diff options
Diffstat (limited to 'include/drm')
30 files changed, 769 insertions, 153 deletions
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h index b4ca970a5b75..c402364aec0d 100644 --- a/include/drm/bridge/dw_hdmi.h +++ b/include/drm/bridge/dw_hdmi.h @@ -150,6 +150,8 @@ struct dw_hdmi *dw_hdmi_bind(struct platform_device *pdev, struct drm_encoder *encoder, const struct dw_hdmi_plat_data *plat_data); +void dw_hdmi_resume(struct dw_hdmi *hdmi); + void dw_hdmi_setup_rx_sense(struct dw_hdmi *hdmi, bool hpd, bool rx_sense); void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate); diff --git a/include/drm/bridge/dw_mipi_dsi.h b/include/drm/bridge/dw_mipi_dsi.h index 0c33b9e9e0f0..94cc64a342e1 100644 --- a/include/drm/bridge/dw_mipi_dsi.h +++ b/include/drm/bridge/dw_mipi_dsi.h @@ -9,10 +9,20 @@ #ifndef __DW_MIPI_DSI__ #define __DW_MIPI_DSI__ +#include <linux/types.h> + +#include <drm/drm_modes.h> + +struct drm_display_mode; +struct drm_encoder; struct dw_mipi_dsi; +struct mipi_dsi_device; +struct platform_device; struct dw_mipi_dsi_phy_ops { int (*init)(void *priv_data); + void (*power_on)(void *priv_data); + void (*power_off)(void *priv_data); int (*get_lane_mbps)(void *priv_data, const struct drm_display_mode *mode, unsigned long mode_flags, u32 lanes, u32 format, diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index e937ff2beb04..927e1205d7aa 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -459,6 +459,13 @@ struct drm_private_state * drm_atomic_get_new_private_obj_state(struct drm_atomic_state *state, struct drm_private_obj *obj); +struct drm_connector * +drm_atomic_get_old_connector_for_encoder(struct drm_atomic_state *state, + struct drm_encoder *encoder); +struct drm_connector * +drm_atomic_get_new_connector_for_encoder(struct drm_atomic_state *state, + struct drm_encoder *encoder); + /** * drm_atomic_get_existing_crtc_state - get crtc state, if it exists * @state: global atomic state object @@ -950,4 +957,19 @@ drm_atomic_crtc_needs_modeset(const struct drm_crtc_state *state) state->connectors_changed; } +/** + * drm_atomic_crtc_effectively_active - compute whether crtc is actually active + * @state: &drm_crtc_state for the CRTC + * + * When in self refresh mode, the crtc_state->active value will be false, since + * the crtc is off. However in some cases we're interested in whether the crtc + * is active, or effectively active (ie: it's connected to an active display). + * In these cases, use this function instead of just checking active. + */ +static inline bool +drm_atomic_crtc_effectively_active(const struct drm_crtc_state *state) +{ + return state->active || state->self_refresh_active; +} + #endif /* DRM_ATOMIC_H_ */ diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index 58214be3bf3d..bf4e07141d81 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -117,12 +117,8 @@ int drm_atomic_helper_update_plane(struct drm_plane *plane, struct drm_modeset_acquire_ctx *ctx); int drm_atomic_helper_disable_plane(struct drm_plane *plane, struct drm_modeset_acquire_ctx *ctx); -int __drm_atomic_helper_disable_plane(struct drm_plane *plane, - struct drm_plane_state *plane_state); int drm_atomic_helper_set_config(struct drm_mode_set *set, struct drm_modeset_acquire_ctx *ctx); -int __drm_atomic_helper_set_config(struct drm_mode_set *set, - struct drm_atomic_state *state); int drm_atomic_helper_disable_all(struct drm_device *dev, struct drm_modeset_acquire_ctx *ctx); diff --git a/include/drm/drm_atomic_state_helper.h b/include/drm/drm_atomic_state_helper.h index 66c92cbd8e16..4e6d2e7a40b8 100644 --- a/include/drm/drm_atomic_state_helper.h +++ b/include/drm/drm_atomic_state_helper.h @@ -37,6 +37,8 @@ struct drm_private_state; struct drm_modeset_acquire_ctx; struct drm_device; +void __drm_atomic_helper_crtc_reset(struct drm_crtc *crtc, + struct drm_crtc_state *state); void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc); void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc, struct drm_crtc_state *state); diff --git a/include/drm/drm_auth.h b/include/drm/drm_auth.h index 871008118bab..6bf8b2b78991 100644 --- a/include/drm/drm_auth.h +++ b/include/drm/drm_auth.h @@ -1,3 +1,6 @@ +#ifndef _DRM_AUTH_H_ +#define _DRM_AUTH_H_ + /* * Internal Header for the Direct Rendering Manager * @@ -25,8 +28,12 @@ * OTHER DEALINGS IN THE SOFTWARE. */ -#ifndef _DRM_AUTH_H_ -#define _DRM_AUTH_H_ +#include <linux/idr.h> +#include <linux/kref.h> +#include <linux/wait.h> + +struct drm_file; +struct drm_hw_lock; /* * Legacy DRI1 locking data structure. Only here instead of in drm_legacy.h for diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index d4428913a4e1..7616f6562fe4 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -237,6 +237,103 @@ struct drm_bridge_funcs { * The enable callback is optional. */ void (*enable)(struct drm_bridge *bridge); + + /** + * @atomic_pre_enable: + * + * 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 @atomic_pre_enable or @pre_enable function. If the preceding + * element is a &drm_encoder it's called right before the encoder's + * &drm_encoder_helper_funcs.atomic_enable 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 + * not enable the display link feeding the next bridge in the chain (if + * there is one) when this callback is called. + * + * Note that this function will only be invoked in the context of an + * atomic commit. It will not be invoked from &drm_bridge_pre_enable. It + * would be prudent to also provide an implementation of @pre_enable if + * you are expecting driver calls into &drm_bridge_pre_enable. + * + * The @atomic_pre_enable callback is optional. + */ + void (*atomic_pre_enable)(struct drm_bridge *bridge, + struct drm_atomic_state *state); + + /** + * @atomic_enable: + * + * 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 @atomic_enable or @enable function. If the preceding element + * is a &drm_encoder it's called right after the encoder's + * &drm_encoder_helper_funcs.atomic_enable 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 + * callback must enable the display link feeding the next bridge in the + * chain if there is one. + * + * Note that this function will only be invoked in the context of an + * atomic commit. It will not be invoked from &drm_bridge_enable. It + * would be prudent to also provide an implementation of @enable if + * you are expecting driver calls into &drm_bridge_enable. + * + * The enable callback is optional. + */ + void (*atomic_enable)(struct drm_bridge *bridge, + struct drm_atomic_state *state); + /** + * @atomic_disable: + * + * 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 @atomic_disable or @disable vfunc. If the preceding element + * is a &drm_encoder it's called right before the + * &drm_encoder_helper_funcs.atomic_disable 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. + * + * Note that this function will only be invoked in the context of an + * atomic commit. It will not be invoked from &drm_bridge_disable. It + * would be prudent to also provide an implementation of @disable if + * you are expecting driver calls into &drm_bridge_disable. + * + * The disable callback is optional. + */ + void (*atomic_disable)(struct drm_bridge *bridge, + struct drm_atomic_state *state); + + /** + * @atomic_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 + * @atomic_post_disable or @post_disable function. If the preceding + * element is a &drm_encoder it's called right after the encoder's + * &drm_encoder_helper_funcs.atomic_disable hook. + * + * The bridge must assume that the display pipe (i.e. clocks and timing + * signals) feeding it is no longer running when this callback is + * called. + * + * Note that this function will only be invoked in the context of an + * atomic commit. It will not be invoked from &drm_bridge_post_disable. + * It would be prudent to also provide an implementation of + * @post_disable if you are expecting driver calls into + * &drm_bridge_post_disable. + * + * The post_disable callback is optional. + */ + void (*atomic_post_disable)(struct drm_bridge *bridge, + struct drm_atomic_state *state); }; /** @@ -265,6 +362,14 @@ struct drm_bridge_timings { * input signal after the clock edge. */ u32 hold_time_ps; + /** + * @dual_link: + * + * True if the bus operates in dual-link mode. The exact meaning is + * dependent on the bus type. For LVDS buses, this indicates that even- + * and odd-numbered pixels are received on separate links. + */ + bool dual_link; }; /** @@ -314,6 +419,15 @@ void drm_bridge_mode_set(struct drm_bridge *bridge, void drm_bridge_pre_enable(struct drm_bridge *bridge); void drm_bridge_enable(struct drm_bridge *bridge); +void drm_atomic_bridge_disable(struct drm_bridge *bridge, + struct drm_atomic_state *state); +void drm_atomic_bridge_post_disable(struct drm_bridge *bridge, + struct drm_atomic_state *state); +void drm_atomic_bridge_pre_enable(struct drm_bridge *bridge, + struct drm_atomic_state *state); +void drm_atomic_bridge_enable(struct drm_bridge *bridge, + struct drm_atomic_state *state); + #ifdef CONFIG_DRM_PANEL_BRIDGE struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel, u32 connector_type); diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h index 268b2cf0052a..f2d5ed745733 100644 --- a/include/drm/drm_client.h +++ b/include/drm/drm_client.h @@ -3,8 +3,13 @@ #ifndef _DRM_CLIENT_H_ #define _DRM_CLIENT_H_ +#include <linux/lockdep.h> +#include <linux/mutex.h> #include <linux/types.h> +#include <drm/drm_connector.h> +#include <drm/drm_crtc.h> + struct drm_client_dev; struct drm_device; struct drm_file; @@ -85,6 +90,16 @@ struct drm_client_dev { * @file: DRM file */ struct drm_file *file; + + /** + * @modeset_mutex: Protects @modesets. + */ + struct mutex modeset_mutex; + + /** + * @modesets: CRTC configurations + */ + struct drm_mode_set *modesets; }; int drm_client_init(struct drm_device *dev, struct drm_client_dev *client, @@ -135,6 +150,37 @@ struct drm_client_buffer * drm_client_framebuffer_create(struct drm_client_dev *client, u32 width, u32 height, u32 format); void drm_client_framebuffer_delete(struct drm_client_buffer *buffer); +int drm_client_modeset_create(struct drm_client_dev *client); +void drm_client_modeset_free(struct drm_client_dev *client); +int drm_client_modeset_probe(struct drm_client_dev *client, unsigned int width, unsigned int height); +bool drm_client_panel_rotation(struct drm_mode_set *modeset, unsigned int *rotation); +int drm_client_modeset_commit_force(struct drm_client_dev *client); +int drm_client_modeset_commit(struct drm_client_dev *client); +int drm_client_modeset_dpms(struct drm_client_dev *client, int mode); + +/** + * drm_client_for_each_modeset() - Iterate over client modesets + * @modeset: &drm_mode_set loop cursor + * @client: DRM client + */ +#define drm_client_for_each_modeset(modeset, client) \ + for (({ lockdep_assert_held(&(client)->modeset_mutex); }), \ + modeset = (client)->modesets; modeset->crtc; modeset++) + +/** + * drm_client_for_each_connector_iter - connector_list iterator macro + * @connector: &struct drm_connector pointer used as cursor + * @iter: &struct drm_connector_list_iter + * + * This iterates the connectors that are useable for internal clients (excludes + * writeback connectors). + * + * For more info see drm_for_each_connector_iter(). + */ +#define drm_client_for_each_connector_iter(connector, iter) \ + drm_for_each_connector_iter(connector, iter) \ + if (connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK) + int drm_client_debugfs_init(struct drm_minor *minor); #endif diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 02a131202add..c6f8486d8b8f 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -517,6 +517,15 @@ struct drm_connector_state { * Used by the atomic helpers to select the encoder, through the * &drm_connector_helper_funcs.atomic_best_encoder or * &drm_connector_helper_funcs.best_encoder callbacks. + * + * This is also used in the atomic helpers to map encoders to their + * current and previous connectors, see + * &drm_atomic_get_old_connector_for_encoder() and + * &drm_atomic_get_new_connector_for_encoder(). + * + * NOTE: Atomic drivers must fill this out (either themselves or through + * helpers), for otherwise the GETCONNECTOR and GETENCODER IOCTLs will + * not return correct data to userspace. */ struct drm_encoder *best_encoder; @@ -540,6 +549,20 @@ struct drm_connector_state { struct drm_tv_connector_state tv; /** + * @self_refresh_aware: + * + * This tracks whether a connector is aware of the self refresh state. + * It should be set to true for those connector implementations which + * understand the self refresh state. This is needed since the crtc + * registers the self refresh helpers and it doesn't know if the + * connectors downstream have implemented self refresh entry/exit. + * + * Drivers should set this to true in atomic_check if they know how to + * handle self_refresh requests. + */ + bool self_refresh_aware; + + /** * @picture_aspect_ratio: Connector property to control the * HDMI infoframe aspect ratio setting. * @@ -599,6 +622,12 @@ struct drm_connector_state { * and the connector bpc limitations obtained from edid. */ u8 max_bpc; + + /** + * @hdr_output_metadata: + * DRM blob property for HDR output metadata + */ + struct drm_property_blob *hdr_output_metadata; }; /** @@ -1062,12 +1091,6 @@ struct drm_connector { struct drm_property *vrr_capable_property; /** - * @content_protection_property: DRM ENUM property for content - * protection. See drm_connector_attach_content_protection_property(). - */ - struct drm_property *content_protection_property; - - /** * @colorspace_property: Connector property to set the suitable * colorspace supported by the sink. */ @@ -1239,6 +1262,9 @@ struct drm_connector { * &drm_mode_config.connector_free_work. */ struct llist_node free_node; + + /** @hdr_sink_metadata: HDR Metadata Information read from sink */ + struct hdr_sink_metadata hdr_sink_metadata; }; #define obj_to_connector(x) container_of(x, struct drm_connector, base) @@ -1345,8 +1371,6 @@ int drm_connector_attach_scaling_mode_property(struct drm_connector *connector, u32 scaling_mode_mask); int drm_connector_attach_vrr_capable_property( struct drm_connector *connector); -int drm_connector_attach_content_protection_property( - struct drm_connector *connector); int drm_mode_create_aspect_ratio_property(struct drm_device *dev); int drm_mode_create_colorspace_property(struct drm_connector *connector); int drm_mode_create_content_type_property(struct drm_device *dev); diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 58ad983d7cd6..128d8b210621 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -39,6 +39,7 @@ #include <drm/drm_framebuffer.h> #include <drm/drm_modes.h> #include <drm/drm_connector.h> +#include <drm/drm_device.h> #include <drm/drm_property.h> #include <drm/drm_bridge.h> #include <drm/drm_edid.h> @@ -53,6 +54,7 @@ struct drm_mode_set; struct drm_file; struct drm_clip_rect; struct drm_printer; +struct drm_self_refresh_data; struct device_node; struct dma_fence; struct edid; @@ -300,6 +302,17 @@ struct drm_crtc_state { bool vrr_enabled; /** + * @self_refresh_active: + * + * Used by the self refresh helpers to denote when a self refresh + * transition is occurring. This will be set on enable/disable callbacks + * when self refresh is being enabled or disabled. In some cases, it may + * not be desirable to fully shut off the crtc during self refresh. + * CRTC's can inspect this flag and determine the best course of action. + */ + bool self_refresh_active; + + /** * @event: * * Optional pointer to a DRM event to signal upon completion of the @@ -1087,6 +1100,13 @@ struct drm_crtc { * The name of the CRTC's fence timeline. */ char timeline_name[32]; + + /** + * @self_refresh_data: Holds the state for the self refresh helpers + * + * Initialized via drm_self_refresh_helper_register(). + */ + struct drm_self_refresh_data *self_refresh_data; }; /** diff --git a/include/drm/drm_debugfs.h b/include/drm/drm_debugfs.h index ac0f75df1ac9..7501e323d383 100644 --- a/include/drm/drm_debugfs.h +++ b/include/drm/drm_debugfs.h @@ -32,6 +32,8 @@ #ifndef _DRM_DEBUGFS_H_ #define _DRM_DEBUGFS_H_ +#include <linux/types.h> +#include <linux/seq_file.h> /** * struct drm_info_list - debugfs info list entry * diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h index 7f9ef709b2b6..1acfc3bbd3fb 100644 --- a/include/drm/drm_device.h +++ b/include/drm/drm_device.h @@ -17,6 +17,7 @@ struct drm_vblank_crtc; struct drm_sg_mem; struct drm_local_map; struct drm_vma_offset_manager; +struct drm_vram_mm; struct drm_fb_helper; struct inode; @@ -286,6 +287,9 @@ struct drm_device { /** @vma_offset_manager: GEM information */ struct drm_vma_offset_manager *vma_offset_manager; + /** @vram_mm: VRAM MM memory manager */ + struct drm_vram_mm *vram_mm; + /** * @switch_power_state: * diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h index 97ce790a5b5a..3fc534ee8174 100644 --- a/include/drm/drm_dp_helper.h +++ b/include/drm/drm_dp_helper.h @@ -1083,17 +1083,30 @@ struct dp_sdp_header { #define EDP_SDP_HEADER_VALID_PAYLOAD_BYTES 0x1F #define DP_SDP_PPS_HEADER_PAYLOAD_BYTES_MINUS_1 0x7F -struct edp_vsc_psr { +/** + * struct dp_sdp - DP secondary data packet + * @sdp_header: DP secondary data packet header + * @db: DP secondaray data packet data blocks + * VSC SDP Payload for PSR + * db[0]: Stereo Interface + * db[1]: 0 - PSR State; 1 - Update RFB; 2 - CRC Valid + * db[2]: CRC value bits 7:0 of the R or Cr component + * db[3]: CRC value bits 15:8 of the R or Cr component + * db[4]: CRC value bits 7:0 of the G or Y component + * db[5]: CRC value bits 15:8 of the G or Y component + * db[6]: CRC value bits 7:0 of the B or Cb component + * db[7]: CRC value bits 15:8 of the B or Cb component + * db[8] - db[31]: Reserved + * VSC SDP Payload for Pixel Encoding/Colorimetry Format + * db[0] - db[15]: Reserved + * db[16]: Pixel Encoding and Colorimetry Formats + * db[17]: Dynamic Range and Component Bit Depth + * db[18]: Content Type + * db[19] - db[31]: Reserved + */ +struct dp_sdp { struct dp_sdp_header sdp_header; - u8 DB0; /* Stereo Interface */ - u8 DB1; /* 0 - PSR State; 1 - Update RFB; 2 - CRC Valid */ - u8 DB2; /* CRC value bits 7:0 of the R or Cr component */ - u8 DB3; /* CRC value bits 15:8 of the R or Cr component */ - u8 DB4; /* CRC value bits 7:0 of the G or Y component */ - u8 DB5; /* CRC value bits 15:8 of the G or Y component */ - u8 DB6; /* CRC value bits 7:0 of the B or Cb component */ - u8 DB7; /* CRC value bits 15:8 of the B or Cb component */ - u8 DB8_31[24]; /* Reserved */ + u8 db[32]; } __packed; #define EDP_VSC_PSR_STATE_ACTIVE (1<<0) diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index c9ca0be54d9a..b9719418c3d2 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -25,6 +25,7 @@ #include <linux/types.h> #include <linux/hdmi.h> +#include <drm/drm_mode.h> struct drm_device; struct i2c_adapter; @@ -176,21 +177,23 @@ struct detailed_timing { #define DRM_EDID_INPUT_BLANK_TO_BLACK (1 << 4) #define DRM_EDID_INPUT_VIDEO_LEVEL (3 << 5) #define DRM_EDID_INPUT_DIGITAL (1 << 7) -#define DRM_EDID_DIGITAL_DEPTH_MASK (7 << 4) -#define DRM_EDID_DIGITAL_DEPTH_UNDEF (0 << 4) -#define DRM_EDID_DIGITAL_DEPTH_6 (1 << 4) -#define DRM_EDID_DIGITAL_DEPTH_8 (2 << 4) -#define DRM_EDID_DIGITAL_DEPTH_10 (3 << 4) -#define DRM_EDID_DIGITAL_DEPTH_12 (4 << 4) -#define DRM_EDID_DIGITAL_DEPTH_14 (5 << 4) -#define DRM_EDID_DIGITAL_DEPTH_16 (6 << 4) -#define DRM_EDID_DIGITAL_DEPTH_RSVD (7 << 4) -#define DRM_EDID_DIGITAL_TYPE_UNDEF (0) -#define DRM_EDID_DIGITAL_TYPE_DVI (1) -#define DRM_EDID_DIGITAL_TYPE_HDMI_A (2) -#define DRM_EDID_DIGITAL_TYPE_HDMI_B (3) -#define DRM_EDID_DIGITAL_TYPE_MDDI (4) -#define DRM_EDID_DIGITAL_TYPE_DP (5) +#define DRM_EDID_DIGITAL_DEPTH_MASK (7 << 4) /* 1.4 */ +#define DRM_EDID_DIGITAL_DEPTH_UNDEF (0 << 4) /* 1.4 */ +#define DRM_EDID_DIGITAL_DEPTH_6 (1 << 4) /* 1.4 */ +#define DRM_EDID_DIGITAL_DEPTH_8 (2 << 4) /* 1.4 */ +#define DRM_EDID_DIGITAL_DEPTH_10 (3 << 4) /* 1.4 */ +#define DRM_EDID_DIGITAL_DEPTH_12 (4 << 4) /* 1.4 */ +#define DRM_EDID_DIGITAL_DEPTH_14 (5 << 4) /* 1.4 */ +#define DRM_EDID_DIGITAL_DEPTH_16 (6 << 4) /* 1.4 */ +#define DRM_EDID_DIGITAL_DEPTH_RSVD (7 << 4) /* 1.4 */ +#define DRM_EDID_DIGITAL_TYPE_MASK (7 << 0) /* 1.4 */ +#define DRM_EDID_DIGITAL_TYPE_UNDEF (0 << 0) /* 1.4 */ +#define DRM_EDID_DIGITAL_TYPE_DVI (1 << 0) /* 1.4 */ +#define DRM_EDID_DIGITAL_TYPE_HDMI_A (2 << 0) /* 1.4 */ +#define DRM_EDID_DIGITAL_TYPE_HDMI_B (3 << 0) /* 1.4 */ +#define DRM_EDID_DIGITAL_TYPE_MDDI (4 << 0) /* 1.4 */ +#define DRM_EDID_DIGITAL_TYPE_DP (5 << 0) /* 1.4 */ +#define DRM_EDID_DIGITAL_DFP_1_X (1 << 0) /* 1.3 */ #define DRM_EDID_FEATURE_DEFAULT_GTF (1 << 0) #define DRM_EDID_FEATURE_PREFERRED_TIMING (1 << 1) @@ -370,6 +373,10 @@ drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame, const struct drm_display_mode *mode, enum hdmi_quantization_range rgb_quant_range); +int +drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame, + const struct drm_connector_state *conn_state); + /** * drm_eld_mnl - Get ELD monitor name length in bytes. * @eld: pointer to an eld memory structure with mnl set diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 40af2866c26a..c8a8ae2a678a 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -43,17 +43,6 @@ enum mode_set_atomic { ENTER_ATOMIC_MODE_SET, }; -struct drm_fb_offset { - int x, y; -}; - -struct drm_fb_helper_crtc { - struct drm_mode_set mode_set; - struct drm_display_mode *desired_mode; - int x, y; - int rotation; -}; - /** * struct drm_fb_helper_surface_size - describes fbdev size and scanout surface size * @fb_width: fbdev width @@ -104,18 +93,10 @@ struct drm_fb_helper_funcs { struct drm_fb_helper_surface_size *sizes); }; -struct drm_fb_helper_connector { - struct drm_connector *connector; -}; - /** * struct drm_fb_helper - main structure to emulate fbdev on top of KMS * @fb: Scanout framebuffer object * @dev: DRM device - * @crtc_count: number of possible CRTCs - * @crtc_info: per-CRTC helper state (mode, x/y offset, etc) - * @connector_count: number of connected connectors - * @connector_info_alloc_count: size of connector_info * @funcs: driver callbacks for fb helper * @fbdev: emulated fbdev device info struct * @pseudo_palette: fake palette of 16 colors @@ -147,24 +128,6 @@ struct drm_fb_helper { struct drm_framebuffer *fb; struct drm_device *dev; - int crtc_count; - struct drm_fb_helper_crtc *crtc_info; - int connector_count; - int connector_info_alloc_count; - /** - * @sw_rotations: - * Bitmask of all rotations requested for panel-orientation which - * could not be handled in hardware. If only one bit is set - * fbdev->fbcon_rotate_hint gets set to the requested rotation. - */ - int sw_rotations; - /** - * @connector_info: - * - * Array of per-connector information. Do not iterate directly, but use - * drm_fb_helper_for_each_connector. - */ - struct drm_fb_helper_connector **connector_info; const struct drm_fb_helper_funcs *funcs; struct fb_info *fbdev; u32 pseudo_palette[17]; @@ -304,18 +267,8 @@ int drm_fb_helper_ioctl(struct fb_info *info, unsigned int cmd, int drm_fb_helper_hotplug_event(struct drm_fb_helper *fb_helper); int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, int bpp_sel); -int drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper); int drm_fb_helper_debug_enter(struct fb_info *info); int drm_fb_helper_debug_leave(struct fb_info *info); -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 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, - struct drm_connector *connector); int drm_fb_helper_fbdev_setup(struct drm_device *dev, struct drm_fb_helper *fb_helper, @@ -490,12 +443,6 @@ static inline int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, return 0; } -static inline int -drm_fb_helper_single_add_all_connectors(struct drm_fb_helper *fb_helper) -{ - return 0; -} - static inline int drm_fb_helper_debug_enter(struct fb_info *info) { return 0; @@ -506,34 +453,6 @@ static inline int drm_fb_helper_debug_leave(struct fb_info *info) return 0; } -static inline struct drm_display_mode * -drm_has_preferred_mode(struct drm_fb_helper_connector *fb_connector, - int width, int height) -{ - return NULL; -} - -static inline struct drm_display_mode * -drm_pick_cmdline_mode(struct drm_fb_helper_connector *fb_helper_conn, - int width, int height) -{ - return NULL; -} - -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; -} - static inline int drm_fb_helper_fbdev_setup(struct drm_device *dev, struct drm_fb_helper *fb_helper, @@ -575,6 +494,27 @@ 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_fourcc.h b/include/drm/drm_fourcc.h index b3d9d88ab290..306d1efeb5e0 100644 --- a/include/drm/drm_fourcc.h +++ b/include/drm/drm_fourcc.h @@ -260,6 +260,50 @@ drm_format_info_is_yuv_sampling_444(const struct drm_format_info *info) return info->is_yuv && info->hsub == 1 && info->vsub == 1; } +/** + * drm_format_info_plane_width - width of the plane given the first plane + * @info: pixel format info + * @width: width of the first plane + * @plane: plane index + * + * Returns: + * The width of @plane, given that the width of the first plane is @width. + */ +static inline +int drm_format_info_plane_width(const struct drm_format_info *info, int width, + int plane) +{ + if (!info || plane >= info->num_planes) + return 0; + + if (plane == 0) + return width; + + return width / info->hsub; +} + +/** + * drm_format_info_plane_height - height of the plane given the first plane + * @info: pixel format info + * @height: height of the first plane + * @plane: plane index + * + * Returns: + * The height of @plane, given that the height of the first plane is @height. + */ +static inline +int drm_format_info_plane_height(const struct drm_format_info *info, int height, + int plane) +{ + if (!info || plane >= info->num_planes) + return 0; + + if (plane == 0) + return height; + + return height / info->vsub; +} + const struct drm_format_info *__drm_format_info(u32 format); const struct drm_format_info *drm_format_info(u32 format); const struct drm_format_info * @@ -268,12 +312,6 @@ drm_get_format_info(struct drm_device *dev, uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth); uint32_t drm_driver_legacy_fb_format(struct drm_device *dev, uint32_t bpp, uint32_t depth); -int drm_format_num_planes(uint32_t format); -int drm_format_plane_cpp(uint32_t format, int plane); -int drm_format_horz_chroma_subsampling(uint32_t format); -int drm_format_vert_chroma_subsampling(uint32_t format); -int drm_format_plane_width(int width, uint32_t format, int plane); -int drm_format_plane_height(int height, uint32_t format, int plane); unsigned int drm_format_info_block_width(const struct drm_format_info *info, int plane); unsigned int drm_format_info_block_height(const struct drm_format_info *info, diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h index c23016748e3f..c0e0256e3e98 100644 --- a/include/drm/drm_framebuffer.h +++ b/include/drm/drm_framebuffer.h @@ -87,6 +87,9 @@ struct drm_framebuffer_funcs { * for more information as all the semantics and arguments have a one to * one mapping on this function. * + * Atomic drivers should use drm_atomic_helper_dirtyfb() to implement + * this hook. + * * RETURNS: * * 0 on success or a negative error code on failure. diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h new file mode 100644 index 000000000000..9581ea0a4f7e --- /dev/null +++ b/include/drm/drm_gem_vram_helper.h @@ -0,0 +1,153 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifndef DRM_GEM_VRAM_HELPER_H +#define DRM_GEM_VRAM_HELPER_H + +#include <drm/drm_gem.h> +#include <drm/ttm/ttm_bo_api.h> +#include <drm/ttm/ttm_placement.h> +#include <linux/kernel.h> /* for container_of() */ + +struct drm_mode_create_dumb; +struct drm_vram_mm_funcs; +struct filp; +struct vm_area_struct; + +#define DRM_GEM_VRAM_PL_FLAG_VRAM TTM_PL_FLAG_VRAM +#define DRM_GEM_VRAM_PL_FLAG_SYSTEM TTM_PL_FLAG_SYSTEM + +/* + * Buffer-object helpers + */ + +/** + * struct drm_gem_vram_object - GEM object backed by VRAM + * @gem: GEM object + * @bo: TTM buffer object + * @kmap: Mapping information for @bo + * @placement: TTM placement information. Supported placements are \ + %TTM_PL_VRAM and %TTM_PL_SYSTEM + * @placements: TTM placement information. + * @pin_count: Pin counter + * + * The type struct drm_gem_vram_object represents a GEM object that is + * backed by VRAM. It can be used for simple framebuffer devices with + * dedicated memory. The buffer object can be evicted to system memory if + * video memory becomes scarce. + */ +struct drm_gem_vram_object { + struct drm_gem_object gem; + struct ttm_buffer_object bo; + struct ttm_bo_kmap_obj kmap; + + /* Supported placements are %TTM_PL_VRAM and %TTM_PL_SYSTEM */ + struct ttm_placement placement; + struct ttm_place placements[2]; + + int pin_count; +}; + +/** + * Returns the container of type &struct drm_gem_vram_object + * for field bo. + * @bo: the VRAM buffer object + * Returns: The containing GEM VRAM object + */ +static inline struct drm_gem_vram_object *drm_gem_vram_of_bo( + struct ttm_buffer_object *bo) +{ + return container_of(bo, struct drm_gem_vram_object, bo); +} + +/** + * Returns the container of type &struct drm_gem_vram_object + * for field gem. + * @gem: the GEM object + * Returns: The containing GEM VRAM object + */ +static inline struct drm_gem_vram_object *drm_gem_vram_of_gem( + struct drm_gem_object *gem) +{ + return container_of(gem, struct drm_gem_vram_object, gem); +} + +struct drm_gem_vram_object *drm_gem_vram_create(struct drm_device *dev, + struct ttm_bo_device *bdev, + size_t size, + unsigned long pg_align, + bool interruptible); +void drm_gem_vram_put(struct drm_gem_vram_object *gbo); +u64 drm_gem_vram_mmap_offset(struct drm_gem_vram_object *gbo); +s64 drm_gem_vram_offset(struct drm_gem_vram_object *gbo); +int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag); +int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo); +void *drm_gem_vram_kmap(struct drm_gem_vram_object *gbo, bool map, + bool *is_iomem); +void drm_gem_vram_kunmap(struct drm_gem_vram_object *gbo); + +int drm_gem_vram_fill_create_dumb(struct drm_file *file, + struct drm_device *dev, + struct ttm_bo_device *bdev, + unsigned long pg_align, + bool interruptible, + struct drm_mode_create_dumb *args); + +/* + * Helpers for struct ttm_bo_driver + */ + +void drm_gem_vram_bo_driver_evict_flags(struct ttm_buffer_object *bo, + struct ttm_placement *pl); + +int drm_gem_vram_bo_driver_verify_access(struct ttm_buffer_object *bo, + struct file *filp); + +extern const struct drm_vram_mm_funcs drm_gem_vram_mm_funcs; + +/* + * Helpers for struct drm_driver + */ + +void drm_gem_vram_driver_gem_free_object_unlocked(struct drm_gem_object *gem); +int drm_gem_vram_driver_dumb_create(struct drm_file *file, + struct drm_device *dev, + struct drm_mode_create_dumb *args); +int drm_gem_vram_driver_dumb_mmap_offset(struct drm_file *file, + struct drm_device *dev, + uint32_t handle, uint64_t *offset); + +/** + * define DRM_GEM_VRAM_DRIVER - default callback functions for \ + &struct drm_driver + * + * Drivers that use VRAM MM and GEM VRAM can use this macro to initialize + * &struct drm_driver with default functions. + */ +#define DRM_GEM_VRAM_DRIVER \ + .gem_free_object_unlocked = \ + drm_gem_vram_driver_gem_free_object_unlocked, \ + .dumb_create = drm_gem_vram_driver_dumb_create, \ + .dumb_map_offset = drm_gem_vram_driver_dumb_mmap_offset + +/* + * PRIME helpers for struct drm_driver + */ + +int drm_gem_vram_driver_gem_prime_pin(struct drm_gem_object *obj); +void drm_gem_vram_driver_gem_prime_unpin(struct drm_gem_object *obj); +void *drm_gem_vram_driver_gem_prime_vmap(struct drm_gem_object *obj); +void drm_gem_vram_driver_gem_prime_vunmap(struct drm_gem_object *obj, + void *vaddr); +int drm_gem_vram_driver_gem_prime_mmap(struct drm_gem_object *obj, + struct vm_area_struct *vma); + +#define DRM_GEM_VRAM_DRIVER_PRIME \ + .gem_prime_export = drm_gem_prime_export, \ + .gem_prime_import = drm_gem_prime_import, \ + .gem_prime_pin = drm_gem_vram_driver_gem_prime_pin, \ + .gem_prime_unpin = drm_gem_vram_driver_gem_prime_unpin, \ + .gem_prime_vmap = drm_gem_vram_driver_gem_prime_vmap, \ + .gem_prime_vunmap = drm_gem_vram_driver_gem_prime_vunmap, \ + .gem_prime_mmap = drm_gem_vram_driver_gem_prime_mmap + +#endif diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h index f243408ecf26..13771a496e2b 100644 --- a/include/drm/drm_hdcp.h +++ b/include/drm/drm_hdcp.h @@ -252,17 +252,44 @@ struct hdcp2_rep_stream_ready { * host format and back */ static inline -u32 drm_hdcp2_seq_num_to_u32(u8 seq_num[HDCP_2_2_SEQ_NUM_LEN]) +u32 drm_hdcp_be24_to_cpu(const u8 seq_num[HDCP_2_2_SEQ_NUM_LEN]) { return (u32)(seq_num[2] | seq_num[1] << 8 | seq_num[0] << 16); } static inline -void drm_hdcp2_u32_to_seq_num(u8 seq_num[HDCP_2_2_SEQ_NUM_LEN], u32 val) +void drm_hdcp_cpu_to_be24(u8 seq_num[HDCP_2_2_SEQ_NUM_LEN], u32 val) { seq_num[0] = val >> 16; seq_num[1] = val >> 8; seq_num[2] = val; } +#define DRM_HDCP_SRM_GEN1_MAX_BYTES (5 * 1024) +#define DRM_HDCP_1_4_SRM_ID 0x8 +#define DRM_HDCP_SRM_ID_MASK (0xF << 4) +#define DRM_HDCP_1_4_VRL_LENGTH_SIZE 3 +#define DRM_HDCP_1_4_DCP_SIG_SIZE 40 +#define DRM_HDCP_2_SRM_ID 0x9 +#define DRM_HDCP_2_INDICATOR 0x1 +#define DRM_HDCP_2_INDICATOR_MASK 0xF +#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) + +struct hdcp_srm_header { + u8 srm_id; + u8 reserved; + __be16 srm_version; + u8 srm_gen_no; +} __packed; + +struct drm_device; +struct drm_connector; + +bool 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); #endif diff --git a/include/drm/drm_legacy.h b/include/drm/drm_legacy.h index 2182a56ac421..58dc0c04bf99 100644 --- a/include/drm/drm_legacy.h +++ b/include/drm/drm_legacy.h @@ -1,11 +1,5 @@ #ifndef __DRM_DRM_LEGACY_H__ #define __DRM_DRM_LEGACY_H__ - -#include <drm/drm_auth.h> -#include <drm/drm_hashtab.h> - -struct drm_device; - /* * Legacy driver interfaces for the Direct Rendering Manager * @@ -39,6 +33,12 @@ struct drm_device; * OTHER DEALINGS IN THE SOFTWARE. */ +#include <drm/drm.h> +#include <drm/drm_auth.h> +#include <drm/drm_hashtab.h> + +struct drm_device; +struct file; /* * Legacy Support for palateontologic DRM drivers diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index 7f60e8eb269a..759d462d028b 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -836,6 +836,19 @@ struct drm_mode_config { */ struct drm_property *writeback_out_fence_ptr_property; + /** + * @hdr_output_metadata_property: Connector property containing hdr + * metatada. This will be provided by userspace compositors based + * on HDR content + */ + struct drm_property *hdr_output_metadata_property; + + /** + * @content_protection_property: DRM ENUM property for content + * protection. See drm_connector_attach_content_protection_property(). + */ + struct drm_property *content_protection_property; + /* dumb ioctl parameters */ uint32_t preferred_depth, prefer_shadow; diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h index f7bbd0b0ecd1..6b18c8adfe9d 100644 --- a/include/drm/drm_modeset_helper_vtables.h +++ b/include/drm/drm_modeset_helper_vtables.h @@ -680,6 +680,52 @@ struct drm_encoder_helper_funcs { struct drm_connector *connector); /** + * @atomic_disable: + * + * 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 their own &drm_crtc_helper_funcs.atomic_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 callback is a variant of @disable that provides the atomic state + * to the driver. If @atomic_disable is implemented, @disable is not + * called by the helpers. + * + * This hook is only used by atomic helpers. Atomic drivers don't need + * to implement it if there's no need to disable anything at the encoder + * level. To ensure that runtime PM handling (using either DPMS or the + * new "ACTIVE" property) works @atomic_disable must be the inverse of + * @atomic_enable. + */ + void (*atomic_disable)(struct drm_encoder *encoder, + struct drm_atomic_state *state); + + /** + * @atomic_enable: + * + * This callback should be used to enable the encoder. It is called + * after this encoder's CRTC has been enabled using their own + * &drm_crtc_helper_funcs.atomic_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 callback is a variant of @enable that provides the atomic state + * to the driver. If @atomic_enable is implemented, @enable is not + * called by the helpers. + * + * This hook is only used by atomic helpers, it is the opposite of + * @atomic_disable. Atomic drivers don't need to implement it if there's + * no need to enable anything at the encoder level. To ensure that + * runtime PM handling works @atomic_enable must be the inverse of + * @atomic_disable. + */ + void (*atomic_enable)(struct drm_encoder *encoder, + struct drm_atomic_state *state); + + /** * @disable: * * This callback should be used to disable the encoder. With the atomic @@ -695,6 +741,9 @@ struct drm_encoder_helper_funcs { * handling (using either DPMS or the new "ACTIVE" property) works * @disable must be the inverse of @enable for atomic drivers. * + * For atomic drivers also consider @atomic_disable and save yourself + * from having to read the NOTE below! + * * NOTE: * * With legacy CRTC helpers there's a big semantic difference between @@ -719,11 +768,11 @@ struct drm_encoder_helper_funcs { * 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 - * enable anything at the encoder level. To ensure that runtime PM handling - * (using either DPMS or the new "ACTIVE" property) works - * @enable must be the inverse of @disable for atomic drivers. + * This hook is only used by atomic helpers, it is the opposite of + * @disable. Atomic drivers don't need to implement it if there's no + * need to enable anything at the encoder level. To ensure that + * runtime PM handling (using either DPMS or the new "ACTIVE" property) + * works @enable must be the inverse of @disable for atomic drivers. */ void (*enable)(struct drm_encoder *encoder); @@ -979,7 +1028,7 @@ struct drm_connector_helper_funcs { * deadlock. */ int (*atomic_check)(struct drm_connector *connector, - struct drm_connector_state *state); + struct drm_atomic_state *state); /** * @atomic_commit: diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 6078c700d9ba..cd5903ad33f7 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -69,7 +69,7 @@ struct drm_plane_state { * * Optional fence to wait for before scanning out @fb. The core atomic * code will set this when userspace is using explicit fencing. Do not - * write this directly for a driver's implicit fence, use + * write this field directly for a driver's implicit fence, use * drm_atomic_set_fence_for_plane() to ensure that an explicit fence is * preserved. * diff --git a/include/drm/drm_print.h b/include/drm/drm_print.h index 3a4247319e63..a5d6f2f3e430 100644 --- a/include/drm/drm_print.h +++ b/include/drm/drm_print.h @@ -32,6 +32,8 @@ #include <linux/device.h> #include <linux/debugfs.h> +#include <drm/drm.h> + /** * DOC: print * diff --git a/include/drm/drm_self_refresh_helper.h b/include/drm/drm_self_refresh_helper.h new file mode 100644 index 000000000000..397a583ccca7 --- /dev/null +++ b/include/drm/drm_self_refresh_helper.h @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: MIT +/* + * Copyright (C) 2019 Google, Inc. + * + * Authors: + * Sean Paul <seanpaul@chromium.org> + */ +#ifndef DRM_SELF_REFRESH_HELPER_H_ +#define DRM_SELF_REFRESH_HELPER_H_ + +struct drm_atomic_state; +struct drm_crtc; + +void drm_self_refresh_helper_alter_state(struct drm_atomic_state *state); + +int drm_self_refresh_helper_init(struct drm_crtc *crtc, + unsigned int entry_delay_ms); + +void drm_self_refresh_helper_cleanup(struct drm_crtc *crtc); +#endif diff --git a/include/drm/drm_vram_mm_helper.h b/include/drm/drm_vram_mm_helper.h new file mode 100644 index 000000000000..a8ffd8599b08 --- /dev/null +++ b/include/drm/drm_vram_mm_helper.h @@ -0,0 +1,102 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifndef DRM_VRAM_MM_HELPER_H +#define DRM_VRAM_MM_HELPER_H + +#include <drm/ttm/ttm_bo_driver.h> + +struct drm_device; + +/** + * struct drm_vram_mm_funcs - Callback functions for &struct drm_vram_mm + * @evict_flags: Provides an implementation for struct \ + &ttm_bo_driver.evict_flags + * @verify_access: Provides an implementation for \ + struct &ttm_bo_driver.verify_access + * + * These callback function integrate VRAM MM with TTM buffer objects. New + * functions can be added if necessary. + */ +struct drm_vram_mm_funcs { + void (*evict_flags)(struct ttm_buffer_object *bo, + struct ttm_placement *placement); + int (*verify_access)(struct ttm_buffer_object *bo, struct file *filp); +}; + +/** + * struct drm_vram_mm - An instance of VRAM MM + * @vram_base: Base address of the managed video memory + * @vram_size: Size of the managed video memory in bytes + * @bdev: The TTM BO device. + * @funcs: TTM BO functions + * + * The fields &struct drm_vram_mm.vram_base and + * &struct drm_vram_mm.vrm_size are managed by VRAM MM, but are + * available for public read access. Use the field + * &struct drm_vram_mm.bdev to access the TTM BO device. + */ +struct drm_vram_mm { + uint64_t vram_base; + size_t vram_size; + + struct ttm_bo_device bdev; + + const struct drm_vram_mm_funcs *funcs; +}; + +/** + * drm_vram_mm_of_bdev() - \ + Returns the container of type &struct ttm_bo_device for field bdev. + * @bdev: the TTM BO device + * + * Returns: + * The containing instance of &struct drm_vram_mm + */ +static inline struct drm_vram_mm *drm_vram_mm_of_bdev( + struct ttm_bo_device *bdev) +{ + return container_of(bdev, struct drm_vram_mm, bdev); +} + +int drm_vram_mm_init(struct drm_vram_mm *vmm, struct drm_device *dev, + uint64_t vram_base, size_t vram_size, + const struct drm_vram_mm_funcs *funcs); +void drm_vram_mm_cleanup(struct drm_vram_mm *vmm); + +int drm_vram_mm_mmap(struct file *filp, struct vm_area_struct *vma, + struct drm_vram_mm *vmm); + +/* + * Helpers for integration with struct drm_device + */ + +struct drm_vram_mm *drm_vram_helper_alloc_mm( + struct drm_device *dev, uint64_t vram_base, size_t vram_size, + const struct drm_vram_mm_funcs *funcs); +void drm_vram_helper_release_mm(struct drm_device *dev); + +/* + * Helpers for &struct file_operations + */ + +int drm_vram_mm_file_operations_mmap( + struct file *filp, struct vm_area_struct *vma); + +/** + * define DRM_VRAM_MM_FILE_OPERATIONS - default callback functions for \ + &struct file_operations + * + * Drivers that use VRAM MM can use this macro to initialize + * &struct file_operations with default functions. + */ +#define DRM_VRAM_MM_FILE_OPERATIONS \ + .llseek = no_llseek, \ + .read = drm_read, \ + .poll = drm_poll, \ + .unlocked_ioctl = drm_ioctl, \ + .compat_ioctl = drm_compat_ioctl, \ + .mmap = drm_vram_mm_file_operations_mmap, \ + .open = drm_open, \ + .release = drm_release \ + +#endif diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h index 0daca4d8dad9..57b4121c750a 100644 --- a/include/drm/gpu_scheduler.h +++ b/include/drm/gpu_scheduler.h @@ -167,9 +167,6 @@ struct drm_sched_fence *to_drm_sched_fence(struct dma_fence *f); * @sched: the scheduler instance on which this job is scheduled. * @s_fence: contains the fences for the scheduling of job. * @finish_cb: the callback for the finished fence. - * @finish_work: schedules the function @drm_sched_job_finish once the job has - * finished to remove the job from the - * @drm_gpu_scheduler.ring_mirror_list. * @node: used to append this struct to the @drm_gpu_scheduler.ring_mirror_list. * @id: a unique id assigned to each job scheduled on the scheduler. * @karma: increment on every hang caused by this job. If this exceeds the hang @@ -188,7 +185,6 @@ struct drm_sched_job { struct drm_gpu_scheduler *sched; struct drm_sched_fence *s_fence; struct dma_fence_cb finish_cb; - struct work_struct finish_work; struct list_head node; uint64_t id; atomic_t karma; @@ -263,6 +259,7 @@ struct drm_sched_backend_ops { * guilty and it will be considered for scheduling further. * @num_jobs: the number of jobs in queue in the scheduler * @ready: marks if the underlying HW is ready to work + * @free_guilty: A hit to time out handler to free the guilty job. * * One scheduler is implemented for each hardware ring. */ @@ -283,6 +280,7 @@ struct drm_gpu_scheduler { int hang_limit; atomic_t num_jobs; bool ready; + bool free_guilty; }; int drm_sched_init(struct drm_gpu_scheduler *sched, @@ -296,7 +294,7 @@ int drm_sched_job_init(struct drm_sched_job *job, void *owner); void drm_sched_job_cleanup(struct drm_sched_job *job); void drm_sched_wakeup(struct drm_gpu_scheduler *sched); -void drm_sched_stop(struct drm_gpu_scheduler *sched); +void drm_sched_stop(struct drm_gpu_scheduler *sched, struct drm_sched_job *bad); void drm_sched_start(struct drm_gpu_scheduler *sched, bool full_recovery); void drm_sched_resubmit_jobs(struct drm_gpu_scheduler *sched); void drm_sched_increase_karma(struct drm_sched_job *bad); diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h index 6477da22af28..6d60ea68c171 100644 --- a/include/drm/i915_pciids.h +++ b/include/drm/i915_pciids.h @@ -559,7 +559,6 @@ #define INTEL_ICL_PORT_F_IDS(info) \ INTEL_VGA_DEVICE(0x8A50, info), \ INTEL_VGA_DEVICE(0x8A5C, info), \ - INTEL_VGA_DEVICE(0x8A5D, info), \ INTEL_VGA_DEVICE(0x8A59, info), \ INTEL_VGA_DEVICE(0x8A58, info), \ INTEL_VGA_DEVICE(0x8A52, info), \ @@ -573,7 +572,8 @@ #define INTEL_ICL_11_IDS(info) \ INTEL_ICL_PORT_F_IDS(info), \ - INTEL_VGA_DEVICE(0x8A51, info) + INTEL_VGA_DEVICE(0x8A51, info), \ + INTEL_VGA_DEVICE(0x8A5D, info) /* EHL */ #define INTEL_EHL_IDS(info) \ diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 129dabbc002d..c9b8ba492f24 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -767,11 +767,12 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo, */ static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo) { - if (!(bo->mem.placement & TTM_PL_FLAG_NO_EVICT)) { - spin_lock(&bo->bdev->glob->lru_lock); + spin_lock(&bo->bdev->glob->lru_lock); + if (list_empty(&bo->lru)) ttm_bo_add_to_lru(bo); - spin_unlock(&bo->bdev->glob->lru_lock); - } + else + ttm_bo_move_to_lru_tail(bo, NULL); + spin_unlock(&bo->bdev->glob->lru_lock); reservation_object_unlock(bo->resv); } diff --git a/include/drm/ttm/ttm_execbuf_util.h b/include/drm/ttm/ttm_execbuf_util.h index 621615fa7728..7e46cc678e7e 100644 --- a/include/drm/ttm/ttm_execbuf_util.h +++ b/include/drm/ttm/ttm_execbuf_util.h @@ -70,6 +70,7 @@ extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, * @list: thread private list of ttm_validate_buffer structs. * @intr: should the wait be interruptible * @dups: [out] optional list of duplicates. + * @del_lru: true if BOs should be removed from the LRU. * * Tries to reserve bos pointed to by the list entries for validation. * If the function returns 0, all buffers are marked as "unfenced", @@ -98,7 +99,7 @@ extern void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket, extern int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket, struct list_head *list, bool intr, - struct list_head *dups); + struct list_head *dups, bool del_lru); /** * function ttm_eu_fence_buffer_objects. |