diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/bridge/mhl.h | 4 | ||||
| -rw-r--r-- | include/drm/drm_fb_helper.h | 27 | ||||
| -rw-r--r-- | include/drm/drm_hdcp.h | 6 | ||||
| -rw-r--r-- | include/drm/drm_pci.h | 11 | ||||
| -rw-r--r-- | include/drm/drm_simple_kms_helper.h | 4 | ||||
| -rw-r--r-- | include/linux/dma-buf.h | 97 | ||||
| -rw-r--r-- | include/linux/platform_data/simplefb.h | 2 | ||||
| -rw-r--r-- | include/video/mmp_disp.h | 2 |
8 files changed, 86 insertions, 67 deletions
diff --git a/include/drm/bridge/mhl.h b/include/drm/bridge/mhl.h index 1cc77bf38324..d96626a0e3fa 100644 --- a/include/drm/bridge/mhl.h +++ b/include/drm/bridge/mhl.h @@ -327,13 +327,13 @@ struct mhl_burst_bits_per_pixel_fmt { struct { u8 stream_id; u8 pixel_format; - } __packed desc[0]; + } __packed desc[]; } __packed; struct mhl_burst_emsc_support { struct mhl3_burst_header hdr; u8 num_entries; - __be16 burst_id[0]; + __be16 burst_id[]; } __packed; struct mhl_burst_audio_descr { diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 1c6633da0f91..208dbf87afa3 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -213,8 +213,7 @@ drm_fb_helper_from_client(struct drm_client_dev *client) #ifdef CONFIG_DRM_FBDEV_EMULATION 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 max_conn); +int drm_fb_helper_init(struct drm_device *dev, struct drm_fb_helper *helper); 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, @@ -279,8 +278,7 @@ 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 max_conn) + struct drm_fb_helper *helper) { /* So drivers can use it to free the struct */ helper->dev = dev; @@ -453,27 +451,6 @@ drm_fbdev_generic_setup(struct drm_device *dev, unsigned int preferred_bpp) #endif -/* TODO: There's a todo entry to remove these three */ -static inline int -drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper) -{ - return 0; -} - -static inline int -drm_fb_helper_add_one_connector(struct drm_fb_helper *fb_helper, - struct drm_connector *connector) -{ - return 0; -} - -static inline int -drm_fb_helper_remove_one_connector(struct drm_fb_helper *fb_helper, - struct drm_connector *connector) -{ - return 0; -} - /** * drm_fb_helper_remove_conflicting_framebuffers - remove firmware-configured framebuffers * @a: memory range, users of which are to be removed diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h index 06a11202a097..c6bab4986a65 100644 --- a/include/drm/drm_hdcp.h +++ b/include/drm/drm_hdcp.h @@ -276,7 +276,7 @@ void drm_hdcp_cpu_to_be24(u8 seq_num[HDCP_2_2_SEQ_NUM_LEN], u32 val) #define DRM_HDCP_2_VRL_LENGTH_SIZE 3 #define DRM_HDCP_2_DCP_SIG_SIZE 384 #define DRM_HDCP_2_NO_OF_DEV_PLUS_RESERVED_SZ 4 -#define DRM_HDCP_2_KSV_COUNT_2_LSBITS(byte) (((byte) & 0xC) >> 6) +#define DRM_HDCP_2_KSV_COUNT_2_LSBITS(byte) (((byte) & 0xC0) >> 6) struct hdcp_srm_header { u8 srm_id; @@ -288,8 +288,8 @@ struct hdcp_srm_header { struct drm_device; struct drm_connector; -bool drm_hdcp_check_ksvs_revoked(struct drm_device *dev, - u8 *ksvs, u32 ksv_count); +int drm_hdcp_check_ksvs_revoked(struct drm_device *dev, + u8 *ksvs, u32 ksv_count); int drm_connector_attach_content_protection_property( struct drm_connector *connector, bool hdcp_content_type); void drm_hdcp_update_content_protection(struct drm_connector *connector, diff --git a/include/drm/drm_pci.h b/include/drm/drm_pci.h index 9031e217b506..3941b0255ecf 100644 --- a/include/drm/drm_pci.h +++ b/include/drm/drm_pci.h @@ -45,10 +45,6 @@ struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size, size_t align); void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah); -int drm_get_pci_dev(struct pci_dev *pdev, - const struct pci_device_id *ent, - struct drm_driver *driver); - #else static inline struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, @@ -62,13 +58,6 @@ static inline void drm_pci_free(struct drm_device *dev, { } -static inline int drm_get_pci_dev(struct pci_dev *pdev, - const struct pci_device_id *ent, - struct drm_driver *driver) -{ - return -ENOSYS; -} - #endif #endif /* _DRM_PCI_H_ */ diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h index e253ba7bea9d..a026375464ff 100644 --- a/include/drm/drm_simple_kms_helper.h +++ b/include/drm/drm_simple_kms_helper.h @@ -181,4 +181,8 @@ int drm_simple_display_pipe_init(struct drm_device *dev, const uint64_t *format_modifiers, struct drm_connector *connector); +int drm_simple_encoder_init(struct drm_device *dev, + struct drm_encoder *encoder, + int encoder_type); + #endif /* __LINUX_DRM_SIMPLE_KMS_HELPER_H */ diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index abf5459a5b9d..1ade486fc2bb 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -43,18 +43,6 @@ struct dma_buf_ops { bool cache_sgt_mapping; /** - * @dynamic_mapping: - * - * If true the framework makes sure that the map/unmap_dma_buf - * callbacks are always called with the dma_resv object locked. - * - * If false the framework makes sure that the map/unmap_dma_buf - * callbacks are always called without the dma_resv object locked. - * Mutual exclusive with @cache_sgt_mapping. - */ - bool dynamic_mapping; - - /** * @attach: * * This is called from dma_buf_attach() to make sure that a given @@ -94,13 +82,42 @@ struct dma_buf_ops { void (*detach)(struct dma_buf *, struct dma_buf_attachment *); /** + * @pin: + * + * This is called by dma_buf_pin and lets the exporter know that the + * DMA-buf can't be moved any more. + * + * This is called with the dmabuf->resv object locked and is mutual + * exclusive with @cache_sgt_mapping. + * + * This callback is optional and should only be used in limited use + * cases like scanout and not for temporary pin operations. + * + * Returns: + * + * 0 on success, negative error code on failure. + */ + int (*pin)(struct dma_buf_attachment *attach); + + /** + * @unpin: + * + * This is called by dma_buf_unpin and lets the exporter know that the + * DMA-buf can be moved again. + * + * This is called with the dmabuf->resv object locked and is mutual + * exclusive with @cache_sgt_mapping. + * + * This callback is optional. + */ + void (*unpin)(struct dma_buf_attachment *attach); + + /** * @map_dma_buf: * * This is called by dma_buf_map_attachment() and is used to map a * shared &dma_buf into device address space, and it is mandatory. It - * can only be called if @attach has been called successfully. This - * essentially pins the DMA buffer into place, and it cannot be moved - * any more + * can only be called if @attach has been called successfully. * * This call may sleep, e.g. when the backing storage first needs to be * allocated, or moved to a location suitable for all currently attached @@ -141,9 +158,8 @@ struct dma_buf_ops { * * This is called by dma_buf_unmap_attachment() and should unmap and * release the &sg_table allocated in @map_dma_buf, and it is mandatory. - * It should also unpin the backing storage if this is the last mapping - * of the DMA buffer, it the exporter supports backing storage - * migration. + * For static dma_buf handling this might also unpins the backing + * storage if this is the last mapping of the DMA buffer. */ void (*unmap_dma_buf)(struct dma_buf_attachment *, struct sg_table *, @@ -312,6 +328,34 @@ struct dma_buf { }; /** + * struct dma_buf_attach_ops - importer operations for an attachment + * @move_notify: [optional] notification that the DMA-buf is moving + * + * Attachment operations implemented by the importer. + */ +struct dma_buf_attach_ops { + /** + * @move_notify + * + * If this callback is provided the framework can avoid pinning the + * backing store while mappings exists. + * + * This callback is called with the lock of the reservation object + * associated with the dma_buf held and the mapping function must be + * called with this lock held as well. This makes sure that no mapping + * is created concurrently with an ongoing move operation. + * + * Mappings stay valid and are not directly affected by this callback. + * But the DMA-buf can now be in a different physical location, so all + * mappings should be destroyed and re-created as soon as possible. + * + * New mappings can be created after this callback returns, and will + * point to the new location of the DMA-buf. + */ + void (*move_notify)(struct dma_buf_attachment *attach); +}; + +/** * struct dma_buf_attachment - holds device-buffer attachment data * @dmabuf: buffer for this attachment. * @dev: device attached to the buffer. @@ -319,8 +363,9 @@ struct dma_buf { * @sgt: cached mapping. * @dir: direction of cached mapping. * @priv: exporter specific attachment data. - * @dynamic_mapping: true if dma_buf_map/unmap_attachment() is called with the - * dma_resv lock held. + * @importer_ops: importer operations for this attachment, if provided + * dma_buf_map/unmap_attachment() must be called with the dma_resv lock held. + * @importer_priv: importer specific attachment data. * * This structure holds the attachment information between the dma_buf buffer * and its user device(s). The list contains one attachment struct per device @@ -337,7 +382,8 @@ struct dma_buf_attachment { struct list_head node; struct sg_table *sgt; enum dma_data_direction dir; - bool dynamic_mapping; + const struct dma_buf_attach_ops *importer_ops; + void *importer_priv; void *priv; }; @@ -399,7 +445,7 @@ static inline void get_dma_buf(struct dma_buf *dmabuf) */ static inline bool dma_buf_is_dynamic(struct dma_buf *dmabuf) { - return dmabuf->ops->dynamic_mapping; + return !!dmabuf->ops->pin; } /** @@ -413,16 +459,19 @@ static inline bool dma_buf_is_dynamic(struct dma_buf *dmabuf) static inline bool dma_buf_attachment_is_dynamic(struct dma_buf_attachment *attach) { - return attach->dynamic_mapping; + return !!attach->importer_ops; } struct dma_buf_attachment *dma_buf_attach(struct dma_buf *dmabuf, struct device *dev); struct dma_buf_attachment * dma_buf_dynamic_attach(struct dma_buf *dmabuf, struct device *dev, - bool dynamic_mapping); + const struct dma_buf_attach_ops *importer_ops, + void *importer_priv); void dma_buf_detach(struct dma_buf *dmabuf, struct dma_buf_attachment *attach); +int dma_buf_pin(struct dma_buf_attachment *attach); +void dma_buf_unpin(struct dma_buf_attachment *attach); struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info); diff --git a/include/linux/platform_data/simplefb.h b/include/linux/platform_data/simplefb.h index 4f733a411d18..ca8337695c2a 100644 --- a/include/linux/platform_data/simplefb.h +++ b/include/linux/platform_data/simplefb.h @@ -10,7 +10,7 @@ #include <drm/drm_fourcc.h> #include <linux/fb.h> -#include <linux/kernel.h> +#include <linux/types.h> /* format array, use it to initialize a "struct simplefb_format" array */ #define SIMPLEFB_FORMATS \ diff --git a/include/video/mmp_disp.h b/include/video/mmp_disp.h index 1f9bc133e230..77252cb46361 100644 --- a/include/video/mmp_disp.h +++ b/include/video/mmp_disp.h @@ -231,7 +231,7 @@ struct mmp_path { /* layers */ int overlay_num; - struct mmp_overlay overlays[0]; + struct mmp_overlay overlays[]; }; extern struct mmp_path *mmp_get_path(const char *name); |