diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 170 |
1 files changed, 50 insertions, 120 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h index e241914a9677..ca1ca2e51d7e 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h @@ -1,5 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. * Copyright (C) 2013 Red Hat * Author: Rob Clark <robdclark@gmail.com> @@ -18,154 +19,83 @@ #define IDLE_TIMEOUT (66 - 16/2) -/** - * Encoder functions and data types - * @intfs: Interfaces this encoder is using, INTF_MODE_NONE if unused - */ -struct dpu_encoder_hw_resources { - enum dpu_intf_mode intfs[INTF_MAX]; -}; +#define MAX_H_TILES_PER_DISPLAY 2 /** - * dpu_encoder_get_hw_resources - Populate table of required hardware resources - * @encoder: encoder pointer - * @hw_res: resource table to populate with encoder required resources + * struct msm_display_info - defines display properties + * @intf_type: INTF_ type + * @num_of_h_tiles: Number of horizontal tiles in case of split interface + * @h_tile_instance: Controller instance used per tile. Number of elements is + * based on num_of_h_tiles + * @is_cmd_mode Boolean to indicate if the CMD mode is requested + * @vsync_source: Source of the TE signal for DSI CMD devices */ -void dpu_encoder_get_hw_resources(struct drm_encoder *encoder, - struct dpu_encoder_hw_resources *hw_res); +struct msm_display_info { + enum dpu_intf_type intf_type; + uint32_t num_of_h_tiles; + uint32_t h_tile_instance[MAX_H_TILES_PER_DISPLAY]; + bool is_cmd_mode; + enum dpu_vsync_source vsync_source; +}; -/** - * dpu_encoder_assign_crtc - Link the encoder to the crtc it's assigned to - * @encoder: encoder pointer - * @crtc: crtc pointer - */ void dpu_encoder_assign_crtc(struct drm_encoder *encoder, struct drm_crtc *crtc); -/** - * dpu_encoder_toggle_vblank_for_crtc - Toggles vblank interrupts on or off if - * the encoder is assigned to the given crtc - * @encoder: encoder pointer - * @crtc: crtc pointer - * @enable: true if vblank should be enabled - */ void dpu_encoder_toggle_vblank_for_crtc(struct drm_encoder *encoder, struct drm_crtc *crtc, bool enable); -/** - * dpu_encoder_register_frame_event_callback - provide callback to encoder that - * will be called after the request is complete, or other events. - * @encoder: encoder pointer - * @cb: callback pointer, provide NULL to deregister - * @data: user data provided to callback - */ -void dpu_encoder_register_frame_event_callback(struct drm_encoder *encoder, - void (*cb)(void *, u32), void *data); - -/** - * dpu_encoder_prepare_for_kickoff - schedule double buffer flip of the ctl - * path (i.e. ctl flush and start) at next appropriate time. - * Immediately: if no previous commit is outstanding. - * Delayed: Block until next trigger can be issued. - * @encoder: encoder pointer - */ void dpu_encoder_prepare_for_kickoff(struct drm_encoder *encoder); -/** - * dpu_encoder_trigger_kickoff_pending - Clear the flush bits from previous - * kickoff and trigger the ctl prepare progress for command mode display. - * @encoder: encoder pointer - */ void dpu_encoder_trigger_kickoff_pending(struct drm_encoder *encoder); -/** - * dpu_encoder_kickoff - trigger a double buffer flip of the ctl path - * (i.e. ctl flush and start) immediately. - * @encoder: encoder pointer - */ void dpu_encoder_kickoff(struct drm_encoder *encoder); -/** - * dpu_encoder_wakeup_time - get the time of the next vsync - */ int dpu_encoder_vsync_time(struct drm_encoder *drm_enc, ktime_t *wakeup_time); -/** - * dpu_encoder_wait_for_event - Waits for encoder events - * @encoder: encoder pointer - * @event: event to wait for - * MSM_ENC_COMMIT_DONE - Wait for hardware to have flushed the current pending - * frames to hardware at a vblank or ctl_start - * Encoders will map this differently depending on the - * panel type. - * vid mode -> vsync_irq - * cmd mode -> ctl_start - * MSM_ENC_TX_COMPLETE - Wait for the hardware to transfer all the pixels to - * the panel. Encoders will map this differently - * depending on the panel type. - * vid mode -> vsync_irq - * cmd mode -> pp_done - * Returns: 0 on success, -EWOULDBLOCK if already signaled, error otherwise - */ -int dpu_encoder_wait_for_event(struct drm_encoder *drm_encoder, - enum msm_event_wait event); +int dpu_encoder_wait_for_commit_done(struct drm_encoder *drm_encoder); + +int dpu_encoder_wait_for_tx_complete(struct drm_encoder *drm_encoder); -/* - * dpu_encoder_get_intf_mode - get interface mode of the given encoder - * @encoder: Pointer to drm encoder object - */ enum dpu_intf_mode dpu_encoder_get_intf_mode(struct drm_encoder *encoder); -/** - * dpu_encoder_virt_runtime_resume - pm runtime resume the encoder configs - * @encoder: encoder pointer - */ void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder); -/** - * dpu_encoder_init - initialize virtual encoder object - * @dev: Pointer to drm device structure - * @disp_info: Pointer to display information structure - * Returns: Pointer to newly created drm encoder - */ -struct drm_encoder *dpu_encoder_init( - struct drm_device *dev, - int drm_enc_mode); +uint32_t dpu_encoder_get_clones(struct drm_encoder *drm_enc); -/** - * dpu_encoder_setup - setup dpu_encoder for the display probed - * @dev: Pointer to drm device structure - * @enc: Pointer to the drm_encoder - * @disp_info: Pointer to the display info - */ -int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc, +struct drm_encoder *dpu_encoder_init(struct drm_device *dev, + int drm_enc_mode, struct msm_display_info *disp_info); -/** - * dpu_encoder_prepare_commit - prepare encoder at the very beginning of an - * atomic commit, before any registers are written - * @drm_enc: Pointer to previously created drm encoder structure - */ -void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc); - -/** - * dpu_encoder_set_idle_timeout - set the idle timeout for video - * and command mode encoders. - * @drm_enc: Pointer to previously created drm encoder structure - * @idle_timeout: idle timeout duration in milliseconds - */ -void dpu_encoder_set_idle_timeout(struct drm_encoder *drm_enc, - u32 idle_timeout); -/** - * dpu_encoder_get_linecount - get interface line count for the encoder. - * @drm_enc: Pointer to previously created drm encoder structure - */ int dpu_encoder_get_linecount(struct drm_encoder *drm_enc); -/** - * dpu_encoder_get_vsync_count - get vsync count for the encoder. - * @drm_enc: Pointer to previously created drm encoder structure - */ int dpu_encoder_get_vsync_count(struct drm_encoder *drm_enc); +bool dpu_encoder_is_widebus_enabled(const struct drm_encoder *drm_enc); + +bool dpu_encoder_is_dsc_enabled(const struct drm_encoder *drm_enc); + +int dpu_encoder_get_crc_values_cnt(const struct drm_encoder *drm_enc); + +void dpu_encoder_setup_misr(const struct drm_encoder *drm_encoder); + +int dpu_encoder_get_crc(const struct drm_encoder *drm_enc, u32 *crcs, int pos); + +bool dpu_encoder_use_dsc_merge(struct drm_encoder *drm_enc); + +void dpu_encoder_update_topology(struct drm_encoder *drm_enc, + struct msm_display_topology *topology, + struct drm_atomic_state *state, + const struct drm_display_mode *adj_mode); + +bool dpu_encoder_needs_modeset(struct drm_encoder *drm_enc, struct drm_atomic_state *state); + +void dpu_encoder_prepare_wb_job(struct drm_encoder *drm_enc, + struct drm_writeback_job *job); + +void dpu_encoder_cleanup_wb_job(struct drm_encoder *drm_enc, + struct drm_writeback_job *job); + +bool dpu_encoder_is_valid_for_commit(struct drm_encoder *drm_enc); + +void dpu_encoder_start_frame_done_timer(struct drm_encoder *drm_enc); #endif /* __DPU_ENCODER_H__ */ |