| /* |
| * Copyright (c) 2015-2020 The Linux Foundation. All rights reserved. |
| * Copyright (C) 2013 Red Hat |
| * Author: Rob Clark <robdclark@gmail.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published by |
| * the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| * |
| * You should have received a copy of the GNU General Public License along with |
| * this program. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef _SDE_CRTC_H_ |
| #define _SDE_CRTC_H_ |
| |
| #include <linux/kthread.h> |
| #include <linux/of_fdt.h> |
| #include <drm/drm_crtc.h> |
| #include "msm_prop.h" |
| #include "sde_fence.h" |
| #include "sde_kms.h" |
| #include "sde_core_perf.h" |
| #include "sde_hw_ds.h" |
| |
| #define SDE_CRTC_NAME_SIZE 12 |
| #define RGB_NUM_COMPONENTS 3 |
| |
| /* define the maximum number of in-flight frame events */ |
| /* Expand it to 2x for handling atleast 2 connectors safely */ |
| #define SDE_CRTC_FRAME_EVENT_SIZE (4 * 2) |
| |
| /** |
| * enum sde_crtc_client_type: crtc client type |
| * @RT_CLIENT: RealTime client like video/cmd mode display |
| * voting through apps rsc |
| * @NRT_CLIENT: Non-RealTime client like WB display |
| * voting through apps rsc |
| * @RT_RSC_CLIENT: Realtime display RSC voting client |
| */ |
| enum sde_crtc_client_type { |
| RT_CLIENT, |
| NRT_CLIENT, |
| RT_RSC_CLIENT, |
| }; |
| |
| /** |
| * enum sde_crtc_output_capture_point |
| * @MIXER_OUT : capture mixer output |
| * @DSPP_OUT : capture output of dspp |
| */ |
| enum sde_crtc_output_capture_point { |
| CAPTURE_MIXER_OUT, |
| CAPTURE_DSPP_OUT |
| }; |
| |
| /** |
| * enum sde_crtc_idle_pc_state: states of idle power collapse |
| * @IDLE_PC_NONE: no-op |
| * @IDLE_PC_ENABLE: enable idle power-collapse |
| * @IDLE_PC_DISABLE: disable idle power-collapse |
| */ |
| enum sde_crtc_idle_pc_state { |
| IDLE_PC_NONE, |
| IDLE_PC_ENABLE, |
| IDLE_PC_DISABLE, |
| }; |
| |
| /** |
| * @connectors : Currently associated drm connectors for retire event |
| * @num_connectors: Number of associated drm connectors for retire event |
| * @list: event list |
| */ |
| struct sde_crtc_retire_event { |
| struct drm_connector *connectors[MAX_CONNECTORS]; |
| int num_connectors; |
| struct list_head list; |
| }; |
| |
| /** |
| * struct sde_crtc_mixer: stores the map for each virtual pipeline in the CRTC |
| * @hw_lm: LM HW Driver context |
| * @hw_ctl: CTL Path HW driver context |
| * @hw_dspp: DSPP HW driver context |
| * @hw_ds: DS HW driver context |
| * @encoder: Encoder attached to this lm & ctl |
| * @mixer_op_mode: mixer blending operation mode |
| */ |
| struct sde_crtc_mixer { |
| struct sde_hw_mixer *hw_lm; |
| struct sde_hw_ctl *hw_ctl; |
| struct sde_hw_dspp *hw_dspp; |
| struct sde_hw_ds *hw_ds; |
| struct drm_encoder *encoder; |
| u32 mixer_op_mode; |
| }; |
| |
| /** |
| * struct sde_crtc_frame_event_cb_data : info of drm objects of a frame event |
| * @crtc: pointer to drm crtc object registered for frame event |
| * @connector: pointer to drm connector which is source of frame event |
| */ |
| struct sde_crtc_frame_event_cb_data { |
| struct drm_crtc *crtc; |
| struct drm_connector *connector; |
| }; |
| |
| /** |
| * struct sde_crtc_frame_event: stores crtc frame event for crtc processing |
| * @work: base work structure |
| * @crtc: Pointer to crtc handling this event |
| * @connector: pointer to drm connector which is source of frame event |
| * @list: event list |
| * @ts: timestamp at queue entry |
| * @event: event identifier |
| */ |
| struct sde_crtc_frame_event { |
| struct kthread_work work; |
| struct drm_crtc *crtc; |
| struct drm_connector *connector; |
| struct list_head list; |
| ktime_t ts; |
| u32 event; |
| }; |
| |
| /** |
| * struct sde_crtc_event - event callback tracking structure |
| * @list: Linked list tracking node |
| * @kt_work: Kthread worker structure |
| * @sde_crtc: Pointer to associated sde_crtc structure |
| * @cb_func: Pointer to callback function |
| * @usr: Pointer to user data to be provided to the callback |
| */ |
| struct sde_crtc_event { |
| struct list_head list; |
| struct kthread_work kt_work; |
| void *sde_crtc; |
| |
| void (*cb_func)(struct drm_crtc *crtc, void *usr); |
| void *usr; |
| }; |
| /** |
| * struct sde_crtc_fps_info - structure for measuring fps periodicity |
| * @frame_count : Total frames during configured periodic duration |
| * @last_sampled_time_us: Stores the last ktime in microsecs when fps |
| * was calculated |
| * @measured_fps : Last measured fps value |
| * @fps_periodic_duration : Duration in milliseconds to measure the fps. |
| * Default value is 1 second. |
| * @time_buf : Buffer for storing ktime of the commits |
| * @next_time_index : index into time_buf for storing ktime for next commit |
| */ |
| struct sde_crtc_fps_info { |
| u32 frame_count; |
| ktime_t last_sampled_time_us; |
| u32 measured_fps; |
| u32 fps_periodic_duration; |
| ktime_t *time_buf; |
| u32 next_time_index; |
| }; |
| |
| /** |
| * struct sde_ltm_buffer - defines LTM buffer structure. |
| * @fb: frm framebuffer for the buffer |
| * @gem: drm gem handle for the buffer |
| * @asapce : pointer to address space |
| * @drm_fb_id: framebuffer id associated with this buffer |
| * @offset: offset for alignment |
| * @iova: device address |
| * @kva: kernel virtual address |
| * @node: list node for LTM buffer list; |
| */ |
| struct sde_ltm_buffer { |
| struct drm_framebuffer *fb; |
| struct drm_gem_object *gem; |
| struct msm_gem_address_space *aspace; |
| u32 drm_fb_id; |
| u32 offset; |
| u64 iova; |
| void *kva; |
| struct list_head node; |
| }; |
| |
| /** |
| * struct sde_crtc_misr_info - structure for misr information |
| * @misr_enable : enable/disable flag |
| * @misr_frame_count : Number of frames for misr calculation. |
| */ |
| struct sde_crtc_misr_info { |
| bool misr_enable; |
| u32 misr_frame_count; |
| }; |
| |
| /* |
| * Maximum number of free event structures to cache |
| */ |
| #define SDE_CRTC_MAX_EVENT_COUNT 16 |
| |
| /** |
| * struct sde_crtc - virtualized CRTC data structure |
| * @base : Base drm crtc structure |
| * @name : ASCII description of this crtc |
| * @num_ctls : Number of ctl paths in use |
| * @num_mixers : Number of mixers in use |
| * @mixers_swapped: Whether the mixers have been swapped for left/right update |
| * especially in the case of DSC Merge. |
| * @mixers : List of active mixers |
| * @event : Pointer to last received drm vblank event. If there is a |
| * pending vblank event, this will be non-null. |
| * @vsync_count : Running count of received vsync events |
| * @drm_requested_vblank : Whether vblanks have been enabled in the encoder |
| * @property_info : Opaque structure for generic property support |
| * @property_defaults : Array of default values for generic property support |
| * @output_fence : output release fence context |
| * @stage_cfg : H/w mixer stage configuration |
| * @debugfs_root : Parent of debugfs node |
| * @priv_handle : Pointer to external private handle, if present |
| * @vblank_cb_count : count of vblank callback since last reset |
| * @play_count : frame count between crtc enable and disable |
| * @vblank_cb_time : ktime at vblank count reset |
| * @vblank_last_cb_time : ktime at last vblank notification |
| * @sysfs_dev : sysfs device node for crtc |
| * @vsync_event_sf : vsync event notifier sysfs device |
| * @enabled : whether the SDE CRTC is currently enabled. updated in the |
| * commit-thread, not state-swap time which is earlier, so |
| * safe to make decisions on during VBLANK on/off work |
| * @ds_reconfig : force reconfiguration of the destination scaler block |
| * @feature_list : list of color processing features supported on a crtc |
| * @active_list : list of color processing features are active |
| * @dirty_list : list of color processing features are dirty |
| * @ad_dirty : list containing ad properties that are dirty |
| * @ad_active : list containing ad properties that are active |
| * @crtc_lock : crtc lock around create, destroy and access. |
| * @vblank_modeset_ctrl_lock : lock used for controlling vblank |
| during modeset |
| * @frame_pending : Whether or not an update is pending |
| * @frame_events : static allocation of in-flight frame events |
| * @frame_event_list : available frame event list |
| * @spin_lock : spin lock for frame event, transaction status, etc... |
| * @event_thread : Pointer to event handler thread |
| * @event_worker : Event worker queue |
| * @event_cache : Local cache of event worker structures |
| * @event_free_list : List of available event structures |
| * @event_lock : Spinlock around event handling code |
| * @misr_enable_sui : boolean entry indicates misr enable/disable status |
| * for secure cases. |
| * @misr_enable_debugfs : boolean entry indicates misr enable/disable status |
| * from debugfs. |
| * @misr_frame_count : misr frame count provided by client |
| * @misr_data : store misr data before turning off the clocks. |
| * @idle_notify_work: delayed worker to notify idle timeout to user space |
| * @early_wakeup_work: work to trigger early wakeup |
| * @power_event : registered power event handle |
| * @cur_perf : current performance committed to clock/bandwidth driver |
| * @plane_mask_old: keeps track of the planes used in the previous commit |
| * @frame_trigger_mode: frame trigger mode |
| * @ltm_buffer_cnt : number of ltm buffers |
| * @ltm_buffers : struct stores ltm buffer related data |
| * @ltm_buf_free : list of LTM buffers that are available |
| * @ltm_buf_busy : list of LTM buffers that are been used by HW |
| * @ltm_hist_en : flag to indicate whether LTM hist is enabled or not |
| * @ltm_buffer_lock : muttx to protect ltm_buffers allcation and free |
| * @ltm_lock : Spinlock to protect ltm buffer_cnt, hist_en and ltm lists |
| * @needs_hw_reset : Initiate a hw ctl reset |
| * @comp_ratio : Compression ratio |
| */ |
| struct sde_crtc { |
| struct drm_crtc base; |
| char name[SDE_CRTC_NAME_SIZE]; |
| |
| /* HW Resources reserved for the crtc */ |
| u32 num_ctls; |
| u32 num_mixers; |
| bool mixers_swapped; |
| struct sde_crtc_mixer mixers[CRTC_DUAL_MIXERS]; |
| |
| struct drm_pending_vblank_event *event; |
| u32 vsync_count; |
| |
| struct msm_property_info property_info; |
| struct msm_property_data property_data[CRTC_PROP_COUNT]; |
| struct drm_property_blob *blob_info; |
| |
| /* output fence support */ |
| struct sde_fence_context *output_fence; |
| |
| struct sde_hw_stage_cfg stage_cfg; |
| struct dentry *debugfs_root; |
| void *priv_handle; |
| |
| u32 vblank_cb_count; |
| u64 play_count; |
| ktime_t vblank_cb_time; |
| ktime_t vblank_last_cb_time; |
| struct sde_crtc_fps_info fps_info; |
| struct device *sysfs_dev; |
| struct kernfs_node *vsync_event_sf; |
| bool enabled; |
| |
| bool ds_reconfig; |
| struct list_head feature_list; |
| struct list_head active_list; |
| struct list_head dirty_list; |
| struct list_head ad_dirty; |
| struct list_head ad_active; |
| struct list_head user_event_list; |
| |
| struct mutex crtc_lock; |
| struct mutex crtc_cp_lock; |
| struct mutex vblank_modeset_ctrl_lock; |
| |
| atomic_t frame_pending; |
| struct sde_crtc_frame_event frame_events[SDE_CRTC_FRAME_EVENT_SIZE]; |
| struct list_head frame_event_list; |
| spinlock_t spin_lock; |
| |
| /* for handling internal event thread */ |
| struct sde_crtc_event event_cache[SDE_CRTC_MAX_EVENT_COUNT]; |
| struct list_head event_free_list; |
| spinlock_t event_lock; |
| bool misr_enable_sui; |
| bool misr_enable_debugfs; |
| u32 misr_frame_count; |
| struct kthread_delayed_work idle_notify_work; |
| struct kthread_work early_wakeup_work; |
| |
| struct sde_power_event *power_event; |
| |
| struct sde_core_perf_params cur_perf; |
| struct sde_core_perf_params new_perf; |
| |
| u32 plane_mask_old; |
| |
| /* blob for histogram data */ |
| struct drm_property_blob *hist_blob; |
| enum frame_trigger_mode_type frame_trigger_mode; |
| |
| u32 ltm_buffer_cnt; |
| struct sde_ltm_buffer *ltm_buffers[LTM_BUFFER_SIZE]; |
| struct list_head ltm_buf_free; |
| struct list_head ltm_buf_busy; |
| bool ltm_hist_en; |
| struct drm_msm_ltm_cfg_param ltm_cfg; |
| struct mutex ltm_buffer_lock; |
| spinlock_t ltm_lock; |
| bool needs_hw_reset; |
| |
| int comp_ratio; |
| }; |
| |
| #define to_sde_crtc(x) container_of(x, struct sde_crtc, base) |
| |
| /** |
| * struct sde_crtc_state - sde container for atomic crtc state |
| * @base: Base drm crtc state structure |
| * @connectors : Currently associated drm connectors |
| * @num_connectors: Number of associated drm connectors |
| * @rsc_client : sde rsc client when mode is valid |
| * @is_ppsplit : Whether current topology requires PPSplit special handling |
| * @bw_control : true if bw/clk controlled by core bw/clk properties |
| * @bw_split_vote : true if bw controlled by llcc/dram bw properties |
| * @crtc_roi : Current CRTC ROI. Possibly sub-rectangle of mode. |
| * Origin top left of CRTC. |
| * @lm_bounds : LM boundaries based on current mode full resolution, no ROI. |
| * Origin top left of CRTC. |
| * @lm_roi : Current LM ROI, possibly sub-rectangle of mode. |
| * Origin top left of CRTC. |
| * @user_roi_list : List of user's requested ROIs as from set property |
| * @property_state: Local storage for msm_prop properties |
| * @property_values: Current crtc property values |
| * @input_fence_timeout_ns : Cached input fence timeout, in ns |
| * @num_dim_layers: Number of dim layers |
| * @dim_layer: Dim layer configs |
| * @num_ds: Number of destination scalers to be configured |
| * @num_ds_enabled: Number of destination scalers enabled |
| * @ds_dirty: Boolean to indicate if dirty or not |
| * @ds_cfg: Destination scaler config |
| * @scl3_lut_cfg: QSEED3 lut config |
| * @new_perf: new performance state being requested |
| */ |
| struct sde_crtc_state { |
| struct drm_crtc_state base; |
| |
| struct drm_connector *connectors[MAX_CONNECTORS]; |
| int num_connectors; |
| struct sde_rsc_client *rsc_client; |
| bool rsc_update; |
| bool bw_control; |
| bool bw_split_vote; |
| |
| bool is_ppsplit; |
| struct sde_rect crtc_roi; |
| struct sde_rect lm_bounds[CRTC_DUAL_MIXERS]; |
| struct sde_rect lm_roi[CRTC_DUAL_MIXERS]; |
| struct msm_roi_list user_roi_list; |
| |
| struct msm_property_state property_state; |
| struct msm_property_value property_values[CRTC_PROP_COUNT]; |
| uint64_t input_fence_timeout_ns; |
| uint32_t num_dim_layers; |
| struct sde_hw_dim_layer dim_layer[SDE_MAX_DIM_LAYERS]; |
| uint32_t num_ds; |
| uint32_t num_ds_enabled; |
| bool ds_dirty; |
| struct sde_hw_ds_cfg ds_cfg[SDE_MAX_DS_COUNT]; |
| struct sde_hw_scaler3_lut_cfg scl3_lut_cfg; |
| |
| struct sde_core_perf_params new_perf; |
| }; |
| |
| enum sde_crtc_irq_state { |
| IRQ_NOINIT, |
| IRQ_ENABLED, |
| IRQ_DISABLING, |
| IRQ_DISABLED, |
| }; |
| |
| /** |
| * sde_crtc_irq_info - crtc interrupt info |
| * @irq: interrupt callback |
| * @event: event type of the interrupt |
| * @func: function pointer to enable/disable the interrupt |
| * @list: list of user customized event in crtc |
| * @state: state of the interrupt |
| * @state_lock: spin lock for interrupt state |
| */ |
| struct sde_crtc_irq_info { |
| struct sde_irq_callback irq; |
| u32 event; |
| int (*func)(struct drm_crtc *crtc, bool en, |
| struct sde_irq_callback *irq); |
| struct list_head list; |
| enum sde_crtc_irq_state state; |
| spinlock_t state_lock; |
| }; |
| |
| #define to_sde_crtc_state(x) \ |
| container_of(x, struct sde_crtc_state, base) |
| |
| /** |
| * sde_crtc_get_property - query integer value of crtc property |
| * @S: Pointer to crtc state |
| * @X: Property index, from enum msm_mdp_crtc_property |
| * Returns: Integer value of requested property |
| */ |
| #define sde_crtc_get_property(S, X) \ |
| ((S) && ((X) < CRTC_PROP_COUNT) ? ((S)->property_values[(X)].value) : 0) |
| |
| /** |
| * sde_crtc_get_mixer_width - get the mixer width |
| * Mixer width will be same as panel width(/2 for split) |
| * unless destination scaler feature is enabled |
| */ |
| static inline int sde_crtc_get_mixer_width(struct sde_crtc *sde_crtc, |
| struct sde_crtc_state *cstate, struct drm_display_mode *mode) |
| { |
| u32 mixer_width; |
| |
| if (!sde_crtc || !cstate || !mode) |
| return 0; |
| |
| if (cstate->num_ds_enabled) |
| mixer_width = cstate->ds_cfg[0].lm_width; |
| else |
| mixer_width = (sde_crtc->num_mixers == CRTC_DUAL_MIXERS ? |
| mode->hdisplay / CRTC_DUAL_MIXERS : mode->hdisplay); |
| |
| return mixer_width; |
| } |
| |
| /** |
| * sde_crtc_get_mixer_height - get the mixer height |
| * Mixer height will be same as panel height unless |
| * destination scaler feature is enabled |
| */ |
| static inline int sde_crtc_get_mixer_height(struct sde_crtc *sde_crtc, |
| struct sde_crtc_state *cstate, struct drm_display_mode *mode) |
| { |
| if (!sde_crtc || !cstate || !mode) |
| return 0; |
| |
| return (cstate->num_ds_enabled ? |
| cstate->ds_cfg[0].lm_height : mode->vdisplay); |
| } |
| |
| /** |
| * sde_crtc_frame_pending - retun the number of pending frames |
| * @crtc: Pointer to drm crtc object |
| */ |
| static inline int sde_crtc_frame_pending(struct drm_crtc *crtc) |
| { |
| struct sde_crtc *sde_crtc; |
| |
| if (!crtc) |
| return -EINVAL; |
| |
| sde_crtc = to_sde_crtc(crtc); |
| return atomic_read(&sde_crtc->frame_pending); |
| } |
| |
| /** |
| * sde_crtc_set_needs_hw_reset - set hw reset flag, to handle reset during |
| * commit kickoff |
| * @crtc: Pointer to DRM crtc instance |
| */ |
| static inline void sde_crtc_set_needs_hw_reset(struct drm_crtc *crtc) |
| { |
| struct sde_crtc *sde_crtc; |
| |
| if (!crtc) |
| return; |
| |
| sde_crtc = to_sde_crtc(crtc); |
| sde_crtc->needs_hw_reset = true; |
| } |
| |
| /** |
| * sde_crtc_reset_hw - attempt hardware reset on errors |
| * @crtc: Pointer to DRM crtc instance |
| * @old_state: Pointer to crtc state for previous commit |
| * @recovery_events: Whether or not recovery events are enabled |
| * Returns: Zero if current commit should still be attempted |
| */ |
| int sde_crtc_reset_hw(struct drm_crtc *crtc, struct drm_crtc_state *old_state, |
| bool recovery_events); |
| |
| /** |
| * sde_crtc_request_frame_reset - requests for next frame reset |
| * @crtc: Pointer to drm crtc object |
| */ |
| static inline int sde_crtc_request_frame_reset(struct drm_crtc *crtc) |
| { |
| struct sde_crtc *sde_crtc = to_sde_crtc(crtc); |
| |
| if (sde_crtc->frame_trigger_mode == FRAME_DONE_WAIT_POSTED_START) |
| sde_crtc_reset_hw(crtc, crtc->state, false); |
| |
| return 0; |
| } |
| |
| /** |
| * sde_crtc_vblank - enable or disable vblanks for this crtc |
| * @crtc: Pointer to drm crtc object |
| * @en: true to enable vblanks, false to disable |
| */ |
| int sde_crtc_vblank(struct drm_crtc *crtc, bool en); |
| |
| /** |
| * sde_crtc_commit_kickoff - trigger kickoff of the commit for this crtc |
| * @crtc: Pointer to drm crtc object |
| * @old_state: Pointer to drm crtc old state object |
| */ |
| void sde_crtc_commit_kickoff(struct drm_crtc *crtc, |
| struct drm_crtc_state *old_state); |
| |
| /** |
| * sde_crtc_prepare_commit - callback to prepare for output fences |
| * @crtc: Pointer to drm crtc object |
| * @old_state: Pointer to drm crtc old state object |
| */ |
| void sde_crtc_prepare_commit(struct drm_crtc *crtc, |
| struct drm_crtc_state *old_state); |
| |
| /** |
| * sde_crtc_complete_commit - callback signalling completion of current commit |
| * @crtc: Pointer to drm crtc object |
| * @old_state: Pointer to drm crtc old state object |
| */ |
| void sde_crtc_complete_commit(struct drm_crtc *crtc, |
| struct drm_crtc_state *old_state); |
| |
| /** |
| * sde_crtc_init - create a new crtc object |
| * @dev: sde device |
| * @plane: base plane |
| * @Return: new crtc object or error |
| */ |
| struct drm_crtc *sde_crtc_init(struct drm_device *dev, struct drm_plane *plane); |
| |
| /** |
| * sde_crtc_post_init - update crtc object with post initialization. It |
| * can update the debugfs, sysfs, entires. |
| * @dev: sde device |
| * @crtc: Pointer to drm crtc structure |
| */ |
| int sde_crtc_post_init(struct drm_device *dev, struct drm_crtc *crtc); |
| |
| /** |
| * sde_crtc_complete_flip - complete flip for clients |
| * @crtc: Pointer to drm crtc object |
| * @file: client to cancel's file handle |
| */ |
| void sde_crtc_complete_flip(struct drm_crtc *crtc, struct drm_file *file); |
| |
| /** |
| * sde_crtc_register_custom_event - api for enabling/disabling crtc event |
| * @kms: Pointer to sde_kms |
| * @crtc_drm: Pointer to crtc object |
| * @event: Event that client is interested |
| * @en: Flag to enable/disable the event |
| */ |
| int sde_crtc_register_custom_event(struct sde_kms *kms, |
| struct drm_crtc *crtc_drm, u32 event, bool en); |
| |
| /** |
| * sde_crtc_get_intf_mode - get interface mode of the given crtc |
| * @crtc: Pointert to DRM crtc |
| * @crtc: Pointert to DRM crtc_state |
| */ |
| enum sde_intf_mode sde_crtc_get_intf_mode(struct drm_crtc *crtc, |
| struct drm_crtc_state *cstate); |
| |
| /** |
| * sde_crtc_get_fps_mode - get frame rate of the given crtc |
| * @crtc: Pointert to crtc |
| */ |
| u32 sde_crtc_get_fps_mode(struct drm_crtc *crtc); |
| |
| /** |
| * sde_crtc_get_client_type - check the crtc type- rt, rsc_rt, etc. |
| * @crtc: Pointer to crtc |
| */ |
| static inline enum sde_crtc_client_type sde_crtc_get_client_type( |
| struct drm_crtc *crtc) |
| { |
| struct sde_crtc_state *cstate = |
| crtc ? to_sde_crtc_state(crtc->state) : NULL; |
| |
| if (!cstate) |
| return RT_CLIENT; |
| |
| return cstate->rsc_client ? RT_RSC_CLIENT : RT_CLIENT; |
| } |
| |
| /** |
| * sde_crtc_is_rt_client - check if real-time client or not |
| * @crtc: Pointer to DRM crtc |
| * @crtc_state: Pointer to DRM crtc_state |
| */ |
| static inline bool sde_crtc_is_rt_client(struct drm_crtc *crtc, |
| struct drm_crtc_state *cstate) |
| { |
| if (!crtc || !cstate) |
| return true; |
| |
| return (sde_crtc_get_intf_mode(crtc, cstate) != INTF_MODE_WB_LINE); |
| } |
| |
| /** |
| * sde_crtc_is_enabled - check if sde crtc is enabled or not |
| * @crtc: Pointer to crtc |
| */ |
| static inline bool sde_crtc_is_enabled(struct drm_crtc *crtc) |
| { |
| return crtc ? crtc->enabled : false; |
| } |
| |
| /** |
| * sde_crtc_is_reset_required - validate the reset request based on the |
| * pm_suspend and crtc's active status. crtc's are left active |
| * on pm_suspend during LP1/LP2 states, as the display is still |
| * left ON. Avoid reset for the subsequent pm_resume in such cases. |
| * @crtc: Pointer to crtc |
| * return: false if in suspend state and crtc active, true otherwise |
| */ |
| static inline bool sde_crtc_is_reset_required(struct drm_crtc *crtc) |
| { |
| /* |
| * reset is required even when there is no crtc_state as it is required |
| * to create the initial state object |
| */ |
| if (!crtc || !crtc->state) |
| return true; |
| |
| /* reset not required if crtc is active during suspend state */ |
| if (sde_kms_is_suspend_state(crtc->dev) && crtc->state->active) |
| return false; |
| |
| return true; |
| } |
| |
| /** |
| * sde_crtc_event_queue - request event callback |
| * @crtc: Pointer to drm crtc structure |
| * @func: Pointer to callback function |
| * @usr: Pointer to user data to be passed to callback |
| * @color_processing_event: True if color processing event |
| * Returns: Zero on success |
| */ |
| int sde_crtc_event_queue(struct drm_crtc *crtc, |
| void (*func)(struct drm_crtc *crtc, void *usr), |
| void *usr, bool color_processing_event); |
| |
| /** |
| * sde_crtc_get_crtc_roi - retrieve the crtc_roi from the given state object |
| * used to allow the planes to adjust their final lm out_xy value in the |
| * case of partial update |
| * @crtc_state: Pointer to crtc state |
| * @crtc_roi: Output pointer to crtc roi in the given state |
| */ |
| void sde_crtc_get_crtc_roi(struct drm_crtc_state *state, |
| const struct sde_rect **crtc_roi); |
| |
| /** |
| * sde_crtc_is_crtc_roi_dirty - retrieve whether crtc_roi was updated this frame |
| * Note: Only use during atomic_check since dirty properties may be popped |
| * @crtc_state: Pointer to crtc state |
| * Return: true if roi is dirty, false otherwise |
| */ |
| bool sde_crtc_is_crtc_roi_dirty(struct drm_crtc_state *state); |
| |
| /** sde_crt_get_secure_level - retrieve the secure level from the give state |
| * object, this is used to determine the secure state of the crtc |
| * @crtc : Pointer to drm crtc structure |
| * @usr: Pointer to drm crtc state |
| * return: secure_level |
| */ |
| static inline int sde_crtc_get_secure_level(struct drm_crtc *crtc, |
| struct drm_crtc_state *state) |
| { |
| if (!crtc || !state) |
| return -EINVAL; |
| |
| return sde_crtc_get_property(to_sde_crtc_state(state), |
| CRTC_PROP_SECURITY_LEVEL); |
| } |
| |
| /** sde_crtc_atomic_check_has_modeset - checks if the new_crtc_state in the |
| * drm_atomic_state has a modeset |
| * @state : pointer to drm_atomic_state |
| * @crtc : Pointer to drm crtc structure |
| * Returns true if crtc has modeset |
| */ |
| static inline bool sde_crtc_atomic_check_has_modeset( |
| struct drm_atomic_state *state, struct drm_crtc *crtc) |
| { |
| struct drm_crtc_state *crtc_state; |
| |
| if (!state || !crtc) |
| return false; |
| |
| crtc_state = drm_atomic_get_new_crtc_state(state, |
| crtc); |
| return (crtc_state && drm_atomic_crtc_needs_modeset(crtc_state)); |
| } |
| |
| /** |
| * sde_crtc_get_secure_transition - determines the operations to be |
| * performed before transitioning to secure state |
| * This function should be called after swapping the new state |
| * @crtc: Pointer to drm crtc structure |
| * @old_crtc_state: Poniter to previous CRTC state |
| * Returns the bitmask of operations need to be performed, -Error in |
| * case of error cases |
| */ |
| int sde_crtc_get_secure_transition_ops(struct drm_crtc *crtc, |
| struct drm_crtc_state *old_crtc_state, |
| bool old_valid_fb); |
| |
| /** |
| * sde_crtc_find_plane_fb_modes - finds the modes of all planes attached |
| * to crtc |
| * @crtc: Pointer to DRM crtc object |
| * @fb_ns: number of non secure planes |
| * @fb_sec: number of secure-playback planes |
| * @fb_sec_dir: number of secure-ui/secure-camera planes |
| */ |
| int sde_crtc_find_plane_fb_modes(struct drm_crtc *crtc, |
| uint32_t *fb_ns, uint32_t *fb_sec, uint32_t *fb_sec_dir); |
| |
| /** |
| * sde_crtc_state_find_plane_fb_modes - finds the modes of all planes attached |
| * to the crtc state |
| * @crtc_state: Pointer to DRM crtc state object |
| * @fb_ns: number of non secure planes |
| * @fb_sec: number of secure-playback planes |
| * @fb_sec_dir: number of secure-ui/secure-camera planes |
| */ |
| int sde_crtc_state_find_plane_fb_modes(struct drm_crtc_state *state, |
| uint32_t *fb_ns, uint32_t *fb_sec, uint32_t *fb_sec_dir); |
| |
| /** |
| * sde_crtc_secure_ctrl - Initiates the transition between secure and |
| * non-secure world |
| * @crtc: Pointer to crtc |
| * @post_commit: if this operation is triggered after commit |
| */ |
| int sde_crtc_secure_ctrl(struct drm_crtc *crtc, bool post_commit); |
| |
| /** |
| * sde_crtc_helper_reset_properties - reset properties to default values in the |
| * given DRM CRTC state object |
| * @crtc: Pointer to DRM crtc object |
| * @crtc_state: Pointer to DRM crtc state object |
| * Returns: 0 on success, negative errno on failure |
| */ |
| int sde_crtc_helper_reset_custom_properties(struct drm_crtc *crtc, |
| struct drm_crtc_state *crtc_state); |
| |
| /** |
| * sde_crtc_timeline_status - current buffer timeline status |
| * @crtc: Pointer to crtc |
| */ |
| void sde_crtc_timeline_status(struct drm_crtc *crtc); |
| |
| /** |
| * sde_crtc_update_cont_splash_settings - update mixer settings |
| * during device bootup for cont_splash use case |
| * @crtc: Pointer to drm crtc structure |
| */ |
| void sde_crtc_update_cont_splash_settings( |
| struct drm_crtc *crtc); |
| |
| /** |
| * sde_crtc_misr_setup - to configure and enable/disable MISR |
| * @crtc: Pointer to drm crtc structure |
| * @enable: boolean to indicate enable/disable misr |
| * @frame_count: frame_count to be configured |
| */ |
| void sde_crtc_misr_setup(struct drm_crtc *crtc, bool enable, u32 frame_count); |
| |
| /** |
| * sde_crtc_get_misr_info - to configure and enable/disable MISR |
| * @crtc: Pointer to drm crtc structure |
| * @crtc_misr_info: Pointer to crtc misr info structure |
| */ |
| void sde_crtc_get_misr_info(struct drm_crtc *crtc, |
| struct sde_crtc_misr_info *crtc_misr_info); |
| |
| /** |
| * sde_crtc_get_num_datapath - get the number of datapath active |
| * of primary connector |
| * @crtc: Pointer to DRM crtc object |
| * @connector: Pointer to DRM connector object of WB in CWB case |
| */ |
| int sde_crtc_get_num_datapath(struct drm_crtc *crtc, |
| struct drm_connector *connector); |
| |
| /* |
| * sde_crtc_set_compression_ratio - set compression ratio src_bpp/target_bpp |
| * @msm_mode_info: Mode info |
| * @crtc: Pointer to drm crtc structure |
| */ |
| static inline void sde_crtc_set_compression_ratio( |
| struct msm_mode_info mode_info, struct drm_crtc *crtc) |
| { |
| int target_bpp, src_bpp; |
| struct sde_crtc *sde_crtc = to_sde_crtc(crtc); |
| |
| /** |
| * In cases where DSC compression type is not found, set |
| * compression value to default value of 1. |
| */ |
| if (mode_info.comp_info.comp_type != MSM_DISPLAY_COMPRESSION_DSC) { |
| sde_crtc->comp_ratio = 1; |
| goto end; |
| } |
| |
| target_bpp = mode_info.comp_info.dsc_info.bpp; |
| src_bpp = mode_info.comp_info.dsc_info.bpc * RGB_NUM_COMPONENTS; |
| sde_crtc->comp_ratio = mult_frac(1, src_bpp, target_bpp); |
| end: |
| SDE_DEBUG("sde_crtc comp ratio: %d\n", sde_crtc->comp_ratio); |
| } |
| |
| #endif /* _SDE_CRTC_H_ */ |