @npages: Number of pages to copy
*
- * Copy pages to system RAM.
+ * Copy pages to system RAM. If the order of a @pagemap_addr entry
+ * is greater than 0, the entry is populated but subsequent entries
+ * within the range of that order are not populated.
*
* Return: 0 on success, a negative error code on failure.
*/
int (*copy_to_ram)(struct page **pages,
- dma_addr_t *dma_addr,
+ struct drm_pagemap_addr *pagemap_addr,
unsigned long npages);
};
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 843fb756a295..2407bfa60236 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -160,6 +160,20 @@ struct drm_panel_follower_funcs {
* Called before the panel is powered off.
*/
int (*panel_unpreparing)(struct drm_panel_follower *follower);
+
+ /**
+ * @panel_enabled:
+ *
+ * Called after the panel and the backlight have been enabled.
+ */
+ int (*panel_enabled)(struct drm_panel_follower *follower);
+
+ /**
+ * @panel_disabling:
+ *
+ * Called before the panel and the backlight are disabled.
+ */
+ int (*panel_disabling)(struct drm_panel_follower *follower);
};
struct drm_panel_follower {
diff --git a/include/drm/drm_utils.h b/include/drm/drm_utils.h
index 15fa9b6865f4..6a46f755daba 100644
--- a/include/drm/drm_utils.h
+++ b/include/drm/drm_utils.h
@@ -16,7 +16,13 @@ struct drm_edid;
int drm_get_panel_orientation_quirk(int width, int height);
-int drm_get_panel_min_brightness_quirk(const struct drm_edid *edid);
+struct drm_panel_backlight_quirk {
+ u16 min_brightness;
+ u32 brightness_mask;
+};
+
+const struct drm_panel_backlight_quirk *
+drm_get_panel_backlight_quirk(const struct drm_edid *edid);
signed long drm_timeout_abs_to_jiffies(int64_t timeout_nsec);
diff --git a/include/drm/intel/i915_component.h b/include/drm/intel/i915_component.h
index 4ea3b17aa143..8082db222e00 100644
--- a/include/drm/intel/i915_component.h
+++ b/include/drm/intel/i915_component.h
@@ -31,6 +31,7 @@ enum i915_component_type {
I915_COMPONENT_HDCP,
I915_COMPONENT_PXP,
I915_COMPONENT_GSC_PROXY,
+ INTEL_COMPONENT_LB,
};
/* MAX_PORT is the number of port
diff --git a/include/drm/intel/intel_lb_mei_interface.h b/include/drm/intel/intel_lb_mei_interface.h
new file mode 100644
index 000000000000..d65be2cba2ab
--- /dev/null
+++ b/include/drm/intel/intel_lb_mei_interface.h
@@ -0,0 +1,70 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * Copyright (c) 2025 Intel Corporation
+ */
+
+#ifndef _INTEL_LB_MEI_INTERFACE_H_
+#define _INTEL_LB_MEI_INTERFACE_H_
+
+#include <linux/types.h>
+
+struct device;
+
+/**
+ * define INTEL_LB_FLAG_IS_PERSISTENT - Mark the payload as persistent
+ *
+ * This flag indicates that the late binding payload should be stored
+ * persistently in flash across warm resets.
+ */
+#define INTEL_LB_FLAG_IS_PERSISTENT BIT(0)
+
+/**
+ * enum intel_lb_type - enum to determine late binding payload type
+ * @INTEL_LB_TYPE_FAN_CONTROL: Fan controller configuration
+ */
+enum intel_lb_type {
+ INTEL_LB_TYPE_FAN_CONTROL = 1,
+};
+
+/**
+ * enum intel_lb_status - Status codes returned on late binding transmissions
+ * @INTEL_LB_STATUS_SUCCESS: Operation completed successfully
+ * @INTEL_LB_STATUS_4ID_MISMATCH: Mismatch in the expected 4ID (firmware identity/token)
+ * @INTEL_LB_STATUS_ARB_FAILURE: Arbitration failure (e.g. conflicting access or state)
+ * @INTEL_LB_STATUS_GENERAL_ERROR: General firmware error not covered by other codes
+ * @INTEL_LB_STATUS_INVALID_PARAMS: One or more input parameters are invalid
+ * @INTEL_LB_STATUS_INVALID_SIGNATURE: Payload has an invalid or untrusted signature
+ * @INTEL_LB_STATUS_INVALID_PAYLOAD: Payload contents are not accepted by firmware
+ * @INTEL_LB_STATUS_TIMEOUT: Operation timed out before completion
+ */
+enum intel_lb_status {
+ INTEL_LB_STATUS_SUCCESS = 0,
+ INTEL_LB_STATUS_4ID_MISMATCH = 1,
+ INTEL_LB_STATUS_ARB_FAILURE = 2,
+ INTEL_LB_STATUS_GENERAL_ERROR = 3,
+ INTEL_LB_STATUS_INVALID_PARAMS = 4,
+ INTEL_LB_STATUS_INVALID_SIGNATURE = 5,
+ INTEL_LB_STATUS_INVALID_PAYLOAD = 6,
+ INTEL_LB_STATUS_TIMEOUT = 7,
+};
+
+/**
+ * struct intel_lb_component_ops - Ops for late binding services
+ */
+struct intel_lb_component_ops {
+ /**
+ * 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)
+ * @payload: Pointer to payload buffer
+ * @payload_size: Payload buffer size in bytes
+ *
+ * Return: 0 success, negative errno value on transport failure,
+ * positive status returned by firmware
+ */
+ int (*push_payload)(struct device *dev, u32 type, u32 flags,
+ const void *payload, size_t payload_size);
+};
+
+#endif /* _INTEL_LB_MEI_INTERFACE_H_ */
diff --git a/include/drm/intel/pciids.h b/include/drm/intel/pciids.h
index 76f8d26f9cc9..da6301a6fcea 100644
--- a/include/drm/intel/pciids.h
+++ b/include/drm/intel/pciids.h
@@ -26,6 +26,11 @@
#define __PCIIDS_H__
#ifdef __KERNEL__
+#define INTEL_PCI_DEVICE(_id, _info) { \
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, (_id)), \
+ .driver_data = (kernel_ulong_t)(_info), \
+}
+
#define INTEL_VGA_DEVICE(_id, _info) { \
PCI_DEVICE(PCI_VENDOR_ID_INTEL, (_id)), \
.class = PCI_BASE_CLASS_DISPLAY << 16, .class_mask = 0xff << 16, \
diff --git a/include/drm/ttm/ttm_bo.h b/include/drm/ttm/ttm_bo.h
index 479b7ed075c0..e664a96540eb 100644
--- a/include/drm/ttm/ttm_bo.h
+++ b/include/drm/ttm/ttm_bo.h
@@ -466,6 +466,8 @@ pgprot_t ttm_io_prot(struct ttm_buffer_object *bo, struct ttm_resource *res,
void ttm_bo_tt_destroy(struct ttm_buffer_object *bo);
int ttm_bo_populate(struct ttm_buffer_object *bo,
struct ttm_operation_ctx *ctx);
+int ttm_bo_setup_export(struct ttm_buffer_object *bo,
+ struct ttm_operation_ctx *ctx);
/* Driver LRU walk helpers initially targeted for shrinking. */
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index e52bba15012f..f49daa504c36 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -36,7 +36,7 @@
#include <drm/ttm/ttm_kmap_iter.h>
#define TTM_MAX_BO_PRIORITY 4U
-#define TTM_NUM_MEM_TYPES 8
+#define TTM_NUM_MEM_TYPES 9
struct dmem_cgroup_device;
struct ttm_device;