aboutsummaryrefslogtreecommitdiff
path: root/include/drm
diff options
context:
space:
mode:
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/display/drm_dp.h3
-rw-r--r--include/drm/display/drm_dp_helper.h2
-rw-r--r--include/drm/display/drm_dp_mst_helper.h237
-rw-r--r--include/drm/drm_atomic_helper.h12
-rw-r--r--include/drm/drm_bridge.h12
-rw-r--r--include/drm/drm_connector.h26
-rw-r--r--include/drm/drm_crtc.h9
-rw-r--r--include/drm/drm_encoder.h6
-rw-r--r--include/drm/drm_fb_dma_helper.h (renamed from include/drm/drm_fb_cma_helper.h)10
-rw-r--r--include/drm/drm_file.h9
-rw-r--r--include/drm/drm_format_helper.h69
-rw-r--r--include/drm/drm_fourcc.h4
-rw-r--r--include/drm/drm_framebuffer.h8
-rw-r--r--include/drm/drm_gem.h57
-rw-r--r--include/drm/drm_gem_dma_helper.h (renamed from include/drm/drm_gem_cma_helper.h)158
-rw-r--r--include/drm/drm_gem_shmem_helper.h2
-rw-r--r--include/drm/drm_mipi_dbi.h2
-rw-r--r--include/drm/drm_mipi_dsi.h4
-rw-r--r--include/drm/drm_modes.h35
-rw-r--r--include/drm/drm_panel.h7
-rw-r--r--include/drm/drm_plane.h52
-rw-r--r--include/drm/drm_plane_helper.h40
-rw-r--r--include/drm/drm_probe_helper.h9
-rw-r--r--include/drm/gpu_scheduler.h9
-rw-r--r--include/drm/i915_pciids.h1
-rw-r--r--include/drm/ttm/ttm_bo_api.h93
-rw-r--r--include/drm/ttm/ttm_bo_driver.h2
-rw-r--r--include/drm/ttm/ttm_resource.h40
28 files changed, 563 insertions, 355 deletions
diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index 9e3aff7e68bb..e934aab357be 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -239,6 +239,7 @@
#define DP_DSC_SUPPORT 0x060 /* DP 1.4 */
# define DP_DSC_DECOMPRESSION_IS_SUPPORTED (1 << 0)
+# define DP_DSC_PASSTHROUGH_IS_SUPPORTED (1 << 1)
#define DP_DSC_REV 0x061
# define DP_DSC_MAJOR_MASK (0xf << 0)
@@ -1536,6 +1537,8 @@ enum drm_dp_phy {
#define DP_SDP_VSC_EXT_CEA 0x21 /* DP 1.4 */
/* 0x80+ CEA-861 infoframe types */
+#define DP_SDP_AUDIO_INFOFRAME_HB2 0x1b
+
/**
* struct dp_sdp_header - DP secondary data packet header
* @HB0: Secondary Data Packet ID
diff --git a/include/drm/display/drm_dp_helper.h b/include/drm/display/drm_dp_helper.h
index db0fe9f8a612..ab55453f2d2c 100644
--- a/include/drm/display/drm_dp_helper.h
+++ b/include/drm/display/drm_dp_helper.h
@@ -69,6 +69,8 @@ bool drm_dp_128b132b_link_training_failed(const u8 link_status[DP_LINK_STATUS_SI
u8 drm_dp_link_rate_to_bw_code(int link_rate);
int drm_dp_bw_code_to_link_rate(u8 link_bw);
+const char *drm_dp_phy_name(enum drm_dp_phy dp_phy);
+
/**
* struct drm_dp_vsc_sdp - drm DP VSC SDP
*
diff --git a/include/drm/display/drm_dp_mst_helper.h b/include/drm/display/drm_dp_mst_helper.h
index 10adec068b7f..41fd8352ab65 100644
--- a/include/drm/display/drm_dp_mst_helper.h
+++ b/include/drm/display/drm_dp_mst_helper.h
@@ -49,20 +49,6 @@ struct drm_dp_mst_topology_ref_history {
struct drm_dp_mst_branch;
/**
- * struct drm_dp_vcpi - Virtual Channel Payload Identifier
- * @vcpi: Virtual channel ID.
- * @pbn: Payload Bandwidth Number for this channel
- * @aligned_pbn: PBN aligned with slot size
- * @num_slots: number of slots for this PBN
- */
-struct drm_dp_vcpi {
- int vcpi;
- int pbn;
- int aligned_pbn;
- int num_slots;
-};
-
-/**
* struct drm_dp_mst_port - MST port
* @port_num: port number
* @input: if this port is an input port. Protected by
@@ -86,6 +72,8 @@ struct drm_dp_vcpi {
* @next: link to next port on this branch device
* @aux: i2c aux transport to talk to device connected to this port, protected
* by &drm_dp_mst_topology_mgr.base.lock.
+ * @passthrough_aux: parent aux to which DSC pass-through requests should be
+ * sent, only set if DSC pass-through is possible.
* @parent: branch device parent of this port
* @vcpi: Virtual Channel Payload info for this port.
* @connector: DRM connector this port is connected to. Protected by
@@ -140,9 +128,9 @@ struct drm_dp_mst_port {
*/
struct drm_dp_mst_branch *mstb;
struct drm_dp_aux aux; /* i2c bus for this port? */
+ struct drm_dp_aux *passthrough_aux;
struct drm_dp_mst_branch *parent;
- struct drm_dp_vcpi vcpi;
struct drm_connector *connector;
struct drm_dp_mst_topology_mgr *mgr;
@@ -527,35 +515,104 @@ struct drm_dp_mst_topology_cbs {
void (*poll_hpd_irq)(struct drm_dp_mst_topology_mgr *mgr);
};
-#define DP_MAX_PAYLOAD (sizeof(unsigned long) * 8)
-
-#define DP_PAYLOAD_LOCAL 1
-#define DP_PAYLOAD_REMOTE 2
-#define DP_PAYLOAD_DELETE_LOCAL 3
-
-struct drm_dp_payload {
- int payload_state;
- int start_slot;
- int num_slots;
- int vcpi;
-};
-
#define to_dp_mst_topology_state(x) container_of(x, struct drm_dp_mst_topology_state, base)
-struct drm_dp_vcpi_allocation {
+/**
+ * struct drm_dp_mst_atomic_payload - Atomic state struct for an MST payload
+ *
+ * The primary atomic state structure for a given MST payload. Stores information like current
+ * bandwidth allocation, intended action for this payload, etc.
+ */
+struct drm_dp_mst_atomic_payload {
+ /** @port: The MST port assigned to this payload */
struct drm_dp_mst_port *port;
- int vcpi;
+
+ /**
+ * @vc_start_slot: The time slot that this payload starts on. Because payload start slots
+ * can't be determined ahead of time, the contents of this value are UNDEFINED at atomic
+ * check time. This shouldn't usually matter, as the start slot should never be relevant for
+ * atomic state computations.
+ *
+ * Since this value is determined at commit time instead of check time, this value is
+ * protected by the MST helpers ensuring that async commits operating on the given topology
+ * never run in parallel. In the event that a driver does need to read this value (e.g. to
+ * inform hardware of the starting timeslot for a payload), the driver may either:
+ *
+ * * Read this field during the atomic commit after
+ * drm_dp_mst_atomic_wait_for_dependencies() has been called, which will ensure the
+ * previous MST states payload start slots have been copied over to the new state. Note
+ * that a new start slot won't be assigned/removed from this payload until
+ * drm_dp_add_payload_part1()/drm_dp_remove_payload() have been called.
+ * * Acquire the MST modesetting lock, and then wait for any pending MST-related commits to
+ * get committed to hardware by calling drm_crtc_commit_wait() on each of the
+ * &drm_crtc_commit structs in &drm_dp_mst_topology_state.commit_deps.
+ *
+ * If neither of the two above solutions suffice (e.g. the driver needs to read the start
+ * slot in the middle of an atomic commit without waiting for some reason), then drivers
+ * should cache this value themselves after changing payloads.
+ */
+ s8 vc_start_slot;
+
+ /** @vcpi: The Virtual Channel Payload Identifier */
+ u8 vcpi;
+ /**
+ * @time_slots:
+ * The number of timeslots allocated to this payload from the source DP Tx to
+ * the immediate downstream DP Rx
+ */
+ int time_slots;
+ /** @pbn: The payload bandwidth for this payload */
int pbn;
- bool dsc_enabled;
+
+ /** @delete: Whether or not we intend to delete this payload during this atomic commit */
+ bool delete : 1;
+ /** @dsc_enabled: Whether or not this payload has DSC enabled */
+ bool dsc_enabled : 1;
+
+ /** @next: The list node for this payload */
struct list_head next;
};
+/**
+ * struct drm_dp_mst_topology_state - DisplayPort MST topology atomic state
+ *
+ * This struct represents the atomic state of the toplevel DisplayPort MST manager
+ */
struct drm_dp_mst_topology_state {
+ /** @base: Base private state for atomic */
struct drm_private_state base;
- struct list_head vcpis;
+
+ /** @mgr: The topology manager */
struct drm_dp_mst_topology_mgr *mgr;
+
+ /**
+ * @pending_crtc_mask: A bitmask of all CRTCs this topology state touches, drivers may
+ * modify this to add additional dependencies if needed.
+ */
+ u32 pending_crtc_mask;
+ /**
+ * @commit_deps: A list of all CRTC commits affecting this topology, this field isn't
+ * populated until drm_dp_mst_atomic_wait_for_dependencies() is called.
+ */
+ struct drm_crtc_commit **commit_deps;
+ /** @num_commit_deps: The number of CRTC commits in @commit_deps */
+ size_t num_commit_deps;
+
+ /** @payload_mask: A bitmask of allocated VCPIs, used for VCPI assignments */
+ u32 payload_mask;
+ /** @payloads: The list of payloads being created/destroyed in this state */
+ struct list_head payloads;
+
+ /** @total_avail_slots: The total number of slots this topology can handle (63 or 64) */
u8 total_avail_slots;
+ /** @start_slot: The first usable time slot in this topology (1 or 0) */
u8 start_slot;
+
+ /**
+ * @pbn_div: The current PBN divisor for this topology. The driver is expected to fill this
+ * out itself.
+ */
+ int pbn_div;
};
#define to_dp_mst_topology_mgr(x) container_of(x, struct drm_dp_mst_topology_mgr, base)
@@ -596,14 +653,6 @@ struct drm_dp_mst_topology_mgr {
*/
int max_payloads;
/**
- * @max_lane_count: maximum number of lanes the GPU can drive.
- */
- int max_lane_count;
- /**
- * @max_link_rate: maximum link rate per lane GPU can output, in kHz.
- */
- int max_link_rate;
- /**
* @conn_base_id: DRM connector ID this mgr is connected to. Only used
* to build the MST connector path value.
*/
@@ -646,6 +695,20 @@ struct drm_dp_mst_topology_mgr {
bool payload_id_table_cleared : 1;
/**
+ * @payload_count: The number of currently active payloads in hardware. This value is only
+ * intended to be used internally by MST helpers for payload tracking, and is only safe to
+ * read/write from the atomic commit (not check) context.
+ */
+ u8 payload_count;
+
+ /**
+ * @next_start_slot: The starting timeslot to use for new VC payloads. This value is used
+ * internally by MST helpers for payload tracking, and is only safe to read/write from the
+ * atomic commit (not check) context.
+ */
+ u8 next_start_slot;
+
+ /**
* @mst_primary: Pointer to the primary/first branch device.
*/
struct drm_dp_mst_branch *mst_primary;
@@ -658,10 +721,6 @@ struct drm_dp_mst_topology_mgr {
* @sink_count: Sink count from DEVICE_SERVICE_IRQ_VECTOR_ESI0.
*/
u8 sink_count;
- /**
- * @pbn_div: PBN to slots divisor.
- */
- int pbn_div;
/**
* @funcs: Atomic helper callbacks
@@ -679,32 +738,6 @@ struct drm_dp_mst_topology_mgr {
struct list_head tx_msg_downq;
/**
- * @payload_lock: Protect payload information.
- */
- struct mutex payload_lock;
- /**
- * @proposed_vcpis: Array of pointers for the new VCPI allocation. The
- * VCPI structure itself is &drm_dp_mst_port.vcpi, and the size of
- * this array is determined by @max_payloads.
- */
- struct drm_dp_vcpi **proposed_vcpis;
- /**
- * @payloads: Array of payloads. The size of this array is determined
- * by @max_payloads.
- */
- struct drm_dp_payload *payloads;
- /**
- * @payload_mask: Elements of @payloads actually in use. Since
- * reallocation of active outputs isn't possible gaps can be created by
- * disabling outputs out of order compared to how they've been enabled.
- */
- unsigned long payload_mask;
- /**
- * @vcpi_mask: Similar to @payload_mask, but for @proposed_vcpis.
- */
- unsigned long vcpi_mask;
-
- /**
* @tx_waitq: Wait to queue stall for the tx worker.
*/
wait_queue_head_t tx_waitq;
@@ -775,9 +808,7 @@ struct drm_dp_mst_topology_mgr {
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 max_lane_count, int max_link_rate,
- int conn_base_id);
+ int max_payloads, int conn_base_id);
void drm_dp_mst_topology_mgr_destroy(struct drm_dp_mst_topology_mgr *mgr);
@@ -800,28 +831,17 @@ int drm_dp_get_vc_payload_bw(const struct drm_dp_mst_topology_mgr *mgr,
int drm_dp_calc_pbn_mode(int clock, int bpp, bool dsc);
-bool drm_dp_mst_allocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port, int pbn, int slots);
-
-int drm_dp_mst_get_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
-
-
-void drm_dp_mst_reset_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr, struct drm_dp_mst_port *port);
-
void drm_dp_mst_update_slots(struct drm_dp_mst_topology_state *mst_state, uint8_t link_encoding_cap);
-void drm_dp_mst_deallocate_vcpi(struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port);
-
-
-int drm_dp_find_vcpi_slots(struct drm_dp_mst_topology_mgr *mgr,
- int pbn);
-
-
-int drm_dp_update_payload_part1(struct drm_dp_mst_topology_mgr *mgr, int start_slot);
-
-
-int drm_dp_update_payload_part2(struct drm_dp_mst_topology_mgr *mgr);
+int drm_dp_add_payload_part1(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_topology_state *mst_state,
+ struct drm_dp_mst_atomic_payload *payload);
+int drm_dp_add_payload_part2(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_atomic_state *state,
+ struct drm_dp_mst_atomic_payload *payload);
+void drm_dp_remove_payload(struct drm_dp_mst_topology_mgr *mgr,
+ struct drm_dp_mst_topology_state *mst_state,
+ struct drm_dp_mst_atomic_payload *payload);
int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr);
@@ -843,36 +863,51 @@ int drm_dp_mst_connector_late_register(struct drm_connector *connector,
void drm_dp_mst_connector_early_unregister(struct drm_connector *connector,
struct drm_dp_mst_port *port);
-struct drm_dp_mst_topology_state *drm_atomic_get_mst_topology_state(struct drm_atomic_state *state,
- struct drm_dp_mst_topology_mgr *mgr);
+struct drm_dp_mst_topology_state *
+drm_atomic_get_mst_topology_state(struct drm_atomic_state *state,
+ struct drm_dp_mst_topology_mgr *mgr);
+struct drm_dp_mst_topology_state *
+drm_atomic_get_new_mst_topology_state(struct drm_atomic_state *state,
+ struct drm_dp_mst_topology_mgr *mgr);
+struct drm_dp_mst_atomic_payload *
+drm_atomic_get_mst_payload_state(struct drm_dp_mst_topology_state *state,
+ struct drm_dp_mst_port *port);
int __must_check
-drm_dp_atomic_find_vcpi_slots(struct drm_atomic_state *state,
+drm_dp_atomic_find_time_slots(struct drm_atomic_state *state,
struct drm_dp_mst_topology_mgr *mgr,
- struct drm_dp_mst_port *port, int pbn,
- int pbn_div);
+ struct drm_dp_mst_port *port, int pbn);
int drm_dp_mst_atomic_enable_dsc(struct drm_atomic_state *state,
struct drm_dp_mst_port *port,
- int pbn, int pbn_div,
- bool enable);
+ int pbn, bool enable);
int __must_check
drm_dp_mst_add_affected_dsc_crtcs(struct drm_atomic_state *state,
struct drm_dp_mst_topology_mgr *mgr);
int __must_check
-drm_dp_atomic_release_vcpi_slots(struct drm_atomic_state *state,
+drm_dp_atomic_release_time_slots(struct drm_atomic_state *state,
struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_mst_port *port);
+void drm_dp_mst_atomic_wait_for_dependencies(struct drm_atomic_state *state);
+int __must_check drm_dp_mst_atomic_setup_commit(struct drm_atomic_state *state);
int drm_dp_send_power_updown_phy(struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_mst_port *port, bool power_up);
int drm_dp_send_query_stream_enc_status(struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_mst_port *port,
struct drm_dp_query_stream_enc_status_ack_reply *status);
int __must_check drm_dp_mst_atomic_check(struct drm_atomic_state *state);
+int __must_check drm_dp_mst_root_conn_atomic_check(struct drm_connector_state *new_conn_state,
+ struct drm_dp_mst_topology_mgr *mgr);
void drm_dp_mst_get_port_malloc(struct drm_dp_mst_port *port);
void drm_dp_mst_put_port_malloc(struct drm_dp_mst_port *port);
struct drm_dp_aux *drm_dp_mst_dsc_aux_for_port(struct drm_dp_mst_port *port);
+static inline struct drm_dp_mst_topology_state *
+to_drm_dp_mst_topology_state(struct drm_private_state *state)
+{
+ return container_of(state, struct drm_dp_mst_topology_state, base);
+}
+
extern const struct drm_private_state_funcs drm_dp_mst_topology_state_funcs;
/**
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h
index 2a0b17842402..06d8902a8097 100644
--- a/include/drm/drm_atomic_helper.h
+++ b/include/drm/drm_atomic_helper.h
@@ -34,12 +34,24 @@
#include <drm/drm_atomic_state_helper.h>
#include <drm/drm_util.h>
+/*
+ * Drivers that don't allow primary plane scaling may pass this macro in place
+ * of the min/max scale parameters of the plane-state checker function.
+ *
+ * Due to src being in 16.16 fixed point and dest being in integer pixels,
+ * 1<<16 represents no scaling.
+ */
+#define DRM_PLANE_NO_SCALING (1<<16)
+
struct drm_atomic_state;
struct drm_private_obj;
struct drm_private_state;
int drm_atomic_helper_check_modeset(struct drm_device *dev,
struct drm_atomic_state *state);
+int
+drm_atomic_helper_check_wb_encoder_state(struct drm_encoder *encoder,
+ struct drm_connector_state *conn_state);
int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state,
const struct drm_crtc_state *crtc_state,
int min_scale,
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index d434ab416ad4..6b65b0dfb4fb 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -930,6 +930,8 @@ struct drm_bridge *devm_drm_panel_bridge_add(struct device *dev,
struct drm_bridge *devm_drm_panel_bridge_add_typed(struct device *dev,
struct drm_panel *panel,
u32 connector_type);
+struct drm_bridge *drmm_panel_bridge_add(struct drm_device *drm,
+ struct drm_panel *panel);
struct drm_connector *drm_panel_bridge_connector(struct drm_bridge *bridge);
#else
static inline bool drm_bridge_is_panel(const struct drm_bridge *bridge)
@@ -947,6 +949,8 @@ static inline int drm_panel_bridge_set_orientation(struct drm_connector *connect
#if defined(CONFIG_OF) && defined(CONFIG_DRM_PANEL_BRIDGE)
struct drm_bridge *devm_drm_of_get_bridge(struct device *dev, struct device_node *node,
u32 port, u32 endpoint);
+struct drm_bridge *drmm_of_get_bridge(struct drm_device *drm, struct device_node *node,
+ u32 port, u32 endpoint);
#else
static inline struct drm_bridge *devm_drm_of_get_bridge(struct device *dev,
struct device_node *node,
@@ -955,6 +959,14 @@ static inline struct drm_bridge *devm_drm_of_get_bridge(struct device *dev,
{
return ERR_PTR(-ENODEV);
}
+
+static inline struct drm_bridge *drmm_of_get_bridge(struct drm_device *drm,
+ struct device_node *node,
+ u32 port,
+ u32 endpoint)
+{
+ return ERR_PTR(-ENODEV);
+}
#endif
#endif
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 7df7876b2ad5..56aee949c6fa 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -324,6 +324,22 @@ struct drm_monitor_range_info {
};
/**
+ * struct drm_luminance_range_info - Panel's luminance range for
+ * &drm_display_info. Calculated using data in EDID
+ *
+ * This struct is used to store a luminance range supported by panel
+ * as calculated using data from EDID's static hdr metadata.
+ *
+ * @min_luminance: This is the min supported luminance value
+ *
+ * @max_luminance: This is the max supported luminance value
+ */
+struct drm_luminance_range_info {
+ u32 min_luminance;
+ u32 max_luminance;
+};
+
+/**
* enum drm_privacy_screen_status - privacy screen status
*
* This enum is used to track and control the state of the integrated privacy
@@ -625,6 +641,11 @@ struct drm_display_info {
struct drm_monitor_range_info monitor_range;
/**
+ * @luminance_range: Luminance range supported by panel
+ */
+ struct drm_luminance_range_info luminance_range;
+
+ /**
* @mso_stream_count: eDP Multi-SST Operation (MSO) stream count from
* the DisplayID VESA vendor block. 0 for conventional Single-Stream
* Transport (SST), or 2 or 4 MSO streams.
@@ -1677,6 +1698,11 @@ int drm_connector_init_with_ddc(struct drm_device *dev,
const struct drm_connector_funcs *funcs,
int connector_type,
struct i2c_adapter *ddc);
+int drmm_connector_init(struct drm_device *dev,
+ struct drm_connector *connector,
+ const struct drm_connector_funcs *funcs,
+ int connector_type,
+ struct i2c_adapter *ddc);
void drm_connector_attach_edid_property(struct drm_connector *connector);
int drm_connector_register(struct drm_connector *connector);
void drm_connector_unregister(struct drm_connector *connector);
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index ffc1cde331d3..8e1cbc75143e 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -1216,6 +1216,15 @@ int drm_crtc_init_with_planes(struct drm_device *dev,
struct drm_plane *cursor,
const struct drm_crtc_funcs *funcs,
const char *name, ...);
+
+__printf(6, 7)
+int drmm_crtc_init_with_planes(struct drm_device *dev,
+ struct drm_crtc *crtc,
+ struct drm_plane *primary,
+ struct drm_plane *cursor,
+ const struct drm_crtc_funcs *funcs,
+ const char *name, ...);
+
void drm_crtc_cleanup(struct drm_crtc *crtc);
__printf(7, 8)
diff --git a/include/drm/drm_encoder.h b/include/drm/drm_encoder.h
index 6e91a0280f31..3a09682af685 100644
--- a/include/drm/drm_encoder.h
+++ b/include/drm/drm_encoder.h
@@ -194,6 +194,12 @@ int drm_encoder_init(struct drm_device *dev,
const struct drm_encoder_funcs *funcs,
int encoder_type, const char *name, ...);
+__printf(5, 6)
+int drmm_encoder_init(struct drm_device *dev,
+ struct drm_encoder *encoder,
+ const struct drm_encoder_funcs *funcs,
+ int encoder_type, const char *name, ...);
+
__printf(6, 7)
void *__drmm_encoder_alloc(struct drm_device *dev,
size_t size, size_t offset,
diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_dma_helper.h
index 6447e34528f8..d5e036c57801 100644
--- a/include/drm/drm_fb_cma_helper.h
+++ b/include/drm/drm_fb_dma_helper.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __DRM_FB_CMA_HELPER_H__
-#define __DRM_FB_CMA_HELPER_H__
+#ifndef __DRM_FB_DMA_HELPER_H__
+#define __DRM_FB_DMA_HELPER_H__
#include <linux/types.h>
@@ -8,14 +8,14 @@ struct drm_device;
struct drm_framebuffer;
struct drm_plane_state;
-struct drm_gem_cma_object *drm_fb_cma_get_gem_obj(struct drm_framebuffer *fb,
+struct drm_gem_dma_object *drm_fb_dma_get_gem_obj(struct drm_framebuffer *fb,
unsigned int plane);
-dma_addr_t drm_fb_cma_get_gem_addr(struct drm_framebuffer *fb,
+dma_addr_t drm_fb_dma_get_gem_addr(struct drm_framebuffer *fb,
struct drm_plane_state *state,
unsigned int plane);
-void drm_fb_cma_sync_non_coherent(struct drm_device *drm,
+void drm_fb_dma_sync_non_coherent(struct drm_device *drm,
struct drm_plane_state *old_state,
struct drm_plane_state *state);
diff --git a/include/drm/drm_file.h b/include/drm/drm_file.h
index e0a73a1e2df7..d780fd151789 100644
--- a/include/drm/drm_file.h
+++ b/include/drm/drm_file.h
@@ -421,13 +421,4 @@ void drm_send_event_timestamp_locked(struct drm_device *dev,
struct file *mock_drm_getfile(struct drm_minor *minor, unsigned int flags);
-#ifdef CONFIG_MMU
-struct drm_vma_offset_manager;
-unsigned long drm_get_unmapped_area(struct file *file,
- unsigned long uaddr, unsigned long len,
- unsigned long pgoff, unsigned long flags,
- struct drm_vma_offset_manager *mgr);
-#endif /* CONFIG_MMU */
-
-
#endif /* _DRM_FILE_H_ */
diff --git a/include/drm/drm_format_helper.h b/include/drm/drm_format_helper.h
index 55145eca0782..eb5c98cf82b8 100644
--- a/include/drm/drm_format_helper.h
+++ b/include/drm/drm_format_helper.h
@@ -6,44 +6,51 @@
#ifndef __LINUX_DRM_FORMAT_HELPER_H
#define __LINUX_DRM_FORMAT_HELPER_H
+#include <linux/types.h>
+
+struct drm_device;
struct drm_format_info;
struct drm_framebuffer;
struct drm_rect;
+struct iosys_map;
+
unsigned int drm_fb_clip_offset(unsigned int pitch, const struct drm_format_info *format,
const struct drm_rect *clip);
-void drm_fb_memcpy(void *dst, unsigned int dst_pitch, const void *vaddr,
- const struct drm_framebuffer *fb, const struct drm_rect *clip);
-void drm_fb_memcpy_toio(void __iomem *dst, unsigned int dst_pitch, const void *vaddr,
- const struct drm_framebuffer *fb, const struct drm_rect *clip);
-void drm_fb_swab(void *dst, unsigned int dst_pitch, const void *src,
- const struct drm_framebuffer *fb, const struct drm_rect *clip,
- bool cached);
-void drm_fb_xrgb8888_to_rgb332(void *dst, unsigned int dst_pitch, const void *vaddr,
- const struct drm_framebuffer *fb, const struct drm_rect *clip);
-void drm_fb_xrgb8888_to_rgb565(void *dst, unsigned int dst_pitch, const void *vaddr,
- const struct drm_framebuffer *fb, const struct drm_rect *clip,
- bool swab);
-void drm_fb_xrgb8888_to_rgb565_toio(void __iomem *dst, unsigned int dst_pitch,
- const void *vaddr, const struct drm_framebuffer *fb,
- const struct drm_rect *clip, bool swab);
-void drm_fb_xrgb8888_to_rgb888(void *dst, unsigned int dst_pitch, const void *src,
- const struct drm_framebuffer *fb, const struct drm_rect *clip);
-void drm_fb_xrgb8888_to_rgb888_toio(void __iomem *dst, unsigned int dst_pitch,
- const void *vaddr, const struct drm_framebuffer *fb,
+void drm_fb_memcpy(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
+void drm_fb_swab(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip, bool cached);
+void drm_fb_xrgb8888_to_rgb332(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_rgb565(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip, bool swab);
+void drm_fb_xrgb8888_to_rgb888(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_xrgb2101010(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
const struct drm_rect *clip);
-void drm_fb_xrgb8888_to_xrgb2101010_toio(void __iomem *dst, unsigned int dst_pitch,
- const void *vaddr, const struct drm_framebuffer *fb,
- const struct drm_rect *clip);
-void drm_fb_xrgb8888_to_gray8(void *dst, unsigned int dst_pitch, const void *vaddr,
- const struct drm_framebuffer *fb, const struct drm_rect *clip);
-
-int drm_fb_blit_toio(void __iomem *dst, unsigned int dst_pitch, uint32_t dst_format,
- const void *vmap, const struct drm_framebuffer *fb,
- const struct drm_rect *rect);
-
-void drm_fb_xrgb8888_to_mono(void *dst, unsigned int dst_pitch, const void *src,
- const struct drm_framebuffer *fb, const struct drm_rect *clip);
+void drm_fb_xrgb8888_to_gray8(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
+
+int drm_fb_blit(struct iosys_map *dst, const unsigned int *dst_pitch, uint32_t dst_format,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *rect);
+
+void drm_fb_xrgb8888_to_mono(struct iosys_map *dst, const unsigned int *dst_pitch,
+ const struct iosys_map *src, const struct drm_framebuffer *fb,
+ const struct drm_rect *clip);
+
+size_t drm_fb_build_fourcc_list(struct drm_device *dev,
+ const u32 *native_fourccs, size_t native_nfourccs,
+ const u32 *extra_fourccs, size_t extra_nfourccs,
+ u32 *fourccs_out, size_t nfourccs_out);
#endif /* __LINUX_DRM_FORMAT_HELPER_H */
diff --git a/include/drm/drm_fourcc.h b/include/drm/drm_fourcc.h
index 22aa64d07c79..532ae78ca747 100644
--- a/include/drm/drm_fourcc.h
+++ b/include/drm/drm_fourcc.h
@@ -138,6 +138,9 @@ struct drm_format_info {
/** @is_yuv: Is it a YUV format? */
bool is_yuv;
+
+ /** @is_color_indexed: Is it a color-indexed format? */
+ bool is_color_indexed;
};
/**
@@ -313,6 +316,7 @@ 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,
int plane);
+unsigned int drm_format_info_bpp(const struct drm_format_info *info, int plane);
uint64_t drm_format_info_min_pitch(const struct drm_format_info *info,
int plane, unsigned int buffer_width);
diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h
index f67c5b7bcb68..0dcc07b68654 100644
--- a/include/drm/drm_framebuffer.h
+++ b/include/drm/drm_framebuffer.h
@@ -154,10 +154,10 @@ struct drm_framebuffer {
* drm_mode_fb_cmd2.
*
* Note that this is a linear offset and does not take into account
- * tiling or buffer laytou per @modifier. It meant to be used when the
- * actual pixel data for this framebuffer plane starts at an offset,
- * e.g. when multiple planes are allocated within the same backing
- * storage buffer object. For tiled layouts this generally means it
+ * tiling or buffer layout per @modifier. It is meant to be used when
+ * the actual pixel data for this framebuffer plane starts at an offset,
+ * e.g. when multiple planes are allocated within the same backing
+ * storage buffer object. For tiled layouts this generally means its
* @offsets must at least be tile-size aligned, but hardware often has
* stricter requirements.
*
diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h
index 87cffc9efa85..bd42f25e449c 100644
--- a/include/drm/drm_gem.h
+++ b/include/drm/drm_gem.h
@@ -175,6 +175,41 @@ struct drm_gem_object_funcs {
};
/**
+ * struct drm_gem_lru - A simple LRU helper
+ *
+ * A helper for tracking GEM objects in a given state, to aid in
+ * driver's shrinker implementation. Tracks the count of pages
+ * for lockless &shrinker.count_objects, and provides
+ * &drm_gem_lru_scan for driver's &shrinker.scan_objects
+ * implementation.
+ */
+struct drm_gem_lru {
+ /**
+ * @lock:
+ *
+ * Lock protecting movement of GEM objects between LRUs. All
+ * LRUs that the object can move between should be protected
+ * by the same lock.
+ */
+ struct mutex *lock;
+
+ /**
+ * @count:
+ *
+ * The total number of backing pages of the GEM objects in
+ * this LRU.
+ */
+ long count;
+
+ /**
+ * @list:
+ *
+ * The LRU list.
+ */
+ struct list_head list;
+};
+
+/**
* struct drm_gem_object - GEM buffer object
*
* This structure defines the generic parts for GEM buffer objects, which are
@@ -217,7 +252,7 @@ struct drm_gem_object {
*
* SHMEM file node used as backing storage for swappable buffer objects.
* GEM also supports driver private objects with driver-specific backing
- * storage (contiguous CMA memory, special reserved blocks). In this
+ * storage (contiguous DMA memory, special reserved blocks). In this
* case @filp is NULL.
*/
struct file *filp;
@@ -312,6 +347,20 @@ struct drm_gem_object {
*
*/
const struct drm_gem_object_funcs *funcs;
+
+ /**
+ * @lru_node:
+ *
+ * List node in a &drm_gem_lru.
+ */
+ struct list_head lru_node;
+
+ /**
+ * @lru:
+ *
+ * The current LRU list that the GEM object is on.
+ */
+ struct drm_gem_lru *lru;
};
/**
@@ -420,4 +469,10 @@ void drm_gem_unlock_reservations(struct drm_gem_object **objs, int count,
int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
u32 handle, u64 *offset);
+void drm_gem_lru_init(struct drm_gem_lru *lru, struct mutex *lock);
+void drm_gem_lru_remove(struct drm_gem_object *obj);
+void drm_gem_lru_move_tail(struct drm_gem_lru *lru, struct drm_gem_object *obj);
+unsigned long drm_gem_lru_scan(struct drm_gem_lru *lru, unsigned nr_to_scan,
+ bool (*shrink)(struct drm_gem_object *obj));
+
#endif /* __DRM_GEM_H__ */
diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_dma_helper.h
index fbda4ce5d5fb..8a043235dad8 100644
--- a/include/drm/drm_gem_cma_helper.h
+++ b/include/drm/drm_gem_dma_helper.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __DRM_GEM_CMA_HELPER_H__
-#define __DRM_GEM_CMA_HELPER_H__
+#ifndef __DRM_GEM_DMA_HELPER_H__
+#define __DRM_GEM_DMA_HELPER_H__
#include <drm/drm_file.h>
#include <drm/drm_ioctl.h>
@@ -9,128 +9,128 @@
struct drm_mode_create_dumb;
/**
- * struct drm_gem_cma_object - GEM object backed by CMA memory allocations
+ * struct drm_gem_dma_object - GEM object backed by DMA memory allocations
* @base: base GEM object
- * @paddr: physical address of the backing memory
+ * @dma_addr: DMA address of the backing memory
* @sgt: scatter/gather table for imported PRIME buffers. The table can have
* more than one entry but they are guaranteed to have contiguous
* DMA addresses.
* @vaddr: kernel virtual address of the backing memory
* @map_noncoherent: if true, the GEM object is backed by non-coherent memory
*/
-struct drm_gem_cma_object {
+struct drm_gem_dma_object {
struct drm_gem_object base;
- dma_addr_t paddr;
+ dma_addr_t dma_addr;
struct sg_table *sgt;
- /* For objects with DMA memory allocated by GEM CMA */
+ /* For objects with DMA memory allocated by GEM DMA */
void *vaddr;
bool map_noncoherent;
};
-#define to_drm_gem_cma_obj(gem_obj) \
- container_of(gem_obj, struct drm_gem_cma_object, base)
+#define to_drm_gem_dma_obj(gem_obj) \
+ container_of(gem_obj, struct drm_gem_dma_object, base)
-struct drm_gem_cma_object *drm_gem_cma_create(struct drm_device *drm,
+struct drm_gem_dma_object *drm_gem_dma_create(struct drm_device *drm,
size_t size);
-void drm_gem_cma_free(struct drm_gem_cma_object *cma_obj);
-void drm_gem_cma_print_info(const struct drm_gem_cma_object *cma_obj,
+void drm_gem_dma_free(struct drm_gem_dma_object *dma_obj);
+void drm_gem_dma_print_info(const struct drm_gem_dma_object *dma_obj,
struct drm_printer *p, unsigned int indent);
-struct sg_table *drm_gem_cma_get_sg_table(struct drm_gem_cma_object *cma_obj);
-int drm_gem_cma_vmap(struct drm_gem_cma_object *cma_obj,
+struct sg_table *drm_gem_dma_get_sg_table(struct drm_gem_dma_object *dma_obj);
+int drm_gem_dma_vmap(struct drm_gem_dma_object *dma_obj,
struct iosys_map *map);
-int drm_gem_cma_mmap(struct drm_gem_cma_object *cma_obj, struct vm_area_struct *vma);
+int drm_gem_dma_mmap(struct drm_gem_dma_object *dma_obj, struct vm_area_struct *vma);
-extern const struct vm_operations_struct drm_gem_cma_vm_ops;
+extern const struct vm_operations_struct drm_gem_dma_vm_ops;
/*
* GEM object functions
*/
/**
- * drm_gem_cma_object_free - GEM object function for drm_gem_cma_free()
+ * drm_gem_dma_object_free - GEM object function for drm_gem_dma_free()
* @obj: GEM object to free
*
- * This function wraps drm_gem_cma_free_object(). Drivers that employ the CMA helpers
+ * This function wraps drm_gem_dma_free_object(). Drivers that employ the DMA helpers
* should use it as their &drm_gem_object_funcs.free handler.
*/
-static inline void drm_gem_cma_object_free(struct drm_gem_object *obj)
+static inline void drm_gem_dma_object_free(struct drm_gem_object *obj)
{
- struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
+ struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
- drm_gem_cma_free(cma_obj);
+ drm_gem_dma_free(dma_obj);
}
/**
- * drm_gem_cma_object_print_info() - Print &drm_gem_cma_object info for debugfs
+ * drm_gem_dma_object_print_info() - Print &drm_gem_dma_object info for debugfs
* @p: DRM printer
* @indent: Tab indentation level
* @obj: GEM object
*
- * This function wraps drm_gem_cma_print_info(). Drivers that employ the CMA helpers
+ * This function wraps drm_gem_dma_print_info(). Drivers that employ the DMA helpers
* should use this function as their &drm_gem_object_funcs.print_info handler.
*/
-static inline void drm_gem_cma_object_print_info(struct drm_printer *p, unsigned int indent,
+static inline void drm_gem_dma_object_print_info(struct drm_printer *p, unsigned int indent,
const struct drm_gem_object *obj)
{
- const struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
+ const struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
- drm_gem_cma_print_info(cma_obj, p, indent);
+ drm_gem_dma_print_info(dma_obj, p, indent);
}
/**
- * drm_gem_cma_object_get_sg_table - GEM object function for drm_gem_cma_get_sg_table()
+ * drm_gem_dma_object_get_sg_table - GEM object function for drm_gem_dma_get_sg_table()
* @obj: GEM object
*
- * This function wraps drm_gem_cma_get_sg_table(). Drivers that employ the CMA helpers should
+ * This function wraps drm_gem_dma_get_sg_table(). Drivers that employ the DMA helpers should
* use it as their &drm_gem_object_funcs.get_sg_table handler.
*
* Returns:
* A pointer to the scatter/gather table of pinned pages or NULL on failure.
*/
-static inline struct sg_table *drm_gem_cma_object_get_sg_table(struct drm_gem_object *obj)
+static inline struct sg_table *drm_gem_dma_object_get_sg_table(struct drm_gem_object *obj)
{
- struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
+ struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
- return drm_gem_cma_get_sg_table(cma_obj);
+ return drm_gem_dma_get_sg_table(dma_obj);
}
/*
- * drm_gem_cma_object_vmap - GEM object function for drm_gem_cma_vmap()
+ * drm_gem_dma_object_vmap - GEM object function for drm_gem_dma_vmap()
* @obj: GEM object
- * @map: Returns the kernel virtual address of the CMA GEM object's backing store.
+ * @map: Returns the kernel virtual address of the DMA GEM object's backing store.
*
- * This function wraps drm_gem_cma_vmap(). Drivers that employ the CMA helpers should
+ * This function wraps drm_gem_dma_vmap(). Drivers that employ the DMA helpers should
* use it as their &drm_gem_object_funcs.vmap handler.
*
* Returns:
* 0 on success or a negative error code on failure.
*/
-static inline int drm_gem_cma_object_vmap(struct drm_gem_object *obj,
+static inline int drm_gem_dma_object_vmap(struct drm_gem_object *obj,
struct iosys_map *map)
{
- struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
+ struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
- return drm_gem_cma_vmap(cma_obj, map);
+ return drm_gem_dma_vmap(dma_obj, map);
}
/**
- * drm_gem_cma_object_mmap - GEM object function for drm_gem_cma_mmap()
+ * drm_gem_dma_object_mmap - GEM object function for drm_gem_dma_mmap()
* @obj: GEM object
* @vma: VMA for the area to be mapped
*
- * This function wraps drm_gem_cma_mmap(). Drivers that employ the cma helpers should
+ * This function wraps drm_gem_dma_mmap(). Drivers that employ the dma helpers should
* use it as their &drm_gem_object_funcs.mmap handler.
*
* Returns:
* 0 on success or a negative error code on failure.
*/
-static inline int drm_gem_cma_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
+static inline int drm_gem_dma_object_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
{
- struct drm_gem_cma_object *cma_obj = to_drm_gem_cma_obj(obj);
+ struct drm_gem_dma_object *dma_obj = to_drm_gem_dma_obj(obj);
- return drm_gem_cma_mmap(cma_obj, vma);
+ return drm_gem_dma_mmap(dma_obj, vma);
}
/*
@@ -138,57 +138,57 @@ static inline int drm_gem_cma_object_mmap(struct drm_gem_object *obj, struct vm_
*/
/* create memory region for DRM framebuffer */
-int drm_gem_cma_dumb_create_internal(struct drm_file *file_priv,
+int drm_gem_dma_dumb_create_internal(struct drm_file *file_priv,
struct drm_device *drm,
struct drm_mode_create_dumb *args);
/* create memory region for DRM framebuffer */
-int drm_gem_cma_dumb_create(struct drm_file *file_priv,
+int drm_gem_dma_dumb_create(struct drm_file *file_priv,
struct drm_device *drm,
struct drm_mode_create_dumb *args);
struct drm_gem_object *
-drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
+drm_gem_dma_prime_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach,
struct sg_table *sgt);
/**
- * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE - CMA GEM driver operations
+ * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE - DMA GEM driver operations
* @dumb_create_func: callback function for .dumb_create
*
* This macro provides a shortcut for setting the default GEM operations in the
* &drm_driver structure.
*
- * This macro is a variant of DRM_GEM_CMA_DRIVER_OPS for drivers that
+ * This macro is a variant of DRM_GEM_DMA_DRIVER_OPS for drivers that
* override the default implementation of &struct rm_driver.dumb_create. Use
- * DRM_GEM_CMA_DRIVER_OPS if possible. Drivers that require a virtual address
+ * DRM_GEM_DMA_DRIVER_OPS if possible. Drivers that require a virtual address
* on imported buffers should use
- * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead.
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead.
*/
-#define DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(dumb_create_func) \
+#define DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(dumb_create_func) \
.dumb_create = (dumb_create_func), \
.prime_handle_to_fd = drm_gem_prime_handle_to_fd, \
.prime_fd_to_handle = drm_gem_prime_fd_to_handle, \
- .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table, \
+ .gem_prime_import_sg_table = drm_gem_dma_prime_import_sg_table, \
.gem_prime_mmap = drm_gem_prime_mmap
/**
- * DRM_GEM_CMA_DRIVER_OPS - CMA GEM driver operations
+ * DRM_GEM_DMA_DRIVER_OPS - DMA GEM driver operations
*
* This macro provides a shortcut for setting the default GEM operations in the
* &drm_driver structure.
*
* Drivers that come with their own implementation of
* &struct drm_driver.dumb_create should use
- * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE() instead. Use
- * DRM_GEM_CMA_DRIVER_OPS if possible. Drivers that require a virtual address
- * on imported buffers should use DRM_GEM_CMA_DRIVER_OPS_VMAP instead.
+ * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE() instead. Use
+ * DRM_GEM_DMA_DRIVER_OPS if possible. Drivers that require a virtual address
+ * on imported buffers should use DRM_GEM_DMA_DRIVER_OPS_VMAP instead.
*/
-#define DRM_GEM_CMA_DRIVER_OPS \
- DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE(drm_gem_cma_dumb_create)
+#define DRM_GEM_DMA_DRIVER_OPS \
+ DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE(drm_gem_dma_dumb_create)
/**
- * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE - CMA GEM driver operations
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE - DMA GEM driver operations
* ensuring a virtual address
* on the buffer
* @dumb_create_func: callback function for .dumb_create
@@ -197,21 +197,21 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
* &drm_driver structure for drivers that need the virtual address also on
* imported buffers.
*
- * This macro is a variant of DRM_GEM_CMA_DRIVER_OPS_VMAP for drivers that
+ * This macro is a variant of DRM_GEM_DMA_DRIVER_OPS_VMAP for drivers that
* override the default implementation of &struct drm_driver.dumb_create. Use
- * DRM_GEM_CMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
* virtual address on imported buffers should use
- * DRM_GEM_CMA_DRIVER_OPS_WITH_DUMB_CREATE() instead.
+ * DRM_GEM_DMA_DRIVER_OPS_WITH_DUMB_CREATE() instead.
*/
-#define DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(dumb_create_func) \
+#define DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(dumb_create_func) \
.dumb_create = dumb_create_func, \
.prime_handle_to_fd = drm_gem_prime_handle_to_fd, \
.prime_fd_to_handle = drm_gem_prime_fd_to_handle, \
- .gem_prime_import_sg_table = drm_gem_cma_prime_import_sg_table_vmap, \
+ .gem_prime_import_sg_table = drm_gem_dma_prime_import_sg_table_vmap, \
.gem_prime_mmap = drm_gem_prime_mmap
/**
- * DRM_GEM_CMA_DRIVER_OPS_VMAP - CMA GEM driver operations ensuring a virtual
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP - DMA GEM driver operations ensuring a virtual
* address on the buffer
*
* This macro provides a shortcut for setting the default GEM operations in the
@@ -220,16 +220,16 @@ drm_gem_cma_prime_import_sg_table(struct drm_device *dev,
*
* Drivers that come with their own implementation of
* &struct drm_driver.dumb_create should use
- * DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead. Use
- * DRM_GEM_CMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
- * virtual address on imported buffers should use DRM_GEM_CMA_DRIVER_OPS
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE() instead. Use
+ * DRM_GEM_DMA_DRIVER_OPS_VMAP if possible. Drivers that do not require a
+ * virtual address on imported buffers should use DRM_GEM_DMA_DRIVER_OPS
* instead.
*/
-#define DRM_GEM_CMA_DRIVER_OPS_VMAP \
- DRM_GEM_CMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(drm_gem_cma_dumb_create)
+#define DRM_GEM_DMA_DRIVER_OPS_VMAP \
+ DRM_GEM_DMA_DRIVER_OPS_VMAP_WITH_DUMB_CREATE(drm_gem_dma_dumb_create)
struct drm_gem_object *
-drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *drm,
+drm_gem_dma_prime_import_sg_table_vmap(struct drm_device *drm,
struct dma_buf_attachment *attach,
struct sg_table *sgt);
@@ -238,22 +238,22 @@ drm_gem_cma_prime_import_sg_table_vmap(struct drm_device *drm,
*/
#ifndef CONFIG_MMU
-unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
+unsigned long drm_gem_dma_get_unmapped_area(struct file *filp,
unsigned long addr,
unsigned long len,
unsigned long pgoff,
unsigned long flags);
-#define DRM_GEM_CMA_UNMAPPED_AREA_FOPS \
- .get_unmapped_area = drm_gem_cma_get_unmapped_area,
+#define DRM_GEM_DMA_UNMAPPED_AREA_FOPS \
+ .get_unmapped_area = drm_gem_dma_get_unmapped_area,
#else
-#define DRM_GEM_CMA_UNMAPPED_AREA_FOPS
+#define DRM_GEM_DMA_UNMAPPED_AREA_FOPS
#endif
/**
- * DEFINE_DRM_GEM_CMA_FOPS() - macro to generate file operations for CMA drivers
+ * DEFINE_DRM_GEM_DMA_FOPS() - macro to generate file operations for DMA drivers
* @name: name for the generated structure
*
- * This macro autogenerates a suitable &struct file_operations for CMA based
+ * This macro autogenerates a suitable &struct file_operations for DMA based
* drivers, which can be assigned to &drm_driver.fops. Note that this structure
* cannot be shared between drivers, because it contains a reference to the
* current module using THIS_MODULE.
@@ -262,7 +262,7 @@ unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
* non-static version of this you're probably doing it wrong and will break the
* THIS_MODULE reference by accident.
*/
-#define DEFINE_DRM_GEM_CMA_FOPS(name) \
+#define DEFINE_DRM_GEM_DMA_FOPS(name) \
static const struct file_operations name = {\
.owner = THIS_MODULE,\
.open = drm_open,\
@@ -273,7 +273,7 @@ unsigned long drm_gem_cma_get_unmapped_area(struct file *filp,
.read = drm_read,\
.llseek = noop_llseek,\
.mmap = drm_gem_mmap,\
- DRM_GEM_CMA_UNMAPPED_AREA_FOPS \
+ DRM_GEM_DMA_UNMAPPED_AREA_FOPS \
}
-#endif /* __DRM_GEM_CMA_HELPER_H__ */
+#endif /* __DRM_GEM_DMA_HELPER_H__ */
diff --git a/include/drm/drm_gem_shmem_helper.h b/include/drm/drm_gem_shmem_helper.h
index d0a57853c188..a2201b2488c5 100644
--- a/include/drm/drm_gem_shmem_helper.h
+++ b/include/drm/drm_gem_shmem_helper.h
@@ -210,7 +210,7 @@ static inline void drm_gem_shmem_object_unpin(struct drm_gem_object *obj)
* use it as their &drm_gem_object_funcs.get_sg_table handler.
*
* Returns:
- * A pointer to the scatter/gather table of pinned pages or NULL on failure.
+ * A pointer to the scatter/gather table of pinned pages or error pointer on failure.
*/
static inline struct sg_table *drm_gem_shmem_object_get_sg_table(struct drm_gem_object *obj)
{
diff --git a/include/drm/drm_mipi_dbi.h b/include/drm/drm_mipi_dbi.h
index dad2f187b64b..14eaecb1825c 100644
--- a/include/drm/drm_mipi_dbi.h
+++ b/include/drm/drm_mipi_dbi.h
@@ -155,6 +155,8 @@ int mipi_dbi_dev_init_with_formats(struct mipi_dbi_dev *dbidev,
int mipi_dbi_dev_init(struct mipi_dbi_dev *dbidev,
const struct drm_simple_display_pipe_funcs *funcs,
const struct drm_display_mode *mode, unsigned int rotation);
+enum drm_mode_status mipi_dbi_pipe_mode_valid(struct drm_simple_display_pipe *pipe,
+ const struct drm_display_mode *mode);
void mipi_dbi_pipe_update(struct drm_simple_display_pipe *pipe,
struct drm_plane_state *old_state);
void mipi_dbi_enable_flush(struct mipi_dbi_dev *dbidev,
diff --git a/include/drm/drm_mipi_dsi.h b/include/drm/drm_mipi_dsi.h
index 91a164bdd8f3..20b21b577dea 100644
--- a/include/drm/drm_mipi_dsi.h
+++ b/include/drm/drm_mipi_dsi.h
@@ -179,6 +179,7 @@ struct mipi_dsi_device_info {
* @lp_rate: maximum lane frequency for low power mode in hertz, this should
* be set to the real limits of the hardware, zero is only accepted for
* legacy drivers
+ * @dsc: panel/bridge DSC pps payload to be sent
*/
struct mipi_dsi_device {
struct mipi_dsi_host *host;
@@ -191,6 +192,7 @@ struct mipi_dsi_device {
unsigned long mode_flags;
unsigned long hs_rate;
unsigned long lp_rate;
+ struct drm_dsc_config *dsc;
};
#define MIPI_DSI_MODULE_PREFIX "mipi-dsi:"
@@ -322,7 +324,7 @@ int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi,
struct mipi_dsi_driver {
struct device_driver driver;
int(*probe)(struct mipi_dsi_device *dsi);
- int(*remove)(struct mipi_dsi_device *dsi);
+ void (*remove)(struct mipi_dsi_device *dsi);
void (*shutdown)(struct mipi_dsi_device *dsi);
};
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
index a80ae9639e96..b0c680e6f670 100644
--- a/include/drm/drm_modes.h
+++ b/include/drm/drm_modes.h
@@ -139,6 +139,35 @@ enum drm_mode_status {
.vscan = (vs), .flags = (f)
/**
+ * DRM_MODE_RES_MM - Calculates the display size from resolution and DPI
+ * @res: The resolution in pixel
+ * @dpi: The number of dots per inch
+ */
+#define DRM_MODE_RES_MM(res, dpi) \
+ (((res) * 254ul) / ((dpi) * 10ul))
+
+#define __DRM_MODE_INIT(pix, hd, vd, hd_mm, vd_mm) \
+ .type = DRM_MODE_TYPE_DRIVER, .clock = (pix), \
+ .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)
+
+/**
+ * DRM_MODE_INIT - Initialize display mode
+ * @hz: Vertical refresh rate in Hertz
+ * @hd: Horizontal resolution, width
+ * @vd: Vertical resolution, height
+ * @hd_mm: Display width in millimeters
+ * @vd_mm: Display height in millimeters
+ *
+ * This macro initializes a &drm_display_mode that contains information about
+ * refresh rate, resolution and physical size.
+ */
+#define DRM_MODE_INIT(hz, hd, vd, hd_mm, vd_mm) \
+ __DRM_MODE_INIT((hd) * (vd) * (hz) / 1000 /* kHz */, hd, vd, hd_mm, vd_mm)
+
+/**
* DRM_SIMPLE_MODE - Simple display mode
* @hd: Horizontal resolution, width
* @vd: Vertical resolution, height
@@ -149,11 +178,7 @@ enum drm_mode_status {
* resolution and physical size.
*/
#define DRM_SIMPLE_MODE(hd, vd, hd_mm, vd_mm) \
- .type = DRM_MODE_TYPE_DRIVER, .clock = 1 /* pass validation */, \
- .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)
+ __DRM_MODE_INIT(1 /* pass validation */, hd, vd, hd_mm, vd_mm)
#define CRTC_INTERLACE_HALVE_V (1 << 0) /* halve V values for interlacing */
#define CRTC_STEREO_DOUBLE (1 << 1) /* adjust timings for stereo modes */
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 3a271128c078..994bfcdd84c5 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -188,13 +188,6 @@ struct drm_panel {
* Panel entry in registry.
*/
struct list_head list;
-
- /**
- * @dsc:
- *
- * Panel DSC pps payload to be sent
- */
- struct drm_dsc_config *dsc;
};
void drm_panel_init(struct drm_panel *panel, struct device *dev,
diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h
index 89ea54652e87..447e664e49d5 100644
--- a/include/drm/drm_plane.h
+++ b/include/drm/drm_plane.h
@@ -631,7 +631,7 @@ struct drm_plane {
unsigned int format_count;
/**
* @format_default: driver hasn't supplied supported formats for the
- * plane. Used by the drm_plane_init compatibility wrapper only.
+ * plane. Used by the non-atomic driver compatibility wrapper only.
*/
bool format_default;
@@ -762,12 +762,6 @@ int drm_universal_plane_init(struct drm_device *dev,
const uint64_t *format_modifiers,
enum drm_plane_type type,
const char *name, ...);
-int drm_plane_init(struct drm_device *dev,
- struct drm_plane *plane,
- uint32_t possible_crtcs,
- const struct drm_plane_funcs *funcs,
- const uint32_t *formats, unsigned int format_count,
- bool is_primary);
void drm_plane_cleanup(struct drm_plane *plane);
__printf(10, 11)
@@ -815,6 +809,50 @@ void *__drmm_universal_plane_alloc(struct drm_device *dev,
format_count, format_modifiers, \
plane_type, name, ##__VA_ARGS__))
+__printf(10, 11)
+void *__drm_universal_plane_alloc(struct drm_device *dev,
+ size_t size, size_t offset,
+ uint32_t possible_crtcs,
+ const struct drm_plane_funcs *funcs,
+ const uint32_t *formats,
+ unsigned int format_count,
+ const uint64_t *format_modifiers,
+ enum drm_plane_type plane_type,
+ const char *name, ...);
+
+/**
+ * drm_universal_plane_alloc() - Allocate and initialize an universal plane object
+ * @dev: DRM device
+ * @type: the type of the struct which contains struct &drm_plane
+ * @member: the name of the &drm_plane within @type
+ * @possible_crtcs: bitmask of possible CRTCs
+ * @funcs: callbacks for the new plane
+ * @formats: array of supported formats (DRM_FORMAT\_\*)
+ * @format_count: number of elements in @formats
+ * @format_modifiers: array of struct drm_format modifiers terminated by
+ * DRM_FORMAT_MOD_INVALID
+ * @plane_type: type of plane (overlay, primary, cursor)
+ * @name: printf style format string for the plane name, or NULL for default name
+ *
+ * Allocates and initializes a plane object of type @type. The caller
+ * is responsible for releasing the allocated memory with kfree().
+ *
+ * Drivers are encouraged to use drmm_universal_plane_alloc() instead.
+ *
+ * Drivers that only support the DRM_FORMAT_MOD_LINEAR modifier support may set
+ * @format_modifiers to NULL. The plane will advertise the linear modifier.
+ *
+ * Returns:
+ * Pointer to new plane, or ERR_PTR on failure.
+ */
+#define drm_universal_plane_alloc(dev, type, member, possible_crtcs, funcs, formats, \
+ format_count, format_modifiers, plane_type, name, ...) \
+ ((type *)__drm_universal_plane_alloc(dev, sizeof(type), \
+ offsetof(type, member), \
+ possible_crtcs, funcs, formats, \
+ format_count, format_modifiers, \
+ plane_type, name, ##__VA_ARGS__))
+
/**
* drm_plane_index - find the index of a registered plane
* @plane: plane to find index for
diff --git a/include/drm/drm_plane_helper.h b/include/drm/drm_plane_helper.h
index 331ebd60b3a3..ff83d2621687 100644
--- a/include/drm/drm_plane_helper.h
+++ b/include/drm/drm_plane_helper.h
@@ -24,21 +24,35 @@
#ifndef DRM_PLANE_HELPER_H
#define DRM_PLANE_HELPER_H
-#include <drm/drm_rect.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_modeset_helper_vtables.h>
-#include <drm/drm_modeset_helper.h>
+#include <linux/types.h>
-/*
- * Drivers that don't allow primary plane scaling may pass this macro in place
- * of the min/max scale parameters of the update checker function.
+struct drm_crtc;
+struct drm_framebuffer;
+struct drm_modeset_acquire_ctx;
+struct drm_plane;
+
+int drm_plane_helper_update_primary(struct drm_plane *plane, struct drm_crtc *crtc,
+ struct drm_framebuffer *fb,
+ int crtc_x, int crtc_y,
+ unsigned int crtc_w, unsigned int crtc_h,
+ uint32_t src_x, uint32_t src_y,
+ uint32_t src_w, uint32_t src_h,
+ struct drm_modeset_acquire_ctx *ctx);
+int drm_plane_helper_disable_primary(struct drm_plane *plane,
+ struct drm_modeset_acquire_ctx *ctx);
+void drm_plane_helper_destroy(struct drm_plane *plane);
+int drm_plane_helper_atomic_check(struct drm_plane *plane, struct drm_atomic_state *state);
+
+/**
+ * DRM_PLANE_NON_ATOMIC_FUNCS - Default plane functions for non-atomic drivers
*
- * Due to src being in 16.16 fixed point and dest being in integer pixels,
- * 1<<16 represents no scaling.
+ * This macro initializes plane functions for non-atomic drivers to default
+ * values. Non-atomic interfaces are deprecated and should not be used in new
+ * drivers.
*/
-#define DRM_PLANE_HELPER_NO_SCALING (1<<16)
-
-void drm_primary_helper_destroy(struct drm_plane *plane);
-extern const struct drm_plane_funcs drm_primary_helper_funcs;
+#define DRM_PLANE_NON_ATOMIC_FUNCS \
+ .update_plane = drm_plane_helper_update_primary, \
+ .disable_plane = drm_plane_helper_disable_primary, \
+ .destroy = drm_plane_helper_destroy
#endif
diff --git a/include/drm/drm_probe_helper.h b/include/drm/drm_probe_helper.h
index 8075e02aa865..5880daa14624 100644
--- a/include/drm/drm_probe_helper.h
+++ b/include/drm/drm_probe_helper.h
@@ -3,9 +3,10 @@
#ifndef __DRM_PROBE_HELPER_H__
#define __DRM_PROBE_HELPER_H__
-#include <linux/types.h>
+#include <drm/drm_modes.h>
struct drm_connector;
+struct drm_crtc;
struct drm_device;
struct drm_modeset_acquire_ctx;
@@ -26,7 +27,13 @@ void drm_kms_helper_poll_disable(struct drm_device *dev);
void drm_kms_helper_poll_enable(struct drm_device *dev);
bool drm_kms_helper_is_poll_worker(void);
+enum drm_mode_status drm_crtc_helper_mode_valid_fixed(struct drm_crtc *crtc,
+ const struct drm_display_mode *mode,
+ const struct drm_display_mode *fixed_mode);
+
int drm_connector_helper_get_modes_from_ddc(struct drm_connector *connector);
+int drm_connector_helper_get_modes_fixed(struct drm_connector *connector,
+ const struct drm_display_mode *fixed_mode);
int drm_connector_helper_get_modes(struct drm_connector *connector);
#endif
diff --git a/include/drm/gpu_scheduler.h b/include/drm/gpu_scheduler.h
index addb135eeea6..599855c6a672 100644
--- a/include/drm/gpu_scheduler.h
+++ b/include/drm/gpu_scheduler.h
@@ -329,10 +329,10 @@ enum drm_gpu_sched_stat {
};
/**
- * struct drm_sched_backend_ops
+ * struct drm_sched_backend_ops - Define the backend operations
+ * called by the scheduler
*
- * Define the backend operations called by the scheduler,
- * these functions should be implemented in driver side.
+ * These functions should be implemented in the driver side.
*/
struct drm_sched_backend_ops {
/**
@@ -409,7 +409,7 @@ struct drm_sched_backend_ops {
};
/**
- * struct drm_gpu_scheduler
+ * struct drm_gpu_scheduler - scheduler instance-specific data
*
* @ops: backend operations provided by the driver.
* @hw_submission_limit: the max size of the hardware queue.
@@ -435,6 +435,7 @@ struct drm_sched_backend_ops {
* @_score: score used when the driver doesn't provide one
* @ready: marks if the underlying HW is ready to work
* @free_guilty: A hit to time out handler to free the guilty job.
+ * @dev: system &struct device
*
* One scheduler is implemented for each hardware ring.
*/
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 278031aa2e84..4a4c190f7698 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -641,6 +641,7 @@
INTEL_VGA_DEVICE(0x4682, info), \
INTEL_VGA_DEVICE(0x4688, info), \
INTEL_VGA_DEVICE(0x468A, info), \
+ INTEL_VGA_DEVICE(0x468B, info), \
INTEL_VGA_DEVICE(0x4690, info), \
INTEL_VGA_DEVICE(0x4692, info), \
INTEL_VGA_DEVICE(0x4693, info)
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 2d524f8b0802..44a538ee5e2a 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -317,93 +317,16 @@ void ttm_bo_unlock_delayed_workqueue(struct ttm_device *bdev, int resched);
bool ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,
const struct ttm_place *place);
-/**
- * ttm_bo_init_reserved
- *
- * @bdev: Pointer to a ttm_device struct.
- * @bo: Pointer to a ttm_buffer_object to be initialized.
- * @size: Requested size of buffer object.
- * @type: Requested type of buffer object.
- * @placement: Initial placement for buffer object.
- * @page_alignment: Data alignment in pages.
- * @ctx: TTM operation context for memory allocation.
- * @sg: Scatter-gather table.
- * @resv: Pointer to a dma_resv, or NULL to let ttm allocate one.
- * @destroy: Destroy function. Use NULL for kfree().
- *
- * This function initializes a pre-allocated struct ttm_buffer_object.
- * As this object may be part of a larger structure, this function,
- * together with the @destroy function,
- * enables driver-specific objects derived from a ttm_buffer_object.
- *
- * On successful return, the caller owns an object kref to @bo. The kref and
- * list_kref are usually set to 1, but note that in some situations, other
- * tasks may already be holding references to @bo as well.
- * Furthermore, if resv == NULL, the buffer's reservation lock will be held,
- * and it is the caller's responsibility to call ttm_bo_unreserve.
- *
- * If a failure occurs, the function will call the @destroy function, or
- * kfree() if @destroy is NULL. Thus, after a failure, dereferencing @bo is
- * illegal and will likely cause memory corruption.
- *
- * Returns
- * -ENOMEM: Out of memory.
- * -EINVAL: Invalid placement flags.
- * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
- */
-
-int ttm_bo_init_reserved(struct ttm_device *bdev,
- struct ttm_buffer_object *bo,
- size_t size, enum ttm_bo_type type,
- struct ttm_placement *placement,
- uint32_t page_alignment,
- struct ttm_operation_ctx *ctx,
+int ttm_bo_init_reserved(struct ttm_device *bdev, struct ttm_buffer_object *bo,
+ enum ttm_bo_type type, struct ttm_placement *placement,
+ uint32_t alignment, struct ttm_operation_ctx *ctx,
+ struct sg_table *sg, struct dma_resv *resv,
+ void (*destroy) (struct ttm_buffer_object *));
+int ttm_bo_init_validate(struct ttm_device *bdev, struct ttm_buffer_object *bo,
+ enum ttm_bo_type type, struct ttm_placement *placement,
+ uint32_t alignment, bool interruptible,
struct sg_table *sg, struct dma_resv *resv,
void (*destroy) (struct ttm_buffer_object *));
-
-/**
- * ttm_bo_init
- *
- * @bdev: Pointer to a ttm_device struct.
- * @bo: Pointer to a ttm_buffer_object to be initialized.
- * @size: Requested size of buffer object.
- * @type: Requested type of buffer object.
- * @placement: Initial placement for buffer object.
- * @page_alignment: Data alignment in pages.
- * @interruptible: If needing to sleep to wait for GPU resources,
- * sleep interruptible.
- * pinned in physical memory. If this behaviour is not desired, this member
- * holds a pointer to a persistent shmem object. Typically, this would
- * point to the shmem object backing a GEM object if TTM is used to back a
- * GEM user interface.
- * @sg: Scatter-gather table.
- * @resv: Pointer to a dma_resv, or NULL to let ttm allocate one.
- * @destroy: Destroy function. Use NULL for kfree().
- *
- * This function initializes a pre-allocated struct ttm_buffer_object.
- * As this object may be part of a larger structure, this function,
- * together with the @destroy function,
- * enables driver-specific objects derived from a ttm_buffer_object.
- *
- * On successful return, the caller owns an object kref to @bo. The kref and
- * list_kref are usually set to 1, but note that in some situations, other
- * tasks may already be holding references to @bo as well.
- *
- * If a failure occurs, the function will call the @destroy function, or
- * kfree() if @destroy is NULL. Thus, after a failure, dereferencing @bo is
- * illegal and will likely cause memory corruption.
- *
- * Returns
- * -ENOMEM: Out of memory.
- * -EINVAL: Invalid placement flags.
- * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources.
- */
-int ttm_bo_init(struct ttm_device *bdev, struct ttm_buffer_object *bo,
- size_t size, enum ttm_bo_type type,
- struct ttm_placement *placement,
- uint32_t page_alignment, bool interrubtible,
- struct sg_table *sg, struct dma_resv *resv,
- void (*destroy) (struct ttm_buffer_object *));
/**
* ttm_kmap_obj_virtual
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 897b88f0bd59..1afa891f488a 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -106,7 +106,7 @@ static inline int ttm_bo_reserve(struct ttm_buffer_object *bo,
bool interruptible, bool no_wait,
struct ww_acquire_ctx *ticket)
{
- int ret = 0;
+ int ret;
if (no_wait) {
bool success;
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
index ca89a48c2460..5afc6d664fde 100644
--- a/include/drm/ttm/ttm_resource.h
+++ b/include/drm/ttm/ttm_resource.h
@@ -89,6 +89,38 @@ struct ttm_resource_manager_func {
struct ttm_resource *res);
/**
+ * struct ttm_resource_manager_func member intersects
+ *
+ * @man: Pointer to a memory type manager.
+ * @res: Pointer to a struct ttm_resource to be checked.
+ * @place: Placement to check against.
+ * @size: Size of the check.
+ *
+ * Test if @res intersects with @place + @size. Used to judge if
+ * evictions are valueable or not.
+ */
+ bool (*intersects)(struct ttm_resource_manager *man,
+ struct ttm_resource *res,
+ const struct ttm_place *place,
+ size_t size);
+
+ /**
+ * struct ttm_resource_manager_func member compatible
+ *
+ * @man: Pointer to a memory type manager.
+ * @res: Pointer to a struct ttm_resource to be checked.
+ * @place: Placement to check against.
+ * @size: Size of the check.
+ *
+ * Test if @res compatible with @place + @size. Used to check of
+ * the need to move the backing store or not.
+ */
+ bool (*compatible)(struct ttm_resource_manager *man,
+ struct ttm_resource *res,
+ const struct ttm_place *place,
+ size_t size);
+
+ /**
* struct ttm_resource_manager_func member debug
*
* @man: Pointer to a memory type manager.
@@ -329,6 +361,14 @@ int ttm_resource_alloc(struct ttm_buffer_object *bo,
const struct ttm_place *place,
struct ttm_resource **res);
void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource **res);
+bool ttm_resource_intersects(struct ttm_device *bdev,
+ struct ttm_resource *res,
+ const struct ttm_place *place,
+ size_t size);
+bool ttm_resource_compatible(struct ttm_device *bdev,
+ struct ttm_resource *res,
+ const struct ttm_place *place,
+ size_t size);
bool ttm_resource_compat(struct ttm_resource *res,
struct ttm_placement *placement);
void ttm_resource_set_bo(struct ttm_resource *res,