| /* |
| * Copyright (c) 2015-2017 The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only 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. |
| * |
| */ |
| |
| #ifndef __SDE_ENCODER_PHYS_H__ |
| #define __SDE_ENCODER_PHYS_H__ |
| |
| #include <linux/jiffies.h> |
| #include <linux/sde_rsc.h> |
| |
| #include "sde_kms.h" |
| #include "sde_hw_intf.h" |
| #include "sde_hw_pingpong.h" |
| #include "sde_hw_ctl.h" |
| #include "sde_hw_top.h" |
| #include "sde_hw_wb.h" |
| #include "sde_hw_cdm.h" |
| #include "sde_encoder.h" |
| #include "sde_connector.h" |
| |
| #define SDE_ENCODER_NAME_MAX 16 |
| |
| /* wait for at most 2 vsync for lowest refresh rate (24hz) */ |
| #define KICKOFF_TIMEOUT_MS 84 |
| #define KICKOFF_TIMEOUT_JIFFIES msecs_to_jiffies(KICKOFF_TIMEOUT_MS) |
| |
| /** |
| * enum sde_enc_split_role - Role this physical encoder will play in a |
| * split-panel configuration, where one panel is master, and others slaves. |
| * Masters have extra responsibilities, like managing the VBLANK IRQ. |
| * @ENC_ROLE_SOLO: This is the one and only panel. This encoder is master. |
| * @ENC_ROLE_MASTER: This encoder is the master of a split panel config. |
| * @ENC_ROLE_SLAVE: This encoder is not the master of a split panel config. |
| * @ENC_ROLE_SKIP: This encoder is not participating in kickoffs |
| */ |
| enum sde_enc_split_role { |
| ENC_ROLE_SOLO, |
| ENC_ROLE_MASTER, |
| ENC_ROLE_SLAVE, |
| ENC_ROLE_SKIP |
| }; |
| |
| /** |
| * enum sde_enc_enable_state - current enabled state of the physical encoder |
| * @SDE_ENC_DISABLING: Encoder transitioning to disable state |
| * Events bounding transition are encoder type specific |
| * @SDE_ENC_DISABLED: Encoder is disabled |
| * @SDE_ENC_ENABLING: Encoder transitioning to enabled |
| * Events bounding transition are encoder type specific |
| * @SDE_ENC_ENABLED: Encoder is enabled |
| * @SDE_ENC_ERR_NEEDS_HW_RESET: Encoder is enabled, but requires a hw_reset |
| * to recover from a previous error |
| */ |
| enum sde_enc_enable_state { |
| SDE_ENC_DISABLING, |
| SDE_ENC_DISABLED, |
| SDE_ENC_ENABLING, |
| SDE_ENC_ENABLED, |
| SDE_ENC_ERR_NEEDS_HW_RESET |
| }; |
| |
| struct sde_encoder_phys; |
| |
| /** |
| * struct sde_encoder_virt_ops - Interface the containing virtual encoder |
| * provides for the physical encoders to use to callback. |
| * @handle_vblank_virt: Notify virtual encoder of vblank IRQ reception |
| * Note: This is called from IRQ handler context. |
| * @handle_underrun_virt: Notify virtual encoder of underrun IRQ reception |
| * Note: This is called from IRQ handler context. |
| * @handle_frame_done: Notify virtual encoder that this phys encoder |
| * completes last request frame. |
| */ |
| struct sde_encoder_virt_ops { |
| void (*handle_vblank_virt)(struct drm_encoder *, |
| struct sde_encoder_phys *phys); |
| void (*handle_underrun_virt)(struct drm_encoder *, |
| struct sde_encoder_phys *phys); |
| void (*handle_frame_done)(struct drm_encoder *, |
| struct sde_encoder_phys *phys, u32 event); |
| }; |
| |
| /** |
| * struct sde_encoder_phys_ops - Interface the physical encoders provide to |
| * the containing virtual encoder. |
| * @late_register: DRM Call. Add Userspace interfaces, debugfs. |
| * @prepare_commit: MSM Atomic Call, start of atomic commit sequence |
| * @is_master: Whether this phys_enc is the current master |
| * encoder. Can be switched at enable time. Based |
| * on split_role and current mode (CMD/VID). |
| * @mode_fixup: DRM Call. Fixup a DRM mode. |
| * @mode_set: DRM Call. Set a DRM mode. |
| * This likely caches the mode, for use at enable. |
| * @enable: DRM Call. Enable a DRM mode. |
| * @disable: DRM Call. Disable mode. |
| * @atomic_check: DRM Call. Atomic check new DRM state. |
| * @destroy: DRM Call. Destroy and release resources. |
| * @get_hw_resources: Populate the structure with the hardware |
| * resources that this phys_enc is using. |
| * Expect no overlap between phys_encs. |
| * @control_vblank_irq Register/Deregister for VBLANK IRQ |
| * @wait_for_commit_done: Wait for hardware to have flushed the |
| * current pending frames to hardware |
| * @wait_for_tx_complete: Wait for hardware to transfer the pixels |
| * to the panel |
| * @prepare_for_kickoff: Do any work necessary prior to a kickoff |
| * For CMD encoder, may wait for previous tx done |
| * @handle_post_kickoff: Do any work necessary post-kickoff work |
| * @trigger_start: Process start event on physical encoder |
| * @needs_single_flush: Whether encoder slaves need to be flushed |
| * @setup_misr: Sets up MISR, enable and disables based on sysfs |
| * @collect_misr: Collects MISR data on frame update |
| * @hw_reset: Issue HW recovery such as CTL reset and clear |
| * SDE_ENC_ERR_NEEDS_HW_RESET state |
| * @irq_control: Handler to enable/disable all the encoder IRQs |
| * @update_split_role: Update the split role of the phys enc |
| * @restore: Restore all the encoder configs. |
| */ |
| |
| struct sde_encoder_phys_ops { |
| int (*late_register)(struct sde_encoder_phys *encoder, |
| struct dentry *debugfs_root); |
| void (*prepare_commit)(struct sde_encoder_phys *encoder); |
| bool (*is_master)(struct sde_encoder_phys *encoder); |
| bool (*mode_fixup)(struct sde_encoder_phys *encoder, |
| const struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode); |
| void (*mode_set)(struct sde_encoder_phys *encoder, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode); |
| void (*enable)(struct sde_encoder_phys *encoder); |
| void (*disable)(struct sde_encoder_phys *encoder); |
| int (*atomic_check)(struct sde_encoder_phys *encoder, |
| struct drm_crtc_state *crtc_state, |
| struct drm_connector_state *conn_state); |
| void (*destroy)(struct sde_encoder_phys *encoder); |
| void (*get_hw_resources)(struct sde_encoder_phys *encoder, |
| struct sde_encoder_hw_resources *hw_res, |
| struct drm_connector_state *conn_state); |
| int (*control_vblank_irq)(struct sde_encoder_phys *enc, bool enable); |
| int (*wait_for_commit_done)(struct sde_encoder_phys *phys_enc); |
| int (*wait_for_tx_complete)(struct sde_encoder_phys *phys_enc); |
| void (*prepare_for_kickoff)(struct sde_encoder_phys *phys_enc, |
| struct sde_encoder_kickoff_params *params); |
| void (*handle_post_kickoff)(struct sde_encoder_phys *phys_enc); |
| void (*trigger_start)(struct sde_encoder_phys *phys_enc); |
| bool (*needs_single_flush)(struct sde_encoder_phys *phys_enc); |
| |
| void (*setup_misr)(struct sde_encoder_phys *phys_encs, |
| bool enable, u32 frame_count); |
| u32 (*collect_misr)(struct sde_encoder_phys *phys_enc); |
| void (*hw_reset)(struct sde_encoder_phys *phys_enc); |
| void (*irq_control)(struct sde_encoder_phys *phys, bool enable); |
| void (*update_split_role)(struct sde_encoder_phys *phys_enc, |
| enum sde_enc_split_role role); |
| void (*restore)(struct sde_encoder_phys *phys); |
| }; |
| |
| /** |
| * enum sde_intr_idx - sde encoder interrupt index |
| * @INTR_IDX_VSYNC: Vsync interrupt for video mode panel |
| * @INTR_IDX_PINGPONG: Pingpong done unterrupt for cmd mode panel |
| * @INTR_IDX_UNDERRUN: Underrun unterrupt for video and cmd mode panel |
| * @INTR_IDX_RDPTR: Readpointer done unterrupt for cmd mode panel |
| * @INTR_IDX_AUTOREFRESH_DONE: Autorefresh done for cmd mode panel meaning |
| * autorefresh has triggered a double buffer flip |
| */ |
| enum sde_intr_idx { |
| INTR_IDX_VSYNC, |
| INTR_IDX_PINGPONG, |
| INTR_IDX_UNDERRUN, |
| INTR_IDX_CTL_START, |
| INTR_IDX_RDPTR, |
| INTR_IDX_AUTOREFRESH_DONE, |
| INTR_IDX_MAX, |
| }; |
| |
| /** |
| * sde_encoder_irq - tracking structure for interrupts |
| * @name: string name of interrupt |
| * @intr_type: Encoder interrupt type |
| * @intr_idx: Encoder interrupt enumeration |
| * @hw_idx: HW Block ID |
| * @irq_idx: IRQ interface lookup index from SDE IRQ framework |
| * will be -EINVAL if IRQ is not registered |
| * @irq_cb: interrupt callback |
| */ |
| struct sde_encoder_irq { |
| const char *name; |
| enum sde_intr_type intr_type; |
| enum sde_intr_idx intr_idx; |
| int hw_idx; |
| int irq_idx; |
| struct sde_irq_callback cb; |
| }; |
| |
| /** |
| * struct sde_encoder_phys - physical encoder that drives a single INTF block |
| * tied to a specific panel / sub-panel. Abstract type, sub-classed by |
| * phys_vid or phys_cmd for video mode or command mode encs respectively. |
| * @parent: Pointer to the containing virtual encoder |
| * @connector: If a mode is set, cached pointer to the active connector |
| * @ops: Operations exposed to the virtual encoder |
| * @parent_ops: Callbacks exposed by the parent to the phys_enc |
| * @hw_mdptop: Hardware interface to the top registers |
| * @hw_ctl: Hardware interface to the ctl registers |
| * @hw_cdm: Hardware interface to the cdm registers |
| * @cdm_cfg: Chroma-down hardware configuration |
| * @hw_pp: Hardware interface to the ping pong registers |
| * @sde_kms: Pointer to the sde_kms top level |
| * @cached_mode: DRM mode cached at mode_set time, acted on in enable |
| * @enabled: Whether the encoder has enabled and running a mode |
| * @split_role: Role to play in a split-panel configuration |
| * @intf_mode: Interface mode |
| * @intf_idx: Interface index on sde hardware |
| * @comp_type: Type of compression supported |
| * @enc_spinlock: Virtual-Encoder-Wide Spin Lock for IRQ purposes |
| * @enable_state: Enable state tracking |
| * @vblank_refcount: Reference count of vblank request |
| * @vsync_cnt: Vsync count for the physical encoder |
| * @underrun_cnt: Underrun count for the physical encoder |
| * @pending_kickoff_cnt: Atomic counter tracking the number of kickoffs |
| * vs. the number of done/vblank irqs. Should hover |
| * between 0-2 Incremented when a new kickoff is |
| * scheduled. Decremented in irq handler |
| * @pending_ctlstart_cnt: Atomic counter tracking the number of ctl start |
| * pending. |
| * @pending_kickoff_wq: Wait queue for blocking until kickoff completes |
| * @irq: IRQ tracking structures |
| */ |
| struct sde_encoder_phys { |
| struct drm_encoder *parent; |
| struct drm_connector *connector; |
| struct sde_encoder_phys_ops ops; |
| struct sde_encoder_virt_ops parent_ops; |
| struct sde_hw_mdp *hw_mdptop; |
| struct sde_hw_ctl *hw_ctl; |
| struct sde_hw_cdm *hw_cdm; |
| struct sde_hw_cdm_cfg cdm_cfg; |
| struct sde_hw_pingpong *hw_pp; |
| struct sde_kms *sde_kms; |
| struct drm_display_mode cached_mode; |
| enum sde_enc_split_role split_role; |
| enum sde_intf_mode intf_mode; |
| enum sde_intf intf_idx; |
| enum msm_display_compression_type comp_type; |
| spinlock_t *enc_spinlock; |
| enum sde_enc_enable_state enable_state; |
| atomic_t vblank_refcount; |
| atomic_t vsync_cnt; |
| atomic_t underrun_cnt; |
| atomic_t pending_ctlstart_cnt; |
| atomic_t pending_kickoff_cnt; |
| wait_queue_head_t pending_kickoff_wq; |
| struct sde_encoder_irq irq[INTR_IDX_MAX]; |
| }; |
| |
| static inline int sde_encoder_phys_inc_pending(struct sde_encoder_phys *phys) |
| { |
| atomic_inc_return(&phys->pending_ctlstart_cnt); |
| return atomic_inc_return(&phys->pending_kickoff_cnt); |
| } |
| |
| /** |
| * struct sde_encoder_phys_vid - sub-class of sde_encoder_phys to handle video |
| * mode specific operations |
| * @base: Baseclass physical encoder structure |
| * @hw_intf: Hardware interface to the intf registers |
| * @timing_params: Current timing parameter |
| * @rot_prefill_line: number of line to prefill for inline rotation; 0 disable |
| */ |
| struct sde_encoder_phys_vid { |
| struct sde_encoder_phys base; |
| struct sde_hw_intf *hw_intf; |
| struct intf_timing_params timing_params; |
| u64 rot_prefill_line; |
| }; |
| |
| /** |
| * struct sde_encoder_phys_cmd_autorefresh - autorefresh state tracking |
| * @cfg: current active autorefresh configuration |
| * @kickoff_cnt: atomic count tracking autorefresh done irq kickoffs pending |
| * @kickoff_wq: wait queue for waiting on autorefresh done irq |
| */ |
| struct sde_encoder_phys_cmd_autorefresh { |
| struct sde_hw_autorefresh cfg; |
| atomic_t kickoff_cnt; |
| wait_queue_head_t kickoff_wq; |
| }; |
| |
| /** |
| * struct sde_encoder_phys_cmd - sub-class of sde_encoder_phys to handle command |
| * mode specific operations |
| * @base: Baseclass physical encoder structure |
| * @intf_idx: Intf Block index used by this phys encoder |
| * @stream_sel: Stream selection for multi-stream interfaces |
| * @serialize_wait4pp: serialize wait4pp feature waits for pp_done interrupt |
| * after ctl_start instead of before next frame kickoff |
| * @pp_timeout_report_cnt: number of pingpong done irq timeout errors |
| * @autorefresh: autorefresh feature state |
| */ |
| struct sde_encoder_phys_cmd { |
| struct sde_encoder_phys base; |
| int stream_sel; |
| bool serialize_wait4pp; |
| int pp_timeout_report_cnt; |
| struct sde_encoder_phys_cmd_autorefresh autorefresh; |
| }; |
| |
| /** |
| * struct sde_encoder_phys_wb - sub-class of sde_encoder_phys to handle |
| * writeback specific operations |
| * @base: Baseclass physical encoder structure |
| * @hw_wb: Hardware interface to the wb registers |
| * @irq_idx: IRQ interface lookup index |
| * @wbdone_timeout: Timeout value for writeback done in msec |
| * @bypass_irqreg: Bypass irq register/unregister if non-zero |
| * @wbdone_complete: for wbdone irq synchronization |
| * @wb_cfg: Writeback hardware configuration |
| * @cdp_cfg: Writeback CDP configuration |
| * @intf_cfg: Interface hardware configuration |
| * @wb_roi: Writeback region-of-interest |
| * @wb_fmt: Writeback pixel format |
| * @frame_count: Counter of completed writeback operations |
| * @kickoff_count: Counter of issued writeback operations |
| * @aspace: address space identifier for non-secure/secure domain |
| * @wb_dev: Pointer to writeback device |
| * @start_time: Start time of writeback latest request |
| * @end_time: End time of writeback latest request |
| * @bo_disable: Buffer object(s) to use during the disabling state |
| * @fb_disable: Frame buffer to use during the disabling state |
| */ |
| struct sde_encoder_phys_wb { |
| struct sde_encoder_phys base; |
| struct sde_hw_wb *hw_wb; |
| int irq_idx; |
| struct sde_irq_callback irq_cb; |
| u32 wbdone_timeout; |
| u32 bypass_irqreg; |
| struct completion wbdone_complete; |
| struct sde_hw_wb_cfg wb_cfg; |
| struct sde_hw_wb_cdp_cfg cdp_cfg; |
| struct sde_hw_intf_cfg intf_cfg; |
| struct sde_rect wb_roi; |
| const struct sde_format *wb_fmt; |
| u32 frame_count; |
| u32 kickoff_count; |
| struct msm_gem_address_space *aspace[SDE_IOMMU_DOMAIN_MAX]; |
| struct sde_wb_device *wb_dev; |
| ktime_t start_time; |
| ktime_t end_time; |
| struct drm_gem_object *bo_disable[SDE_MAX_PLANES]; |
| struct drm_framebuffer *fb_disable; |
| }; |
| |
| /** |
| * struct sde_enc_phys_init_params - initialization parameters for phys encs |
| * @sde_kms: Pointer to the sde_kms top level |
| * @parent: Pointer to the containing virtual encoder |
| * @parent_ops: Callbacks exposed by the parent to the phys_enc |
| * @split_role: Role to play in a split-panel configuration |
| * @intf_idx: Interface index this phys_enc will control |
| * @wb_idx: Writeback index this phys_enc will control |
| * @comp_type: Type of compression supported |
| * @enc_spinlock: Virtual-Encoder-Wide Spin Lock for IRQ purposes |
| */ |
| struct sde_enc_phys_init_params { |
| struct sde_kms *sde_kms; |
| struct drm_encoder *parent; |
| struct sde_encoder_virt_ops parent_ops; |
| enum sde_enc_split_role split_role; |
| enum sde_intf intf_idx; |
| enum sde_wb wb_idx; |
| enum msm_display_compression_type comp_type; |
| spinlock_t *enc_spinlock; |
| }; |
| |
| /** |
| * sde_encoder_wait_info - container for passing arguments to irq wait functions |
| * @wq: wait queue structure |
| * @atomic_cnt: wait until atomic_cnt equals zero |
| * @timeout_ms: timeout value in milliseconds |
| */ |
| struct sde_encoder_wait_info { |
| wait_queue_head_t *wq; |
| atomic_t *atomic_cnt; |
| s64 timeout_ms; |
| }; |
| |
| /** |
| * sde_encoder_phys_vid_init - Construct a new video mode physical encoder |
| * @p: Pointer to init params structure |
| * Return: Error code or newly allocated encoder |
| */ |
| struct sde_encoder_phys *sde_encoder_phys_vid_init( |
| struct sde_enc_phys_init_params *p); |
| |
| /** |
| * sde_encoder_phys_cmd_init - Construct a new command mode physical encoder |
| * @p: Pointer to init params structure |
| * Return: Error code or newly allocated encoder |
| */ |
| struct sde_encoder_phys *sde_encoder_phys_cmd_init( |
| struct sde_enc_phys_init_params *p); |
| |
| /** |
| * sde_encoder_phys_wb_init - Construct a new writeback physical encoder |
| * @p: Pointer to init params structure |
| * Return: Error code or newly allocated encoder |
| */ |
| #ifdef CONFIG_DRM_SDE_WB |
| struct sde_encoder_phys *sde_encoder_phys_wb_init( |
| struct sde_enc_phys_init_params *p); |
| #else |
| static inline |
| struct sde_encoder_phys *sde_encoder_phys_wb_init( |
| struct sde_enc_phys_init_params *p) |
| { |
| return NULL; |
| } |
| #endif |
| |
| void sde_encoder_phys_setup_cdm(struct sde_encoder_phys *phys_enc, |
| struct drm_framebuffer *fb, const struct sde_format *format, |
| struct sde_rect *wb_roi); |
| |
| /** |
| * sde_encoder_helper_trigger_start - control start helper function |
| * This helper function may be optionally specified by physical |
| * encoders if they require ctl_start triggering. |
| * @phys_enc: Pointer to physical encoder structure |
| */ |
| void sde_encoder_helper_trigger_start(struct sde_encoder_phys *phys_enc); |
| |
| /** |
| * sde_encoder_helper_wait_event_timeout - wait for event with timeout |
| * taking into account that jiffies may jump between reads leading to |
| * incorrectly detected timeouts. Prevent failure in this scenario by |
| * making sure that elapsed time during wait is valid. |
| * @drm_id: drm object id for logging |
| * @hw_id: hw instance id for logging |
| * @info: wait info structure |
| */ |
| int sde_encoder_helper_wait_event_timeout( |
| int32_t drm_id, |
| int32_t hw_id, |
| struct sde_encoder_wait_info *info); |
| |
| /** |
| * sde_encoder_helper_hw_reset - issue ctl hw reset |
| * This helper function may be optionally specified by physical |
| * encoders if they require ctl hw reset. If state is currently |
| * SDE_ENC_ERR_NEEDS_HW_RESET, it is set back to SDE_ENC_ENABLED. |
| * @phys_enc: Pointer to physical encoder structure |
| */ |
| void sde_encoder_helper_hw_reset(struct sde_encoder_phys *phys_enc); |
| |
| static inline enum sde_3d_blend_mode sde_encoder_helper_get_3d_blend_mode( |
| struct sde_encoder_phys *phys_enc) |
| { |
| enum sde_rm_topology_name topology; |
| |
| if (!phys_enc || phys_enc->enable_state == SDE_ENC_DISABLING) |
| return BLEND_3D_NONE; |
| |
| topology = sde_connector_get_topology_name(phys_enc->connector); |
| if (phys_enc->split_role == ENC_ROLE_SOLO && |
| (topology == SDE_RM_TOPOLOGY_DUALPIPE_3DMERGE || |
| topology == SDE_RM_TOPOLOGY_DUALPIPE_3DMERGE_DSC)) |
| return BLEND_3D_H_ROW_INT; |
| |
| return BLEND_3D_NONE; |
| } |
| |
| /** |
| * sde_encoder_helper_split_config - split display configuration helper function |
| * This helper function may be used by physical encoders to configure |
| * the split display related registers. |
| * @phys_enc: Pointer to physical encoder structure |
| * @interface: enum sde_intf setting |
| */ |
| void sde_encoder_helper_split_config( |
| struct sde_encoder_phys *phys_enc, |
| enum sde_intf interface); |
| |
| /** |
| * sde_encoder_helper_hw_release - prepare for h/w reset during disable |
| * @phys_enc: Pointer to physical encoder structure |
| * @fb: Optional fb for specifying new mixer output resolution, may be NULL |
| * Return: Zero on success |
| */ |
| int sde_encoder_helper_hw_release(struct sde_encoder_phys *phys_enc, |
| struct drm_framebuffer *fb); |
| |
| /** |
| * sde_encoder_helper_report_irq_timeout - utility to report error that irq has |
| * timed out, including reporting frame error event to crtc and debug dump |
| * @phys_enc: Pointer to physical encoder structure |
| * @intr_idx: Failing interrupt index |
| */ |
| void sde_encoder_helper_report_irq_timeout(struct sde_encoder_phys *phys_enc, |
| enum sde_intr_idx intr_idx); |
| |
| /** |
| * sde_encoder_helper_wait_for_irq - utility to wait on an irq. |
| * note: will call sde_encoder_helper_wait_for_irq on timeout |
| * @phys_enc: Pointer to physical encoder structure |
| * @intr_idx: encoder interrupt index |
| * @wait_info: wait info struct |
| * @Return: 0 or -ERROR |
| */ |
| int sde_encoder_helper_wait_for_irq(struct sde_encoder_phys *phys_enc, |
| enum sde_intr_idx intr_idx, |
| struct sde_encoder_wait_info *wait_info); |
| |
| /** |
| * sde_encoder_helper_register_irq - register and enable an irq |
| * @phys_enc: Pointer to physical encoder structure |
| * @intr_idx: encoder interrupt index |
| * @Return: 0 or -ERROR |
| */ |
| int sde_encoder_helper_register_irq(struct sde_encoder_phys *phys_enc, |
| enum sde_intr_idx intr_idx); |
| |
| /** |
| * sde_encoder_helper_unregister_irq - unregister and disable an irq |
| * @phys_enc: Pointer to physical encoder structure |
| * @intr_idx: encoder interrupt index |
| * @Return: 0 or -ERROR |
| */ |
| int sde_encoder_helper_unregister_irq(struct sde_encoder_phys *phys_enc, |
| enum sde_intr_idx intr_idx); |
| |
| #endif /* __sde_encoder_phys_H__ */ |