summaryrefslogtreecommitdiff
path: root/include/drm
diff options
context:
space:
mode:
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/bridge/dw_hdmi.h19
-rw-r--r--include/drm/bridge/mhl.h85
-rw-r--r--include/drm/drmP.h34
-rw-r--r--include/drm/drm_atomic.h37
-rw-r--r--include/drm/drm_atomic_helper.h22
-rw-r--r--include/drm/drm_auth.h17
-rw-r--r--include/drm/drm_bridge.h46
-rw-r--r--include/drm/drm_cache.h4
-rw-r--r--include/drm/drm_color_mgmt.h27
-rw-r--r--include/drm/drm_connector.h107
-rw-r--r--include/drm/drm_crtc.h98
-rw-r--r--include/drm/drm_crtc_helper.h1
-rw-r--r--include/drm/drm_dp_helper.h13
-rw-r--r--include/drm/drm_dp_mst_helper.h14
-rw-r--r--include/drm/drm_drv.h79
-rw-r--r--include/drm/drm_edid.h10
-rw-r--r--include/drm/drm_encoder.h9
-rw-r--r--include/drm/drm_encoder_slave.h1
-rw-r--r--include/drm/drm_fb_cma_helper.h12
-rw-r--r--include/drm/drm_fb_helper.h10
-rw-r--r--include/drm/drm_flip_work.h2
-rw-r--r--include/drm/drm_framebuffer.h46
-rw-r--r--include/drm/drm_gem.h16
-rw-r--r--include/drm/drm_gem_cma_helper.h17
-rw-r--r--include/drm/drm_irq.h8
-rw-r--r--include/drm/drm_mm.h443
-rw-r--r--include/drm/drm_mode_config.h30
-rw-r--r--include/drm/drm_mode_object.h13
-rw-r--r--include/drm/drm_modes.h2
-rw-r--r--include/drm/drm_modeset_helper.h3
-rw-r--r--include/drm/drm_modeset_helper_vtables.h147
-rw-r--r--include/drm/drm_modeset_lock.h2
-rw-r--r--include/drm/drm_panel.h4
-rw-r--r--include/drm/drm_plane.h28
-rw-r--r--include/drm/drm_print.h24
-rw-r--r--include/drm/drm_property.h8
-rw-r--r--include/drm/drm_simple_kms_helper.h18
-rw-r--r--include/drm/i915_pciids.h21
-rw-r--r--include/drm/intel-gtt.h6
-rw-r--r--include/drm/tinydrm/ili9341.h54
-rw-r--r--include/drm/tinydrm/mipi-dbi.h107
-rw-r--r--include/drm/tinydrm/tinydrm-helpers.h81
-rw-r--r--include/drm/tinydrm/tinydrm.h115
-rw-r--r--include/drm/ttm/ttm_bo_api.h2
-rw-r--r--include/drm/ttm/ttm_bo_driver.h31
45 files changed, 1321 insertions, 552 deletions
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
index bae79f3c4d28..b080a171a23f 100644
--- a/include/drm/bridge/dw_hdmi.h
+++ b/include/drm/bridge/dw_hdmi.h
@@ -27,6 +27,16 @@ enum dw_hdmi_devtype {
RK3288_HDMI,
};
+enum dw_hdmi_phy_type {
+ DW_HDMI_PHY_DWC_HDMI_TX_PHY = 0x00,
+ DW_HDMI_PHY_DWC_MHL_PHY_HEAC = 0xb2,
+ DW_HDMI_PHY_DWC_MHL_PHY = 0xc2,
+ DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY_HEAC = 0xe2,
+ DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY = 0xf2,
+ DW_HDMI_PHY_DWC_HDMI20_TX_PHY = 0xf3,
+ DW_HDMI_PHY_VENDOR_PHY = 0xfe,
+};
+
struct dw_hdmi_mpll_config {
unsigned long mpixelclock;
struct {
@@ -56,10 +66,11 @@ struct dw_hdmi_plat_data {
struct drm_display_mode *mode);
};
-void dw_hdmi_unbind(struct device *dev, struct device *master, void *data);
-int dw_hdmi_bind(struct device *dev, struct device *master,
- void *data, struct drm_encoder *encoder,
- struct resource *iores, int irq,
+int dw_hdmi_probe(struct platform_device *pdev,
+ const struct dw_hdmi_plat_data *plat_data);
+void dw_hdmi_remove(struct platform_device *pdev);
+void dw_hdmi_unbind(struct device *dev);
+int dw_hdmi_bind(struct platform_device *pdev, struct drm_encoder *encoder,
const struct dw_hdmi_plat_data *plat_data);
void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate);
diff --git a/include/drm/bridge/mhl.h b/include/drm/bridge/mhl.h
index 3629b2734db6..fbdfc8d7f3c7 100644
--- a/include/drm/bridge/mhl.h
+++ b/include/drm/bridge/mhl.h
@@ -15,6 +15,8 @@
#ifndef __MHL_H__
#define __MHL_H__
+#include <linux/types.h>
+
/* Device Capabilities Registers */
enum {
MHL_DCAP_DEV_STATE,
@@ -288,4 +290,87 @@ enum {
/* Unsupported/unrecognized key code */
#define MHL_UCPE_STATUS_INEFFECTIVE_KEY_CODE 0x01
+enum mhl_burst_id {
+ MHL_BURST_ID_3D_VIC = 0x10,
+ MHL_BURST_ID_3D_DTD = 0x11,
+ MHL_BURST_ID_HEV_VIC = 0x20,
+ MHL_BURST_ID_HEV_DTDA = 0x21,
+ MHL_BURST_ID_HEV_DTDB = 0x22,
+ MHL_BURST_ID_VC_ASSIGN = 0x38,
+ MHL_BURST_ID_VC_CONFIRM = 0x39,
+ MHL_BURST_ID_AUD_DELAY = 0x40,
+ MHL_BURST_ID_ADT_BURSTID = 0x41,
+ MHL_BURST_ID_BIST_SETUP = 0x51,
+ MHL_BURST_ID_BIST_RETURN_STAT = 0x52,
+ MHL_BURST_ID_EMSC_SUPPORT = 0x61,
+ MHL_BURST_ID_HID_PAYLOAD = 0x62,
+ MHL_BURST_ID_BLK_RCV_BUFFER_INFO = 0x63,
+ MHL_BURST_ID_BITS_PER_PIXEL_FMT = 0x64,
+};
+
+struct mhl_burst_blk_rcv_buffer_info {
+ __be16 id;
+ __le16 size;
+} __packed;
+
+struct mhl3_burst_header {
+ __be16 id;
+ u8 checksum;
+ u8 total_entries;
+ u8 sequence_index;
+} __packed;
+
+struct mhl_burst_bits_per_pixel_fmt {
+ struct mhl3_burst_header hdr;
+ u8 num_entries;
+ struct {
+ u8 stream_id;
+ u8 pixel_format;
+ } __packed desc[0];
+} __packed;
+
+struct mhl_burst_emsc_support {
+ struct mhl3_burst_header hdr;
+ u8 num_entries;
+ __be16 burst_id[0];
+} __packed;
+
+struct mhl_burst_audio_descr {
+ struct mhl3_burst_header hdr;
+ u8 flags;
+ u8 short_desc[9];
+} __packed;
+
+/*
+ * MHL3 infoframe related definitions
+ */
+
+#define MHL3_IEEE_OUI 0x7ca61d
+#define MHL3_INFOFRAME_SIZE 15
+
+enum mhl3_video_format {
+ MHL3_VIDEO_FORMAT_NONE,
+ MHL3_VIDEO_FORMAT_3D,
+ MHL3_VIDEO_FORMAT_MULTI_VIEW,
+ MHL3_VIDEO_FORMAT_DUAL_3D
+};
+
+enum mhl3_3d_format_type {
+ MHL3_3D_FORMAT_TYPE_FS, /* frame sequential */
+ MHL3_3D_FORMAT_TYPE_TB, /* top-bottom */
+ MHL3_3D_FORMAT_TYPE_LR, /* left-right */
+ MHL3_3D_FORMAT_TYPE_FS_TB, /* frame sequential, top-bottom */
+ MHL3_3D_FORMAT_TYPE_FS_LR, /* frame sequential, left-right */
+ MHL3_3D_FORMAT_TYPE_TB_LR /* top-bottom, left-right */
+};
+
+struct mhl3_infoframe {
+ unsigned char version;
+ enum mhl3_video_format video_format;
+ enum mhl3_3d_format_type format_type;
+ bool sep_audio;
+ int hev_format;
+ int av_delay;
+};
+
#endif /* __MHL_H__ */
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 9c4ee144b5f6..6105c050d7bc 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -360,6 +360,7 @@ struct drm_ioctl_desc {
/* Event queued up for userspace to read */
struct drm_pending_event {
struct completion *completion;
+ void (*completion_release)(struct completion *completion);
struct drm_event *event;
struct dma_fence *fence;
struct list_head link;
@@ -635,6 +636,19 @@ struct drm_device {
int switch_power_state;
};
+/**
+ * drm_drv_uses_atomic_modeset - check if the driver implements
+ * atomic_commit()
+ * @dev: DRM device
+ *
+ * This check is useful if drivers do not have DRIVER_ATOMIC set but
+ * have atomic modesetting internally implemented.
+ */
+static inline bool drm_drv_uses_atomic_modeset(struct drm_device *dev)
+{
+ return dev->mode_config.funcs->atomic_commit != NULL;
+}
+
#include <drm/drm_irq.h>
#define DRM_SWITCH_POWER_ON 0
@@ -718,11 +732,6 @@ int drm_noop(struct drm_device *dev, void *data,
int drm_invalid_op(struct drm_device *dev, void *data,
struct drm_file *file_priv);
-/* Cache management (drm_cache.c) */
-void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
-void drm_clflush_sg(struct sg_table *st);
-void drm_clflush_virt_range(void *addr, unsigned long length);
-
/*
* These are exported to drivers so that they can implement fencing using
* DMA quiscent + idle. DMA quiescent usually requires the hardware lock.
@@ -782,21 +791,6 @@ extern void drm_sysfs_hotplug_event(struct drm_device *dev);
/*@}*/
-/* PCI section */
-static __inline__ int drm_pci_device_is_agp(struct drm_device *dev)
-{
- if (dev->driver->device_is_agp != NULL) {
- int err = (*dev->driver->device_is_agp) (dev);
-
- if (err != 2) {
- return err;
- }
- }
-
- return pci_find_capability(dev->pdev, PCI_CAP_ID_AGP);
-}
-void drm_pci_agp_destroy(struct drm_device *dev);
-
extern int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver);
extern void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver);
#ifdef CONFIG_PCI
diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h
index 56814e8ae7ea..052ab161b239 100644
--- a/include/drm/drm_atomic.h
+++ b/include/drm/drm_atomic.h
@@ -123,7 +123,8 @@ struct drm_crtc_commit {
/**
* @commit_entry:
*
- * Entry on the per-CRTC commit_list. Protected by crtc->commit_lock.
+ * Entry on the per-CRTC &drm_crtc.commit_list. Protected by
+ * $drm_crtc.commit_lock.
*/
struct list_head commit_entry;
@@ -145,6 +146,7 @@ struct __drm_crtcs_state {
struct drm_crtc_state *state;
struct drm_crtc_commit *commit;
s32 __user *out_fence_ptr;
+ unsigned last_vblank_count;
};
struct __drm_connnectors_state {
@@ -188,12 +190,31 @@ struct drm_atomic_state {
struct work_struct commit_work;
};
-void drm_crtc_commit_put(struct drm_crtc_commit *commit);
+void __drm_crtc_commit_free(struct kref *kref);
+
+/**
+ * drm_crtc_commit_get - acquire a reference to the CRTC commit
+ * @commit: CRTC commit
+ *
+ * Increases the reference of @commit.
+ */
static inline void drm_crtc_commit_get(struct drm_crtc_commit *commit)
{
kref_get(&commit->ref);
}
+/**
+ * drm_crtc_commit_put - release a reference to the CRTC commmit
+ * @commit: CRTC commit
+ *
+ * This releases a reference to @commit which is freed after removing the
+ * final reference. No locking required and callable from any context.
+ */
+static inline void drm_crtc_commit_put(struct drm_crtc_commit *commit)
+{
+ kref_put(&commit->ref, __drm_crtc_commit_free);
+}
+
struct drm_atomic_state * __must_check
drm_atomic_state_alloc(struct drm_device *dev);
void drm_atomic_state_clear(struct drm_atomic_state *state);
@@ -369,12 +390,6 @@ int __must_check drm_atomic_nonblocking_commit(struct drm_atomic_state *state);
void drm_state_dump(struct drm_device *dev, struct drm_printer *p);
-#ifdef CONFIG_DEBUG_FS
-struct drm_minor;
-int drm_atomic_debugfs_init(struct drm_minor *minor);
-int drm_atomic_debugfs_cleanup(struct drm_minor *minor);
-#endif
-
#define for_each_connector_in_state(__state, connector, connector_state, __i) \
for ((__i) = 0; \
(__i) < (__state)->num_connector && \
@@ -403,7 +418,7 @@ int drm_atomic_debugfs_cleanup(struct drm_minor *minor);
* drm_atomic_crtc_needs_modeset - compute combined modeset need
* @state: &drm_crtc_state for the CRTC
*
- * To give drivers flexibility struct &drm_crtc_state has 3 booleans to track
+ * To give drivers flexibility &struct drm_crtc_state has 3 booleans to track
* whether the state CRTC changed enough to need a full modeset cycle:
* connectors_changed, mode_changed and active_changed. This helper simply
* combines these three to compute the overall need for a modeset for @state.
@@ -415,7 +430,8 @@ int drm_atomic_debugfs_cleanup(struct drm_minor *minor);
*
* For example if the CRTC mode has changed, and the hardware is able to enact
* the requested mode change without going through a full modeset, the driver
- * should clear mode_changed during its ->atomic_check.
+ * should clear mode_changed in its &drm_mode_config_funcs.atomic_check
+ * implementation.
*/
static inline bool
drm_atomic_crtc_needs_modeset(const struct drm_crtc_state *state)
@@ -424,5 +440,4 @@ drm_atomic_crtc_needs_modeset(const struct drm_crtc_state *state)
state->connectors_changed;
}
-
#endif /* DRM_ATOMIC_H_ */
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index 7ff92b09fd9c..d066e9491ae3 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -48,9 +48,6 @@ int drm_atomic_helper_commit(struct drm_device *dev,
int drm_atomic_helper_wait_for_fences(struct drm_device *dev,
struct drm_atomic_state *state,
bool pre_swap);
-bool drm_atomic_helper_framebuffer_changed(struct drm_device *dev,
- struct drm_atomic_state *old_state,
- struct drm_crtc *crtc);
void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev,
struct drm_atomic_state *old_state);
@@ -124,6 +121,12 @@ int drm_atomic_helper_page_flip(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
struct drm_pending_vblank_event *event,
uint32_t flags);
+int drm_atomic_helper_page_flip_target(
+ struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ struct drm_pending_vblank_event *event,
+ uint32_t flags,
+ uint32_t target);
int drm_atomic_helper_connector_dpms(struct drm_connector *connector,
int mode);
struct drm_encoder *
@@ -174,7 +177,8 @@ int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
*
* This iterates over the current state, useful (for example) when applying
* atomic state after it has been checked and swapped. To iterate over the
- * planes which *will* be attached (for ->atomic_check()) see
+ * planes which *will* be attached (more useful in code called from
+ * &drm_mode_config_funcs.atomic_check) see
* drm_atomic_crtc_state_for_each_plane().
*/
#define drm_atomic_crtc_for_each_plane(plane, crtc) \
@@ -186,8 +190,9 @@ int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
* @crtc_state: the incoming crtc-state
*
* Similar to drm_crtc_for_each_plane(), but iterates the planes that will be
- * attached if the specified state is applied. Useful during (for example)
- * ->atomic_check() operations, to validate the incoming state.
+ * attached if the specified state is applied. Useful during for example
+ * in code called from &drm_mode_config_funcs.atomic_check operations, to
+ * validate the incoming state.
*/
#define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \
drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask)
@@ -199,8 +204,9 @@ int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
* @crtc_state: the incoming crtc-state
*
* Similar to drm_crtc_for_each_plane(), but iterates the planes that will be
- * attached if the specified state is applied. Useful during (for example)
- * ->atomic_check() operations, to validate the incoming state.
+ * attached if the specified state is applied. Useful during for example
+ * in code called from &drm_mode_config_funcs.atomic_check operations, to
+ * validate the incoming state.
*
* Compared to just drm_atomic_crtc_state_for_each_plane() this also fills in a
* const plane_state. This is useful when a driver just wants to peek at other
diff --git a/include/drm/drm_auth.h b/include/drm/drm_auth.h
index 610223b0481b..1eb4a52cad8d 100644
--- a/include/drm/drm_auth.h
+++ b/include/drm/drm_auth.h
@@ -33,10 +33,7 @@
*
* @refcount: Refcount for this master object.
* @dev: Link back to the DRM device
- * @unique: Unique identifier: e.g. busid. Protected by drm_global_mutex.
- * @unique_len: Length of unique field. Protected by drm_global_mutex.
- * @magic_map: Map of used authentication tokens. Protected by struct_mutex.
- * @lock: DRI lock information.
+ * @lock: DRI1 lock information.
* @driver_priv: Pointer to driver-private information.
*
* Note that master structures are only relevant for the legacy/primary device
@@ -45,8 +42,20 @@
struct drm_master {
struct kref refcount;
struct drm_device *dev;
+ /**
+ * @unique: Unique identifier: e.g. busid. Protected by
+ * &drm_device.master_mutex.
+ */
char *unique;
+ /**
+ * @unique_len: Length of unique field. Protected by
+ * &drm_device.master_mutex.
+ */
int unique_len;
+ /**
+ * @magic_map: Map of used authentication tokens. Protected by
+ * &drm_device.master_mutex.
+ */
struct idr magic_map;
struct drm_lock_data lock;
void *driver_priv;
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index 530a1d6e8cde..fdd82fcbf168 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -96,9 +96,10 @@ struct drm_bridge_funcs {
* This callback should disable the bridge. It is called right before
* the preceding element in the display pipe is disabled. If the
* preceding element is a bridge this means it's called before that
- * bridge's ->disable() function. If the preceding element is a
- * &drm_encoder it's called right before the encoder's ->disable(),
- * ->prepare() or ->dpms() hook from struct &drm_encoder_helper_funcs.
+ * bridge's @disable vfunc. If the preceding element is a &drm_encoder
+ * it's called right before the &drm_encoder_helper_funcs.disable,
+ * &drm_encoder_helper_funcs.prepare or &drm_encoder_helper_funcs.dpms
+ * hook.
*
* The bridge can assume that the display pipe (i.e. clocks and timing
* signals) feeding it is still running when this callback is called.
@@ -110,12 +111,13 @@ struct drm_bridge_funcs {
/**
* @post_disable:
*
- * This callback should disable the bridge. It is called right after
- * the preceding element in the display pipe is disabled. If the
- * preceding element is a bridge this means it's called after that
- * bridge's ->post_disable() function. If the preceding element is a
- * &drm_encoder it's called right after the encoder's ->disable(),
- * ->prepare() or ->dpms() hook from struct &drm_encoder_helper_funcs.
+ * This callback should disable the bridge. It is called right after the
+ * preceding element in the display pipe is disabled. If the preceding
+ * element is a bridge this means it's called after that bridge's
+ * @post_disable function. If the preceding element is a &drm_encoder
+ * it's called right after the encoder's
+ * &drm_encoder_helper_funcs.disable, &drm_encoder_helper_funcs.prepare
+ * or &drm_encoder_helper_funcs.dpms hook.
*
* The bridge must assume that the display pipe (i.e. clocks and timing
* singals) feeding it is no longer running when this callback is
@@ -129,9 +131,11 @@ struct drm_bridge_funcs {
* @mode_set:
*
* This callback should set the given mode on the bridge. It is called
- * after the ->mode_set() callback for the preceding element in the
- * display pipeline has been called already. The display pipe (i.e.
- * clocks and timing signals) is off when this function is called.
+ * after the @mode_set callback for the preceding element in the display
+ * pipeline has been called already. If the bridge is the first element
+ * then this would be &drm_encoder_helper_funcs.mode_set. The display
+ * pipe (i.e. clocks and timing signals) is off when this function is
+ * called.
*/
void (*mode_set)(struct drm_bridge *bridge,
struct drm_display_mode *mode,
@@ -142,9 +146,10 @@ struct drm_bridge_funcs {
* This callback should enable the bridge. It is called right before
* the preceding element in the display pipe is enabled. If the
* preceding element is a bridge this means it's called before that
- * bridge's ->pre_enable() function. If the preceding element is a
- * &drm_encoder it's called right before the encoder's ->enable(),
- * ->commit() or ->dpms() hook from struct &drm_encoder_helper_funcs.
+ * bridge's @pre_enable function. If the preceding element is a
+ * &drm_encoder it's called right before the encoder's
+ * &drm_encoder_helper_funcs.enable, &drm_encoder_helper_funcs.commit or
+ * &drm_encoder_helper_funcs.dpms hook.
*
* The display pipe (i.e. clocks and timing signals) feeding this bridge
* will not yet be running when this callback is called. The bridge must
@@ -161,9 +166,10 @@ struct drm_bridge_funcs {
* This callback should enable the bridge. It is called right after
* the preceding element in the display pipe is enabled. If the
* preceding element is a bridge this means it's called after that
- * bridge's ->enable() function. If the preceding element is a
- * &drm_encoder it's called right after the encoder's ->enable(),
- * ->commit() or ->dpms() hook from struct &drm_encoder_helper_funcs.
+ * bridge's @enable function. If the preceding element is a
+ * &drm_encoder it's called right after the encoder's
+ * &drm_encoder_helper_funcs.enable, &drm_encoder_helper_funcs.commit or
+ * &drm_encoder_helper_funcs.dpms hook.
*
* The bridge can assume that the display pipe (i.e. clocks and timing
* signals) feeding it is running when this callback is called. This
@@ -201,8 +207,8 @@ struct drm_bridge {
int drm_bridge_add(struct drm_bridge *bridge);
void drm_bridge_remove(struct drm_bridge *bridge);
struct drm_bridge *of_drm_find_bridge(struct device_node *np);
-int drm_bridge_attach(struct drm_device *dev, struct drm_bridge *bridge);
-void drm_bridge_detach(struct drm_bridge *bridge);
+int drm_bridge_attach(struct drm_encoder *encoder, struct drm_bridge *bridge,
+ struct drm_bridge *previous);
bool drm_bridge_mode_fixup(struct drm_bridge *bridge,
const struct drm_display_mode *mode,
diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h
index cebecff536a3..beab0f0d0cfb 100644
--- a/include/drm/drm_cache.h
+++ b/include/drm/drm_cache.h
@@ -33,7 +33,11 @@
#ifndef _DRM_CACHE_H_
#define _DRM_CACHE_H_
+#include <linux/scatterlist.h>
+
void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
+void drm_clflush_sg(struct sg_table *st);
+void drm_clflush_virt_range(void *addr, unsigned long length);
static inline bool drm_arch_can_wc_memory(void)
{
diff --git a/include/drm/drm_color_mgmt.h b/include/drm/drm_color_mgmt.h
index c767238ac9d5..bce4a532836d 100644
--- a/include/drm/drm_color_mgmt.h
+++ b/include/drm/drm_color_mgmt.h
@@ -25,6 +25,8 @@
#include <linux/ctype.h>
+uint32_t drm_color_lut_extract(uint32_t user_input, uint32_t bit_precision);
+
void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc,
uint degamma_lut_size,
bool has_ctm,
@@ -33,29 +35,4 @@ void drm_crtc_enable_color_mgmt(struct drm_crtc *crtc,
int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
int gamma_size);
-/**
- * drm_color_lut_extract - clamp&round LUT entries
- * @user_input: input value
- * @bit_precision: number of bits the hw LUT supports
- *
- * Extract a degamma/gamma LUT value provided by user (in the form of
- * &drm_color_lut entries) and round it to the precision supported by the
- * hardware.
- */
-static inline uint32_t drm_color_lut_extract(uint32_t user_input,
- uint32_t bit_precision)
-{
- uint32_t val = user_input;
- uint32_t max = 0xffff >> (16 - bit_precision);
-
- /* Round only if we're not using full precision. */
- if (bit_precision < 16) {
- val += 1UL << (16 - bit_precision - 1);
- val >>= 16 - bit_precision;
- }
-
- return clamp_val(val, 0, max);
-}
-
-
#endif
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 045a97cbeba2..e5e1eddd19fb 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -94,7 +94,7 @@ enum subpixel_order {
*
* Describes a given display (e.g. CRT or flat panel) and its limitations. For
* fixed display sinks like built-in panels there's not much difference between
- * this and struct &drm_connector. But for sinks with a real cable this
+ * this and &struct drm_connector. But for sinks with a real cable this
* structure is meant to describe all the things at the other end of the cable.
*
* For sinks which provide an EDID this can be filled out by calling
@@ -117,7 +117,7 @@ struct drm_display_info {
/**
* @pixel_clock: Maximum pixel clock supported by the sink, in units of
- * 100Hz. This mismatches the clok in &drm_display_mode (which is in
+ * 100Hz. This mismatches the clock in &drm_display_mode (which is in
* kHZ), because that's what the EDID uses as base unit.
*/
unsigned int pixel_clock;
@@ -331,15 +331,15 @@ struct drm_connector_funcs {
*
* Entry point for output detection and basic mode validation. The
* driver should reprobe the output if needed (e.g. when hotplug
- * handling is unreliable), add all detected modes to connector->modes
+ * handling is unreliable), add all detected modes to &drm_connector.modes
* and filter out any the device can't support in any configuration. It
* also needs to filter out any modes wider or higher than the
* parameters max_width and max_height indicate.
*
* The drivers must also prune any modes no longer valid from
- * connector->modes. Furthermore it must update connector->status and
- * connector->edid. If no EDID has been received for this output
- * connector->edid must be NULL.
+ * &drm_connector.modes. Furthermore it must update
+ * &drm_connector.status and &drm_connector.edid. If no EDID has been
+ * received for this output connector->edid must be NULL.
*
* Drivers using the probe helpers should use
* drm_helper_probe_single_connector_modes() or
@@ -348,7 +348,7 @@ struct drm_connector_funcs {
*
* RETURNS:
*
- * The number of modes detected and filled into connector->modes.
+ * The number of modes detected and filled into &drm_connector.modes.
*/
int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
@@ -381,7 +381,7 @@ struct drm_connector_funcs {
* core drm connector interfaces. Everything added from this callback
* should be unregistered in the early_unregister callback.
*
- * This is called while holding drm_connector->mutex.
+ * This is called while holding &drm_connector.mutex.
*
* Returns:
*
@@ -398,7 +398,7 @@ struct drm_connector_funcs {
* early in the driver unload sequence to disable userspace access
* before data structures are torndown.
*
- * This is called while holding drm_connector->mutex.
+ * This is called while holding &drm_connector.mutex.
*/
void (*early_unregister)(struct drm_connector *connector);
@@ -418,17 +418,17 @@ struct drm_connector_funcs {
* Duplicate the current atomic state for this connector and return it.
* The core and helpers guarantee that any atomic state duplicated with
* this hook and still owned by the caller (i.e. not transferred to the
- * driver by calling ->atomic_commit() from struct
- * &drm_mode_config_funcs) will be cleaned up by calling the
- * @atomic_destroy_state hook in this structure.
+ * driver by calling &drm_mode_config_funcs.atomic_commit) will be
+ * cleaned up by calling the @atomic_destroy_state hook in this
+ * structure.
*
- * Atomic drivers which don't subclass struct &drm_connector_state should use
+ * Atomic drivers which don't subclass &struct drm_connector_state should use
* drm_atomic_helper_connector_duplicate_state(). Drivers that subclass the
* state structure to extend it with driver-private state should use
* __drm_atomic_helper_connector_duplicate_state() to make sure shared state is
* duplicated in a consistent fashion across drivers.
*
- * It is an error to call this hook before connector->state has been
+ * It is an error to call this hook before &drm_connector.state has been
* initialized correctly.
*
* NOTE:
@@ -525,7 +525,7 @@ struct drm_connector_funcs {
/**
* @atomic_print_state:
*
- * If driver subclasses struct &drm_connector_state, it should implement
+ * If driver subclasses &struct drm_connector_state, it should implement
* this optional hook for printing additional driver specific state.
*
* Do not call this directly, use drm_atomic_connector_print_state()
@@ -563,9 +563,6 @@ struct drm_cmdline_mode {
* @interlace_allowed: can this connector handle interlaced modes?
* @doublescan_allowed: can this connector handle doublescan?
* @stereo_allowed: can this connector handle stereo modes?
- * @modes: modes available on this connector (from fill_modes() + user)
- * @status: one of the drm_connector_status enums (connected, not, or unknown)
- * @probed_modes: list of modes derived directly from the display
* @funcs: connector control functions
* @edid_blob_ptr: DRM property containing EDID if present
* @properties: property tracking for this connector
@@ -612,8 +609,8 @@ struct drm_connector {
/**
* @mutex: Lock for general connector state, but currently only protects
- * @registered. Most of the connector state is still protected by the
- * mutex in &drm_mode_config.
+ * @registered. Most of the connector state is still protected by
+ * &drm_mode_config.mutex.
*/
struct mutex mutex;
@@ -635,19 +632,37 @@ struct drm_connector {
* Protected by @mutex.
*/
bool registered;
- struct list_head modes; /* list of modes on this connector */
+ /**
+ * @modes:
+ * Modes available on this connector (from fill_modes() + user).
+ * Protected by &drm_mode_config.mutex.
+ */
+ struct list_head modes;
+
+ /**
+ * @status:
+ * One of the drm_connector_status enums (connected, not, or unknown).
+ * Protected by &drm_mode_config.mutex.
+ */
enum drm_connector_status status;
- /* these are modes added by probing with DDC or the BIOS */
+ /**
+ * @probed_modes:
+ * These are modes added by probing with DDC or the BIOS, before
+ * filtering is applied. Used by the probe helpers. Protected by
+ * &drm_mode_config.mutex.
+ */
struct list_head probed_modes;
/**
* @display_info: Display information is filled from EDID information
* when a display is detected. For non hot-pluggable displays such as
* flat panels in embedded systems, the driver should initialize the
- * display_info.width_mm and display_info.height_mm fields with the
- * physical size of the display.
+ * &drm_display_info.width_mm and &drm_display_info.height_mm fields
+ * with the physical size of the display.
+ *
+ * Protected by &drm_mode_config.mutex.
*/
struct drm_display_info display_info;
const struct drm_connector_funcs *funcs;
@@ -853,12 +868,46 @@ void drm_mode_put_tile_group(struct drm_device *dev,
* @dev: the DRM device
*
* Iterate over all connectors of @dev.
+ *
+ * WARNING:
+ *
+ * This iterator is not safe against hotadd/removal of connectors and is
+ * deprecated. Use drm_for_each_connector_iter() instead.
*/
#define drm_for_each_connector(connector, dev) \
- for (assert_drm_connector_list_read_locked(&(dev)->mode_config), \
- connector = list_first_entry(&(dev)->mode_config.connector_list, \
- struct drm_connector, head); \
- &connector->head != (&(dev)->mode_config.connector_list); \
- connector = list_next_entry(connector, head))
+ list_for_each_entry(connector, &(dev)->mode_config.connector_list, head)
+
+/**
+ * struct drm_connector_list_iter - connector_list iterator
+ *
+ * This iterator tracks state needed to be able to walk the connector_list
+ * within struct drm_mode_config. Only use together with
+ * drm_connector_list_iter_get(), drm_connector_list_iter_put() and
+ * drm_connector_list_iter_next() respectively the convenience macro
+ * drm_for_each_connector_iter().
+ */
+struct drm_connector_list_iter {
+/* private: */
+ struct drm_device *dev;
+ struct drm_connector *conn;
+};
+
+void drm_connector_list_iter_get(struct drm_device *dev,
+ struct drm_connector_list_iter *iter);
+struct drm_connector *
+drm_connector_list_iter_next(struct drm_connector_list_iter *iter);
+void drm_connector_list_iter_put(struct drm_connector_list_iter *iter);
+
+/**
+ * drm_for_each_connector_iter - connector_list iterator macro
+ * @connector: &struct drm_connector pointer used as cursor
+ * @iter: &struct drm_connector_list_iter
+ *
+ * Note that @connector is only valid within the list body, if you want to use
+ * @connector after calling drm_connector_list_iter_put() then you need to grab
+ * your own reference first using drm_connector_reference().
+ */
+#define drm_for_each_connector_iter(connector, iter) \
+ while ((connector = drm_connector_list_iter_next(iter)))
#endif
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index 946672f97e1e..8f0b195e4a59 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -39,7 +39,6 @@
#include <drm/drm_framebuffer.h>
#include <drm/drm_modes.h>
#include <drm/drm_connector.h>
-#include <drm/drm_encoder.h>
#include <drm/drm_property.h>
#include <drm/drm_bridge.h>
#include <drm/drm_edid.h>
@@ -68,14 +67,12 @@ static inline uint64_t I642U64(int64_t val)
}
struct drm_crtc;
-struct drm_encoder;
struct drm_pending_vblank_event;
struct drm_plane;
struct drm_bridge;
struct drm_atomic_state;
struct drm_crtc_helper_funcs;
-struct drm_encoder_helper_funcs;
struct drm_plane_helper_funcs;
/**
@@ -84,8 +81,8 @@ struct drm_plane_helper_funcs;
* @enable: whether the CRTC should be enabled, gates all other state
* @active: whether the CRTC is actively displaying (used for DPMS)
* @planes_changed: planes on this crtc are updated
- * @mode_changed: crtc_state->mode or crtc_state->enable has been changed
- * @active_changed: crtc_state->active has been toggled.
+ * @mode_changed: @mode or @enable has been changed
+ * @active_changed: @active has been toggled.
* @connectors_changed: connectors to this crtc have been updated
* @zpos_changed: zpos values of planes on this crtc have been updated
* @color_mgmt_changed: color management properties have changed (degamma or
@@ -93,8 +90,6 @@ struct drm_plane_helper_funcs;
* @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes
* @connector_mask: bitmask of (1 << drm_connector_index(connector)) of attached connectors
* @encoder_mask: bitmask of (1 << drm_encoder_index(encoder)) of attached encoders
- * @last_vblank_count: for helpers and drivers to capture the vblank of the
- * update to ensure framebuffer cleanup isn't done too early
* @adjusted_mode: for use by helpers and drivers to compute adjusted mode timings
* @mode: current mode timings
* @mode_blob: &drm_property_blob for @mode
@@ -107,9 +102,10 @@ struct drm_plane_helper_funcs;
*
* Note that the distinction between @enable and @active is rather subtile:
* Flipping @active while @enable is set without changing anything else may
- * never return in a failure from the ->atomic_check callback. Userspace assumes
- * that a DPMS On will always succeed. In other words: @enable controls resource
- * assignment, @active controls the actual hardware state.
+ * never return in a failure from the &drm_mode_config_funcs.atomic_check
+ * callback. Userspace assumes that a DPMS On will always succeed. In other
+ * words: @enable controls resource assignment, @active controls the actual
+ * hardware state.
*
* The three booleans active_changed, connectors_changed and mode_changed are
* intended to indicate whether a full modeset is needed, rather than strictly
@@ -140,9 +136,6 @@ struct drm_crtc_state {
u32 connector_mask;
u32 encoder_mask;
- /* last_vblank_count: for vblank waits before cleanup */
- u32 last_vblank_count;
-
/* adjusted_mode: for use by helpers and drivers */
struct drm_display_mode adjusted_mode;
@@ -157,6 +150,15 @@ struct drm_crtc_state {
struct drm_property_blob *gamma_lut;
/**
+ * @target_vblank:
+ *
+ * Target vertical blank period when a page flip
+ * should take effect.
+ */
+
+ u32 target_vblank;
+
+ /**
* @event:
*
* Optional pointer to a DRM event to signal upon completion of the
@@ -323,7 +325,7 @@ struct drm_crtc_funcs {
*
* This is the main legacy entry point to change the modeset state on a
* CRTC. All the details of the desired configuration are passed in a
- * struct &drm_mode_set - see there for details.
+ * &struct drm_mode_set - see there for details.
*
* Drivers implementing atomic modeset should use
* drm_atomic_helper_set_config() to implement this hook.
@@ -345,8 +347,8 @@ struct drm_crtc_funcs {
* through the DRM_MODE_PAGE_FLIP_ASYNC flag). When an application
* requests a page flip the DRM core verifies that the new frame buffer
* is large enough to be scanned out by the CRTC in the currently
- * configured mode and then calls the CRTC ->page_flip() operation with a
- * pointer to the new frame buffer.
+ * configured mode and then calls this hook with a pointer to the new
+ * frame buffer.
*
* The driver must wait for any pending rendering to the new framebuffer
* to complete before executing the flip. It should also wait for any
@@ -354,7 +356,7 @@ struct drm_crtc_funcs {
* shared dma-buf.
*
* An application can request to be notified when the page flip has
- * completed. The drm core will supply a struct &drm_event in the event
+ * completed. The drm core will supply a &struct drm_event in the event
* parameter in this case. This can be handled by the
* drm_crtc_send_vblank_event() function, which the driver should call on
* the provided event upon completion of the flip. Note that if
@@ -381,7 +383,7 @@ struct drm_crtc_funcs {
* RETURNS:
*
* 0 on success or a negative error code on failure. Note that if a
- * ->page_flip() operation is already pending the callback should return
+ * page flip operation is already pending the callback should return
* -EBUSY. Pageflips on a disabled CRTC (either by setting a NULL mode
* or just runtime disabled through DPMS respectively the new atomic
* "ACTIVE" state) should result in an -EINVAL error code. Note that
@@ -433,19 +435,19 @@ struct drm_crtc_funcs {
* @atomic_duplicate_state:
*
* Duplicate the current atomic state for this CRTC and return it.
- * The core and helpers gurantee that any atomic state duplicated with
+ * The core and helpers guarantee that any atomic state duplicated with
* this hook and still owned by the caller (i.e. not transferred to the
- * driver by calling ->atomic_commit() from struct
- * &drm_mode_config_funcs) will be cleaned up by calling the
- * @atomic_destroy_state hook in this structure.
+ * driver by calling &drm_mode_config_funcs.atomic_commit) will be
+ * cleaned up by calling the @atomic_destroy_state hook in this
+ * structure.
*
- * Atomic drivers which don't subclass struct &drm_crtc should use
+ * Atomic drivers which don't subclass &struct drm_crtc_state should use
* drm_atomic_helper_crtc_duplicate_state(). Drivers that subclass the
* state structure to extend it with driver-private state should use
* __drm_atomic_helper_crtc_duplicate_state() to make sure shared state is
* duplicated in a consistent fashion across drivers.
*
- * It is an error to call this hook before crtc->state has been
+ * It is an error to call this hook before &drm_crtc.state has been
* initialized correctly.
*
* NOTE:
@@ -558,7 +560,7 @@ struct drm_crtc_funcs {
*
* This optional hook should be used to unregister the additional
* userspace interfaces attached to the crtc from
- * late_unregister(). It is called from drm_dev_unregister(),
+ * @late_register. It is called from drm_dev_unregister(),
* early in the driver unload sequence to disable userspace access
* before data structures are torndown.
*/
@@ -591,7 +593,7 @@ struct drm_crtc_funcs {
/**
* @atomic_print_state:
*
- * If driver subclasses struct &drm_crtc_state, it should implement
+ * If driver subclasses &struct drm_crtc_state, it should implement
* this optional hook for printing additional driver specific state.
*
* Do not call this directly, use drm_atomic_crtc_print_state()
@@ -639,8 +641,8 @@ struct drm_crtc {
*
* This provides a read lock for the overall crtc state (mode, dpms
* state, ...) and a write lock for everything which can be update
- * without a full modeset (fb, cursor data, crtc properties ...). Full
- * modeset also need to grab dev->mode_config.connection_mutex.
+ * without a full modeset (fb, cursor data, crtc properties ...). A full
+ * modeset also need to grab &drm_mode_config.connection_mutex.
*/
struct drm_modeset_lock mutex;
@@ -772,10 +774,8 @@ struct drm_crtc {
* @connectors: array of connectors to drive with this CRTC if possible
* @num_connectors: size of @connectors array
*
- * Represents a single crtc the connectors that it drives with what mode
- * and from which framebuffer it scans out from.
- *
- * This is used to set modes.
+ * This represents a modeset configuration for the legacy SETCRTC ioctl and is
+ * also used internally. Atomic drivers instead use &drm_atomic_state.
*/
struct drm_mode_set {
struct drm_framebuffer *fb;
@@ -824,14 +824,21 @@ static inline uint32_t drm_crtc_mask(const struct drm_crtc *crtc)
return 1 << drm_crtc_index(crtc);
}
-void drm_crtc_get_hv_timing(const struct drm_display_mode *mode,
- int *hdisplay, int *vdisplay);
int drm_crtc_force_disable(struct drm_crtc *crtc);
int drm_crtc_force_disable_all(struct drm_device *dev);
int drm_mode_set_config_internal(struct drm_mode_set *set);
+struct drm_crtc *drm_crtc_from_index(struct drm_device *dev, int idx);
-/* Helpers */
+/**
+ * drm_crtc_find - look up a CRTC object from its ID
+ * @dev: DRM device
+ * @id: &drm_mode_object ID
+ *
+ * This can be used to look up a CRTC from its userspace ID. Only used by
+ * drivers for legacy IOCTLs and interface, nowadays extensions to the KMS
+ * userspace interface should be done using &drm_property.
+ */
static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev,
uint32_t id)
{
@@ -840,21 +847,14 @@ static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev,
return mo ? obj_to_crtc(mo) : NULL;
}
+/**
+ * drm_for_each_crtc - iterate over all CRTCs
+ * @crtc: a &struct drm_crtc as the loop cursor
+ * @dev: the &struct drm_device
+ *
+ * Iterate over all CRTCs of @dev.
+ */
#define drm_for_each_crtc(crtc, dev) \
list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head)
-static inline void
-assert_drm_connector_list_read_locked(struct drm_mode_config *mode_config)
-{
- /*
- * The connector hotadd/remove code currently grabs both locks when
- * updating lists. Hence readers need only hold either of them to be
- * safe and the check amounts to
- *
- * WARN_ON(not_holding(A) && not_holding(B)).
- */
- WARN_ON(!mutex_is_locked(&mode_config->mutex) &&
- !drm_modeset_is_locked(&mode_config->connection_mutex));
-}
-
#endif /* __DRM_CRTC_H__ */
diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h
index 982c299e435a..d026f5017c33 100644
--- a/include/drm/drm_crtc_helper.h
+++ b/include/drm/drm_crtc_helper.h
@@ -73,6 +73,5 @@ extern void drm_kms_helper_hotplug_event(struct drm_device *dev);
extern void drm_kms_helper_poll_disable(struct drm_device *dev);
extern void drm_kms_helper_poll_enable(struct drm_device *dev);
-extern void drm_kms_helper_poll_enable_locked(struct drm_device *dev);
#endif
diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index 55bbeb0ff594..04681359a6f5 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -194,7 +194,8 @@
# define DP_PSR_SETUP_TIME_0 (6 << 1)
# define DP_PSR_SETUP_TIME_MASK (7 << 1)
# define DP_PSR_SETUP_TIME_SHIFT 1
-
+# define DP_PSR2_SU_Y_COORDINATE_REQUIRED (1 << 4) /* eDP 1.4a */
+# define DP_PSR2_SU_GRANULARITY_REQUIRED (1 << 5) /* eDP 1.4b */
/*
* 0x80-0x8f describe downstream port capabilities, but there are two layouts
* based on whether DP_DETAILED_CAP_INFO_AVAILABLE was set. If it was not,
@@ -568,6 +569,16 @@
#define DP_RECEIVER_ALPM_STATUS 0x200b /* eDP 1.4 */
# define DP_ALPM_LOCK_TIMEOUT_ERROR (1 << 0)
+#define DP_DPRX_FEATURE_ENUMERATION_LIST 0x2210 /* DP 1.3 */
+# define DP_GTC_CAP (1 << 0) /* DP 1.3 */
+# define DP_SST_SPLIT_SDP_CAP (1 << 1) /* DP 1.4 */
+# define DP_AV_SYNC_CAP (1 << 2) /* DP 1.3 */
+# define DP_VSC_SDP_EXT_FOR_COLORIMETRY_SUPPORTED (1 << 3) /* DP 1.3 */
+# define DP_VSC_EXT_VESA_SDP_SUPPORTED (1 << 4) /* DP 1.4 */
+# define DP_VSC_EXT_VESA_SDP_CHAINING_SUPPORTED (1 << 5) /* DP 1.4 */
+# define DP_VSC_EXT_CEA_SDP_SUPPORTED (1 << 6) /* DP 1.4 */
+# define DP_VSC_EXT_CEA_SDP_CHAINING_SUPPORTED (1 << 7) /* DP 1.4 */
+
/* DP 1.2 Sideband message defines */
/* peer device type - DP 1.2a Table 2-92 */
#define DP_PEER_DEVICE_NONE 0x0
diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h
index 003207670597..f4b4d154b98e 100644
--- a/include/drm/drm_dp_mst_helper.h
+++ b/include/drm/drm_dp_mst_helper.h
@@ -414,7 +414,7 @@ struct drm_dp_mst_topology_mgr {
/**
* @dev: device pointer for adding i2c devices etc.
*/
- struct device *dev;
+ struct drm_device *dev;
/**
* @cbs: callbacks for connector addition and destruction.
*/
@@ -493,8 +493,8 @@ struct drm_dp_mst_topology_mgr {
int total_pbn;
/**
- * @qlock: protects @tx_msg_downq, the tx_slots in struct
- * &drm_dp_mst_branch and txmsg->state once they are queued
+ * @qlock: protects @tx_msg_downq, the &drm_dp_mst_branch.txslost and
+ * &drm_dp_sideband_msg_tx.state once they are queued
*/
struct mutex qlock;
/**
@@ -508,8 +508,7 @@ struct drm_dp_mst_topology_mgr {
struct mutex payload_lock;
/**
* @proposed_vcpis: Array of pointers for the new VCPI allocation. The
- * VCPI structure itself is embedded into the corresponding
- * &drm_dp_mst_port structure.
+ * VCPI structure itself is &drm_dp_mst_port.vcpi.
*/
struct drm_dp_vcpi **proposed_vcpis;
/**
@@ -556,7 +555,10 @@ struct drm_dp_mst_topology_mgr {
struct work_struct destroy_connector_work;
};
-int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr, struct device *dev, struct drm_dp_aux *aux, int max_dpcd_transaction_bytes, int max_payloads, int conn_base_id);
+int drm_dp_mst_topology_mgr_init(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_device *dev, struct drm_dp_aux *aux,
+ int max_dpcd_transaction_bytes,
+ int max_payloads, int conn_base_id);
void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr);
diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index c4fc49583dc0..5699f42195fe 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -64,16 +64,55 @@ struct drm_mode_create_dumb;
* structure for GEM drivers.
*/
struct drm_driver {
+
+ /**
+ * @load:
+ *
+ * Backward-compatible driver callback to complete
+ * initialization steps after the driver is registered. For
+ * this reason, may suffer from race conditions and its use is
+ * deprecated for new drivers. It is therefore only supported
+ * for existing drivers not yet converted to the new scheme.
+ * See drm_dev_init() and drm_dev_register() for proper and
+ * race-free way to set up a &struct drm_device.
+ *
+ * Returns:
+ *
+ * Zero on success, non-zero value on failure.
+ */
int (*load) (struct drm_device *, unsigned long flags);
- int (*firstopen) (struct drm_device *);
int (*open) (struct drm_device *, struct drm_file *);
void (*preclose) (struct drm_device *, struct drm_file *file_priv);
void (*postclose) (struct drm_device *, struct drm_file *);
void (*lastclose) (struct drm_device *);
- int (*unload) (struct drm_device *);
- int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
- int (*dma_quiescent) (struct drm_device *);
- int (*context_dtor) (struct drm_device *dev, int context);
+
+ /**
+ * @unload:
+ *
+ * Reverse the effects of the driver load callback. Ideally,
+ * the clean up performed by the driver should happen in the
+ * reverse order of the initialization. Similarly to the load
+ * hook, this handler is deprecated and its usage should be
+ * dropped in favor of an open-coded teardown function at the
+ * driver layer. See drm_dev_unregister() and drm_dev_unref()
+ * for the proper way to remove a &struct drm_device.
+ *
+ * The unload() hook is called right after unregistering
+ * the device.
+ *
+ */
+ void (*unload) (struct drm_device *);
+
+ /**
+ * @release:
+ *
+ * Optional callback for destroying device data after the final
+ * reference is released, i.e. the device is being destroyed. Drivers
+ * using this callback are responsible for calling drm_dev_fini()
+ * to finalize the device and then freeing the struct themselves.
+ */
+ void (*release) (struct drm_device *);
+
int (*set_busid)(struct drm_device *dev, struct drm_master *master);
/**
@@ -119,20 +158,6 @@ struct drm_driver {
void (*disable_vblank) (struct drm_device *dev, unsigned int pipe);
/**
- * @device_is_agp:
- *
- * Called by drm_device_is_agp(). Typically used to determine if a card
- * is really attached to AGP or not.
- *
- * Returns:
- *
- * One of three values is returned depending on whether or not the
- * card is absolutely not AGP (return of 0), absolutely is AGP
- * (return of 1), or may or may not be AGP (return of 2).
- */
- int (*device_is_agp) (struct drm_device *dev);
-
- /**
* @get_scanout_position:
*
* Called by vblank timestamping code.
@@ -282,7 +307,7 @@ struct drm_driver {
/**
* @gem_free_object_unlocked: deconstructor for drm_gem_objects
*
- * This is for drivers which are not encumbered with dev->struct_mutex
+ * This is for drivers which are not encumbered with &drm_device.struct_mutex
* legacy locking schemes. Use this hook instead of @gem_free_object.
*/
void (*gem_free_object_unlocked) (struct drm_gem_object *obj);
@@ -327,9 +352,6 @@ struct drm_driver {
int (*gem_prime_mmap)(struct drm_gem_object *obj,
struct vm_area_struct *vma);
- /* vga arb irq handler */
- void (*vgaarb_irq)(struct drm_device *dev, bool state);
-
/**
* @dumb_create:
*
@@ -398,13 +420,20 @@ struct drm_driver {
char *date;
u32 driver_features;
- int dev_priv_size;
const struct drm_ioctl_desc *ioctls;
int num_ioctls;
const struct file_operations *fops;
+ /* Everything below here is for legacy driver, never use! */
+ /* private: */
+
/* List of devices hanging off this driver with stealth attach. */
struct list_head legacy_dev_list;
+ int (*firstopen) (struct drm_device *);
+ int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
+ int (*dma_quiescent) (struct drm_device *);
+ int (*context_dtor) (struct drm_device *dev, int context);
+ int dev_priv_size;
};
extern __printf(6, 7)
@@ -419,6 +448,8 @@ extern unsigned int drm_debug;
int drm_dev_init(struct drm_device *dev,
struct drm_driver *driver,
struct device *parent);
+void drm_dev_fini(struct drm_device *dev);
+
struct drm_device *drm_dev_alloc(struct drm_driver *driver,
struct device *parent);
int drm_dev_register(struct drm_device *dev, unsigned long flags);
diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h
index 2705a66b770b..577d5063e63d 100644
--- a/include/drm/drm_edid.h
+++ b/include/drm/drm_edid.h
@@ -24,6 +24,7 @@
#define __DRM_EDID_H__
#include <linux/types.h>
+#include <linux/hdmi.h>
struct drm_device;
struct i2c_adapter;
@@ -323,8 +324,6 @@ struct cea_sad {
struct drm_encoder;
struct drm_connector;
struct drm_display_mode;
-struct hdmi_avi_infoframe;
-struct hdmi_vendor_infoframe;
void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid);
int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads);
@@ -347,6 +346,11 @@ drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
int
drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
const struct drm_display_mode *mode);
+void
+drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
+ const struct drm_display_mode *mode,
+ enum hdmi_quantization_range rgb_quant_range,
+ bool rgb_quant_range_selectable);
/**
* drm_eld_mnl - Get ELD monitor name length in bytes.
@@ -455,6 +459,8 @@ enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code);
bool drm_detect_hdmi_monitor(struct edid *edid);
bool drm_detect_monitor_audio(struct edid *edid);
bool drm_rgb_quant_range_selectable(struct edid *edid);
+enum hdmi_quantization_range
+drm_default_rgb_quant_range(const struct drm_display_mode *mode);
int drm_add_modes_noedid(struct drm_connector *connector,
int hdisplay, int vdisplay);
void drm_set_preferred_mode(struct drm_connector *connector,
diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h
index c7438ff0d609..8d8245ec0181 100644
--- a/include/drm/drm_encoder.h
+++ b/include/drm/drm_encoder.h
@@ -25,8 +25,12 @@
#include <linux/list.h>
#include <linux/ctype.h>
+#include <drm/drm_crtc.h>
+#include <drm/drm_mode.h>
#include <drm/drm_mode_object.h>
+struct drm_encoder;
+
/**
* struct drm_encoder_funcs - encoder controls
*
@@ -71,7 +75,7 @@ struct drm_encoder_funcs {
*
* This optional hook should be used to unregister the additional
* userspace interfaces attached to the encoder from
- * late_unregister(). It is called from drm_dev_unregister(),
+ * @late_register. It is called from drm_dev_unregister(),
* early in the driver unload sequence to disable userspace access
* before data structures are torndown.
*/
@@ -188,9 +192,6 @@ static inline unsigned int drm_encoder_index(struct drm_encoder *encoder)
return encoder->index;
}
-/* FIXME: We have an include file mess still, drm_crtc.h needs untangling. */
-static inline uint32_t drm_crtc_mask(const struct drm_crtc *crtc);
-
/**
* drm_encoder_crtc_ok - can a given crtc drive a given encoder?
* @encoder: encoder to test
diff --git a/include/drm/drm_encoder_slave.h b/include/drm/drm_encoder_slave.h
index 82cdf611393d..1107b4b1c599 100644
--- a/include/drm/drm_encoder_slave.h
+++ b/include/drm/drm_encoder_slave.h
@@ -29,6 +29,7 @@
#include <drm/drmP.h>
#include <drm/drm_crtc.h>
+#include <drm/drm_encoder.h>
/**
* struct drm_encoder_slave_funcs - Entry points exposed by a slave encoder driver
diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h
index 3b00f6480b83..a5ecc0a58260 100644
--- a/include/drm/drm_fb_cma_helper.h
+++ b/include/drm/drm_fb_cma_helper.h
@@ -16,19 +16,17 @@ struct drm_plane;
struct drm_plane_state;
struct drm_fbdev_cma *drm_fbdev_cma_init_with_funcs(struct drm_device *dev,
- unsigned int preferred_bpp, unsigned int num_crtc,
- unsigned int max_conn_count, const struct drm_fb_helper_funcs *funcs);
+ unsigned int preferred_bpp, unsigned int max_conn_count,
+ const struct drm_framebuffer_funcs *funcs);
struct drm_fbdev_cma *drm_fbdev_cma_init(struct drm_device *dev,
- unsigned int preferred_bpp, unsigned int num_crtc,
- unsigned int max_conn_count);
+ unsigned int preferred_bpp, unsigned int max_conn_count);
void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma);
void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma);
void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma);
void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, int state);
-int drm_fbdev_cma_create_with_funcs(struct drm_fb_helper *helper,
- struct drm_fb_helper_surface_size *sizes,
- const struct drm_framebuffer_funcs *funcs);
+void drm_fbdev_cma_set_suspend_unlocked(struct drm_fbdev_cma *fbdev_cma,
+ int state);
void drm_fb_cma_destroy(struct drm_framebuffer *fb);
int drm_fb_cma_create_handle(struct drm_framebuffer *fb,
diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h
index 975deedd593e..6f5acebb266a 100644
--- a/include/drm/drm_fb_helper.h
+++ b/include/drm/drm_fb_helper.h
@@ -181,7 +181,7 @@ struct drm_fb_helper_connector {
*
* This is the main structure used by the fbdev helpers. Drivers supporting
* fbdev emulation should embedded this into their overall driver structure.
- * Drivers must also fill out a struct &drm_fb_helper_funcs with a few
+ * Drivers must also fill out a &struct drm_fb_helper_funcs with a few
* operations.
*/
struct drm_fb_helper {
@@ -236,8 +236,7 @@ struct drm_fb_helper {
void drm_fb_helper_prepare(struct drm_device *dev, struct drm_fb_helper *helper,
const struct drm_fb_helper_funcs *funcs);
int drm_fb_helper_init(struct drm_device *dev,
- struct drm_fb_helper *helper, int crtc_count,
- int max_conn);
+ struct drm_fb_helper *helper, int max_conn);
void drm_fb_helper_fini(struct drm_fb_helper *helper);
int drm_fb_helper_blank(int blank, struct fb_info *info);
int drm_fb_helper_pan_display(struct fb_var_screeninfo *var,
@@ -295,8 +294,7 @@ struct drm_display_mode *
drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector,
int width, int height);
struct drm_display_mode *
-drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn,
- int width, int height);
+drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn);
int drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, struct drm_connector *connector);
int drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper,
@@ -309,7 +307,7 @@ static inline void drm_fb_helper_prepare(struct drm_device *dev,
}
static inline int drm_fb_helper_init(struct drm_device *dev,
- struct drm_fb_helper *helper, int crtc_count,
+ struct drm_fb_helper *helper,
int max_conn)
{
return 0;
diff --git a/include/drm/drm_flip_work.h b/include/drm/drm_flip_work.h
index d387cf06ae05..21c3d512d25c 100644
--- a/include/drm/drm_flip_work.h
+++ b/include/drm/drm_flip_work.h
@@ -54,7 +54,7 @@ typedef void (*drm_flip_func_t)(struct drm_flip_work *work, void *val);
/**
* struct drm_flip_task - flip work task
* @node: list entry element
- * @data: data to pass to work->func
+ * @data: data to pass to &drm_flip_work.func
*/
struct drm_flip_task {
struct list_head node;
diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h
index a232e7f0c869..dd1e3e99dcff 100644
--- a/include/drm/drm_framebuffer.h
+++ b/include/drm/drm_framebuffer.h
@@ -40,8 +40,8 @@ struct drm_framebuffer_funcs {
*
* Clean up framebuffer resources, specifically also unreference the
* backing storage. The core guarantees to call this function for every
- * framebuffer successfully created by ->fb_create() in
- * &drm_mode_config_funcs. Drivers must also call
+ * framebuffer successfully created by calling
+ * &drm_mode_config_funcs.fb_create. Drivers must also call
* drm_framebuffer_cleanup() to release DRM core resources for this
* framebuffer.
*/
@@ -51,7 +51,7 @@ struct drm_framebuffer_funcs {
* @create_handle:
*
* Create a buffer handle in the driver-specific buffer manager (either
- * GEM or TTM) valid for the passed-in struct &drm_file. This is used by
+ * GEM or TTM) valid for the passed-in &struct drm_file. This is used by
* the core to implement the GETFB IOCTL, which returns (for
* sufficiently priviledged user) also a native buffer handle. This can
* be used for seamless transitions between modesetting clients by
@@ -112,8 +112,8 @@ struct drm_framebuffer {
*/
struct drm_device *dev;
/**
- * @head: Place on the dev->mode_config.fb_list, access protected by
- * dev->mode_config.fb_lock.
+ * @head: Place on the &drm_mode_config.fb_list, access protected by
+ * &drm_mode_config.fb_lock.
*/
struct list_head head;
@@ -122,6 +122,10 @@ struct drm_framebuffer {
*/
struct drm_mode_object base;
/**
+ * @format: framebuffer format information
+ */
+ const struct drm_format_info *format;
+ /**
* @funcs: framebuffer vfunc table
*/
const struct drm_framebuffer_funcs *funcs;
@@ -145,7 +149,7 @@ struct drm_framebuffer {
*
* This should not be used to specifiy x/y pixel offsets into the buffer
* data (even for linear buffers). Specifying an x/y pixel offset is
- * instead done through the source rectangle in struct &drm_plane_state.
+ * instead done through the source rectangle in &struct drm_plane_state.
*/
unsigned int offsets[4];
/**
@@ -166,28 +170,11 @@ struct drm_framebuffer {
*/
unsigned int height;
/**
- * @depth: Depth in bits per pixel for RGB formats. 0 for everything
- * else. Legacy information derived from @pixel_format, it's suggested to use
- * the DRM FOURCC codes and helper functions directly instead.
- */
- unsigned int depth;
- /**
- * @bits_per_pixel: Storage used bits per pixel for RGB formats. 0 for
- * everything else. Legacy information derived from @pixel_format, it's
- * suggested to use the DRM FOURCC codes and helper functions directly
- * instead.
- */
- int bits_per_pixel;
- /**
* @flags: Framebuffer flags like DRM_MODE_FB_INTERLACED or
* DRM_MODE_FB_MODIFIERS.
*/
int flags;
/**
- * @pixel_format: DRM FOURCC code describing the pixel format.
- */
- uint32_t pixel_format; /* fourcc format */
- /**
* @hot_x: X coordinate of the cursor hotspot. Used by the legacy cursor
* IOCTL when the driver supports cursor through a DRM_PLANE_TYPE_CURSOR
* universal plane.
@@ -200,8 +187,7 @@ struct drm_framebuffer {
*/
int hot_y;
/**
- * @filp_head: Placed on struct &drm_file fbs list_head, protected by
- * fbs_lock in the same structure.
+ * @filp_head: Placed on &drm_file.fbs, protected by &drm_file.fbs_lock.
*/
struct list_head filp_head;
};
@@ -273,8 +259,8 @@ static inline void drm_framebuffer_assign(struct drm_framebuffer **p,
* @fb: the loop cursor
* @dev: the DRM device
*
- * Iterate over all framebuffers of @dev. User must hold the fb_lock from
- * &drm_mode_config.
+ * Iterate over all framebuffers of @dev. User must hold
+ * &drm_mode_config.fb_lock.
*/
#define drm_for_each_fb(fb, dev) \
for (WARN_ON(!mutex_is_locked(&(dev)->mode_config.fb_lock)), \
@@ -282,4 +268,10 @@ static inline void drm_framebuffer_assign(struct drm_framebuffer **p,
struct drm_framebuffer, head); \
&fb->head != (&(dev)->mode_config.fb_list); \
fb = list_next_entry(fb, head))
+
+int drm_framebuffer_plane_width(int width,
+ const struct drm_framebuffer *fb, int plane);
+int drm_framebuffer_plane_height(int height,
+ const struct drm_framebuffer *fb, int plane);
+
#endif
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 9f63736e6163..449a41b56ffc 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -63,7 +63,7 @@ struct drm_gem_object {
* drops to 0 any global names (e.g. the id in the flink namespace) will
* be cleared.
*
- * Protected by dev->object_name_lock.
+ * Protected by &drm_device.object_name_lock.
*/
unsigned handle_count;
@@ -106,8 +106,8 @@ struct drm_gem_object {
* @name:
*
* Global name for this object, starts at 1. 0 means unnamed.
- * Access is covered by dev->object_name_lock. This is used by the GEM_FLINK
- * and GEM_OPEN ioctls.
+ * Access is covered by &drm_device.object_name_lock. This is used by
+ * the GEM_FLINK and GEM_OPEN ioctls.
*/
int name;
@@ -150,7 +150,7 @@ struct drm_gem_object {
* through importing or exporting). We break the resulting reference
* loop when the last gem handle for this object is released.
*
- * Protected by obj->object_name_lock.
+ * Protected by &drm_device.object_name_lock.
*/
struct dma_buf *dma_buf;
@@ -163,7 +163,7 @@ struct drm_gem_object {
* attachment point for the device. This is invariant over the lifetime
* of a gem object.
*
- * The driver's ->gem_free_object callback is responsible for cleaning
+ * The &drm_driver.gem_free_object callback is responsible for cleaning
* up the dma_buf attachment and references acquired at import time.
*
* Note that the drm gem/prime core does not depend upon drivers setting
@@ -204,7 +204,7 @@ drm_gem_object_reference(struct drm_gem_object *obj)
* @obj: GEM buffer object
*
* This function is meant to be used by drivers which are not encumbered with
- * dev->struct_mutex legacy locking and which are using the
+ * &drm_device.struct_mutex legacy locking and which are using the
* gem_free_object_unlocked callback. It avoids all the locking checks and
* locking overhead of drm_gem_object_unreference() and
* drm_gem_object_unreference_unlocked().
@@ -212,8 +212,8 @@ drm_gem_object_reference(struct drm_gem_object *obj)
* Drivers should never call this directly in their code. Instead they should
* wrap it up into a ``driver_gem_object_unreference(struct driver_gem_object
* *obj)`` wrapper function, and use that. Shared code should never call this, to
- * avoid breaking drivers by accident which still depend upon dev->struct_mutex
- * locking.
+ * avoid breaking drivers by accident which still depend upon
+ * &drm_device.struct_mutex locking.
*/
static inline void
__drm_gem_object_unreference(struct drm_gem_object *obj)
diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h
index acd6af8a8e67..2abcd5190cc1 100644
--- a/include/drm/drm_gem_cma_helper.h
+++ b/include/drm/drm_gem_cma_helper.h
@@ -53,6 +53,23 @@ struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
extern const struct vm_operations_struct drm_gem_cma_vm_ops;
+#ifndef CONFIG_MMU
+unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
+ unsigned long addr,
+ unsigned long len,
+ unsigned long pgoff,
+ unsigned long flags);
+#else
+static inline unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
+ unsigned long addr,
+ unsigned long len,
+ unsigned long pgoff,
+ unsigned long flags)
+{
+ return -EINVAL;
+}
+#endif
+
#ifdef CONFIG_DEBUG_FS
void drm_gem_cma_describe(struct drm_gem_cma_object *obj, struct seq_file *m);
#endif
diff --git a/include/drm/drm_irq.h b/include/drm/drm_irq.h
index 293d08caab60..2fb880462a57 100644
--- a/include/drm/drm_irq.h
+++ b/include/drm/drm_irq.h
@@ -51,8 +51,8 @@ struct drm_pending_vblank_event {
*
* Note that for historical reasons - the vblank handling code is still shared
* with legacy/non-kms drivers - this is a free-standing structure not directly
- * connected to struct &drm_crtc. But all public interface functions are taking
- * a struct &drm_crtc to hide this implementation detail.
+ * connected to &struct drm_crtc. But all public interface functions are taking
+ * a &struct drm_crtc to hide this implementation detail.
*/
struct drm_vblank_crtc {
/**
@@ -67,7 +67,7 @@ struct drm_vblank_crtc {
* @disable_timer: Disable timer for the delayed vblank disabling
* hysteresis logic. Vblank disabling is controlled through the
* drm_vblank_offdelay module option and the setting of the
- * max_vblank_count value in the &drm_device structure.
+ * &drm_device.max_vblank_count value.
*/
struct timer_list disable_timer;
@@ -92,7 +92,7 @@ struct drm_vblank_crtc {
*/
atomic_t refcount; /* number of users of vblank interruptsper crtc */
/**
- * @last: Protected by dev->vbl_lock, used for wraparound handling.
+ * @last: Protected by &drm_device.vbl_lock, used for wraparound handling.
*/
u32 last;
/**
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 0b8371795aeb..d81b0ba9921f 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -1,6 +1,7 @@
/**************************************************************************
*
* Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX. USA.
+ * Copyright 2016 Intel Corporation
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
@@ -41,48 +42,129 @@
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/spinlock.h>
-#ifdef CONFIG_DEBUG_FS
-#include <linux/seq_file.h>
-#endif
#ifdef CONFIG_DRM_DEBUG_MM
#include <linux/stackdepot.h>
#endif
+#include <drm/drm_print.h>
-enum drm_mm_search_flags {
- DRM_MM_SEARCH_DEFAULT = 0,
- DRM_MM_SEARCH_BEST = 1 << 0,
- DRM_MM_SEARCH_BELOW = 1 << 1,
-};
+#ifdef CONFIG_DRM_DEBUG_MM
+#define DRM_MM_BUG_ON(expr) BUG_ON(expr)
+#else
+#define DRM_MM_BUG_ON(expr) BUILD_BUG_ON_INVALID(expr)
+#endif
-enum drm_mm_allocator_flags {
- DRM_MM_CREATE_DEFAULT = 0,
- DRM_MM_CREATE_TOP = 1 << 0,
-};
+/**
+ * enum drm_mm_insert_mode - control search and allocation behaviour
+ *
+ * The &struct drm_mm range manager supports finding a suitable modes using
+ * a number of search trees. These trees are oranised by size, by address and
+ * in most recent eviction order. This allows the user to find either the
+ * smallest hole to reuse, the lowest or highest address to reuse, or simply
+ * reuse the most recent eviction that fits. When allocating the &drm_mm_node
+ * from within the hole, the &drm_mm_insert_mode also dictate whether to
+ * allocate the lowest matching address or the highest.
+ */
+enum drm_mm_insert_mode {
+ /**
+ * @DRM_MM_INSERT_BEST:
+ *
+ * Search for the smallest hole (within the search range) that fits
+ * the desired node.
+ *
+ * Allocates the node from the bottom of the found hole.
+ */
+ DRM_MM_INSERT_BEST = 0,
+
+ /**
+ * @DRM_MM_INSERT_LOW:
+ *
+ * Search for the lowest hole (address closest to 0, within the search
+ * range) that fits the desired node.
+ *
+ * Allocates the node from the bottom of the found hole.
+ */
+ DRM_MM_INSERT_LOW,
-#define DRM_MM_BOTTOMUP DRM_MM_SEARCH_DEFAULT, DRM_MM_CREATE_DEFAULT
-#define DRM_MM_TOPDOWN DRM_MM_SEARCH_BELOW, DRM_MM_CREATE_TOP
+ /**
+ * @DRM_MM_INSERT_HIGH:
+ *
+ * Search for the highest hole (address closest to U64_MAX, within the
+ * search range) that fits the desired node.
+ *
+ * Allocates the node from the *top* of the found hole. The specified
+ * alignment for the node is applied to the base of the node
+ * (&drm_mm_node.start).
+ */
+ DRM_MM_INSERT_HIGH,
+ /**
+ * @DRM_MM_INSERT_EVICT:
+ *
+ * Search for the most recently evicted hole (within the search range)
+ * that fits the desired node. This is appropriate for use immediately
+ * after performing an eviction scan (see drm_mm_scan_init()) and
+ * removing the selected nodes to form a hole.
+ *
+ * Allocates the node from the bottom of the found hole.
+ */
+ DRM_MM_INSERT_EVICT,
+};
+
+/**
+ * struct drm_mm_node - allocated block in the DRM allocator
+ *
+ * This represents an allocated block in a &drm_mm allocator. Except for
+ * pre-reserved nodes inserted using drm_mm_reserve_node() the structure is
+ * entirely opaque and should only be accessed through the provided funcions.
+ * Since allocation of these nodes is entirely handled by the driver they can be
+ * embedded.
+ */
struct drm_mm_node {
- struct list_head node_list;
- struct list_head hole_stack;
- struct rb_node rb;
- unsigned hole_follows : 1;
- unsigned scanned_block : 1;
- unsigned scanned_prev_free : 1;
- unsigned scanned_next_free : 1;
- unsigned scanned_preceeds_hole : 1;
- unsigned allocated : 1;
+ /** @color: Opaque driver-private tag. */
unsigned long color;
+ /** @start: Start address of the allocated block. */
u64 start;
+ /** @size: Size of the allocated block. */
u64 size;
- u64 __subtree_last;
+ /* private: */
struct drm_mm *mm;
+ struct list_head node_list;
+ struct list_head hole_stack;
+ struct rb_node rb;
+ struct rb_node rb_hole_size;
+ struct rb_node rb_hole_addr;
+ u64 __subtree_last;
+ u64 hole_size;
+ bool allocated : 1;
+ bool scanned_block : 1;
#ifdef CONFIG_DRM_DEBUG_MM
depot_stack_handle_t stack;
#endif
};
+/**
+ * struct drm_mm - DRM allocator
+ *
+ * DRM range allocator with a few special functions and features geared towards
+ * managing GPU memory. Except for the @color_adjust callback the structure is
+ * entirely opaque and should only be accessed through the provided functions
+ * and macros. This structure can be embedded into larger driver structures.
+ */
struct drm_mm {
+ /**
+ * @color_adjust:
+ *
+ * Optional driver callback to further apply restrictions on a hole. The
+ * node argument points at the node containing the hole from which the
+ * block would be allocated (see drm_mm_hole_follows() and friends). The
+ * other arguments are the size of the block to be allocated. The driver
+ * can adjust the start and end as needed to e.g. insert guard pages.
+ */
+ void (*color_adjust)(const struct drm_mm_node *node,
+ unsigned long color,
+ u64 *start, u64 *end);
+
+ /* private: */
/* List of all memory nodes that immediately precede a free hole. */
struct list_head hole_stack;
/* head_node.node_list is the list of all memory nodes, ordered
@@ -90,33 +172,53 @@ struct drm_mm {
struct drm_mm_node head_node;
/* Keep an interval_tree for fast lookup of drm_mm_nodes by address. */
struct rb_root interval_tree;
+ struct rb_root holes_size;
+ struct rb_root holes_addr;
- unsigned int scan_check_range : 1;
- unsigned scan_alignment;
- unsigned long scan_color;
- u64 scan_size;
- u64 scan_hit_start;
- u64 scan_hit_end;
- unsigned scanned_blocks;
- u64 scan_start;
- u64 scan_end;
- struct drm_mm_node *prev_scanned_node;
-
- void (*color_adjust)(struct drm_mm_node *node, unsigned long color,
- u64 *start, u64 *end);
+ unsigned long scan_active;
+};
+
+/**
+ * struct drm_mm_scan - DRM allocator eviction roaster data
+ *
+ * This structure tracks data needed for the eviction roaster set up using
+ * drm_mm_scan_init(), and used with drm_mm_scan_add_block() and
+ * drm_mm_scan_remove_block(). The structure is entirely opaque and should only
+ * be accessed through the provided functions and macros. It is meant to be
+ * allocated temporarily by the driver on the stack.
+ */
+struct drm_mm_scan {
+ /* private: */
+ struct drm_mm *mm;
+
+ u64 size;
+ u64 alignment;
+ u64 remainder_mask;
+
+ u64 range_start;
+ u64 range_end;
+
+ u64 hit_start;
+ u64 hit_end;
+
+ unsigned long color;
+ enum drm_mm_insert_mode mode;
};
/**
* drm_mm_node_allocated - checks whether a node is allocated
* @node: drm_mm_node to check
*
- * Drivers should use this helpers for proper encapusulation of drm_mm
+ * Drivers are required to clear a node prior to using it with the
+ * drm_mm range manager.
+ *
+ * Drivers should use this helper for proper encapsulation of drm_mm
* internals.
*
* Returns:
* True if the @node is allocated.
*/
-static inline bool drm_mm_node_allocated(struct drm_mm_node *node)
+static inline bool drm_mm_node_allocated(const struct drm_mm_node *node)
{
return node->allocated;
}
@@ -125,18 +227,38 @@ static inline bool drm_mm_node_allocated(struct drm_mm_node *node)
* drm_mm_initialized - checks whether an allocator is initialized
* @mm: drm_mm to check
*
- * Drivers should use this helpers for proper encapusulation of drm_mm
+ * Drivers should clear the struct drm_mm prior to initialisation if they
+ * want to use this function.
+ *
+ * Drivers should use this helper for proper encapsulation of drm_mm
* internals.
*
* Returns:
* True if the @mm is initialized.
*/
-static inline bool drm_mm_initialized(struct drm_mm *mm)
+static inline bool drm_mm_initialized(const struct drm_mm *mm)
{
return mm->hole_stack.next;
}
-static inline u64 __drm_mm_hole_node_start(struct drm_mm_node *hole_node)
+/**
+ * drm_mm_hole_follows - checks whether a hole follows this node
+ * @node: drm_mm_node to check
+ *
+ * Holes are embedded into the drm_mm using the tail of a drm_mm_node.
+ * If you wish to know whether a hole follows this particular node,
+ * query this function. See also drm_mm_hole_node_start() and
+ * drm_mm_hole_node_end().
+ *
+ * Returns:
+ * True if a hole follows the @node.
+ */
+static inline bool drm_mm_hole_follows(const struct drm_mm_node *node)
+{
+ return node->hole_size;
+}
+
+static inline u64 __drm_mm_hole_node_start(const struct drm_mm_node *hole_node)
{
return hole_node->start + hole_node->size;
}
@@ -145,20 +267,20 @@ static inline u64 __drm_mm_hole_node_start(struct drm_mm_node *hole_node)
* drm_mm_hole_node_start - computes the start of the hole following @node
* @hole_node: drm_mm_node which implicitly tracks the following hole
*
- * This is useful for driver-sepific debug dumpers. Otherwise drivers should not
- * inspect holes themselves. Drivers must check first whether a hole indeed
- * follows by looking at node->hole_follows.
+ * This is useful for driver-specific debug dumpers. Otherwise drivers should
+ * not inspect holes themselves. Drivers must check first whether a hole indeed
+ * follows by looking at drm_mm_hole_follows()
*
* Returns:
* Start of the subsequent hole.
*/
-static inline u64 drm_mm_hole_node_start(struct drm_mm_node *hole_node)
+static inline u64 drm_mm_hole_node_start(const struct drm_mm_node *hole_node)
{
- BUG_ON(!hole_node->hole_follows);
+ DRM_MM_BUG_ON(!drm_mm_hole_follows(hole_node));
return __drm_mm_hole_node_start(hole_node);
}
-static inline u64 __drm_mm_hole_node_end(struct drm_mm_node *hole_node)
+static inline u64 __drm_mm_hole_node_end(const struct drm_mm_node *hole_node)
{
return list_next_entry(hole_node, node_list)->start;
}
@@ -167,148 +289,162 @@ static inline u64 __drm_mm_hole_node_end(struct drm_mm_node *hole_node)
* drm_mm_hole_node_end - computes the end of the hole following @node
* @hole_node: drm_mm_node which implicitly tracks the following hole
*
- * This is useful for driver-sepific debug dumpers. Otherwise drivers should not
- * inspect holes themselves. Drivers must check first whether a hole indeed
- * follows by looking at node->hole_follows.
+ * This is useful for driver-specific debug dumpers. Otherwise drivers should
+ * not inspect holes themselves. Drivers must check first whether a hole indeed
+ * follows by looking at drm_mm_hole_follows().
*
* Returns:
* End of the subsequent hole.
*/
-static inline u64 drm_mm_hole_node_end(struct drm_mm_node *hole_node)
+static inline u64 drm_mm_hole_node_end(const struct drm_mm_node *hole_node)
{
return __drm_mm_hole_node_end(hole_node);
}
/**
+ * drm_mm_nodes - list of nodes under the drm_mm range manager
+ * @mm: the struct drm_mm range manger
+ *
+ * As the drm_mm range manager hides its node_list deep with its
+ * structure, extracting it looks painful and repetitive. This is
+ * not expected to be used outside of the drm_mm_for_each_node()
+ * macros and similar internal functions.
+ *
+ * Returns:
+ * The node list, may be empty.
+ */
+#define drm_mm_nodes(mm) (&(mm)->head_node.node_list)
+
+/**
* drm_mm_for_each_node - iterator to walk over all allocated nodes
- * @entry: drm_mm_node structure to assign to in each iteration step
- * @mm: drm_mm allocator to walk
+ * @entry: &struct drm_mm_node to assign to in each iteration step
+ * @mm: &drm_mm allocator to walk
*
* This iterator walks over all nodes in the range allocator. It is implemented
- * with list_for_each, so not save against removal of elements.
+ * with list_for_each(), so not save against removal of elements.
*/
-#define drm_mm_for_each_node(entry, mm) list_for_each_entry(entry, \
- &(mm)->head_node.node_list, \
- node_list)
-
-#define __drm_mm_for_each_hole(entry, mm, hole_start, hole_end, backwards) \
- for (entry = list_entry((backwards) ? (mm)->hole_stack.prev : (mm)->hole_stack.next, struct drm_mm_node, hole_stack); \
- &entry->hole_stack != &(mm)->hole_stack ? \
- hole_start = drm_mm_hole_node_start(entry), \
- hole_end = drm_mm_hole_node_end(entry), \
- 1 : 0; \
- entry = list_entry((backwards) ? entry->hole_stack.prev : entry->hole_stack.next, struct drm_mm_node, hole_stack))
+#define drm_mm_for_each_node(entry, mm) \
+ list_for_each_entry(entry, drm_mm_nodes(mm), node_list)
+
+/**
+ * drm_mm_for_each_node_safe - iterator to walk over all allocated nodes
+ * @entry: &struct drm_mm_node to assign to in each iteration step
+ * @next: &struct drm_mm_node to store the next step
+ * @mm: &drm_mm allocator to walk
+ *
+ * This iterator walks over all nodes in the range allocator. It is implemented
+ * with list_for_each_safe(), so save against removal of elements.
+ */
+#define drm_mm_for_each_node_safe(entry, next, mm) \
+ list_for_each_entry_safe(entry, next, drm_mm_nodes(mm), node_list)
/**
* drm_mm_for_each_hole - iterator to walk over all holes
- * @entry: drm_mm_node used internally to track progress
- * @mm: drm_mm allocator to walk
+ * @pos: &drm_mm_node used internally to track progress
+ * @mm: &drm_mm allocator to walk
* @hole_start: ulong variable to assign the hole start to on each iteration
* @hole_end: ulong variable to assign the hole end to on each iteration
*
* This iterator walks over all holes in the range allocator. It is implemented
- * with list_for_each, so not save against removal of elements. @entry is used
+ * with list_for_each(), so not save against removal of elements. @entry is used
* internally and will not reflect a real drm_mm_node for the very first hole.
* Hence users of this iterator may not access it.
*
* Implementation Note:
* We need to inline list_for_each_entry in order to be able to set hole_start
* and hole_end on each iteration while keeping the macro sane.
- *
- * The __drm_mm_for_each_hole version is similar, but with added support for
- * going backwards.
*/
-#define drm_mm_for_each_hole(entry, mm, hole_start, hole_end) \
- __drm_mm_for_each_hole(entry, mm, hole_start, hole_end, 0)
+#define drm_mm_for_each_hole(pos, mm, hole_start, hole_end) \
+ for (pos = list_first_entry(&(mm)->hole_stack, \
+ typeof(*pos), hole_stack); \
+ &pos->hole_stack != &(mm)->hole_stack ? \
+ hole_start = drm_mm_hole_node_start(pos), \
+ hole_end = hole_start + pos->hole_size, \
+ 1 : 0; \
+ pos = list_next_entry(pos, hole_stack))
/*
* Basic range manager support (drm_mm.c)
*/
int drm_mm_reserve_node(struct drm_mm *mm, struct drm_mm_node *node);
+int drm_mm_insert_node_in_range(struct drm_mm *mm,
+ struct drm_mm_node *node,
+ u64 size,
+ u64 alignment,
+ unsigned long color,
+ u64 start,
+ u64 end,
+ enum drm_mm_insert_mode mode);
-int drm_mm_insert_node_generic(struct drm_mm *mm,
- struct drm_mm_node *node,
- u64 size,
- unsigned alignment,
- unsigned long color,
- enum drm_mm_search_flags sflags,
- enum drm_mm_allocator_flags aflags);
/**
- * drm_mm_insert_node - search for space and insert @node
+ * drm_mm_insert_node_generic - search for space and insert @node
* @mm: drm_mm to allocate from
* @node: preallocate node to insert
* @size: size of the allocation
* @alignment: alignment of the allocation
- * @flags: flags to fine-tune the allocation
+ * @color: opaque tag value to use for this node
+ * @mode: fine-tune the allocation search and placement
*
- * This is a simplified version of drm_mm_insert_node_generic() with @color set
- * to 0.
+ * This is a simplified version of drm_mm_insert_node_in_range_generic() with no
+ * range restrictions applied.
*
* The preallocated node must be cleared to 0.
*
* Returns:
* 0 on success, -ENOSPC if there's no suitable hole.
*/
-static inline int drm_mm_insert_node(struct drm_mm *mm,
- struct drm_mm_node *node,
- u64 size,
- unsigned alignment,
- enum drm_mm_search_flags flags)
+static inline int
+drm_mm_insert_node_generic(struct drm_mm *mm, struct drm_mm_node *node,
+ u64 size, u64 alignment,
+ unsigned long color,
+ enum drm_mm_insert_mode mode)
{
- return drm_mm_insert_node_generic(mm, node, size, alignment, 0, flags,
- DRM_MM_CREATE_DEFAULT);
+ return drm_mm_insert_node_in_range(mm, node,
+ size, alignment, color,
+ 0, U64_MAX, mode);
}
-int drm_mm_insert_node_in_range_generic(struct drm_mm *mm,
- struct drm_mm_node *node,
- u64 size,
- unsigned alignment,
- unsigned long color,
- u64 start,
- u64 end,
- enum drm_mm_search_flags sflags,
- enum drm_mm_allocator_flags aflags);
/**
- * drm_mm_insert_node_in_range - ranged search for space and insert @node
+ * drm_mm_insert_node - search for space and insert @node
* @mm: drm_mm to allocate from
* @node: preallocate node to insert
* @size: size of the allocation
- * @alignment: alignment of the allocation
- * @start: start of the allowed range for this node
- * @end: end of the allowed range for this node
- * @flags: flags to fine-tune the allocation
*
- * This is a simplified version of drm_mm_insert_node_in_range_generic() with
- * @color set to 0.
+ * This is a simplified version of drm_mm_insert_node_generic() with @color set
+ * to 0.
*
* The preallocated node must be cleared to 0.
*
* Returns:
* 0 on success, -ENOSPC if there's no suitable hole.
*/
-static inline int drm_mm_insert_node_in_range(struct drm_mm *mm,
- struct drm_mm_node *node,
- u64 size,
- unsigned alignment,
- u64 start,
- u64 end,
- enum drm_mm_search_flags flags)
+static inline int drm_mm_insert_node(struct drm_mm *mm,
+ struct drm_mm_node *node,
+ u64 size)
{
- return drm_mm_insert_node_in_range_generic(mm, node, size, alignment,
- 0, start, end, flags,
- DRM_MM_CREATE_DEFAULT);
+ return drm_mm_insert_node_generic(mm, node, size, 0, 0, 0);
}
void drm_mm_remove_node(struct drm_mm_node *node);
void drm_mm_replace_node(struct drm_mm_node *old, struct drm_mm_node *new);
-void drm_mm_init(struct drm_mm *mm,
- u64 start,
- u64 size);
+void drm_mm_init(struct drm_mm *mm, u64 start, u64 size);
void drm_mm_takedown(struct drm_mm *mm);
-bool drm_mm_clean(struct drm_mm *mm);
+
+/**
+ * drm_mm_clean - checks whether an allocator is clean
+ * @mm: drm_mm allocator to check
+ *
+ * Returns:
+ * True if the allocator is completely free, false if there's still a node
+ * allocated in it.
+ */
+static inline bool drm_mm_clean(const struct drm_mm *mm)
+{
+ return list_empty(drm_mm_nodes(mm));
+}
struct drm_mm_node *
-__drm_mm_interval_first(struct drm_mm *mm, u64 start, u64 last);
+__drm_mm_interval_first(const struct drm_mm *mm, u64 start, u64 last);
/**
* drm_mm_for_each_node_in_range - iterator to walk over a range of
@@ -329,22 +465,49 @@ __drm_mm_interval_first(struct drm_mm *mm, u64 start, u64 last);
node__ && node__->start < (end__); \
node__ = list_next_entry(node__, node_list))
-void drm_mm_init_scan(struct drm_mm *mm,
- u64 size,
- unsigned alignment,
- unsigned long color);
-void drm_mm_init_scan_with_range(struct drm_mm *mm,
- u64 size,
- unsigned alignment,
- unsigned long color,
- u64 start,
- u64 end);
-bool drm_mm_scan_add_block(struct drm_mm_node *node);
-bool drm_mm_scan_remove_block(struct drm_mm_node *node);
-
-void drm_mm_debug_table(struct drm_mm *mm, const char *prefix);
-#ifdef CONFIG_DEBUG_FS
-int drm_mm_dump_table(struct seq_file *m, struct drm_mm *mm);
-#endif
+void drm_mm_scan_init_with_range(struct drm_mm_scan *scan,
+ struct drm_mm *mm,
+ u64 size, u64 alignment, unsigned long color,
+ u64 start, u64 end,
+ enum drm_mm_insert_mode mode);
+
+/**
+ * drm_mm_scan_init - initialize lru scanning
+ * @scan: scan state
+ * @mm: drm_mm to scan
+ * @size: size of the allocation
+ * @alignment: alignment of the allocation
+ * @color: opaque tag value to use for the allocation
+ * @mode: fine-tune the allocation search and placement
+ *
+ * This is a simplified version of drm_mm_scan_init_with_range() with no range
+ * restrictions applied.
+ *
+ * This simply sets up the scanning routines with the parameters for the desired
+ * hole.
+ *
+ * Warning:
+ * As long as the scan list is non-empty, no other operations than
+ * adding/removing nodes to/from the scan list are allowed.
+ */
+static inline void drm_mm_scan_init(struct drm_mm_scan *scan,
+ struct drm_mm *mm,
+ u64 size,
+ u64 alignment,
+ unsigned long color,
+ enum drm_mm_insert_mode mode)
+{
+ drm_mm_scan_init_with_range(scan, mm,
+ size, alignment, color,
+ 0, U64_MAX, mode);
+}
+
+bool drm_mm_scan_add_block(struct drm_mm_scan *scan,
+ struct drm_mm_node *node);
+bool drm_mm_scan_remove_block(struct drm_mm_scan *scan,
+ struct drm_mm_node *node);
+struct drm_mm_node *drm_mm_scan_color_evict(struct drm_mm_scan *scan);
+
+void drm_mm_print(const struct drm_mm *mm, struct drm_printer *p);
#endif
diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h
index 137432386310..26ff46ab26fb 100644
--- a/include/drm/drm_mode_config.h
+++ b/include/drm/drm_mode_config.h
@@ -47,7 +47,7 @@ struct drm_mode_config_funcs {
*
* Create a new framebuffer object. The core does basic checks on the
* requested metadata, but most of that is left to the driver. See
- * struct &drm_mode_fb_cmd2 for details.
+ * &struct drm_mode_fb_cmd2 for details.
*
* If the parameters are deemed valid and the backing storage objects in
* the underlying memory manager all exist, then the driver allocates
@@ -132,10 +132,10 @@ struct drm_mode_config_funcs {
* that before calling this hook.
*
* See the documentation of @atomic_commit for an exhaustive list of
- * error conditions which don't have to be checked at the
- * ->atomic_check() stage?
+ * error conditions which don't have to be checked at the in this
+ * callback.
*
- * See the documentation for struct &drm_atomic_state for how exactly
+ * See the documentation for &struct drm_atomic_state for how exactly
* an atomic modeset update is described.
*
* Drivers using the atomic helpers can implement this hook using
@@ -171,7 +171,7 @@ struct drm_mode_config_funcs {
* calling this function, and that nothing has been changed in the
* interim.
*
- * See the documentation for struct &drm_atomic_state for how exactly
+ * See the documentation for &struct drm_atomic_state for how exactly
* an atomic modeset update is described.
*
* Drivers using the atomic helpers can implement this hook using
@@ -198,10 +198,10 @@ struct drm_mode_config_funcs {
* completed. These events are per-CRTC and can be distinguished by the
* CRTC index supplied in &drm_event to userspace.
*
- * The drm core will supply a struct &drm_event in the event
- * member of each CRTC's &drm_crtc_state structure. See the
- * documentation for &drm_crtc_state for more details about the precise
- * semantics of this event.
+ * The drm core will supply a &struct drm_event in each CRTC's
+ * &drm_crtc_state.event. See the documentation for
+ * &drm_crtc_state.event for more details about the precise semantics of
+ * this event.
*
* NOTE:
*
@@ -365,7 +365,13 @@ struct drm_mode_config {
struct list_head fb_list;
/**
- * @num_connector: Number of connectors on this device.
+ * @connector_list_lock: Protects @num_connector and
+ * @connector_list.
+ */
+ spinlock_t connector_list_lock;
+ /**
+ * @num_connector: Number of connectors on this device. Protected by
+ * @connector_list_lock.
*/
int num_connector;
/**
@@ -373,7 +379,9 @@ struct drm_mode_config {
*/
struct ida connector_ida;
/**
- * @connector_list: List of connector objects.
+ * @connector_list: List of connector objects. Protected by
+ * @connector_list_lock. Only use drm_for_each_connector_iter() and
+ * &struct drm_connector_list_iter to walk this list.
*/
struct list_head connector_list;
int num_encoder;
diff --git a/include/drm/drm_mode_object.h b/include/drm/drm_mode_object.h
index 43460b21d112..2c017adf6d74 100644
--- a/include/drm/drm_mode_object.h
+++ b/include/drm/drm_mode_object.h
@@ -86,10 +86,15 @@ struct drm_object_properties {
*
* Note that atomic drivers do not store mutable properties in this
* array, but only the decoded values in the corresponding state
- * structure. The decoding is done using the ->atomic_get_property and
- * ->atomic_set_property hooks of the corresponding object. Hence atomic
- * drivers should not use drm_object_property_set_value() and
- * drm_object_property_get_value() on mutable objects, i.e. those
+ * structure. The decoding is done using the &drm_crtc.atomic_get_property and
+ * &drm_crtc.atomic_set_property hooks for &struct drm_crtc. For
+ * &struct drm_plane the hooks are &drm_plane_funcs.atomic_get_property and
+ * &drm_plane_funcs.atomic_set_property. And for &struct drm_connector
+ * the hooks are &drm_connector_funcs.atomic_get_property and
+ * &drm_connector_funcs.atomic_set_property .
+ *
+ * Hence atomic drivers should not use drm_object_property_set_value()
+ * and drm_object_property_get_value() on mutable objects, i.e. those
* without the DRM_MODE_PROP_IMMUTABLE flag set.
*/
uint64_t values[DRM_OBJECT_MAX_PROPERTY];
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index 9934d91619c1..6dd34280e892 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -459,6 +459,8 @@ int of_get_drm_display_mode(struct device_node *np,
void drm_mode_set_name(struct drm_display_mode *mode);
int drm_mode_hsync(const struct drm_display_mode *mode);
int drm_mode_vrefresh(const struct drm_display_mode *mode);
+void drm_mode_get_hv_timing(const struct drm_display_mode *mode,
+ int *hdisplay, int *vdisplay);
void drm_mode_set_crtcinfo(struct drm_display_mode *p,
int adjust_flags);
diff --git a/include/drm/drm_modeset_helper.h b/include/drm/drm_modeset_helper.h
index b8051d5abe10..cb0ec92e11e6 100644
--- a/include/drm/drm_modeset_helper.h
+++ b/include/drm/drm_modeset_helper.h
@@ -27,7 +27,8 @@
void drm_helper_move_panel_connectors_to_head(struct drm_device *);
-void drm_helper_mode_fill_fb_struct(struct drm_framebuffer *fb,
+void drm_helper_mode_fill_fb_struct(struct drm_device *dev,
+ struct drm_framebuffer *fb,
const struct drm_mode_fb_cmd2 *mode_cmd);
int drm_crtc_init(struct drm_device *dev, struct drm_crtc *crtc,
diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h
index 69c3974bf133..091c42205667 100644
--- a/include/drm/drm_modeset_helper_vtables.h
+++ b/include/drm/drm_modeset_helper_vtables.h
@@ -30,6 +30,7 @@
#define __DRM_MODESET_HELPER_VTABLES_H__
#include <drm/drm_crtc.h>
+#include <drm/drm_encoder.h>
/**
* DOC: overview
@@ -110,9 +111,9 @@ struct drm_crtc_helper_funcs {
* This callback is used to validate a mode. The parameter mode is the
* display mode that userspace requested, adjusted_mode is the mode the
* encoders need to be fed with. Note that this is the inverse semantics
- * of the meaning for the &drm_encoder and &drm_bridge
- * ->mode_fixup() functions. If the CRTC cannot support the requested
- * conversion from mode to adjusted_mode it should reject the modeset.
+ * of the meaning for the &drm_encoder and &drm_bridge_funcs.mode_fixup
+ * vfunc. If the CRTC cannot support the requested conversion from mode
+ * to adjusted_mode it should reject the modeset.
*
* This function is used by both legacy CRTC helpers and atomic helpers.
* With atomic helpers it is optional.
@@ -133,17 +134,18 @@ struct drm_crtc_helper_funcs {
*
* Also beware that neither core nor helpers filter modes before
* passing them to the driver: While the list of modes that is
- * advertised to userspace is filtered using the connector's
- * ->mode_valid() callback, neither the core nor the helpers do any
- * filtering on modes passed in from userspace when setting a mode. It
- * is therefore possible for userspace to pass in a mode that was
- * previously filtered out using ->mode_valid() or add a custom mode
- * that wasn't probed from EDID or similar to begin with. Even though
- * this is an advanced feature and rarely used nowadays, some users rely
- * on being able to specify modes manually so drivers must be prepared
- * to deal with it. Specifically this means that all drivers need not
- * only validate modes in ->mode_valid() but also in ->mode_fixup() to
- * make sure invalid modes passed in from userspace are rejected.
+ * advertised to userspace is filtered using the
+ * &drm_connector.mode_valid callback, neither the core nor the helpers
+ * do any filtering on modes passed in from userspace when setting a
+ * mode. It is therefore possible for userspace to pass in a mode that
+ * was previously filtered out using &drm_connector.mode_valid or add a
+ * custom mode that wasn't probed from EDID or similar to begin with.
+ * Even though this is an advanced feature and rarely used nowadays,
+ * some users rely on being able to specify modes manually so drivers
+ * must be prepared to deal with it. Specifically this means that all
+ * drivers need not only validate modes in &drm_connector.mode_valid but
+ * also in this or in the &drm_encoder_helper_funcs.mode_fixup callback
+ * to make sure invalid modes passed in from userspace are rejected.
*
* RETURNS:
*
@@ -204,7 +206,7 @@ struct drm_crtc_helper_funcs {
* optimized fast-path instead of a full mode set operation with all the
* resulting flickering. If it is not present
* drm_crtc_helper_set_config() will fall back to a full modeset, using
- * the ->mode_set() callback. Since it can't update other planes it's
+ * the @mode_set callback. Since it can't update other planes it's
* incompatible with atomic modeset support.
*
* This callback is only used by the CRTC helpers and deprecated.
@@ -237,8 +239,7 @@ struct drm_crtc_helper_funcs {
/**
* @load_lut:
*
- * Load a LUT prepared with the @gamma_set functions from
- * &drm_fb_helper_funcs.
+ * Load a LUT prepared with the &drm_fb_helper_funcs.gamma_set vfunc.
*
* This callback is optional and is only used by the fbdev emulation
* helpers.
@@ -256,10 +257,11 @@ struct drm_crtc_helper_funcs {
*
* This callback should be used to disable the CRTC. With the atomic
* drivers it is called after all encoders connected to this CRTC have
- * been shut off already using their own ->disable hook. If that
- * sequence is too simple drivers can just add their own hooks and call
- * it from this CRTC callback here by looping over all encoders
- * connected to it using for_each_encoder_on_crtc().
+ * been shut off already using their own
+ * &drm_encoder_helper_funcs.disable hook. If that sequence is too
+ * simple drivers can just add their own hooks and call it from this
+ * CRTC callback here by looping over all encoders connected to it using
+ * for_each_encoder_on_crtc().
*
* This hook is used both by legacy CRTC helpers and atomic helpers.
* Atomic drivers don't need to implement it if there's no need to
@@ -288,10 +290,10 @@ struct drm_crtc_helper_funcs {
*
* This callback should be used to enable the CRTC. With the atomic
* drivers it is called before all encoders connected to this CRTC are
- * enabled through the encoder's own ->enable hook. If that sequence is
- * too simple drivers can just add their own hooks and call it from this
- * CRTC callback here by looping over all encoders connected to it using
- * for_each_encoder_on_crtc().
+ * enabled through the encoder's own &drm_encoder_helper_funcs.enable
+ * hook. If that sequence is too simple drivers can just add their own
+ * hooks and call it from this CRTC callback here by looping over all
+ * encoders connected to it using for_each_encoder_on_crtc().
*
* This hook is used only by atomic helpers, for symmetry with @disable.
* Atomic drivers don't need to implement it if there's no need to
@@ -315,16 +317,16 @@ struct drm_crtc_helper_funcs {
* beforehand. This is calling order used by the default helper
* implementation in drm_atomic_helper_check().
*
- * When using drm_atomic_helper_check_planes() CRTCs' ->atomic_check()
- * hooks are called after the ones for planes, which allows drivers to
- * assign shared resources requested by planes in the CRTC callback
- * here. For more complicated dependencies the driver can call the provided
- * check helpers multiple times until the computed state has a final
- * configuration and everything has been checked.
+ * When using drm_atomic_helper_check_planes() this hook is called
+ * after the &drm_plane_helper_funcs.atomc_check hook for planes, which
+ * allows drivers to assign shared resources requested by planes in this
+ * callback here. For more complicated dependencies the driver can call
+ * the provided check helpers multiple times until the computed state
+ * has a final configuration and everything has been checked.
*
* This function is also allowed to inspect any other object's state and
* can add more state objects to the atomic commit if needed. Care must
- * be taken though to ensure that state check&compute functions for
+ * be taken though to ensure that state check and compute functions for
* these added states are all called, and derived state in other objects
* all updated. Again the recommendation is to just call check helpers
* until a maximal configuration is reached.
@@ -399,10 +401,11 @@ struct drm_crtc_helper_funcs {
*
* This callback should be used to disable the CRTC. With the atomic
* drivers it is called after all encoders connected to this CRTC have
- * been shut off already using their own ->disable hook. If that
- * sequence is too simple drivers can just add their own hooks and call
- * it from this CRTC callback here by looping over all encoders
- * connected to it using for_each_encoder_on_crtc().
+ * been shut off already using their own
+ * &drm_encoder_helper_funcs.disable hook. If that sequence is too
+ * simple drivers can just add their own hooks and call it from this
+ * CRTC callback here by looping over all encoders connected to it using
+ * for_each_encoder_on_crtc().
*
* This hook is used only by atomic helpers. Atomic drivers don't
* need to implement it if there's no need to disable anything at the
@@ -482,16 +485,18 @@ struct drm_encoder_helper_funcs {
* Also beware that neither core nor helpers filter modes before
* passing them to the driver: While the list of modes that is
* advertised to userspace is filtered using the connector's
- * ->mode_valid() callback, neither the core nor the helpers do any
- * filtering on modes passed in from userspace when setting a mode. It
- * is therefore possible for userspace to pass in a mode that was
- * previously filtered out using ->mode_valid() or add a custom mode
- * that wasn't probed from EDID or similar to begin with. Even though
- * this is an advanced feature and rarely used nowadays, some users rely
- * on being able to specify modes manually so drivers must be prepared
- * to deal with it. Specifically this means that all drivers need not
- * only validate modes in ->mode_valid() but also in ->mode_fixup() to
- * make sure invalid modes passed in from userspace are rejected.
+ * &drm_connector_helper_funcs.mode_valid callback, neither the core nor
+ * the helpers do any filtering on modes passed in from userspace when
+ * setting a mode. It is therefore possible for userspace to pass in a
+ * mode that was previously filtered out using
+ * &drm_connector_helper_funcs.mode_valid or add a custom mode that
+ * wasn't probed from EDID or similar to begin with. Even though this
+ * is an advanced feature and rarely used nowadays, some users rely on
+ * being able to specify modes manually so drivers must be prepared to
+ * deal with it. Specifically this means that all drivers need not only
+ * validate modes in &drm_connector.mode_valid but also in this or in
+ * the &drm_crtc_helper_funcs.mode_fixup callback to make sure
+ * invalid modes passed in from userspace are rejected.
*
* RETURNS:
*
@@ -543,7 +548,7 @@ struct drm_encoder_helper_funcs {
* use this hook, because the helper library calls it only once and not
* every time the display pipeline is suspend using either DPMS or the
* new "ACTIVE" property. Such drivers should instead move all their
- * encoder setup into the ->enable() callback.
+ * encoder setup into the @enable callback.
*
* This callback is used both by the legacy CRTC helpers and the atomic
* modeset helpers. It is optional in the atomic helpers.
@@ -569,7 +574,7 @@ struct drm_encoder_helper_funcs {
* use this hook, because the helper library calls it only once and not
* every time the display pipeline is suspended using either DPMS or the
* new "ACTIVE" property. Such drivers should instead move all their
- * encoder setup into the ->enable() callback.
+ * encoder setup into the @enable callback.
*
* This callback is used by the atomic modeset helpers in place of the
* @mode_set callback, if set by the driver. It is optional and should
@@ -620,10 +625,10 @@ struct drm_encoder_helper_funcs {
*
* This callback should be used to disable the encoder. With the atomic
* drivers it is called before this encoder's CRTC has been shut off
- * using the CRTC's own ->disable hook. If that sequence is too simple
- * drivers can just add their own driver private encoder hooks and call
- * them from CRTC's callback by looping over all encoders connected to
- * it using for_each_encoder_on_crtc().
+ * using their own &drm_crtc_helper_funcs.disable hook. If that
+ * sequence is too simple drivers can just add their own driver private
+ * encoder hooks and call them from CRTC's callback by looping over all
+ * encoders connected to it using for_each_encoder_on_crtc().
*
* This hook is used both by legacy CRTC helpers and atomic helpers.
* Atomic drivers don't need to implement it if there's no need to
@@ -650,10 +655,10 @@ struct drm_encoder_helper_funcs {
*
* This callback should be used to enable the encoder. With the atomic
* drivers it is called after this encoder's CRTC has been enabled using
- * the CRTC's own ->enable hook. If that sequence is too simple drivers
- * can just add their own driver private encoder hooks and call them
- * from CRTC's callback by looping over all encoders connected to it
- * using for_each_encoder_on_crtc().
+ * their own &drm_crtc_helper_funcs.enable hook. If that sequence is
+ * too simple drivers can just add their own driver private encoder
+ * hooks and call them from CRTC's callback by looping over all encoders
+ * connected to it using for_each_encoder_on_crtc().
*
* This hook is used only by atomic helpers, for symmetry with @disable.
* Atomic drivers don't need to implement it if there's no need to
@@ -715,7 +720,7 @@ struct drm_connector_helper_funcs {
* @get_modes:
*
* This function should fill in all modes currently valid for the sink
- * into the connector->probed_modes list. It should also update the
+ * into the &drm_connector.probed_modes list. It should also update the
* EDID property by calling drm_mode_connector_update_edid_property().
*
* The usual way to implement this is to cache the EDID retrieved in the
@@ -724,8 +729,9 @@ struct drm_connector_helper_funcs {
* them by calling drm_add_edid_modes(). But connectors that driver a
* fixed panel can also manually add specific modes using
* drm_mode_probed_add(). Drivers which manually add modes should also
- * make sure that the @display_info, @width_mm and @height_mm fields of the
- * struct &drm_connector are filled in.
+ * make sure that the &drm_connector.display_info,
+ * &drm_connector.width_mm and &drm_connector.height_mm fields are
+ * filled in.
*
* Virtual drivers that just want some standard VESA mode with a given
* resolution can call drm_add_modes_noedid(), and mark the preferred
@@ -734,7 +740,7 @@ struct drm_connector_helper_funcs {
* Finally drivers that support audio probably want to update the ELD
* data, too, using drm_edid_to_eld().
*
- * This function is only called after the ->detect() hook has indicated
+ * This function is only called after the @detect hook has indicated
* that a sink is connected and when the EDID isn't overridden through
* sysfs or the kernel commandline.
*
@@ -767,8 +773,8 @@ struct drm_connector_helper_funcs {
*
* RETURNS:
*
- * Either MODE_OK or one of the failure reasons in enum
- * &drm_mode_status.
+ * Either &drm_mode_status.MODE_OK or one of the failure reasons in &enum
+ * drm_mode_status.
*/
enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
struct drm_display_mode *mode);
@@ -874,7 +880,7 @@ struct drm_plane_helper_funcs {
* RETURNS:
*
* 0 on success or one of the following negative error codes allowed by
- * the atomic_commit hook in &drm_mode_config_funcs. When using helpers
+ * the &drm_mode_config_funcs.atomic_commit vfunc. When using helpers
* this callback is the only one which can fail an atomic commit,
* everything else must complete successfully.
*/
@@ -897,7 +903,7 @@ struct drm_plane_helper_funcs {
*
* Drivers should check plane specific constraints in this hook.
*
- * When using drm_atomic_helper_check_planes() plane's ->atomic_check()
+ * When using drm_atomic_helper_check_planes() plane's @atomic_check
* hooks are called before the ones for CRTCs, which allows drivers to
* request shared resources that the CRTC controls here. For more
* complicated dependencies the driver can call the provided check helpers
@@ -906,7 +912,7 @@ struct drm_plane_helper_funcs {
*
* This function is also allowed to inspect any other object's state and
* can add more state objects to the atomic commit if needed. Care must
- * be taken though to ensure that state check&compute functions for
+ * be taken though to ensure that state check and compute functions for
* these added states are all called, and derived state in other objects
* all updated. Again the recommendation is to just call check helpers
* until a maximal configuration is reached.
@@ -935,8 +941,8 @@ struct drm_plane_helper_funcs {
* @atomic_update:
*
* Drivers should use this function to update the plane state. This
- * hook is called in-between the ->atomic_begin() and
- * ->atomic_flush() of &drm_crtc_helper_funcs.
+ * hook is called in-between the &drm_crtc_helper_funcs.atomic_begin and
+ * drm_crtc_helper_funcs.atomic_flush callbacks.
*
* Note that the power state of the display pipe when this function is
* called depends upon the exact helpers and calling sequence the driver
@@ -952,14 +958,15 @@ struct drm_plane_helper_funcs {
* @atomic_disable:
*
* Drivers should use this function to unconditionally disable a plane.
- * This hook is called in-between the ->atomic_begin() and
- * ->atomic_flush() of &drm_crtc_helper_funcs. It is an alternative to
+ * This hook is called in-between the
+ * &drm_crtc_helper_funcs.atomic_begin and
+ * drm_crtc_helper_funcs.atomic_flush callbacks. It is an alternative to
* @atomic_update, which will be called for disabling planes, too, if
* the @atomic_disable hook isn't implemented.
*
* This hook is also useful to disable planes in preparation of a modeset,
* by calling drm_atomic_helper_disable_planes_on_crtc() from the
- * ->disable() hook in &drm_crtc_helper_funcs.
+ * &drm_crtc_helper_funcs.disable hook.
*
* Note that the power state of the display pipe when this function is
* called depends upon the exact helpers and calling sequence the driver
diff --git a/include/drm/drm_modeset_lock.h b/include/drm/drm_modeset_lock.h
index d918ce45ec2c..96d39fbd12ca 100644
--- a/include/drm/drm_modeset_lock.h
+++ b/include/drm/drm_modeset_lock.h
@@ -64,7 +64,7 @@ struct drm_modeset_acquire_ctx {
/**
* struct drm_modeset_lock - used for locking modeset resources.
* @mutex: resource locking
- * @head: used to hold it's place on state->locked list when
+ * @head: used to hold it's place on &drm_atomi_state.locked list when
* part of an atomic update
*
* Used for locking CRTCs and other modeset resources.
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 220d1e2b3db1..4b76cf2d5a7b 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -193,9 +193,9 @@ int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector);
int drm_panel_detach(struct drm_panel *panel);
#ifdef CONFIG_OF
-struct drm_panel *of_drm_find_panel(struct device_node *np);
+struct drm_panel *of_drm_find_panel(const struct device_node *np);
#else
-static inline struct drm_panel *of_drm_find_panel(struct device_node *np)
+static inline struct drm_panel *of_drm_find_panel(const struct device_node *np)
{
return NULL;
}
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index db3bbdeb36d5..20867b4371ab 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -247,19 +247,19 @@ struct drm_plane_funcs {
* @atomic_duplicate_state:
*
* Duplicate the current atomic state for this plane and return it.
- * The core and helpers gurantee that any atomic state duplicated with
+ * The core and helpers guarantee that any atomic state duplicated with
* this hook and still owned by the caller (i.e. not transferred to the
- * driver by calling ->atomic_commit() from struct
- * &drm_mode_config_funcs) will be cleaned up by calling the
- * @atomic_destroy_state hook in this structure.
+ * driver by calling &drm_mode_config_funcs.atomic_commit) will be
+ * cleaned up by calling the @atomic_destroy_state hook in this
+ * structure.
*
- * Atomic drivers which don't subclass struct &drm_plane_state should use
+ * Atomic drivers which don't subclass &struct drm_plane_state should use
* drm_atomic_helper_plane_duplicate_state(). Drivers that subclass the
* state structure to extend it with driver-private state should use
* __drm_atomic_helper_plane_duplicate_state() to make sure shared state is
* duplicated in a consistent fashion across drivers.
*
- * It is an error to call this hook before plane->state has been
+ * It is an error to call this hook before &drm_plane.state has been
* initialized correctly.
*
* NOTE:
@@ -372,7 +372,7 @@ struct drm_plane_funcs {
*
* This optional hook should be used to unregister the additional
* userspace interfaces attached to the plane from
- * late_unregister(). It is called from drm_dev_unregister(),
+ * @late_register. It is called from drm_dev_unregister(),
* early in the driver unload sequence to disable userspace access
* before data structures are torndown.
*/
@@ -381,7 +381,7 @@ struct drm_plane_funcs {
/**
* @atomic_print_state:
*
- * If driver subclasses struct &drm_plane_state, it should implement
+ * If driver subclasses &struct drm_plane_state, it should implement
* this optional hook for printing additional driver specific state.
*
* Do not call this directly, use drm_atomic_plane_print_state()
@@ -423,8 +423,8 @@ enum drm_plane_type {
*
* Primary planes represent a "main" plane for a CRTC. Primary planes
* are the planes operated upon by CRTC modesetting and flipping
- * operations described in the page_flip and set_config hooks in struct
- * &drm_crtc_funcs.
+ * operations described in the &drm_crtc_funcs.page_flip and
+ * &drm_crtc_funcs.set_config hooks.
*/
DRM_PLANE_TYPE_PRIMARY,
@@ -470,9 +470,9 @@ struct drm_plane {
/**
* @mutex:
*
- * Protects modeset plane state, together with the mutex of &drm_crtc
- * this plane is linked to (when active, getting actived or getting
- * disabled).
+ * Protects modeset plane state, together with the &drm_crtc.mutex of
+ * CRTC this plane is linked to (when active, getting activated or
+ * getting disabled).
*/
struct drm_modeset_lock mutex;
@@ -580,7 +580,7 @@ static inline struct drm_plane *drm_plane_find(struct drm_device *dev,
*
* Iterate over all legacy planes of @dev, excluding primary and cursor planes.
* This is useful for implementing userspace apis when userspace is not
- * universal plane aware. See also enum &drm_plane_type.
+ * universal plane aware. See also &enum drm_plane_type.
*/
#define drm_for_each_legacy_plane(plane, dev) \
list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) \
diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h
index 1adf84aea622..7d98763c0444 100644
--- a/include/drm/drm_print.h
+++ b/include/drm/drm_print.h
@@ -60,26 +60,27 @@
/**
* struct drm_printer - drm output "stream"
- * @printfn: actual output fxn
- * @arg: output fxn specific data
*
* Do not use struct members directly. Use drm_printer_seq_file(),
* drm_printer_info(), etc to initialize. And drm_printf() for output.
*/
struct drm_printer {
+ /* private: */
void (*printfn)(struct drm_printer *p, struct va_format *vaf);
void *arg;
+ const char *prefix;
};
void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf);
void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf);
+void __drm_printfn_debug(struct drm_printer *p, struct va_format *vaf);
void drm_printf(struct drm_printer *p, const char *f, ...);
/**
* drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file
- * @f: the struct &seq_file to output to
+ * @f: the &struct seq_file to output to
*
* RETURNS:
* The &drm_printer object
@@ -95,7 +96,7 @@ static inline struct drm_printer drm_seq_file_printer(struct seq_file *f)
/**
* drm_info_printer - construct a &drm_printer that outputs to dev_printk()
- * @dev: the struct &device pointer
+ * @dev: the &struct device pointer
*
* RETURNS:
* The &drm_printer object
@@ -109,4 +110,19 @@ static inline struct drm_printer drm_info_printer(struct device *dev)
return p;
}
+/**
+ * drm_debug_printer - construct a &drm_printer that outputs to pr_debug()
+ * @prefix: debug output prefix
+ *
+ * RETURNS:
+ * The &drm_printer object
+ */
+static inline struct drm_printer drm_debug_printer(const char *prefix)
+{
+ struct drm_printer p = {
+ .printfn = __drm_printfn_debug,
+ .prefix = prefix
+ };
+ return p;
+}
#endif /* DRM_PRINT_H_ */
diff --git a/include/drm/drm_property.h b/include/drm/drm_property.h
index 43c4b6a2046d..f66fdb47551c 100644
--- a/include/drm/drm_property.h
+++ b/include/drm/drm_property.h
@@ -30,7 +30,7 @@
/**
* struct drm_property_enum - symbolic values for enumerations
* @value: numeric property value for this enum entry
- * @head: list of enum values, linked to enum_list in &drm_property
+ * @head: list of enum values, linked to &drm_property.enum_list
* @name: symbolic name for the enum
*
* For enumeration and bitmask properties this structure stores the symbolic
@@ -191,9 +191,9 @@ struct drm_property {
* struct drm_property_blob - Blob data for &drm_property
* @base: base KMS object
* @dev: DRM device
- * @head_global: entry on the global blob list in &drm_mode_config
- * property_blob_list.
- * @head_file: entry on the per-file blob list in &drm_file blobs list.
+ * @head_global: entry on the global blob list in
+ * &drm_mode_config.property_blob_list.
+ * @head_file: entry on the per-file blob list in &drm_file.blobs list.
* @length: size of the blob in bytes, invariant over the lifetime of the object
* @data: actual data, embedded at the end of this structure
*
diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h
index 01a8436ccb0a..fffbb95a0915 100644
--- a/include/drm/drm_simple_kms_helper.h
+++ b/include/drm/drm_simple_kms_helper.h
@@ -10,6 +10,10 @@
#ifndef __LINUX_DRM_SIMPLE_KMS_HELPER_H
#define __LINUX_DRM_SIMPLE_KMS_HELPER_H
+#include <drm/drm_crtc.h>
+#include <drm/drm_encoder.h>
+#include <drm/drm_plane.h>
+
struct drm_simple_display_pipe;
/**
@@ -73,9 +77,9 @@ struct drm_simple_display_pipe_funcs {
/**
* @prepare_fb:
*
- * Optional, called by struct &drm_plane_helper_funcs ->prepare_fb .
- * Please read the documentation for the ->prepare_fb hook in
- * struct &drm_plane_helper_funcs for more details.
+ * Optional, called by &drm_plane_helper_funcs.prepare_fb. Please read
+ * the documentation for the &drm_plane_helper_funcs.prepare_fb hook for
+ * more details.
*/
int (*prepare_fb)(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *plane_state);
@@ -83,9 +87,9 @@ struct drm_simple_display_pipe_funcs {
/**
* @cleanup_fb:
*
- * Optional, called by struct &drm_plane_helper_funcs ->cleanup_fb .
- * Please read the documentation for the ->cleanup_fb hook in
- * struct &drm_plane_helper_funcs for more details.
+ * Optional, called by &drm_plane_helper_funcs.cleanup_fb. Please read
+ * the documentation for the &drm_plane_helper_funcs.cleanup_fb hook for
+ * more details.
*/
void (*cleanup_fb)(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *plane_state);
@@ -114,8 +118,6 @@ struct drm_simple_display_pipe {
int drm_simple_display_pipe_attach_bridge(struct drm_simple_display_pipe *pipe,
struct drm_bridge *bridge);
-void drm_simple_display_pipe_detach_bridge(struct drm_simple_display_pipe *pipe);
-
int drm_simple_display_pipe_init(struct drm_device *dev,
struct drm_simple_display_pipe *pipe,
const struct drm_simple_display_pipe_funcs *funcs,
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 0d5f4268d75f..a1dd21d6b723 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -226,23 +226,18 @@
INTEL_VGA_DEVICE(0x162A, info), /* Server */ \
INTEL_VGA_DEVICE(0x162D, info) /* Workstation */
-#define INTEL_BDW_RSVDM_IDS(info) \
+#define INTEL_BDW_RSVD_IDS(info) \
INTEL_VGA_DEVICE(0x1632, info), /* ULT */ \
INTEL_VGA_DEVICE(0x1636, info), /* ULT */ \
INTEL_VGA_DEVICE(0x163B, info), /* Iris */ \
- INTEL_VGA_DEVICE(0x163E, info) /* ULX */
-
-#define INTEL_BDW_RSVDD_IDS(info) \
+ INTEL_VGA_DEVICE(0x163E, info), /* ULX */ \
INTEL_VGA_DEVICE(0x163A, info), /* Server */ \
INTEL_VGA_DEVICE(0x163D, info) /* Workstation */
#define INTEL_BDW_IDS(info) \
INTEL_BDW_GT12_IDS(info), \
INTEL_BDW_GT3_IDS(info), \
- INTEL_BDW_RSVDM_IDS(info), \
- INTEL_BDW_GT12_IDS(info), \
- INTEL_BDW_GT3_IDS(info), \
- INTEL_BDW_RSVDD_IDS(info)
+ INTEL_BDW_RSVD_IDS(info)
#define INTEL_CHV_IDS(info) \
INTEL_VGA_DEVICE(0x22b0, info), \
@@ -270,14 +265,14 @@
INTEL_VGA_DEVICE(0x1923, info), /* ULT GT3 */ \
INTEL_VGA_DEVICE(0x1926, info), /* ULT GT3 */ \
INTEL_VGA_DEVICE(0x1927, info), /* ULT GT3 */ \
- INTEL_VGA_DEVICE(0x192B, info), /* Halo GT3 */ \
- INTEL_VGA_DEVICE(0x192A, info) /* SRV GT3 */
+ INTEL_VGA_DEVICE(0x192B, info) /* Halo GT3 */ \
#define INTEL_SKL_GT4_IDS(info) \
INTEL_VGA_DEVICE(0x1932, info), /* DT GT4 */ \
INTEL_VGA_DEVICE(0x193B, info), /* Halo GT4 */ \
INTEL_VGA_DEVICE(0x193D, info), /* WKS GT4 */ \
- INTEL_VGA_DEVICE(0x193A, info) /* SRV GT4 */
+ INTEL_VGA_DEVICE(0x192A, info), /* SRV GT4 */ \
+ INTEL_VGA_DEVICE(0x193A, info) /* SRV GT4e */
#define INTEL_SKL_IDS(info) \
INTEL_SKL_GT1_IDS(info), \
@@ -292,6 +287,10 @@
INTEL_VGA_DEVICE(0x5A84, info), /* APL HD Graphics 505 */ \
INTEL_VGA_DEVICE(0x5A85, info) /* APL HD Graphics 500 */
+#define INTEL_GLK_IDS(info) \
+ INTEL_VGA_DEVICE(0x3184, info), \
+ INTEL_VGA_DEVICE(0x3185, info)
+
#define INTEL_KBL_GT1_IDS(info) \
INTEL_VGA_DEVICE(0x5913, info), /* ULT GT1.5 */ \
INTEL_VGA_DEVICE(0x5915, info), /* ULX GT1.5 */ \
diff --git a/include/drm/intel-gtt.h b/include/drm/intel-gtt.h
index f49edecd66a3..b3bf717cfc45 100644
--- a/include/drm/intel-gtt.h
+++ b/include/drm/intel-gtt.h
@@ -3,8 +3,10 @@
#ifndef _DRM_INTEL_GTT_H
#define _DRM_INTEL_GTT_H
-void intel_gtt_get(u64 *gtt_total, size_t *stolen_size,
- phys_addr_t *mappable_base, u64 *mappable_end);
+void intel_gtt_get(u64 *gtt_total,
+ u32 *stolen_size,
+ phys_addr_t *mappable_base,
+ u64 *mappable_end);
int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev,
struct agp_bridge_data *bridge);
diff --git a/include/drm/tinydrm/ili9341.h b/include/drm/tinydrm/ili9341.h
new file mode 100644
index 000000000000..807a09f43cad
--- /dev/null
+++ b/include/drm/tinydrm/ili9341.h
@@ -0,0 +1,54 @@
+/*
+ * ILI9341 LCD controller
+ *
+ * Copyright 2016 Noralf Trønnes
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __LINUX_ILI9341_H
+#define __LINUX_ILI9341_H
+
+#define ILI9341_FRMCTR1 0xb1
+#define ILI9341_FRMCTR2 0xb2
+#define ILI9341_FRMCTR3 0xb3
+#define ILI9341_INVTR 0xb4
+#define ILI9341_PRCTR 0xb5
+#define ILI9341_DISCTRL 0xb6
+#define ILI9341_ETMOD 0xb7
+
+#define ILI9341_PWCTRL1 0xc0
+#define ILI9341_PWCTRL2 0xc1
+#define ILI9341_VMCTRL1 0xc5
+#define ILI9341_VMCTRL2 0xc7
+#define ILI9341_PWCTRLA 0xcb
+#define ILI9341_PWCTRLB 0xcf
+
+#define ILI9341_RDID1 0xda
+#define ILI9341_RDID2 0xdb
+#define ILI9341_RDID3 0xdc
+#define ILI9341_RDID4 0xd3
+
+#define ILI9341_PGAMCTRL 0xe0
+#define ILI9341_NGAMCTRL 0xe1
+#define ILI9341_DGAMCTRL1 0xe2
+#define ILI9341_DGAMCTRL2 0xe3
+#define ILI9341_DTCTRLA 0xe8
+#define ILI9341_DTCTRLB 0xea
+#define ILI9341_PWRSEQ 0xed
+
+#define ILI9341_EN3GAM 0xf2
+#define ILI9341_IFCTRL 0xf6
+#define ILI9341_PUMPCTRL 0xf7
+
+#define ILI9341_MADCTL_MH BIT(2)
+#define ILI9341_MADCTL_BGR BIT(3)
+#define ILI9341_MADCTL_ML BIT(4)
+#define ILI9341_MADCTL_MV BIT(5)
+#define ILI9341_MADCTL_MX BIT(6)
+#define ILI9341_MADCTL_MY BIT(7)
+
+#endif /* __LINUX_ILI9341_H */
diff --git a/include/drm/tinydrm/mipi-dbi.h b/include/drm/tinydrm/mipi-dbi.h
new file mode 100644
index 000000000000..d137b16ee873
--- /dev/null
+++ b/include/drm/tinydrm/mipi-dbi.h
@@ -0,0 +1,107 @@
+/*
+ * MIPI Display Bus Interface (DBI) LCD controller support
+ *
+ * Copyright 2016 Noralf Trønnes
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __LINUX_MIPI_DBI_H
+#define __LINUX_MIPI_DBI_H
+
+#include <drm/tinydrm/tinydrm.h>
+
+struct spi_device;
+struct gpio_desc;
+struct regulator;
+
+/**
+ * struct mipi_dbi - MIPI DBI controller
+ * @tinydrm: tinydrm base
+ * @spi: SPI device
+ * @enabled: Pipeline is enabled
+ * @cmdlock: Command lock
+ * @command: Bus specific callback executing commands.
+ * @read_commands: Array of read commands terminated by a zero entry.
+ * Reading is disabled if this is NULL.
+ * @dc: Optional D/C gpio.
+ * @tx_buf: Buffer used for transfer (copy clip rect area)
+ * @tx_buf9: Buffer used for Option 1 9-bit conversion
+ * @tx_buf9_len: Size of tx_buf9.
+ * @swap_bytes: Swap bytes in buffer before transfer
+ * @reset: Optional reset gpio
+ * @rotation: initial rotation in degrees Counter Clock Wise
+ * @backlight: backlight device (optional)
+ * @regulator: power regulator (optional)
+ */
+struct mipi_dbi {
+ struct tinydrm_device tinydrm;
+ struct spi_device *spi;
+ bool enabled;
+ struct mutex cmdlock;
+ int (*command)(struct mipi_dbi *mipi, u8 cmd, u8 *param, size_t num);
+ const u8 *read_commands;
+ struct gpio_desc *dc;
+ u16 *tx_buf;
+ void *tx_buf9;
+ size_t tx_buf9_len;
+ bool swap_bytes;
+ struct gpio_desc *reset;
+ unsigned int rotation;
+ struct backlight_device *backlight;
+ struct regulator *regulator;
+};
+
+static inline struct mipi_dbi *
+mipi_dbi_from_tinydrm(struct tinydrm_device *tdev)
+{
+ return container_of(tdev, struct mipi_dbi, tinydrm);
+}
+
+int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *mipi,
+ struct gpio_desc *dc,
+ const struct drm_simple_display_pipe_funcs *pipe_funcs,
+ struct drm_driver *driver,
+ const struct drm_display_mode *mode,
+ unsigned int rotation);
+int mipi_dbi_init(struct device *dev, struct mipi_dbi *mipi,
+ const struct drm_simple_display_pipe_funcs *pipe_funcs,
+ struct drm_driver *driver,
+ const struct drm_display_mode *mode, unsigned int rotation);
+void mipi_dbi_pipe_enable(struct drm_simple_display_pipe *pipe,
+ struct drm_crtc_state *crtc_state);
+void mipi_dbi_pipe_disable(struct drm_simple_display_pipe *pipe);
+void mipi_dbi_hw_reset(struct mipi_dbi *mipi);
+bool mipi_dbi_display_is_on(struct mipi_dbi *mipi);
+
+int mipi_dbi_command_read(struct mipi_dbi *mipi, u8 cmd, u8 *val);
+int mipi_dbi_command_buf(struct mipi_dbi *mipi, u8 cmd, u8 *data, size_t len);
+
+/**
+ * mipi_dbi_command - MIPI DCS command with optional parameter(s)
+ * @mipi: MIPI structure
+ * @cmd: Command
+ * @seq...: Optional parameter(s)
+ *
+ * Send MIPI DCS command to the controller. Use mipi_dbi_command_read() for
+ * get/read.
+ *
+ * Returns:
+ * Zero on success, negative error code on failure.
+ */
+#define mipi_dbi_command(mipi, cmd, seq...) \
+({ \
+ u8 d[] = { seq }; \
+ mipi_dbi_command_buf(mipi, cmd, d, ARRAY_SIZE(d)); \
+})
+
+#ifdef CONFIG_DEBUG_FS
+int mipi_dbi_debugfs_init(struct drm_minor *minor);
+#else
+#define mipi_dbi_debugfs_init NULL
+#endif
+
+#endif /* __LINUX_MIPI_DBI_H */
diff --git a/include/drm/tinydrm/tinydrm-helpers.h b/include/drm/tinydrm/tinydrm-helpers.h
new file mode 100644
index 000000000000..9b9b6cfe3ba5
--- /dev/null
+++ b/include/drm/tinydrm/tinydrm-helpers.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2016 Noralf Trønnes
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __LINUX_TINYDRM_HELPERS_H
+#define __LINUX_TINYDRM_HELPERS_H
+
+struct backlight_device;
+struct tinydrm_device;
+struct drm_clip_rect;
+struct spi_transfer;
+struct spi_message;
+struct spi_device;
+struct device;
+
+/**
+ * tinydrm_machine_little_endian - Machine is little endian
+ *
+ * Returns:
+ * true if *defined(__LITTLE_ENDIAN)*, false otherwise
+ */
+static inline bool tinydrm_machine_little_endian(void)
+{
+#if defined(__LITTLE_ENDIAN)
+ return true;
+#else
+ return false;
+#endif
+}
+
+bool tinydrm_merge_clips(struct drm_clip_rect *dst,
+ struct drm_clip_rect *src, unsigned int num_clips,
+ unsigned int flags, u32 max_width, u32 max_height);
+void tinydrm_memcpy(void *dst, void *vaddr, struct drm_framebuffer *fb,
+ struct drm_clip_rect *clip);
+void tinydrm_swab16(u16 *dst, void *vaddr, struct drm_framebuffer *fb,
+ struct drm_clip_rect *clip);
+void tinydrm_xrgb8888_to_rgb565(u16 *dst, void *vaddr,
+ struct drm_framebuffer *fb,
+ struct drm_clip_rect *clip, bool swap);
+
+struct backlight_device *tinydrm_of_find_backlight(struct device *dev);
+int tinydrm_enable_backlight(struct backlight_device *backlight);
+int tinydrm_disable_backlight(struct backlight_device *backlight);
+
+size_t tinydrm_spi_max_transfer_size(struct spi_device *spi, size_t max_len);
+bool tinydrm_spi_bpw_supported(struct spi_device *spi, u8 bpw);
+int tinydrm_spi_transfer(struct spi_device *spi, u32 speed_hz,
+ struct spi_transfer *header, u8 bpw, const void *buf,
+ size_t len);
+void _tinydrm_dbg_spi_message(struct spi_device *spi, struct spi_message *m);
+
+#ifdef DEBUG
+/**
+ * tinydrm_dbg_spi_message - Dump SPI message
+ * @spi: SPI device
+ * @m: SPI message
+ *
+ * Dumps info about the transfers in a SPI message including buffer content.
+ * DEBUG has to be defined for this function to be enabled alongside setting
+ * the DRM_UT_DRIVER bit of &drm_debug.
+ */
+static inline void tinydrm_dbg_spi_message(struct spi_device *spi,
+ struct spi_message *m)
+{
+ if (drm_debug & DRM_UT_DRIVER)
+ _tinydrm_dbg_spi_message(spi, m);
+}
+#else
+static inline void tinydrm_dbg_spi_message(struct spi_device *spi,
+ struct spi_message *m)
+{
+}
+#endif /* DEBUG */
+
+#endif /* __LINUX_TINYDRM_HELPERS_H */
diff --git a/include/drm/tinydrm/tinydrm.h b/include/drm/tinydrm/tinydrm.h
new file mode 100644
index 000000000000..cf9ca207b8b1
--- /dev/null
+++ b/include/drm/tinydrm/tinydrm.h
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2016 Noralf Trønnes
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __LINUX_TINYDRM_H
+#define __LINUX_TINYDRM_H
+
+#include <drm/drm_gem_cma_helper.h>
+#include <drm/drm_fb_cma_helper.h>
+#include <drm/drm_simple_kms_helper.h>
+
+/**
+ * struct tinydrm_device - tinydrm device
+ * @drm: DRM device
+ * @pipe: Display pipe structure
+ * @dirty_lock: Serializes framebuffer flushing
+ * @fbdev_cma: CMA fbdev structure
+ * @suspend_state: Atomic state when suspended
+ * @fb_funcs: Framebuffer functions used when creating framebuffers
+ */
+struct tinydrm_device {
+ struct drm_device *drm;
+ struct drm_simple_display_pipe pipe;
+ struct mutex dirty_lock;
+ struct drm_fbdev_cma *fbdev_cma;
+ struct drm_atomic_state *suspend_state;
+ const struct drm_framebuffer_funcs *fb_funcs;
+};
+
+static inline struct tinydrm_device *
+pipe_to_tinydrm(struct drm_simple_display_pipe *pipe)
+{
+ return container_of(pipe, struct tinydrm_device, pipe);
+}
+
+/**
+ * TINYDRM_GEM_DRIVER_OPS - default tinydrm gem operations
+ *
+ * This macro provides a shortcut for setting the tinydrm GEM operations in
+ * the &drm_driver structure.
+ */
+#define TINYDRM_GEM_DRIVER_OPS \
+ .gem_free_object = tinydrm_gem_cma_free_object, \
+ .gem_vm_ops = &drm_gem_cma_vm_ops, \
+ .prime_handle_to_fd = drm_gem_prime_handle_to_fd, \
+ .prime_fd_to_handle = drm_gem_prime_fd_to_handle, \
+ .gem_prime_import = drm_gem_prime_import, \
+ .gem_prime_export = drm_gem_prime_export, \
+ .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, \
+ .gem_prime_import_sg_table = tinydrm_gem_cma_prime_import_sg_table, \
+ .gem_prime_vmap = drm_gem_cma_prime_vmap, \
+ .gem_prime_vunmap = drm_gem_cma_prime_vunmap, \
+ .gem_prime_mmap = drm_gem_cma_prime_mmap, \
+ .dumb_create = drm_gem_cma_dumb_create, \
+ .dumb_map_offset = drm_gem_cma_dumb_map_offset, \
+ .dumb_destroy = drm_gem_dumb_destroy, \
+ .fops = &tinydrm_fops
+
+/**
+ * TINYDRM_MODE - tinydrm display mode
+ * @hd: Horizontal resolution, width
+ * @vd: Vertical resolution, height
+ * @hd_mm: Display width in millimeters
+ * @vd_mm: Display height in millimeters
+ *
+ * This macro creates a &drm_display_mode for use with tinydrm.
+ */
+#define TINYDRM_MODE(hd, vd, hd_mm, vd_mm) \
+ .hdisplay = (hd), \
+ .hsync_start = (hd), \
+ .hsync_end = (hd), \
+ .htotal = (hd), \
+ .vdisplay = (vd), \
+ .vsync_start = (vd), \
+ .vsync_end = (vd), \
+ .vtotal = (vd), \
+ .width_mm = (hd_mm), \
+ .height_mm = (vd_mm), \
+ .type = DRM_MODE_TYPE_DRIVER, \
+ .clock = 1 /* pass validation */
+
+extern const struct file_operations tinydrm_fops;
+void tinydrm_lastclose(struct drm_device *drm);
+void tinydrm_gem_cma_free_object(struct drm_gem_object *gem_obj);
+struct drm_gem_object *
+tinydrm_gem_cma_prime_import_sg_table(struct drm_device *drm,
+ struct dma_buf_attachment *attach,
+ struct sg_table *sgt);
+int devm_tinydrm_init(struct device *parent, struct tinydrm_device *tdev,
+ const struct drm_framebuffer_funcs *fb_funcs,
+ struct drm_driver *driver);
+int devm_tinydrm_register(struct tinydrm_device *tdev);
+void tinydrm_shutdown(struct tinydrm_device *tdev);
+int tinydrm_suspend(struct tinydrm_device *tdev);
+int tinydrm_resume(struct tinydrm_device *tdev);
+
+void tinydrm_display_pipe_update(struct drm_simple_display_pipe *pipe,
+ struct drm_plane_state *old_state);
+int tinydrm_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
+ struct drm_plane_state *plane_state);
+int
+tinydrm_display_pipe_init(struct tinydrm_device *tdev,
+ const struct drm_simple_display_pipe_funcs *funcs,
+ int connector_type,
+ const uint32_t *formats,
+ unsigned int format_count,
+ const struct drm_display_mode *mode,
+ unsigned int rotation);
+
+#endif /* __LINUX_TINYDRM_H */
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 9a465314572c..8f619f499e55 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -215,6 +215,8 @@ struct ttm_buffer_object {
struct drm_vma_offset_node vma_node;
+ unsigned priority;
+
/**
* Special members that are protected by the reserve lock
* and the bo::lock when written to. Can be read with
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index feecf33a1212..8145773c582c 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -42,6 +42,8 @@
#include <linux/spinlock.h>
#include <linux/reservation.h>
+#define TTM_MAX_BO_PRIORITY 16U
+
struct ttm_backend_func {
/**
* struct ttm_backend_func member bind
@@ -298,7 +300,7 @@ struct ttm_mem_type_manager {
* Protected by the global->lru_lock.
*/
- struct list_head lru;
+ struct list_head lru[TTM_MAX_BO_PRIORITY];
/*
* Protected by @move_lock.
@@ -431,9 +433,15 @@ struct ttm_bo_driver {
int (*verify_access)(struct ttm_buffer_object *bo,
struct file *filp);
- /* hook to notify driver about a driver move so it
- * can do tiling things */
+ /**
+ * Hook to notify driver about a driver move so it
+ * can do tiling things and book-keeping.
+ *
+ * @evict: whether this move is evicting the buffer from the graphics
+ * address space
+ */
void (*move_notify)(struct ttm_buffer_object *bo,
+ bool evict,
struct ttm_mem_reg *new_mem);
/* notify the driver we are taking a fault on this BO
* and have reserved it */
@@ -454,18 +462,6 @@ struct ttm_bo_driver {
struct ttm_mem_reg *mem);
void (*io_mem_free)(struct ttm_bo_device *bdev,
struct ttm_mem_reg *mem);
-
- /**
- * Optional driver callback for when BO is removed from the LRU.
- * Called with LRU lock held immediately before the removal.
- */
- void (*lru_removal)(struct ttm_buffer_object *bo);
-
- /**
- * Return the list_head after which a BO should be inserted in the LRU.
- */
- struct list_head *(*lru_tail)(struct ttm_buffer_object *bo);
- struct list_head *(*swap_lru_tail)(struct ttm_buffer_object *bo);
};
/**
@@ -512,7 +508,7 @@ struct ttm_bo_global {
/**
* Protected by the lru_lock.
*/
- struct list_head swap_lru;
+ struct list_head swap_lru[TTM_MAX_BO_PRIORITY];
/**
* Internal protection.
@@ -780,9 +776,6 @@ extern void ttm_mem_io_unlock(struct ttm_mem_type_manager *man);
extern void ttm_bo_del_sub_from_lru(struct ttm_buffer_object *bo);
extern void ttm_bo_add_to_lru(struct ttm_buffer_object *bo);
-struct list_head *ttm_bo_default_lru_tail(struct ttm_buffer_object *bo);
-struct list_head *ttm_bo_default_swap_lru_tail(struct ttm_buffer_object *bo);
-
/**
* __ttm_bo_reserve:
*