diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 2422 |
1 files changed, 1523 insertions, 899 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 36158b7d99cd..d1cfe81a3373 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1,57 +1,49 @@ +// SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2014-2018, 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. + * Copyright (c) 2014-2018, 2020-2021 The Linux Foundation. All rights reserved. + * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved. * - * 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/>. + * Author: Rob Clark <robdclark@gmail.com> */ #define pr_fmt(fmt) "[drm:%s:%d] " fmt, __func__, __LINE__ -#include <linux/kthread.h> #include <linux/debugfs.h> +#include <linux/kthread.h> #include <linux/seq_file.h> +#include <drm/drm_atomic.h> +#include <drm/drm_crtc.h> +#include <drm/drm_file.h> +#include <drm/drm_probe_helper.h> +#include <drm/drm_framebuffer.h> + #include "msm_drv.h" #include "dpu_kms.h" -#include <drm/drm_crtc.h> -#include <drm/drm_crtc_helper.h> #include "dpu_hwio.h" #include "dpu_hw_catalog.h" #include "dpu_hw_intf.h" #include "dpu_hw_ctl.h" +#include "dpu_hw_cwb.h" +#include "dpu_hw_dspp.h" +#include "dpu_hw_dsc.h" +#include "dpu_hw_merge3d.h" +#include "dpu_hw_cdm.h" #include "dpu_formats.h" #include "dpu_encoder_phys.h" #include "dpu_crtc.h" #include "dpu_trace.h" #include "dpu_core_irq.h" +#include "disp/msm_disp_snapshot.h" -#define DPU_DEBUG_ENC(e, fmt, ...) DPU_DEBUG("enc%d " fmt,\ +#define DPU_DEBUG_ENC(e, fmt, ...) DRM_DEBUG_ATOMIC("enc%d " fmt,\ (e) ? (e)->base.base.id : -1, ##__VA_ARGS__) #define DPU_ERROR_ENC(e, fmt, ...) DPU_ERROR("enc%d " fmt,\ (e) ? (e)->base.base.id : -1, ##__VA_ARGS__) -#define DPU_DEBUG_PHYS(p, fmt, ...) DPU_DEBUG("enc%d intf%d pp%d " fmt,\ - (p) ? (p)->parent->base.id : -1, \ - (p) ? (p)->intf_idx - INTF_0 : -1, \ - (p) ? ((p)->hw_pp ? (p)->hw_pp->idx - PINGPONG_0 : -1) : -1, \ - ##__VA_ARGS__) - -#define DPU_ERROR_PHYS(p, fmt, ...) DPU_ERROR("enc%d intf%d pp%d " fmt,\ - (p) ? (p)->parent->base.id : -1, \ - (p) ? (p)->intf_idx - INTF_0 : -1, \ - (p) ? ((p)->hw_pp ? (p)->hw_pp->idx - PINGPONG_0 : -1) : -1, \ - ##__VA_ARGS__) +#define DPU_ERROR_ENC_RATELIMITED(e, fmt, ...) DPU_ERROR_RATELIMITED("enc%d " fmt,\ + (e) ? (e)->base.base.id : -1, ##__VA_ARGS__) /* * Two to anticipate panels that can do cmd/vid dynamic switching @@ -63,11 +55,13 @@ #define MAX_PHYS_ENCODERS_PER_VIRTUAL \ (MAX_H_TILES_PER_DISPLAY * NUM_PHYS_ENCODER_TYPES) -#define MAX_CHANNELS_PER_ENC 2 +#define MAX_CHANNELS_PER_ENC 4 +#define MAX_CWB_PER_ENC 2 #define IDLE_SHORT_TIMEOUT 1 -#define MAX_VDISPLAY_SPLIT 1080 +/* timeout in frames waiting for frame done */ +#define DPU_ENCODER_FRAME_DONE_TIMEOUT_FRAMES 5 /** * enum dpu_enc_rc_events - events for resource control state machine @@ -131,15 +125,23 @@ enum dpu_enc_rc_states { * Virtual encoder registers itself with the DRM Framework as the encoder. * @base: drm_encoder base class for registration with DRM * @enc_spinlock: Virtual-Encoder-Wide Spin Lock for IRQ purposes - * @bus_scaling_client: Client handle to the bus scaling interface * @enabled: True if the encoder is active, protected by enc_lock + * @commit_done_timedout: True if there has been a timeout on commit after + * enabling the encoder. * @num_phys_encs: Actual number of physical encoders contained. * @phys_encs: Container of physical encoders managed. * @cur_master: Pointer to the current master in this mode. Optimization * Only valid after enable. Cleared as disable. - * @hw_pp Handle to the pingpong blocks used for the display. No. + * @cur_slave: As above but for the slave encoder. + * @hw_pp: Handle to the pingpong blocks used for the display. No. * pingpong blocks can be different than num_phys_encs. - * @intfs_swapped Whether or not the phys_enc interfaces have been swapped + * @hw_cwb: Handle to the CWB muxes used for concurrent writeback + * display. Number of CWB muxes can be different than + * num_phys_encs. + * @hw_dsc: Handle to the DSC blocks used for the display. + * @dsc_mask: Bitmask of used DSC blocks. + * @cwb_mask: Bitmask of used CWB muxes + * @intfs_swapped: Whether or not the phys_enc interfaces have been swapped * for partial update right-only cases, such as pingpong * split where virtual pingpong does not generate IRQs * @crtc: Pointer to the currently assigned crtc. Normally you @@ -147,20 +149,16 @@ enum dpu_enc_rc_states { * link between encoder/crtc. However in this case we need * to track crtc in the disable() hook which is called * _after_ encoder_mask is cleared. - * @crtc_kickoff_cb: Callback into CRTC that will flush & start - * all CTL paths - * @crtc_kickoff_cb_data: Opaque user data given to crtc_kickoff_cb - * @debugfs_root: Debug file system root file node + * @connector: If a mode is set, cached pointer to the active connector * @enc_lock: Lock around physical encoder * create/destroy/enable/disable * @frame_busy_mask: Bitmask tracking which phys_enc we are still * busy processing current command. * Bit0 = phys_encs[0] etc. - * @crtc_frame_event_cb: callback handler for frame event - * @crtc_frame_event_cb_data: callback handler private data - * @frame_done_timeout: frame done timeout in Hz + * @frame_done_timeout_ms: frame done timeout in ms + * @frame_done_timeout_cnt: atomic counter tracking the number of frame + * done timeouts * @frame_done_timer: watchdog timer for frame done event - * @vsync_event_timer: vsync timer * @disp_info: local copy of msm_display_info struct * @idle_pc_supported: indicate if idle power collaps is supported * @rc_lock: resource control mutex lock to protect @@ -168,139 +166,362 @@ enum dpu_enc_rc_states { * @rc_state: resource controller state * @delayed_off_work: delayed worker to schedule disabling of * clks and resources after IDLE_TIMEOUT time. - * @vsync_event_work: worker to handle vsync event for autorefresh * @topology: topology of the display - * @mode_set_complete: flag to indicate modeset completion * @idle_timeout: idle timeout duration in milliseconds + * @wide_bus_en: wide bus is enabled on this interface + * @dsc: drm_dsc_config pointer, for DSC-enabled encoders */ struct dpu_encoder_virt { struct drm_encoder base; spinlock_t enc_spinlock; - uint32_t bus_scaling_client; bool enabled; + bool commit_done_timedout; unsigned int num_phys_encs; struct dpu_encoder_phys *phys_encs[MAX_PHYS_ENCODERS_PER_VIRTUAL]; struct dpu_encoder_phys *cur_master; struct dpu_encoder_phys *cur_slave; struct dpu_hw_pingpong *hw_pp[MAX_CHANNELS_PER_ENC]; + struct dpu_hw_cwb *hw_cwb[MAX_CWB_PER_ENC]; + struct dpu_hw_dsc *hw_dsc[MAX_CHANNELS_PER_ENC]; + + unsigned int dsc_mask; + unsigned int cwb_mask; bool intfs_swapped; struct drm_crtc *crtc; + struct drm_connector *connector; - struct dentry *debugfs_root; struct mutex enc_lock; DECLARE_BITMAP(frame_busy_mask, MAX_PHYS_ENCODERS_PER_VIRTUAL); - void (*crtc_frame_event_cb)(void *, u32 event); - void *crtc_frame_event_cb_data; - atomic_t frame_done_timeout; + atomic_t frame_done_timeout_ms; + atomic_t frame_done_timeout_cnt; struct timer_list frame_done_timer; - struct timer_list vsync_event_timer; struct msm_display_info disp_info; bool idle_pc_supported; struct mutex rc_lock; enum dpu_enc_rc_states rc_state; - struct kthread_delayed_work delayed_off_work; - struct kthread_work vsync_event_work; + struct delayed_work delayed_off_work; struct msm_display_topology topology; - bool mode_set_complete; u32 idle_timeout; + + bool wide_bus_en; + + /* DSC configuration */ + struct drm_dsc_config *dsc; }; #define to_dpu_encoder_virt(x) container_of(x, struct dpu_encoder_virt, base) +static u32 dither_matrix[DITHER_MATRIX_SZ] = { + 15, 7, 13, 5, 3, 11, 1, 9, 12, 4, 14, 6, 0, 8, 2, 10 +}; + +/** + * dpu_encoder_get_drm_fmt - return DRM fourcc format + * @phys_enc: Pointer to physical encoder structure + */ +u32 dpu_encoder_get_drm_fmt(struct dpu_encoder_phys *phys_enc) +{ + struct drm_encoder *drm_enc; + struct dpu_encoder_virt *dpu_enc; + struct drm_display_info *info; + struct drm_display_mode *mode; + + drm_enc = phys_enc->parent; + dpu_enc = to_dpu_encoder_virt(drm_enc); + info = &dpu_enc->connector->display_info; + mode = &phys_enc->cached_mode; + + if (drm_mode_is_420_only(info, mode)) + return DRM_FORMAT_YUV420; + + return DRM_FORMAT_RGB888; +} + +/** + * dpu_encoder_needs_periph_flush - return true if physical encoder requires + * peripheral flush + * @phys_enc: Pointer to physical encoder structure + */ +bool dpu_encoder_needs_periph_flush(struct dpu_encoder_phys *phys_enc) +{ + struct drm_encoder *drm_enc; + struct dpu_encoder_virt *dpu_enc; + struct msm_display_info *disp_info; + struct msm_drm_private *priv; + struct drm_display_mode *mode; + + drm_enc = phys_enc->parent; + dpu_enc = to_dpu_encoder_virt(drm_enc); + disp_info = &dpu_enc->disp_info; + priv = drm_enc->dev->dev_private; + mode = &phys_enc->cached_mode; + + return phys_enc->hw_intf->cap->type == INTF_DP && + msm_dp_needs_periph_flush(priv->kms->dp[disp_info->h_tile_instance[0]], mode); +} + +/** + * dpu_encoder_is_widebus_enabled - return bool value if widebus is enabled + * @drm_enc: Pointer to previously created drm encoder structure + */ +bool dpu_encoder_is_widebus_enabled(const struct drm_encoder *drm_enc) +{ + const struct dpu_encoder_virt *dpu_enc; + struct msm_drm_private *priv = drm_enc->dev->dev_private; + const struct msm_display_info *disp_info; + int index; + + dpu_enc = to_dpu_encoder_virt(drm_enc); + disp_info = &dpu_enc->disp_info; + index = disp_info->h_tile_instance[0]; + + if (disp_info->intf_type == INTF_DP) + return msm_dp_wide_bus_available(priv->kms->dp[index]); + else if (disp_info->intf_type == INTF_DSI) + return msm_dsi_wide_bus_enabled(priv->kms->dsi[index]); + + return false; +} + +/** + * dpu_encoder_is_dsc_enabled - indicate whether dsc is enabled + * for the encoder. + * @drm_enc: Pointer to previously created drm encoder structure + */ +bool dpu_encoder_is_dsc_enabled(const struct drm_encoder *drm_enc) +{ + const struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); + + return dpu_enc->dsc ? true : false; +} + +/** + * dpu_encoder_get_crc_values_cnt - get number of physical encoders contained + * in virtual encoder that can collect CRC values + * @drm_enc: Pointer to previously created drm encoder structure + * Returns: Number of physical encoders for given drm encoder + */ +int dpu_encoder_get_crc_values_cnt(const struct drm_encoder *drm_enc) +{ + struct dpu_encoder_virt *dpu_enc; + int i, num_intf = 0; + + dpu_enc = to_dpu_encoder_virt(drm_enc); + + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; + + if (phys->hw_intf && phys->hw_intf->ops.setup_misr + && phys->hw_intf->ops.collect_misr) + num_intf++; + } + + return num_intf; +} + +/** + * dpu_encoder_setup_misr - enable misr calculations + * @drm_enc: Pointer to previously created drm encoder structure + */ +void dpu_encoder_setup_misr(const struct drm_encoder *drm_enc) +{ + struct dpu_encoder_virt *dpu_enc; + + int i; + + dpu_enc = to_dpu_encoder_virt(drm_enc); + + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; + + if (!phys->hw_intf || !phys->hw_intf->ops.setup_misr) + continue; + + phys->hw_intf->ops.setup_misr(phys->hw_intf); + } +} + +/** + * dpu_encoder_get_crc - get the crc value from interface blocks + * @drm_enc: Pointer to previously created drm encoder structure + * @crcs: array to fill with CRC data + * @pos: offset into the @crcs array + * Returns: 0 on success, error otherwise + */ +int dpu_encoder_get_crc(const struct drm_encoder *drm_enc, u32 *crcs, int pos) +{ + struct dpu_encoder_virt *dpu_enc; + + int i, rc = 0, entries_added = 0; + + if (!drm_enc->crtc) { + DRM_ERROR("no crtc found for encoder %d\n", drm_enc->index); + return -EINVAL; + } + + dpu_enc = to_dpu_encoder_virt(drm_enc); + + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; + + if (!phys->hw_intf || !phys->hw_intf->ops.collect_misr) + continue; + + rc = phys->hw_intf->ops.collect_misr(phys->hw_intf, &crcs[pos + entries_added]); + if (rc) + return rc; + entries_added++; + } + + return entries_added; +} + +static void _dpu_encoder_setup_dither(struct dpu_hw_pingpong *hw_pp, unsigned bpc) +{ + struct dpu_hw_dither_cfg dither_cfg = { 0 }; + + if (!hw_pp->ops.setup_dither) + return; + + switch (bpc) { + case 6: + dither_cfg.c0_bitdepth = 6; + dither_cfg.c1_bitdepth = 6; + dither_cfg.c2_bitdepth = 6; + dither_cfg.c3_bitdepth = 6; + dither_cfg.temporal_en = 0; + break; + default: + hw_pp->ops.setup_dither(hw_pp, NULL); + return; + } + + memcpy(&dither_cfg.matrix, dither_matrix, + sizeof(u32) * DITHER_MATRIX_SZ); + + hw_pp->ops.setup_dither(hw_pp, &dither_cfg); +} + +static char *dpu_encoder_helper_get_intf_type(enum dpu_intf_mode intf_mode) +{ + switch (intf_mode) { + case INTF_MODE_VIDEO: + return "INTF_MODE_VIDEO"; + case INTF_MODE_CMD: + return "INTF_MODE_CMD"; + case INTF_MODE_WB_BLOCK: + return "INTF_MODE_WB_BLOCK"; + case INTF_MODE_WB_LINE: + return "INTF_MODE_WB_LINE"; + default: + return "INTF_MODE_UNKNOWN"; + } +} + +/** + * dpu_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 dpu_encoder_helper_report_irq_timeout(struct dpu_encoder_phys *phys_enc, enum dpu_intr_idx intr_idx) { - DRM_ERROR("irq timeout id=%u, intf=%d, pp=%d, intr=%d\n", - DRMID(phys_enc->parent), phys_enc->intf_idx - INTF_0, - phys_enc->hw_pp->idx - PINGPONG_0, intr_idx); + DRM_ERROR("irq timeout id=%u, intf_mode=%s intf=%d wb=%d, pp=%d, intr=%d\n", + DRMID(phys_enc->parent), + dpu_encoder_helper_get_intf_type(phys_enc->intf_mode), + phys_enc->hw_intf ? phys_enc->hw_intf->idx - INTF_0 : -1, + phys_enc->hw_wb ? phys_enc->hw_wb->idx - WB_0 : -1, + phys_enc->hw_pp->idx - PINGPONG_0, intr_idx); - if (phys_enc->parent_ops->handle_frame_done) - phys_enc->parent_ops->handle_frame_done( - phys_enc->parent, phys_enc, + dpu_encoder_frame_done_callback(phys_enc->parent, phys_enc, DPU_ENCODER_FRAME_EVENT_ERROR); } static int dpu_encoder_helper_wait_event_timeout(int32_t drm_id, - int32_t hw_id, struct dpu_encoder_wait_info *info); + u32 irq_idx, struct dpu_encoder_wait_info *info); +/** + * dpu_encoder_helper_wait_for_irq - utility to wait on an irq. + * note: will call dpu_encoder_helper_wait_for_irq on timeout + * @phys_enc: Pointer to physical encoder structure + * @irq_idx: IRQ index + * @func: IRQ callback to be called in case of timeout + * @wait_info: wait info struct + * @return: 0 or -ERROR + */ int dpu_encoder_helper_wait_for_irq(struct dpu_encoder_phys *phys_enc, - enum dpu_intr_idx intr_idx, + unsigned int irq_idx, + void (*func)(void *arg), struct dpu_encoder_wait_info *wait_info) { - struct dpu_encoder_irq *irq; u32 irq_status; int ret; - if (!phys_enc || !wait_info || intr_idx >= INTR_IDX_MAX) { + if (!wait_info) { DPU_ERROR("invalid params\n"); return -EINVAL; } - irq = &phys_enc->irq[intr_idx]; - /* note: do master / slave checking outside */ /* return EWOULDBLOCK since we know the wait isn't necessary */ if (phys_enc->enable_state == DPU_ENC_DISABLED) { - DRM_ERROR("encoder is disabled id=%u, intr=%d, hw=%d, irq=%d", - DRMID(phys_enc->parent), intr_idx, irq->hw_idx, - irq->irq_idx); + DRM_ERROR("encoder is disabled id=%u, callback=%ps, IRQ=[%d, %d]\n", + DRMID(phys_enc->parent), func, + DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx)); return -EWOULDBLOCK; } - if (irq->irq_idx < 0) { - DRM_DEBUG_KMS("skip irq wait id=%u, intr=%d, hw=%d, irq=%s", - DRMID(phys_enc->parent), intr_idx, irq->hw_idx, - irq->name); + if (irq_idx == 0) { + DRM_DEBUG_KMS("skip irq wait id=%u, callback=%ps\n", + DRMID(phys_enc->parent), func); return 0; } - DRM_DEBUG_KMS("id=%u, intr=%d, hw=%d, irq=%d, pp=%d, pending_cnt=%d", - DRMID(phys_enc->parent), intr_idx, irq->hw_idx, - irq->irq_idx, phys_enc->hw_pp->idx - PINGPONG_0, + DRM_DEBUG_KMS("id=%u, callback=%ps, IRQ=[%d, %d], pp=%d, pending_cnt=%d\n", + DRMID(phys_enc->parent), func, + DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), phys_enc->hw_pp->idx - PINGPONG_0, atomic_read(wait_info->atomic_cnt)); ret = dpu_encoder_helper_wait_event_timeout( DRMID(phys_enc->parent), - irq->hw_idx, + irq_idx, wait_info); if (ret <= 0) { - irq_status = dpu_core_irq_read(phys_enc->dpu_kms, - irq->irq_idx, true); + irq_status = dpu_core_irq_read(phys_enc->dpu_kms, irq_idx); if (irq_status) { unsigned long flags; - DRM_DEBUG_KMS("irq not triggered id=%u, intr=%d, " - "hw=%d, irq=%d, pp=%d, atomic_cnt=%d", - DRMID(phys_enc->parent), intr_idx, - irq->hw_idx, irq->irq_idx, + DRM_DEBUG_KMS("IRQ=[%d, %d] not triggered id=%u, callback=%ps, pp=%d, atomic_cnt=%d\n", + DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), + DRMID(phys_enc->parent), func, phys_enc->hw_pp->idx - PINGPONG_0, atomic_read(wait_info->atomic_cnt)); local_irq_save(flags); - irq->cb.func(phys_enc, irq->irq_idx); + func(phys_enc); local_irq_restore(flags); ret = 0; } else { ret = -ETIMEDOUT; - DRM_DEBUG_KMS("irq timeout id=%u, intr=%d, " - "hw=%d, irq=%d, pp=%d, atomic_cnt=%d", - DRMID(phys_enc->parent), intr_idx, - irq->hw_idx, irq->irq_idx, + DRM_DEBUG_KMS("IRQ=[%d, %d] timeout id=%u, callback=%ps, pp=%d, atomic_cnt=%d\n", + DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), + DRMID(phys_enc->parent), func, phys_enc->hw_pp->idx - PINGPONG_0, atomic_read(wait_info->atomic_cnt)); } } else { ret = 0; trace_dpu_enc_irq_wait_success(DRMID(phys_enc->parent), - intr_idx, irq->hw_idx, irq->irq_idx, + func, DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), phys_enc->hw_pp->idx - PINGPONG_0, atomic_read(wait_info->atomic_cnt)); } @@ -308,159 +529,43 @@ int dpu_encoder_helper_wait_for_irq(struct dpu_encoder_phys *phys_enc, return ret; } -int dpu_encoder_helper_register_irq(struct dpu_encoder_phys *phys_enc, - enum dpu_intr_idx intr_idx) -{ - struct dpu_encoder_irq *irq; - int ret = 0; - - if (!phys_enc || intr_idx >= INTR_IDX_MAX) { - DPU_ERROR("invalid params\n"); - return -EINVAL; - } - irq = &phys_enc->irq[intr_idx]; - - if (irq->irq_idx >= 0) { - DPU_DEBUG_PHYS(phys_enc, - "skipping already registered irq %s type %d\n", - irq->name, irq->intr_type); - return 0; - } - - irq->irq_idx = dpu_core_irq_idx_lookup(phys_enc->dpu_kms, - irq->intr_type, irq->hw_idx); - if (irq->irq_idx < 0) { - DPU_ERROR_PHYS(phys_enc, - "failed to lookup IRQ index for %s type:%d\n", - irq->name, irq->intr_type); - return -EINVAL; - } - - ret = dpu_core_irq_register_callback(phys_enc->dpu_kms, irq->irq_idx, - &irq->cb); - if (ret) { - DPU_ERROR_PHYS(phys_enc, - "failed to register IRQ callback for %s\n", - irq->name); - irq->irq_idx = -EINVAL; - return ret; - } - - ret = dpu_core_irq_enable(phys_enc->dpu_kms, &irq->irq_idx, 1); - if (ret) { - DRM_ERROR("enable failed id=%u, intr=%d, hw=%d, irq=%d", - DRMID(phys_enc->parent), intr_idx, irq->hw_idx, - irq->irq_idx); - dpu_core_irq_unregister_callback(phys_enc->dpu_kms, - irq->irq_idx, &irq->cb); - irq->irq_idx = -EINVAL; - return ret; - } - - trace_dpu_enc_irq_register_success(DRMID(phys_enc->parent), intr_idx, - irq->hw_idx, irq->irq_idx); - - return ret; -} - -int dpu_encoder_helper_unregister_irq(struct dpu_encoder_phys *phys_enc, - enum dpu_intr_idx intr_idx) +/** + * 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) { - struct dpu_encoder_irq *irq; - int ret; - - if (!phys_enc) { - DPU_ERROR("invalid encoder\n"); - return -EINVAL; - } - irq = &phys_enc->irq[intr_idx]; - - /* silently skip irqs that weren't registered */ - if (irq->irq_idx < 0) { - DRM_ERROR("duplicate unregister id=%u, intr=%d, hw=%d, irq=%d", - DRMID(phys_enc->parent), intr_idx, irq->hw_idx, - irq->irq_idx); - return 0; - } - - ret = dpu_core_irq_disable(phys_enc->dpu_kms, &irq->irq_idx, 1); - if (ret) { - DRM_ERROR("disable failed id=%u, intr=%d, hw=%d, irq=%d ret=%d", - DRMID(phys_enc->parent), intr_idx, irq->hw_idx, - irq->irq_idx, ret); - } - - ret = dpu_core_irq_unregister_callback(phys_enc->dpu_kms, irq->irq_idx, - &irq->cb); - if (ret) { - DRM_ERROR("unreg cb fail id=%u, intr=%d, hw=%d, irq=%d ret=%d", - DRMID(phys_enc->parent), intr_idx, irq->hw_idx, - irq->irq_idx, ret); - } - - trace_dpu_enc_irq_unregister_success(DRMID(phys_enc->parent), intr_idx, - irq->hw_idx, irq->irq_idx); - - irq->irq_idx = -EINVAL; - - return 0; + struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); + struct dpu_encoder_phys *phys = dpu_enc ? dpu_enc->cur_master : NULL; + return phys ? atomic_read(&phys->vsync_cnt) : 0; } -void dpu_encoder_get_hw_resources(struct drm_encoder *drm_enc, - struct dpu_encoder_hw_resources *hw_res) +/** + * 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) { - struct dpu_encoder_virt *dpu_enc = NULL; - int i = 0; + struct dpu_encoder_virt *dpu_enc; + struct dpu_encoder_phys *phys; + int linecount = 0; dpu_enc = to_dpu_encoder_virt(drm_enc); - DPU_DEBUG_ENC(dpu_enc, "\n"); + phys = dpu_enc ? dpu_enc->cur_master : NULL; - /* Query resources used by phys encs, expected to be without overlap */ - memset(hw_res, 0, sizeof(*hw_res)); + if (phys && phys->ops.get_line_count) + linecount = phys->ops.get_line_count(phys); - for (i = 0; i < dpu_enc->num_phys_encs; i++) { - struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - - if (phys && phys->ops.get_hw_resources) - phys->ops.get_hw_resources(phys, hw_res); - } -} - -static void dpu_encoder_destroy(struct drm_encoder *drm_enc) -{ - struct dpu_encoder_virt *dpu_enc = NULL; - int i = 0; - - if (!drm_enc) { - DPU_ERROR("invalid encoder\n"); - return; - } - - dpu_enc = to_dpu_encoder_virt(drm_enc); - DPU_DEBUG_ENC(dpu_enc, "\n"); - - mutex_lock(&dpu_enc->enc_lock); - - for (i = 0; i < dpu_enc->num_phys_encs; i++) { - struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - - if (phys && phys->ops.destroy) { - phys->ops.destroy(phys); - --dpu_enc->num_phys_encs; - dpu_enc->phys_encs[i] = NULL; - } - } - - if (dpu_enc->num_phys_encs) - DPU_ERROR_ENC(dpu_enc, "expected 0 num_phys_encs not %d\n", - dpu_enc->num_phys_encs); - dpu_enc->num_phys_encs = 0; - mutex_unlock(&dpu_enc->enc_lock); - - drm_encoder_cleanup(drm_enc); - mutex_destroy(&dpu_enc->enc_lock); + return linecount; } +/** + * dpu_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 dpu_intf setting + */ void dpu_encoder_helper_split_config( struct dpu_encoder_phys *phys_enc, enum dpu_intf interface) @@ -470,8 +575,8 @@ void dpu_encoder_helper_split_config( struct dpu_hw_mdp *hw_mdptop; struct msm_display_info *disp_info; - if (!phys_enc || !phys_enc->hw_mdptop || !phys_enc->parent) { - DPU_ERROR("invalid arg(s), encoder %d\n", phys_enc != 0); + if (!phys_enc->hw_mdptop || !phys_enc->parent) { + DPU_ERROR("invalid arg(s), encoder %d\n", phys_enc != NULL); return; } @@ -479,7 +584,7 @@ void dpu_encoder_helper_split_config( hw_mdptop = phys_enc->hw_mdptop; disp_info = &dpu_enc->disp_info; - if (disp_info->intf_type != DRM_MODE_ENCODER_DSI) + if (disp_info->intf_type != INTF_DSI) return; /** @@ -510,122 +615,130 @@ void dpu_encoder_helper_split_config( } } -static void _dpu_encoder_adjust_mode(struct drm_connector *connector, - struct drm_display_mode *adj_mode) +/** + * dpu_encoder_use_dsc_merge - returns true if the encoder uses DSC merge topology. + * @drm_enc: Pointer to previously created drm encoder structure + */ +bool dpu_encoder_use_dsc_merge(struct drm_encoder *drm_enc) { - struct drm_display_mode *cur_mode; + struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); + int i, intf_count = 0, num_dsc = 0; - if (!connector || !adj_mode) - return; + for (i = 0; i < MAX_PHYS_ENCODERS_PER_VIRTUAL; i++) + if (dpu_enc->phys_encs[i]) + intf_count++; - list_for_each_entry(cur_mode, &connector->modes, head) { - if (cur_mode->vdisplay == adj_mode->vdisplay && - cur_mode->hdisplay == adj_mode->hdisplay && - cur_mode->vrefresh == adj_mode->vrefresh) { - adj_mode->private = cur_mode->private; - adj_mode->private_flags |= cur_mode->private_flags; - } - } + for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) + if (dpu_enc->hw_dsc[i]) + num_dsc++; + + return (num_dsc > 0) && (num_dsc > intf_count); } -static struct msm_display_topology dpu_encoder_get_topology( - struct dpu_encoder_virt *dpu_enc, - struct dpu_kms *dpu_kms, - struct drm_display_mode *mode) +/** + * dpu_encoder_get_dsc_config - get DSC config for the DPU encoder + * This helper function is used by physical encoder to get DSC config + * used for this encoder. + * @drm_enc: Pointer to encoder structure + */ +struct drm_dsc_config *dpu_encoder_get_dsc_config(struct drm_encoder *drm_enc) { - struct msm_display_topology topology; - int i, intf_count = 0; - - for (i = 0; i < MAX_PHYS_ENCODERS_PER_VIRTUAL; i++) - if (dpu_enc->phys_encs[i]) - intf_count++; + struct msm_drm_private *priv = drm_enc->dev->dev_private; + struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); + int index = dpu_enc->disp_info.h_tile_instance[0]; - /* User split topology for width > 1080 */ - topology.num_lm = (mode->vdisplay > MAX_VDISPLAY_SPLIT) ? 2 : 1; - topology.num_enc = 0; - topology.num_intf = intf_count; + if (dpu_enc->disp_info.intf_type == INTF_DSI) + return msm_dsi_get_dsc_config(priv->kms->dsi[index]); - return topology; + return NULL; } -static int dpu_encoder_virt_atomic_check( - struct drm_encoder *drm_enc, - struct drm_crtc_state *crtc_state, - struct drm_connector_state *conn_state) + +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) { - struct dpu_encoder_virt *dpu_enc; - struct msm_drm_private *priv; - struct dpu_kms *dpu_kms; - const struct drm_display_mode *mode; - struct drm_display_mode *adj_mode; - struct msm_display_topology topology; - int i = 0; - int ret = 0; + struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); + struct msm_drm_private *priv = dpu_enc->base.dev->dev_private; + struct msm_display_info *disp_info = &dpu_enc->disp_info; + struct drm_connector *connector; + struct drm_connector_state *conn_state; + struct drm_framebuffer *fb; + struct drm_dsc_config *dsc; - if (!drm_enc || !crtc_state || !conn_state) { - DPU_ERROR("invalid arg(s), drm_enc %d, crtc/conn state %d/%d\n", - drm_enc != 0, crtc_state != 0, conn_state != 0); - return -EINVAL; - } + int i; - dpu_enc = to_dpu_encoder_virt(drm_enc); - DPU_DEBUG_ENC(dpu_enc, "\n"); + for (i = 0; i < MAX_PHYS_ENCODERS_PER_VIRTUAL; i++) + if (dpu_enc->phys_encs[i]) + topology->num_intf++; - priv = drm_enc->dev->dev_private; - dpu_kms = to_dpu_kms(priv->kms); - mode = &crtc_state->mode; - adj_mode = &crtc_state->adjusted_mode; - trace_dpu_enc_atomic_check(DRMID(drm_enc)); + dsc = dpu_encoder_get_dsc_config(drm_enc); /* - * display drivers may populate private fields of the drm display mode - * structure while registering possible modes of a connector with DRM. - * These private fields are not populated back while DRM invokes - * the mode_set callbacks. This module retrieves and populates the - * private fields of the given mode. + * Set DSC number as 1 to mark the enabled status, will be adjusted + * in dpu_crtc_get_topology() */ - _dpu_encoder_adjust_mode(conn_state->connector, adj_mode); + if (dsc) + topology->num_dsc = 1; - /* perform atomic check on the first physical encoder (master) */ - for (i = 0; i < dpu_enc->num_phys_encs; i++) { - struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; + connector = drm_atomic_get_new_connector_for_encoder(state, drm_enc); + if (!connector) + return; + conn_state = drm_atomic_get_new_connector_state(state, connector); + if (!conn_state) + return; - if (phys && phys->ops.atomic_check) - ret = phys->ops.atomic_check(phys, crtc_state, - conn_state); - else if (phys && phys->ops.mode_fixup) - if (!phys->ops.mode_fixup(phys, mode, adj_mode)) - ret = -EINVAL; + /* + * Use CDM only for writeback or DP at the moment as other interfaces cannot handle it. + * If writeback itself cannot handle cdm for some reason it will fail in its atomic_check() + * earlier. + */ + if (disp_info->intf_type == INTF_WB && conn_state->writeback_job) { + fb = conn_state->writeback_job->fb; - if (ret) { - DPU_ERROR_ENC(dpu_enc, - "mode unsupported, phys idx %d\n", i); - break; - } + if (fb && MSM_FORMAT_IS_YUV(msm_framebuffer_format(fb))) + topology->num_cdm++; + } else if (disp_info->intf_type == INTF_DP) { + if (msm_dp_is_yuv_420_enabled(priv->kms->dp[disp_info->h_tile_instance[0]], + adj_mode)) + topology->num_cdm++; } +} - topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode); +bool dpu_encoder_needs_modeset(struct drm_encoder *drm_enc, struct drm_atomic_state *state) +{ + struct drm_connector *connector; + struct drm_connector_state *conn_state; + struct drm_framebuffer *fb; + struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); - /* Reserve dynamic resources now. Indicating AtomicTest phase */ - if (!ret) { - /* - * Avoid reserving resources when mode set is pending. Topology - * info may not be available to complete reservation. - */ - if (drm_atomic_crtc_needs_modeset(crtc_state) - && dpu_enc->mode_set_complete) { - ret = dpu_rm_reserve(&dpu_kms->rm, drm_enc, crtc_state, - topology, true); - dpu_enc->mode_set_complete = false; - } - } + if (!drm_enc || !state) + return false; - if (!ret) - drm_mode_set_crtcinfo(adj_mode, 0); + connector = drm_atomic_get_new_connector_for_encoder(state, drm_enc); + if (!connector) + return false; - trace_dpu_enc_atomic_check_flags(DRMID(drm_enc), adj_mode->flags, - adj_mode->private_flags); + conn_state = drm_atomic_get_new_connector_state(state, connector); + if (!conn_state) + return false; - return ret; + /** + * These checks are duplicated from dpu_encoder_update_topology() since + * CRTC and encoder don't hold topology information + */ + if (dpu_enc->disp_info.intf_type == INTF_WB && conn_state->writeback_job) { + fb = conn_state->writeback_job->fb; + if (fb && MSM_FORMAT_IS_YUV(msm_framebuffer_format(fb))) { + if (!dpu_enc->cur_master->hw_cdm) + return true; + } else { + if (dpu_enc->cur_master->hw_cdm) + return true; + } + } + + return false; } static void _dpu_encoder_update_vsync_source(struct dpu_encoder_virt *dpu_enc, @@ -636,6 +749,7 @@ static void _dpu_encoder_update_vsync_source(struct dpu_encoder_virt *dpu_enc, struct dpu_kms *dpu_kms; struct dpu_hw_mdp *hw_mdptop; struct drm_encoder *drm_enc; + struct dpu_encoder_phys *phys_enc; int i; if (!dpu_enc || !disp_info) { @@ -654,33 +768,34 @@ static void _dpu_encoder_update_vsync_source(struct dpu_encoder_virt *dpu_enc, priv = drm_enc->dev->dev_private; dpu_kms = to_dpu_kms(priv->kms); - if (!dpu_kms) { - DPU_ERROR("invalid dpu_kms\n"); - return; - } - hw_mdptop = dpu_kms->hw_mdp; if (!hw_mdptop) { DPU_ERROR("invalid mdptop\n"); return; } - if (hw_mdptop->ops.setup_vsync_source && - disp_info->capabilities & MSM_DISPLAY_CAP_CMD_MODE) { + if (hw_mdptop->ops.setup_vsync_source) { for (i = 0; i < dpu_enc->num_phys_encs; i++) vsync_cfg.ppnumber[i] = dpu_enc->hw_pp[i]->idx; vsync_cfg.pp_count = dpu_enc->num_phys_encs; - if (disp_info->is_te_using_watchdog_timer) - vsync_cfg.vsync_source = DPU_VSYNC_SOURCE_WD_TIMER_0; - else - vsync_cfg.vsync_source = DPU_VSYNC0_SOURCE_GPIO; + vsync_cfg.frame_rate = drm_mode_vrefresh(&dpu_enc->base.crtc->state->adjusted_mode); + + vsync_cfg.vsync_source = disp_info->vsync_source; hw_mdptop->ops.setup_vsync_source(hw_mdptop, &vsync_cfg); + + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + phys_enc = dpu_enc->phys_encs[i]; + + if (phys_enc->has_intf_te && phys_enc->hw_intf->ops.vsync_sel) + phys_enc->hw_intf->ops.vsync_sel(phys_enc->hw_intf, + vsync_cfg.vsync_source); + } } } -static void _dpu_encoder_irq_control(struct drm_encoder *drm_enc, bool enable) +static void _dpu_encoder_irq_enable(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc; int i; @@ -692,18 +807,35 @@ static void _dpu_encoder_irq_control(struct drm_encoder *drm_enc, bool enable) dpu_enc = to_dpu_encoder_virt(drm_enc); - DPU_DEBUG_ENC(dpu_enc, "enable:%d\n", enable); + DPU_DEBUG_ENC(dpu_enc, "\n"); for (i = 0; i < dpu_enc->num_phys_encs; i++) { struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - if (phys && phys->ops.irq_control) - phys->ops.irq_control(phys, enable); + phys->ops.irq_enable(phys); } +} +static void _dpu_encoder_irq_disable(struct drm_encoder *drm_enc) +{ + struct dpu_encoder_virt *dpu_enc; + int i; + + if (!drm_enc) { + DPU_ERROR("invalid encoder\n"); + return; + } + + dpu_enc = to_dpu_encoder_virt(drm_enc); + + DPU_DEBUG_ENC(dpu_enc, "\n"); + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; + + phys->ops.irq_disable(phys); + } } -static void _dpu_encoder_resource_control_helper(struct drm_encoder *drm_enc, - bool enable) +static void _dpu_encoder_resource_enable(struct drm_encoder *drm_enc) { struct msm_drm_private *priv; struct dpu_kms *dpu_kms; @@ -713,28 +845,42 @@ static void _dpu_encoder_resource_control_helper(struct drm_encoder *drm_enc, priv = drm_enc->dev->dev_private; dpu_kms = to_dpu_kms(priv->kms); - trace_dpu_enc_rc_helper(DRMID(drm_enc), enable); + trace_dpu_enc_rc_enable(DRMID(drm_enc)); if (!dpu_enc->cur_master) { DPU_ERROR("encoder master not set\n"); return; } - if (enable) { - /* enable DPU core clks */ - pm_runtime_get_sync(&dpu_kms->pdev->dev); + /* enable DPU core clks */ + pm_runtime_get_sync(&dpu_kms->pdev->dev); - /* enable all the irq */ - _dpu_encoder_irq_control(drm_enc, true); + /* enable all the irq */ + _dpu_encoder_irq_enable(drm_enc); +} - } else { - /* disable all the irq */ - _dpu_encoder_irq_control(drm_enc, false); +static void _dpu_encoder_resource_disable(struct drm_encoder *drm_enc) +{ + struct msm_drm_private *priv; + struct dpu_kms *dpu_kms; + struct dpu_encoder_virt *dpu_enc; + + dpu_enc = to_dpu_encoder_virt(drm_enc); + priv = drm_enc->dev->dev_private; + dpu_kms = to_dpu_kms(priv->kms); + + trace_dpu_enc_rc_disable(DRMID(drm_enc)); - /* disable DPU core clks */ - pm_runtime_put_sync(&dpu_kms->pdev->dev); + if (!dpu_enc->cur_master) { + DPU_ERROR("encoder master not set\n"); + return; } + /* disable all the irq */ + _dpu_encoder_irq_disable(drm_enc); + + /* disable DPU core clks */ + pm_runtime_put_sync(&dpu_kms->pdev->dev); } static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, @@ -742,24 +888,15 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, { struct dpu_encoder_virt *dpu_enc; struct msm_drm_private *priv; - struct msm_drm_thread *disp_thread; bool is_vid_mode = false; - if (!drm_enc || !drm_enc->dev || !drm_enc->dev->dev_private || - !drm_enc->crtc) { + if (!drm_enc || !drm_enc->dev || !drm_enc->crtc) { DPU_ERROR("invalid parameters\n"); return -EINVAL; } dpu_enc = to_dpu_encoder_virt(drm_enc); priv = drm_enc->dev->dev_private; - is_vid_mode = dpu_enc->disp_info.capabilities & - MSM_DISPLAY_CAP_VID_MODE; - - if (drm_enc->crtc->index >= ARRAY_SIZE(priv->disp_thread)) { - DPU_ERROR("invalid crtc index\n"); - return -EINVAL; - } - disp_thread = &priv->disp_thread[drm_enc->crtc->index]; + is_vid_mode = !dpu_enc->disp_info.is_cmd_mode; /* * when idle_pc is not supported, process only KICKOFF, STOP and MODESET @@ -777,8 +914,7 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, switch (sw_event) { case DPU_ENC_RC_EVENT_KICKOFF: /* cancel delayed off work, if any */ - if (kthread_cancel_delayed_work_sync( - &dpu_enc->delayed_off_work)) + if (cancel_delayed_work_sync(&dpu_enc->delayed_off_work)) DPU_DEBUG_ENC(dpu_enc, "sw_event:%d, work cancelled\n", sw_event); @@ -786,13 +922,13 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, /* return if the resource control is already in ON state */ if (dpu_enc->rc_state == DPU_ENC_RC_STATE_ON) { - DRM_DEBUG_KMS("id;%u, sw_event:%d, rc in ON state\n", + DRM_DEBUG_ATOMIC("id;%u, sw_event:%d, rc in ON state\n", DRMID(drm_enc), sw_event); mutex_unlock(&dpu_enc->rc_lock); return 0; } else if (dpu_enc->rc_state != DPU_ENC_RC_STATE_OFF && dpu_enc->rc_state != DPU_ENC_RC_STATE_IDLE) { - DRM_DEBUG_KMS("id;%u, sw_event:%d, rc in state %d\n", + DRM_DEBUG_ATOMIC("id;%u, sw_event:%d, rc in state %d\n", DRMID(drm_enc), sw_event, dpu_enc->rc_state); mutex_unlock(&dpu_enc->rc_lock); @@ -800,9 +936,9 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, } if (is_vid_mode && dpu_enc->rc_state == DPU_ENC_RC_STATE_IDLE) - _dpu_encoder_irq_control(drm_enc, true); + _dpu_encoder_irq_enable(drm_enc); else - _dpu_encoder_resource_control_helper(drm_enc, true); + _dpu_encoder_resource_enable(drm_enc); dpu_enc->rc_state = DPU_ENC_RC_STATE_ON; @@ -837,10 +973,8 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, return 0; } - kthread_queue_delayed_work( - &disp_thread->worker, - &dpu_enc->delayed_off_work, - msecs_to_jiffies(dpu_enc->idle_timeout)); + queue_delayed_work(priv->kms->wq, &dpu_enc->delayed_off_work, + msecs_to_jiffies(dpu_enc->idle_timeout)); trace_dpu_enc_rc(DRMID(drm_enc), sw_event, dpu_enc->idle_pc_supported, dpu_enc->rc_state, @@ -849,8 +983,7 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, case DPU_ENC_RC_EVENT_PRE_STOP: /* cancel delayed off work, if any */ - if (kthread_cancel_delayed_work_sync( - &dpu_enc->delayed_off_work)) + if (cancel_delayed_work_sync(&dpu_enc->delayed_off_work)) DPU_DEBUG_ENC(dpu_enc, "sw_event:%d, work cancelled\n", sw_event); @@ -858,7 +991,7 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, if (is_vid_mode && dpu_enc->rc_state == DPU_ENC_RC_STATE_IDLE) { - _dpu_encoder_irq_control(drm_enc, true); + _dpu_encoder_irq_enable(drm_enc); } /* skip if is already OFF or IDLE, resources are off already */ else if (dpu_enc->rc_state == DPU_ENC_RC_STATE_OFF || @@ -900,7 +1033,7 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, * and in IDLE state the resources are already disabled */ if (dpu_enc->rc_state == DPU_ENC_RC_STATE_PRE_OFF) - _dpu_encoder_resource_control_helper(drm_enc, false); + _dpu_encoder_resource_disable(drm_enc); dpu_enc->rc_state = DPU_ENC_RC_STATE_OFF; @@ -933,9 +1066,9 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, } if (is_vid_mode) - _dpu_encoder_irq_control(drm_enc, false); + _dpu_encoder_irq_disable(drm_enc); else - _dpu_encoder_resource_control_helper(drm_enc, false); + _dpu_encoder_resource_disable(drm_enc); dpu_enc->rc_state = DPU_ENC_RC_STATE_IDLE; @@ -961,19 +1094,68 @@ static int dpu_encoder_resource_control(struct drm_encoder *drm_enc, return 0; } -static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc, - struct drm_display_mode *mode, - struct drm_display_mode *adj_mode) +/** + * dpu_encoder_prepare_wb_job - prepare writeback job for the encoder. + * @drm_enc: Pointer to previously created drm encoder structure + * @job: Pointer to the current drm writeback job + */ +void dpu_encoder_prepare_wb_job(struct drm_encoder *drm_enc, + struct drm_writeback_job *job) +{ + struct dpu_encoder_virt *dpu_enc; + int i; + + dpu_enc = to_dpu_encoder_virt(drm_enc); + + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; + + if (phys->ops.prepare_wb_job) + phys->ops.prepare_wb_job(phys, job); + + } +} + +/** + * dpu_encoder_cleanup_wb_job - cleanup writeback job for the encoder. + * @drm_enc: Pointer to previously created drm encoder structure + * @job: Pointer to the current drm writeback job + */ +void dpu_encoder_cleanup_wb_job(struct drm_encoder *drm_enc, + struct drm_writeback_job *job) +{ + struct dpu_encoder_virt *dpu_enc; + int i; + + dpu_enc = to_dpu_encoder_virt(drm_enc); + + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; + + if (phys->ops.cleanup_wb_job) + phys->ops.cleanup_wb_job(phys, job); + + } +} + +static void dpu_encoder_virt_atomic_mode_set(struct drm_encoder *drm_enc, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state) { struct dpu_encoder_virt *dpu_enc; struct msm_drm_private *priv; struct dpu_kms *dpu_kms; - struct list_head *connector_list; - struct drm_connector *conn = NULL, *conn_iter; - struct dpu_rm_hw_iter pp_iter, ctl_iter; - struct msm_display_topology topology; - struct dpu_hw_ctl *hw_ctl[MAX_CHANNELS_PER_ENC] = { NULL }; - int i = 0, ret; + struct dpu_global_state *global_state; + struct dpu_hw_blk *hw_pp[MAX_CHANNELS_PER_ENC]; + struct dpu_hw_blk *hw_ctl[MAX_CHANNELS_PER_ENC]; + struct dpu_hw_blk *hw_dsc[MAX_CHANNELS_PER_ENC]; + struct dpu_hw_blk *hw_cwb[MAX_CHANNELS_PER_ENC]; + int num_ctl, num_pp, num_dsc, num_pp_per_intf; + int num_cwb = 0; + bool is_cwb_encoder; + unsigned int dsc_mask = 0; + unsigned int cwb_mask = 0; + int i; if (!drm_enc) { DPU_ERROR("invalid encoder\n"); @@ -985,109 +1167,142 @@ static void dpu_encoder_virt_mode_set(struct drm_encoder *drm_enc, priv = drm_enc->dev->dev_private; dpu_kms = to_dpu_kms(priv->kms); - connector_list = &dpu_kms->dev->mode_config.connector_list; + is_cwb_encoder = drm_crtc_in_clone_mode(crtc_state) && + dpu_enc->disp_info.intf_type == INTF_WB; + + global_state = dpu_kms_get_existing_global_state(dpu_kms); + if (IS_ERR_OR_NULL(global_state)) { + DPU_ERROR("Failed to get global state"); + return; + } trace_dpu_enc_mode_set(DRMID(drm_enc)); - list_for_each_entry(conn_iter, connector_list, head) - if (conn_iter->encoder == drm_enc) - conn = conn_iter; + /* Query resource that have been reserved in atomic check step. */ + if (is_cwb_encoder) { + num_pp = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state, + drm_enc->crtc, + DPU_HW_BLK_DCWB_PINGPONG, + hw_pp, ARRAY_SIZE(hw_pp)); + num_cwb = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state, + drm_enc->crtc, + DPU_HW_BLK_CWB, + hw_cwb, ARRAY_SIZE(hw_cwb)); + } else { + num_pp = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state, + drm_enc->crtc, + DPU_HW_BLK_PINGPONG, hw_pp, + ARRAY_SIZE(hw_pp)); + } - if (!conn) { - DPU_ERROR_ENC(dpu_enc, "failed to find attached connector\n"); - return; - } else if (!conn->state) { - DPU_ERROR_ENC(dpu_enc, "invalid connector state\n"); - return; + for (i = 0; i < num_cwb; i++) { + dpu_enc->hw_cwb[i] = to_dpu_hw_cwb(hw_cwb[i]); + cwb_mask |= BIT(dpu_enc->hw_cwb[i]->idx - CWB_0); } - topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode); + dpu_enc->cwb_mask = cwb_mask; - /* Reserve dynamic resources now. Indicating non-AtomicTest phase */ - ret = dpu_rm_reserve(&dpu_kms->rm, drm_enc, drm_enc->crtc->state, - topology, false); - if (ret) { - DPU_ERROR_ENC(dpu_enc, - "failed to reserve hw resources, %d\n", ret); - return; - } + num_ctl = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state, + drm_enc->crtc, DPU_HW_BLK_CTL, hw_ctl, ARRAY_SIZE(hw_ctl)); - dpu_rm_init_hw_iter(&pp_iter, drm_enc->base.id, DPU_HW_BLK_PINGPONG); - for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) { - dpu_enc->hw_pp[i] = NULL; - if (!dpu_rm_get_hw(&dpu_kms->rm, &pp_iter)) - break; - dpu_enc->hw_pp[i] = (struct dpu_hw_pingpong *) pp_iter.hw; + for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) + dpu_enc->hw_pp[i] = i < num_pp ? to_dpu_hw_pingpong(hw_pp[i]) + : NULL; + + num_dsc = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state, + drm_enc->crtc, DPU_HW_BLK_DSC, + hw_dsc, ARRAY_SIZE(hw_dsc)); + for (i = 0; i < num_dsc; i++) { + dpu_enc->hw_dsc[i] = to_dpu_hw_dsc(hw_dsc[i]); + dsc_mask |= BIT(dpu_enc->hw_dsc[i]->idx - DSC_0); } - dpu_rm_init_hw_iter(&ctl_iter, drm_enc->base.id, DPU_HW_BLK_CTL); - for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) { - if (!dpu_rm_get_hw(&dpu_kms->rm, &ctl_iter)) - break; - hw_ctl[i] = (struct dpu_hw_ctl *)ctl_iter.hw; + dpu_enc->dsc_mask = dsc_mask; + + if ((dpu_enc->disp_info.intf_type == INTF_WB && conn_state->writeback_job) || + dpu_enc->disp_info.intf_type == INTF_DP) { + struct dpu_hw_blk *hw_cdm = NULL; + + dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state, + drm_enc->crtc, DPU_HW_BLK_CDM, + &hw_cdm, 1); + dpu_enc->cur_master->hw_cdm = hw_cdm ? to_dpu_hw_cdm(hw_cdm) : NULL; } + /* + * There may be 4 PP and 2 INTF for quad pipe case, so INTF is not + * mapped to PP 1:1. Let's calculate the stride with pipe/INTF + */ + num_pp_per_intf = num_pp / dpu_enc->num_phys_encs; + for (i = 0; i < dpu_enc->num_phys_encs; i++) { struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - if (phys) { - if (!dpu_enc->hw_pp[i]) { - DPU_ERROR_ENC(dpu_enc, "no pp block assigned" - "at idx: %d\n", i); - return; - } - - if (!hw_ctl[i]) { - DPU_ERROR_ENC(dpu_enc, "no ctl block assigned" - "at idx: %d\n", i); - return; - } - - phys->hw_pp = dpu_enc->hw_pp[i]; - phys->hw_ctl = hw_ctl[i]; + phys->hw_pp = dpu_enc->hw_pp[num_pp_per_intf * i]; + if (!phys->hw_pp) { + DPU_ERROR_ENC(dpu_enc, + "no pp block assigned at idx: %d\n", i); + return; + } - phys->connector = conn->state->connector; - if (phys->ops.mode_set) - phys->ops.mode_set(phys, mode, adj_mode); + /* Use first (and only) CTL if active CTLs are supported */ + if (num_ctl == 1) + phys->hw_ctl = to_dpu_hw_ctl(hw_ctl[0]); + else + phys->hw_ctl = i < num_ctl ? to_dpu_hw_ctl(hw_ctl[i]) : NULL; + if (!phys->hw_ctl) { + DPU_ERROR_ENC(dpu_enc, + "no ctl block assigned at idx: %d\n", i); + return; } - } - dpu_enc->mode_set_complete = true; + phys->cached_mode = crtc_state->adjusted_mode; + if (phys->ops.atomic_mode_set) + phys->ops.atomic_mode_set(phys, crtc_state, conn_state); + } } static void _dpu_encoder_virt_enable_helper(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc = NULL; - struct msm_drm_private *priv; - struct dpu_kms *dpu_kms; + int i; - if (!drm_enc || !drm_enc->dev || !drm_enc->dev->dev_private) { + if (!drm_enc || !drm_enc->dev) { DPU_ERROR("invalid parameters\n"); return; } - priv = drm_enc->dev->dev_private; - dpu_kms = to_dpu_kms(priv->kms); - if (!dpu_kms) { - DPU_ERROR("invalid dpu_kms\n"); - return; - } - dpu_enc = to_dpu_encoder_virt(drm_enc); if (!dpu_enc || !dpu_enc->cur_master) { DPU_ERROR("invalid dpu encoder/master\n"); return; } - if (dpu_enc->cur_master->hw_mdptop && - dpu_enc->cur_master->hw_mdptop->ops.reset_ubwc) - dpu_enc->cur_master->hw_mdptop->ops.reset_ubwc( - dpu_enc->cur_master->hw_mdptop, - dpu_kms->catalog); - _dpu_encoder_update_vsync_source(dpu_enc, &dpu_enc->disp_info); + if (dpu_enc->disp_info.intf_type == INTF_DP && + dpu_enc->cur_master->hw_mdptop && + dpu_enc->cur_master->hw_mdptop->ops.intf_audio_select) + dpu_enc->cur_master->hw_mdptop->ops.intf_audio_select( + dpu_enc->cur_master->hw_mdptop); + + if (dpu_enc->disp_info.is_cmd_mode) + _dpu_encoder_update_vsync_source(dpu_enc, &dpu_enc->disp_info); + + if (dpu_enc->disp_info.intf_type == INTF_DSI && + !WARN_ON(dpu_enc->num_phys_encs == 0)) { + unsigned bpc = dpu_enc->connector->display_info.bpc; + for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) { + if (!dpu_enc->hw_pp[i]) + continue; + _dpu_encoder_setup_dither(dpu_enc->hw_pp[i], bpc); + } + } } +/** + * dpu_encoder_virt_runtime_resume - pm runtime resume the encoder configs + * @drm_enc: encoder pointer + */ void dpu_encoder_virt_runtime_resume(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); @@ -1108,21 +1323,28 @@ out: mutex_unlock(&dpu_enc->enc_lock); } -static void dpu_encoder_virt_enable(struct drm_encoder *drm_enc) +static void dpu_encoder_virt_atomic_enable(struct drm_encoder *drm_enc, + struct drm_atomic_state *state) { struct dpu_encoder_virt *dpu_enc = NULL; int ret = 0; struct drm_display_mode *cur_mode = NULL; - if (!drm_enc) { - DPU_ERROR("invalid encoder\n"); - return; - } dpu_enc = to_dpu_encoder_virt(drm_enc); + dpu_enc->dsc = dpu_encoder_get_dsc_config(drm_enc); + + atomic_set(&dpu_enc->frame_done_timeout_cnt, 0); mutex_lock(&dpu_enc->enc_lock); + + dpu_enc->commit_done_timedout = false; + + dpu_enc->connector = drm_atomic_get_new_connector_for_encoder(state, drm_enc); + cur_mode = &dpu_enc->base.crtc->state->adjusted_mode; + dpu_enc->wide_bus_en = dpu_encoder_is_widebus_enabled(drm_enc); + trace_dpu_enc_enable(DRMID(drm_enc), cur_mode->hdisplay, cur_mode->vdisplay); @@ -1148,86 +1370,87 @@ out: mutex_unlock(&dpu_enc->enc_lock); } -static void dpu_encoder_virt_disable(struct drm_encoder *drm_enc) +static void dpu_encoder_virt_atomic_disable(struct drm_encoder *drm_enc, + struct drm_atomic_state *state) { struct dpu_encoder_virt *dpu_enc = NULL; - struct msm_drm_private *priv; - struct dpu_kms *dpu_kms; - struct drm_display_mode *mode; + struct drm_crtc *crtc; + struct drm_crtc_state *old_state = NULL; int i = 0; - if (!drm_enc) { - DPU_ERROR("invalid encoder\n"); - return; - } else if (!drm_enc->dev) { - DPU_ERROR("invalid dev\n"); - return; - } else if (!drm_enc->dev->dev_private) { - DPU_ERROR("invalid dev_private\n"); - return; - } - dpu_enc = to_dpu_encoder_virt(drm_enc); DPU_DEBUG_ENC(dpu_enc, "\n"); - mutex_lock(&dpu_enc->enc_lock); - dpu_enc->enabled = false; + crtc = drm_atomic_get_old_crtc_for_encoder(state, drm_enc); + if (crtc) + old_state = drm_atomic_get_old_crtc_state(state, crtc); - mode = &drm_enc->crtc->state->adjusted_mode; + /* + * The encoder is already disabled if self refresh mode was set earlier, + * in the old_state for the corresponding crtc. + */ + if (old_state && old_state->self_refresh_active) + return; - priv = drm_enc->dev->dev_private; - dpu_kms = to_dpu_kms(priv->kms); + mutex_lock(&dpu_enc->enc_lock); + dpu_enc->enabled = false; trace_dpu_enc_disable(DRMID(drm_enc)); /* wait for idle */ - dpu_encoder_wait_for_event(drm_enc, MSM_ENC_TX_COMPLETE); + dpu_encoder_wait_for_tx_complete(drm_enc); dpu_encoder_resource_control(drm_enc, DPU_ENC_RC_EVENT_PRE_STOP); for (i = 0; i < dpu_enc->num_phys_encs; i++) { struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - if (phys && phys->ops.disable) + if (phys->ops.disable) phys->ops.disable(phys); } + /* after phys waits for frame-done, should be no more frames pending */ - if (atomic_xchg(&dpu_enc->frame_done_timeout, 0)) { + if (atomic_xchg(&dpu_enc->frame_done_timeout_ms, 0)) { DPU_ERROR("enc%d timeout pending\n", drm_enc->base.id); - del_timer_sync(&dpu_enc->frame_done_timer); + timer_delete_sync(&dpu_enc->frame_done_timer); } dpu_encoder_resource_control(drm_enc, DPU_ENC_RC_EVENT_STOP); - for (i = 0; i < dpu_enc->num_phys_encs; i++) { - if (dpu_enc->phys_encs[i]) - dpu_enc->phys_encs[i]->connector = NULL; - } + dpu_enc->connector = NULL; DPU_DEBUG_ENC(dpu_enc, "encoder disabled\n"); - dpu_rm_release(&dpu_kms->rm, drm_enc); - mutex_unlock(&dpu_enc->enc_lock); } -static enum dpu_intf dpu_encoder_get_intf(struct dpu_mdss_cfg *catalog, +static struct dpu_hw_intf *dpu_encoder_get_intf(const struct dpu_mdss_cfg *catalog, + struct dpu_rm *dpu_rm, enum dpu_intf_type type, u32 controller_id) { int i = 0; + if (type == INTF_WB) + return NULL; + for (i = 0; i < catalog->intf_count; i++) { if (catalog->intf[i].type == type && catalog->intf[i].controller_id == controller_id) { - return catalog->intf[i].id; + return dpu_rm_get_intf(dpu_rm, catalog->intf[i].id); } } - return INTF_MAX; + return NULL; } -static void dpu_encoder_vblank_callback(struct drm_encoder *drm_enc, +/** + * dpu_encoder_vblank_callback - Notify virtual encoder of vblank IRQ reception + * @drm_enc: Pointer to drm encoder structure + * @phy_enc: Pointer to physical encoder + * Note: This is called from IRQ handler context. + */ +void dpu_encoder_vblank_callback(struct drm_encoder *drm_enc, struct dpu_encoder_phys *phy_enc) { struct dpu_encoder_virt *dpu_enc = NULL; @@ -1239,16 +1462,23 @@ static void dpu_encoder_vblank_callback(struct drm_encoder *drm_enc, DPU_ATRACE_BEGIN("encoder_vblank_callback"); dpu_enc = to_dpu_encoder_virt(drm_enc); + atomic_inc(&phy_enc->vsync_cnt); + spin_lock_irqsave(&dpu_enc->enc_spinlock, lock_flags); if (dpu_enc->crtc) dpu_crtc_vblank_callback(dpu_enc->crtc); spin_unlock_irqrestore(&dpu_enc->enc_spinlock, lock_flags); - atomic_inc(&phy_enc->vsync_cnt); DPU_ATRACE_END("encoder_vblank_callback"); } -static void dpu_encoder_underrun_callback(struct drm_encoder *drm_enc, +/** + * dpu_encoder_underrun_callback - Notify virtual encoder of underrun IRQ reception + * @drm_enc: Pointer to drm encoder structure + * @phy_enc: Pointer to physical encoder + * Note: This is called from IRQ handler context. + */ +void dpu_encoder_underrun_callback(struct drm_encoder *drm_enc, struct dpu_encoder_phys *phy_enc) { if (!phy_enc) @@ -1256,11 +1486,21 @@ static void dpu_encoder_underrun_callback(struct drm_encoder *drm_enc, DPU_ATRACE_BEGIN("encoder_underrun_callback"); atomic_inc(&phy_enc->underrun_cnt); + + /* trigger dump only on the first underrun */ + if (atomic_read(&phy_enc->underrun_cnt) == 1) + msm_disp_snapshot_state(drm_enc->dev); + trace_dpu_enc_underrun_cb(DRMID(drm_enc), atomic_read(&phy_enc->underrun_cnt)); DPU_ATRACE_END("encoder_underrun_callback"); } +/** + * dpu_encoder_assign_crtc - Link the encoder to the crtc it's assigned to + * @drm_enc: encoder pointer + * @crtc: crtc pointer + */ void dpu_encoder_assign_crtc(struct drm_encoder *drm_enc, struct drm_crtc *crtc) { struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); @@ -1273,6 +1513,13 @@ void dpu_encoder_assign_crtc(struct drm_encoder *drm_enc, struct drm_crtc *crtc) spin_unlock_irqrestore(&dpu_enc->enc_spinlock, lock_flags); } +/** + * dpu_encoder_toggle_vblank_for_crtc - Toggles vblank interrupts on or off if + * the encoder is assigned to the given crtc + * @drm_enc: encoder pointer + * @crtc: crtc pointer + * @enable: true if vblank should be enabled + */ void dpu_encoder_toggle_vblank_for_crtc(struct drm_encoder *drm_enc, struct drm_crtc *crtc, bool enable) { @@ -1292,34 +1539,19 @@ void dpu_encoder_toggle_vblank_for_crtc(struct drm_encoder *drm_enc, for (i = 0; i < dpu_enc->num_phys_encs; i++) { struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - if (phys && phys->ops.control_vblank_irq) + if (phys->ops.control_vblank_irq) phys->ops.control_vblank_irq(phys, enable); } } -void dpu_encoder_register_frame_event_callback(struct drm_encoder *drm_enc, - void (*frame_event_cb)(void *, u32 event), - void *frame_event_cb_data) -{ - struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); - unsigned long lock_flags; - bool enable; - - enable = frame_event_cb ? true : false; - - if (!drm_enc) { - DPU_ERROR("invalid encoder\n"); - return; - } - trace_dpu_enc_frame_event_cb(DRMID(drm_enc), enable); - - spin_lock_irqsave(&dpu_enc->enc_spinlock, lock_flags); - dpu_enc->crtc_frame_event_cb = frame_event_cb; - dpu_enc->crtc_frame_event_cb_data = frame_event_cb_data; - spin_unlock_irqrestore(&dpu_enc->enc_spinlock, lock_flags); -} - -static void dpu_encoder_frame_done_callback( +/** + * dpu_encoder_frame_done_callback - Notify virtual encoder that this phys + * encoder completes last request frame + * @drm_enc: Pointer to drm encoder structure + * @ready_phys: Pointer to physical encoder + * @event: Event to process + */ +void dpu_encoder_frame_done_callback( struct drm_encoder *drm_enc, struct dpu_encoder_phys *ready_phys, u32 event) { @@ -1335,8 +1567,10 @@ static void dpu_encoder_frame_done_callback( * suppress frame_done without waiter, * likely autorefresh */ - trace_dpu_enc_frame_done_cb_not_busy(DRMID(drm_enc), - event, ready_phys->intf_idx); + trace_dpu_enc_frame_done_cb_not_busy(DRMID(drm_enc), event, + dpu_encoder_helper_get_intf_type(ready_phys->intf_mode), + ready_phys->hw_intf ? ready_phys->hw_intf->idx : -1, + ready_phys->hw_wb ? ready_phys->hw_wb->idx : -1); return; } @@ -1350,34 +1584,26 @@ static void dpu_encoder_frame_done_callback( } if (!dpu_enc->frame_busy_mask[0]) { - atomic_set(&dpu_enc->frame_done_timeout, 0); - del_timer(&dpu_enc->frame_done_timer); + atomic_set(&dpu_enc->frame_done_timeout_ms, 0); + timer_delete(&dpu_enc->frame_done_timer); dpu_encoder_resource_control(drm_enc, DPU_ENC_RC_EVENT_FRAME_DONE); - if (dpu_enc->crtc_frame_event_cb) - dpu_enc->crtc_frame_event_cb( - dpu_enc->crtc_frame_event_cb_data, - event); + if (dpu_enc->crtc) + dpu_crtc_frame_event_cb(dpu_enc->crtc, event); } } else { - if (dpu_enc->crtc_frame_event_cb) - dpu_enc->crtc_frame_event_cb( - dpu_enc->crtc_frame_event_cb_data, event); + if (dpu_enc->crtc) + dpu_crtc_frame_event_cb(dpu_enc->crtc, event); } } -static void dpu_encoder_off_work(struct kthread_work *work) +static void dpu_encoder_off_work(struct work_struct *work) { struct dpu_encoder_virt *dpu_enc = container_of(work, struct dpu_encoder_virt, delayed_off_work.work); - if (!dpu_enc) { - DPU_ERROR("invalid dpu encoder\n"); - return; - } - dpu_encoder_resource_control(&dpu_enc->base, DPU_ENC_RC_EVENT_ENTER_IDLE); @@ -1387,39 +1613,39 @@ static void dpu_encoder_off_work(struct kthread_work *work) /** * _dpu_encoder_trigger_flush - trigger flush for a physical encoder - * drm_enc: Pointer to drm encoder structure - * phys: Pointer to physical encoder structure - * extra_flush_bits: Additional bit mask to include in flush trigger + * @drm_enc: Pointer to drm encoder structure + * @phys: Pointer to physical encoder structure + * @extra_flush_bits: Additional bit mask to include in flush trigger */ static void _dpu_encoder_trigger_flush(struct drm_encoder *drm_enc, - struct dpu_encoder_phys *phys, uint32_t extra_flush_bits, - bool async) + struct dpu_encoder_phys *phys, uint32_t extra_flush_bits) { + struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); struct dpu_hw_ctl *ctl; int pending_kickoff_cnt; u32 ret = UINT_MAX; - if (!drm_enc || !phys) { - DPU_ERROR("invalid argument(s), drm_enc %d, phys_enc %d\n", - drm_enc != 0, phys != 0); - return; - } - if (!phys->hw_pp) { DPU_ERROR("invalid pingpong hw\n"); return; } ctl = phys->hw_ctl; - if (!ctl || !ctl->ops.trigger_flush) { + if (!ctl->ops.trigger_flush) { DPU_ERROR("missing trigger cb\n"); return; } - if (!async) - pending_kickoff_cnt = dpu_encoder_phys_inc_pending(phys); - else - pending_kickoff_cnt = atomic_read(&phys->pending_kickoff_cnt); + pending_kickoff_cnt = dpu_encoder_phys_inc_pending(phys); + + /* Return early if encoder is writeback and in clone mode */ + if (drm_enc->encoder_type == DRM_MODE_ENCODER_VIRTUAL && + dpu_enc->cwb_mask) { + DPU_DEBUG("encoder %d skip flush for concurrent writeback encoder\n", + DRMID(drm_enc)); + return; + } + if (extra_flush_bits && ctl->ops.update_pending_flush) ctl->ops.update_pending_flush(ctl, extra_flush_bits); @@ -1429,17 +1655,22 @@ static void _dpu_encoder_trigger_flush(struct drm_encoder *drm_enc, if (ctl->ops.get_pending_flush) ret = ctl->ops.get_pending_flush(ctl); - trace_dpu_enc_trigger_flush(DRMID(drm_enc), phys->intf_idx, - pending_kickoff_cnt, ctl->idx, - extra_flush_bits, ret); + trace_dpu_enc_trigger_flush(DRMID(drm_enc), + dpu_encoder_helper_get_intf_type(phys->intf_mode), + phys->hw_intf ? phys->hw_intf->idx : -1, + phys->hw_wb ? phys->hw_wb->idx : -1, + pending_kickoff_cnt, ctl->idx, + extra_flush_bits, ret); } /** * _dpu_encoder_trigger_start - trigger start for a physical encoder - * phys: Pointer to physical encoder structure + * @phys: Pointer to physical encoder structure */ static void _dpu_encoder_trigger_start(struct dpu_encoder_phys *phys) { + struct dpu_encoder_virt *dpu_enc; + if (!phys) { DPU_ERROR("invalid argument(s)\n"); return; @@ -1450,21 +1681,30 @@ static void _dpu_encoder_trigger_start(struct dpu_encoder_phys *phys) return; } + dpu_enc = to_dpu_encoder_virt(phys->parent); + + if (phys->parent->encoder_type == DRM_MODE_ENCODER_VIRTUAL && + dpu_enc->cwb_mask) { + DPU_DEBUG("encoder %d CWB enabled, skipping\n", DRMID(phys->parent)); + return; + } + if (phys->ops.trigger_start && phys->enable_state != DPU_ENC_DISABLED) phys->ops.trigger_start(phys); } +/** + * dpu_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 dpu_encoder_helper_trigger_start(struct dpu_encoder_phys *phys_enc) { struct dpu_hw_ctl *ctl; - if (!phys_enc) { - DPU_ERROR("invalid encoder\n"); - return; - } - ctl = phys_enc->hw_ctl; - if (ctl && ctl->ops.trigger_start) { + if (ctl->ops.trigger_start) { ctl->ops.trigger_start(ctl); trace_dpu_enc_trigger_start(DRMID(phys_enc->parent), ctl->idx); } @@ -1472,7 +1712,7 @@ void dpu_encoder_helper_trigger_start(struct dpu_encoder_phys *phys_enc) static int dpu_encoder_helper_wait_event_timeout( int32_t drm_id, - int32_t hw_id, + unsigned int irq_idx, struct dpu_encoder_wait_info *info) { int rc = 0; @@ -1485,7 +1725,9 @@ static int dpu_encoder_helper_wait_event_timeout( atomic_read(info->atomic_cnt) == 0, jiffies); time = ktime_to_ms(ktime_get()); - trace_dpu_enc_wait_event_timeout(drm_id, hw_id, rc, time, + trace_dpu_enc_wait_event_timeout(drm_id, + DPU_IRQ_REG(irq_idx), DPU_IRQ_BIT(irq_idx), + rc, time, expected_time, atomic_read(info->atomic_cnt)); /* If we timed out, counter is valid and time is less, wait again */ @@ -1500,23 +1742,23 @@ static void dpu_encoder_helper_hw_reset(struct dpu_encoder_phys *phys_enc) struct dpu_encoder_virt *dpu_enc; struct dpu_hw_ctl *ctl; int rc; + struct drm_encoder *drm_enc; - if (!phys_enc) { - DPU_ERROR("invalid encoder\n"); - return; - } dpu_enc = to_dpu_encoder_virt(phys_enc->parent); ctl = phys_enc->hw_ctl; + drm_enc = phys_enc->parent; - if (!ctl || !ctl->ops.reset) + if (!ctl->ops.reset) return; - DRM_DEBUG_KMS("id:%u ctl %d reset\n", DRMID(phys_enc->parent), + DRM_DEBUG_KMS("id:%u ctl %d reset\n", DRMID(drm_enc), ctl->idx); rc = ctl->ops.reset(ctl); - if (rc) + if (rc) { DPU_ERROR_ENC(dpu_enc, "ctl %d reset failure\n", ctl->idx); + msm_disp_snapshot_state(drm_enc->dev); + } phys_enc->enable_state = DPU_ENC_ENABLED; } @@ -1528,20 +1770,14 @@ static void dpu_encoder_helper_hw_reset(struct dpu_encoder_phys *phys_enc) * encoder rather than the individual physical ones in order to handle * use cases that require visibility into multiple physical encoders at * a time. - * dpu_enc: Pointer to virtual encoder structure + * @dpu_enc: Pointer to virtual encoder structure */ -static void _dpu_encoder_kickoff_phys(struct dpu_encoder_virt *dpu_enc, - bool async) +static void _dpu_encoder_kickoff_phys(struct dpu_encoder_virt *dpu_enc) { struct dpu_hw_ctl *ctl; uint32_t i, pending_flush; unsigned long lock_flags; - if (!dpu_enc) { - DPU_ERROR("invalid encoder\n"); - return; - } - pending_flush = 0x0; /* update pending counts and trigger kickoff ctl flush atomically */ @@ -1551,19 +1787,22 @@ static void _dpu_encoder_kickoff_phys(struct dpu_encoder_virt *dpu_enc, for (i = 0; i < dpu_enc->num_phys_encs; i++) { struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - if (!phys || phys->enable_state == DPU_ENC_DISABLED) + if (phys->enable_state == DPU_ENC_DISABLED) continue; ctl = phys->hw_ctl; - if (!ctl) - continue; + /* + * This is cleared in frame_done worker, which isn't invoked + * for async commits. So don't set this for async, since it'll + * roll over to the next commit. + */ if (phys->split_role != ENC_ROLE_SLAVE) set_bit(i, dpu_enc->frame_busy_mask); + if (!phys->ops.needs_single_flush || !phys->ops.needs_single_flush(phys)) - _dpu_encoder_trigger_flush(&dpu_enc->base, phys, 0x0, - async); + _dpu_encoder_trigger_flush(&dpu_enc->base, phys, 0x0); else if (ctl->ops.get_pending_flush) pending_flush |= ctl->ops.get_pending_flush(ctl); } @@ -1573,7 +1812,7 @@ static void _dpu_encoder_kickoff_phys(struct dpu_encoder_virt *dpu_enc, _dpu_encoder_trigger_flush( &dpu_enc->base, dpu_enc->cur_master, - pending_flush, async); + pending_flush); } _dpu_encoder_trigger_start(dpu_enc->cur_master); @@ -1581,6 +1820,11 @@ static void _dpu_encoder_kickoff_phys(struct dpu_encoder_virt *dpu_enc, spin_unlock_irqrestore(&dpu_enc->enc_spinlock, lock_flags); } +/** + * dpu_encoder_trigger_kickoff_pending - Clear the flush bits from previous + * kickoff and trigger the ctl prepare progress for command mode display. + * @drm_enc: encoder pointer + */ void dpu_encoder_trigger_kickoff_pending(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc; @@ -1599,17 +1843,14 @@ void dpu_encoder_trigger_kickoff_pending(struct drm_encoder *drm_enc) for (i = 0; i < dpu_enc->num_phys_encs; i++) { phys = dpu_enc->phys_encs[i]; - if (phys && phys->hw_ctl) { - ctl = phys->hw_ctl; - if (ctl->ops.clear_pending_flush) - ctl->ops.clear_pending_flush(ctl); + ctl = phys->hw_ctl; + ctl->ops.clear_pending_flush(ctl); - /* update only for command mode primary ctl */ - if ((phys == dpu_enc->cur_master) && - (disp_info->capabilities & MSM_DISPLAY_CAP_CMD_MODE) - && ctl->ops.trigger_pending) - ctl->ops.trigger_pending(ctl); - } + /* update only for command mode primary ctl */ + if ((phys == dpu_enc->cur_master) && + disp_info->is_cmd_mode + && ctl->ops.trigger_pending) + ctl->ops.trigger_pending(ctl); } } @@ -1660,8 +1901,12 @@ static u32 _dpu_encoder_calculate_linetime(struct dpu_encoder_virt *dpu_enc, return line_time; } -static int _dpu_encoder_wakeup_time(struct drm_encoder *drm_enc, - ktime_t *wakeup_time) +/** + * dpu_encoder_vsync_time - get the time of the next vsync + * @drm_enc: encoder pointer + * @wakeup_time: pointer to ktime_t to write the vsync time to + */ +int dpu_encoder_vsync_time(struct drm_encoder *drm_enc, ktime_t *wakeup_time) { struct drm_display_mode *mode; struct dpu_encoder_virt *dpu_enc; @@ -1707,67 +1952,117 @@ static int _dpu_encoder_wakeup_time(struct drm_encoder *drm_enc, return 0; } -static void dpu_encoder_vsync_event_handler(struct timer_list *t) +static u32 +dpu_encoder_dsc_initial_line_calc(struct drm_dsc_config *dsc, + u32 enc_ip_width) { - struct dpu_encoder_virt *dpu_enc = from_timer(dpu_enc, t, - vsync_event_timer); - struct drm_encoder *drm_enc = &dpu_enc->base; - struct msm_drm_private *priv; - struct msm_drm_thread *event_thread; + int ssm_delay, total_pixels, soft_slice_per_enc; - if (!drm_enc->dev || !drm_enc->dev->dev_private || - !drm_enc->crtc) { - DPU_ERROR("invalid parameters\n"); - return; - } + soft_slice_per_enc = enc_ip_width / dsc->slice_width; - priv = drm_enc->dev->dev_private; + /* + * minimum number of initial line pixels is a sum of: + * 1. sub-stream multiplexer delay (83 groups for 8bpc, + * 91 for 10 bpc) * 3 + * 2. for two soft slice cases, add extra sub-stream multiplexer * 3 + * 3. the initial xmit delay + * 4. total pipeline delay through the "lock step" of encoder (47) + * 5. 6 additional pixels as the output of the rate buffer is + * 48 bits wide + */ + ssm_delay = ((dsc->bits_per_component < 10) ? 84 : 92); + total_pixels = ssm_delay * 3 + dsc->initial_xmit_delay + 47; + if (soft_slice_per_enc > 1) + total_pixels += (ssm_delay * 3); + return DIV_ROUND_UP(total_pixels, dsc->slice_width); +} - if (drm_enc->crtc->index >= ARRAY_SIZE(priv->event_thread)) { - DPU_ERROR("invalid crtc index\n"); - return; - } - event_thread = &priv->event_thread[drm_enc->crtc->index]; - if (!event_thread) { - DPU_ERROR("event_thread not found for crtc:%d\n", - drm_enc->crtc->index); - return; - } +static void dpu_encoder_dsc_pipe_cfg(struct dpu_hw_ctl *ctl, + struct dpu_hw_dsc *hw_dsc, + struct dpu_hw_pingpong *hw_pp, + struct drm_dsc_config *dsc, + u32 common_mode, + u32 initial_lines) +{ + if (hw_dsc->ops.dsc_config) + hw_dsc->ops.dsc_config(hw_dsc, dsc, common_mode, initial_lines); + + if (hw_dsc->ops.dsc_config_thresh) + hw_dsc->ops.dsc_config_thresh(hw_dsc, dsc); + + if (hw_pp->ops.setup_dsc) + hw_pp->ops.setup_dsc(hw_pp); + + if (hw_dsc->ops.dsc_bind_pingpong_blk) + hw_dsc->ops.dsc_bind_pingpong_blk(hw_dsc, hw_pp->idx); - del_timer(&dpu_enc->vsync_event_timer); + if (hw_pp->ops.enable_dsc) + hw_pp->ops.enable_dsc(hw_pp); + + if (ctl->ops.update_pending_flush_dsc) + ctl->ops.update_pending_flush_dsc(ctl, hw_dsc->idx); } -static void dpu_encoder_vsync_event_work_handler(struct kthread_work *work) +static void dpu_encoder_prep_dsc(struct dpu_encoder_virt *dpu_enc, + struct drm_dsc_config *dsc) { - struct dpu_encoder_virt *dpu_enc = container_of(work, - struct dpu_encoder_virt, vsync_event_work); - ktime_t wakeup_time; + struct dpu_encoder_phys *enc_master = dpu_enc->cur_master; + struct dpu_hw_ctl *ctl = enc_master->hw_ctl; + struct dpu_hw_dsc *hw_dsc[MAX_CHANNELS_PER_ENC]; + struct dpu_hw_pingpong *hw_pp[MAX_CHANNELS_PER_ENC]; + int this_frame_slices; + int intf_ip_w, enc_ip_w; + int dsc_common_mode; + int pic_width; + u32 initial_lines; + int num_dsc = 0; + int i; - if (!dpu_enc) { - DPU_ERROR("invalid dpu encoder\n"); - return; + for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) { + hw_pp[i] = dpu_enc->hw_pp[i]; + hw_dsc[i] = dpu_enc->hw_dsc[i]; + + if (!hw_pp[i] || !hw_dsc[i]) + break; + + num_dsc++; } - if (_dpu_encoder_wakeup_time(&dpu_enc->base, &wakeup_time)) - return; + pic_width = dsc->pic_width; + + dsc_common_mode = 0; + if (num_dsc > 1) + dsc_common_mode |= DSC_MODE_SPLIT_PANEL; + if (dpu_encoder_use_dsc_merge(enc_master->parent)) + dsc_common_mode |= DSC_MODE_MULTIPLEX; + if (enc_master->intf_mode == INTF_MODE_VIDEO) + dsc_common_mode |= DSC_MODE_VIDEO; + + this_frame_slices = pic_width / dsc->slice_width; + intf_ip_w = this_frame_slices * dsc->slice_width; - trace_dpu_enc_vsync_event_work(DRMID(&dpu_enc->base), wakeup_time); - mod_timer(&dpu_enc->vsync_event_timer, - nsecs_to_jiffies(ktime_to_ns(wakeup_time))); + enc_ip_w = intf_ip_w / num_dsc; + initial_lines = dpu_encoder_dsc_initial_line_calc(dsc, enc_ip_w); + + for (i = 0; i < num_dsc; i++) + dpu_encoder_dsc_pipe_cfg(ctl, hw_dsc[i], hw_pp[i], + dsc, dsc_common_mode, initial_lines); } -void dpu_encoder_prepare_for_kickoff(struct drm_encoder *drm_enc, - struct dpu_encoder_kickoff_params *params, bool async) +/** + * 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. + * @drm_enc: encoder pointer + */ +void dpu_encoder_prepare_for_kickoff(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc; struct dpu_encoder_phys *phys; bool needs_hw_reset = false; unsigned int i; - if (!drm_enc || !params) { - DPU_ERROR("invalid args\n"); - return; - } dpu_enc = to_dpu_encoder_virt(drm_enc); trace_dpu_enc_prepare_kickoff(DRMID(drm_enc)); @@ -1776,12 +2071,10 @@ void dpu_encoder_prepare_for_kickoff(struct drm_encoder *drm_enc, DPU_ATRACE_BEGIN("enc_prepare_for_kickoff"); for (i = 0; i < dpu_enc->num_phys_encs; i++) { phys = dpu_enc->phys_encs[i]; - if (phys) { - if (phys->ops.prepare_for_kickoff) - phys->ops.prepare_for_kickoff(phys, params); - if (phys->enable_state == DPU_ENC_ERR_NEEDS_HW_RESET) - needs_hw_reset = true; - } + if (phys->ops.prepare_for_kickoff) + phys->ops.prepare_for_kickoff(phys); + if (phys->enable_state == DPU_ENC_ERR_NEEDS_HW_RESET) + needs_hw_reset = true; } DPU_ATRACE_END("enc_prepare_for_kickoff"); @@ -1794,177 +2087,439 @@ void dpu_encoder_prepare_for_kickoff(struct drm_encoder *drm_enc, dpu_encoder_helper_hw_reset(dpu_enc->phys_encs[i]); } } + + if (dpu_enc->dsc) + dpu_encoder_prep_dsc(dpu_enc, dpu_enc->dsc); } -void dpu_encoder_kickoff(struct drm_encoder *drm_enc, bool async) +/** + * dpu_encoder_is_valid_for_commit - check if encode has valid parameters for commit. + * @drm_enc: Pointer to drm encoder structure + */ +bool dpu_encoder_is_valid_for_commit(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc; - struct dpu_encoder_phys *phys; - ktime_t wakeup_time; unsigned int i; + struct dpu_encoder_phys *phys; - if (!drm_enc) { - DPU_ERROR("invalid encoder\n"); - return; + dpu_enc = to_dpu_encoder_virt(drm_enc); + + if (drm_enc->encoder_type == DRM_MODE_ENCODER_VIRTUAL) { + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + phys = dpu_enc->phys_encs[i]; + if (phys->ops.is_valid_for_commit && !phys->ops.is_valid_for_commit(phys)) { + DPU_DEBUG("invalid FB not kicking off\n"); + return false; + } + } } + + return true; +} + +/** + * dpu_encoder_start_frame_done_timer - Start the encoder frame done timer + * @drm_enc: Pointer to drm encoder structure + */ +void dpu_encoder_start_frame_done_timer(struct drm_encoder *drm_enc) +{ + struct dpu_encoder_virt *dpu_enc; + unsigned long timeout_ms; + + dpu_enc = to_dpu_encoder_virt(drm_enc); + timeout_ms = DPU_ENCODER_FRAME_DONE_TIMEOUT_FRAMES * 1000 / + drm_mode_vrefresh(&drm_enc->crtc->state->adjusted_mode); + + atomic_set(&dpu_enc->frame_done_timeout_ms, timeout_ms); + mod_timer(&dpu_enc->frame_done_timer, + jiffies + msecs_to_jiffies(timeout_ms)); + +} + +/** + * dpu_encoder_kickoff - trigger a double buffer flip of the ctl path + * (i.e. ctl flush and start) immediately. + * @drm_enc: encoder pointer + */ +void dpu_encoder_kickoff(struct drm_encoder *drm_enc) +{ + struct dpu_encoder_virt *dpu_enc; + struct dpu_encoder_phys *phys; + unsigned int i; + DPU_ATRACE_BEGIN("encoder_kickoff"); dpu_enc = to_dpu_encoder_virt(drm_enc); trace_dpu_enc_kickoff(DRMID(drm_enc)); - atomic_set(&dpu_enc->frame_done_timeout, - DPU_FRAME_DONE_TIMEOUT * 1000 / - drm_enc->crtc->state->adjusted_mode.vrefresh); - mod_timer(&dpu_enc->frame_done_timer, jiffies + - ((atomic_read(&dpu_enc->frame_done_timeout) * HZ) / 1000)); - /* All phys encs are ready to go, trigger the kickoff */ - _dpu_encoder_kickoff_phys(dpu_enc, async); + _dpu_encoder_kickoff_phys(dpu_enc); /* allow phys encs to handle any post-kickoff business */ for (i = 0; i < dpu_enc->num_phys_encs; i++) { phys = dpu_enc->phys_encs[i]; - if (phys && phys->ops.handle_post_kickoff) + if (phys->ops.handle_post_kickoff) phys->ops.handle_post_kickoff(phys); } - if (dpu_enc->disp_info.intf_type == DRM_MODE_ENCODER_DSI && - !_dpu_encoder_wakeup_time(drm_enc, &wakeup_time)) { - trace_dpu_enc_early_kickoff(DRMID(drm_enc), - ktime_to_ms(wakeup_time)); - mod_timer(&dpu_enc->vsync_event_timer, - nsecs_to_jiffies(ktime_to_ns(wakeup_time))); + DPU_ATRACE_END("encoder_kickoff"); +} + +static void dpu_encoder_helper_reset_mixers(struct dpu_encoder_phys *phys_enc) +{ + int i, num_lm; + struct dpu_global_state *global_state; + struct dpu_hw_blk *hw_lm[MAX_CHANNELS_PER_ENC]; + struct dpu_hw_mixer *hw_mixer[MAX_CHANNELS_PER_ENC]; + struct dpu_hw_ctl *ctl = phys_enc->hw_ctl; + + /* reset all mixers for this encoder */ + if (ctl->ops.clear_all_blendstages) + ctl->ops.clear_all_blendstages(ctl); + + global_state = dpu_kms_get_existing_global_state(phys_enc->dpu_kms); + + num_lm = dpu_rm_get_assigned_resources(&phys_enc->dpu_kms->rm, global_state, + phys_enc->parent->crtc, DPU_HW_BLK_LM, hw_lm, ARRAY_SIZE(hw_lm)); + + for (i = 0; i < num_lm; i++) { + hw_mixer[i] = to_dpu_hw_mixer(hw_lm[i]); + if (ctl->ops.update_pending_flush_mixer) + ctl->ops.update_pending_flush_mixer(ctl, hw_mixer[i]->idx); + + /* clear all blendstages */ + if (ctl->ops.setup_blendstage) + ctl->ops.setup_blendstage(ctl, hw_mixer[i]->idx, NULL); + + if (hw_mixer[i]->ops.clear_all_blendstages) + hw_mixer[i]->ops.clear_all_blendstages(hw_mixer[i]); + + if (ctl->ops.set_active_lms) + ctl->ops.set_active_lms(ctl, NULL); + + if (ctl->ops.set_active_fetch_pipes) + ctl->ops.set_active_fetch_pipes(ctl, NULL); + + if (ctl->ops.set_active_pipes) + ctl->ops.set_active_pipes(ctl, NULL); } +} - DPU_ATRACE_END("encoder_kickoff"); +static void dpu_encoder_dsc_pipe_clr(struct dpu_hw_ctl *ctl, + struct dpu_hw_dsc *hw_dsc, + struct dpu_hw_pingpong *hw_pp) +{ + if (hw_dsc->ops.dsc_disable) + hw_dsc->ops.dsc_disable(hw_dsc); + + if (hw_pp->ops.disable_dsc) + hw_pp->ops.disable_dsc(hw_pp); + + if (hw_dsc->ops.dsc_bind_pingpong_blk) + hw_dsc->ops.dsc_bind_pingpong_blk(hw_dsc, PINGPONG_NONE); + + if (ctl->ops.update_pending_flush_dsc) + ctl->ops.update_pending_flush_dsc(ctl, hw_dsc->idx); } -void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc) +static void dpu_encoder_unprep_dsc(struct dpu_encoder_virt *dpu_enc) { - struct dpu_encoder_virt *dpu_enc; - struct dpu_encoder_phys *phys; + /* coding only for 2LM, 2enc, 1 dsc config */ + struct dpu_encoder_phys *enc_master = dpu_enc->cur_master; + struct dpu_hw_ctl *ctl = enc_master->hw_ctl; + struct dpu_hw_dsc *hw_dsc[MAX_CHANNELS_PER_ENC]; + struct dpu_hw_pingpong *hw_pp[MAX_CHANNELS_PER_ENC]; int i; - if (!drm_enc) { - DPU_ERROR("invalid encoder\n"); - return; - } - dpu_enc = to_dpu_encoder_virt(drm_enc); + for (i = 0; i < MAX_CHANNELS_PER_ENC; i++) { + hw_pp[i] = dpu_enc->hw_pp[i]; + hw_dsc[i] = dpu_enc->hw_dsc[i]; - for (i = 0; i < dpu_enc->num_phys_encs; i++) { - phys = dpu_enc->phys_encs[i]; - if (phys && phys->ops.prepare_commit) - phys->ops.prepare_commit(phys); + if (hw_pp[i] && hw_dsc[i]) + dpu_encoder_dsc_pipe_clr(ctl, hw_dsc[i], hw_pp[i]); } } -#ifdef CONFIG_DEBUG_FS -static int _dpu_encoder_status_show(struct seq_file *s, void *data) +/** + * dpu_encoder_helper_phys_cleanup - helper to cleanup dpu pipeline + * @phys_enc: Pointer to physical encoder structure + */ +void dpu_encoder_helper_phys_cleanup(struct dpu_encoder_phys *phys_enc) { - struct dpu_encoder_virt *dpu_enc = s->private; + struct dpu_hw_ctl *ctl = phys_enc->hw_ctl; + struct dpu_hw_intf_cfg intf_cfg = { 0 }; int i; + struct dpu_encoder_virt *dpu_enc; - mutex_lock(&dpu_enc->enc_lock); - for (i = 0; i < dpu_enc->num_phys_encs; i++) { - struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; + dpu_enc = to_dpu_encoder_virt(phys_enc->parent); - if (!phys) - continue; + ctl->ops.reset(ctl); - seq_printf(s, "intf:%d vsync:%8d underrun:%8d ", - phys->intf_idx - INTF_0, - atomic_read(&phys->vsync_cnt), - atomic_read(&phys->underrun_cnt)); + dpu_encoder_helper_reset_mixers(phys_enc); - switch (phys->intf_mode) { - case INTF_MODE_VIDEO: - seq_puts(s, "mode: video\n"); - break; - case INTF_MODE_CMD: - seq_puts(s, "mode: command\n"); - break; - default: - seq_puts(s, "mode: ???\n"); - break; + /* + * TODO: move the once-only operation like CTL flush/trigger + * into dpu_encoder_virt_disable() and all operations which need + * to be done per phys encoder into the phys_disable() op. + */ + if (phys_enc->hw_wb) { + /* disable the PP block */ + if (phys_enc->hw_wb->ops.bind_pingpong_blk) + phys_enc->hw_wb->ops.bind_pingpong_blk(phys_enc->hw_wb, PINGPONG_NONE); + + /* mark WB flush as pending */ + if (ctl->ops.update_pending_flush_wb) + ctl->ops.update_pending_flush_wb(ctl, phys_enc->hw_wb->idx); + } else { + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + if (dpu_enc->phys_encs[i] && phys_enc->hw_intf->ops.bind_pingpong_blk) + phys_enc->hw_intf->ops.bind_pingpong_blk( + dpu_enc->phys_encs[i]->hw_intf, + PINGPONG_NONE); + + /* mark INTF flush as pending */ + if (ctl->ops.update_pending_flush_intf) + ctl->ops.update_pending_flush_intf(ctl, + dpu_enc->phys_encs[i]->hw_intf->idx); } } - mutex_unlock(&dpu_enc->enc_lock); - return 0; -} + if (phys_enc->hw_pp && phys_enc->hw_pp->ops.setup_dither) + phys_enc->hw_pp->ops.setup_dither(phys_enc->hw_pp, NULL); -static int _dpu_encoder_debugfs_status_open(struct inode *inode, - struct file *file) -{ - return single_open(file, _dpu_encoder_status_show, inode->i_private); + if (dpu_enc->cwb_mask) + dpu_encoder_helper_phys_setup_cwb(phys_enc, false); + + /* reset the merge 3D HW block */ + if (phys_enc->hw_pp && phys_enc->hw_pp->merge_3d) { + phys_enc->hw_pp->merge_3d->ops.setup_3d_mode(phys_enc->hw_pp->merge_3d, + BLEND_3D_NONE); + if (ctl->ops.update_pending_flush_merge_3d) + ctl->ops.update_pending_flush_merge_3d(ctl, + phys_enc->hw_pp->merge_3d->idx); + } + + if (phys_enc->hw_cdm) { + if (phys_enc->hw_cdm->ops.bind_pingpong_blk && phys_enc->hw_pp) + phys_enc->hw_cdm->ops.bind_pingpong_blk(phys_enc->hw_cdm, + PINGPONG_NONE); + if (ctl->ops.update_pending_flush_cdm) + ctl->ops.update_pending_flush_cdm(ctl, + phys_enc->hw_cdm->idx); + } + + if (dpu_enc->dsc) { + dpu_encoder_unprep_dsc(dpu_enc); + dpu_enc->dsc = NULL; + } + + intf_cfg.stream_sel = 0; /* Don't care value for video mode */ + intf_cfg.mode_3d = dpu_encoder_helper_get_3d_blend_mode(phys_enc); + intf_cfg.dsc = dpu_encoder_helper_get_dsc(phys_enc); + intf_cfg.cwb = dpu_enc->cwb_mask; + + if (phys_enc->hw_intf) + intf_cfg.intf = phys_enc->hw_intf->idx; + if (phys_enc->hw_wb) + intf_cfg.wb = phys_enc->hw_wb->idx; + + if (phys_enc->hw_pp && phys_enc->hw_pp->merge_3d) + intf_cfg.merge_3d = phys_enc->hw_pp->merge_3d->idx; + + if (ctl->ops.reset_intf_cfg) + ctl->ops.reset_intf_cfg(ctl, &intf_cfg); + + ctl->ops.trigger_flush(ctl); + ctl->ops.trigger_start(ctl); + ctl->ops.clear_pending_flush(ctl); } -static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc) +void dpu_encoder_helper_phys_setup_cwb(struct dpu_encoder_phys *phys_enc, + bool enable) { - struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); - struct msm_drm_private *priv; + struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(phys_enc->parent); + struct dpu_hw_cwb *hw_cwb; + struct dpu_hw_ctl *hw_ctl; + struct dpu_hw_cwb_setup_cfg cwb_cfg; + struct dpu_kms *dpu_kms; - int i; + struct dpu_global_state *global_state; + struct dpu_hw_blk *rt_pp_list[MAX_CHANNELS_PER_ENC]; + int num_pp; - static const struct file_operations debugfs_status_fops = { - .open = _dpu_encoder_debugfs_status_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - }; + if (!phys_enc->hw_wb) + return; - char name[DPU_NAME_SIZE]; + hw_ctl = phys_enc->hw_ctl; - if (!drm_enc->dev || !drm_enc->dev->dev_private) { - DPU_ERROR("invalid encoder or kms\n"); - return -EINVAL; + if (!phys_enc->hw_ctl) { + DPU_DEBUG("[wb:%d] no ctl assigned\n", + phys_enc->hw_wb->idx - WB_0); + return; } - priv = drm_enc->dev->dev_private; - dpu_kms = to_dpu_kms(priv->kms); + dpu_kms = phys_enc->dpu_kms; + global_state = dpu_kms_get_existing_global_state(dpu_kms); + num_pp = dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state, + phys_enc->parent->crtc, + DPU_HW_BLK_PINGPONG, rt_pp_list, + ARRAY_SIZE(rt_pp_list)); - snprintf(name, DPU_NAME_SIZE, "encoder%u", drm_enc->base.id); + if (num_pp == 0 || num_pp > MAX_CHANNELS_PER_ENC) { + DPU_DEBUG_ENC(dpu_enc, "invalid num_pp %d\n", num_pp); + return; + } - /* create overall sub-directory for the encoder */ - dpu_enc->debugfs_root = debugfs_create_dir(name, - drm_enc->dev->primary->debugfs_root); - if (!dpu_enc->debugfs_root) - return -ENOMEM; + /* + * The CWB mux supports using LM or DSPP as tap points. For now, + * always use LM tap point + */ + cwb_cfg.input = INPUT_MODE_LM_OUT; - /* don't error check these */ - debugfs_create_file("status", 0600, - dpu_enc->debugfs_root, dpu_enc, &debugfs_status_fops); + for (int i = 0; i < MAX_CWB_PER_ENC; i++) { + hw_cwb = dpu_enc->hw_cwb[i]; + if (!hw_cwb) + continue; - for (i = 0; i < dpu_enc->num_phys_encs; i++) - if (dpu_enc->phys_encs[i] && - dpu_enc->phys_encs[i]->ops.late_register) - dpu_enc->phys_encs[i]->ops.late_register( - dpu_enc->phys_encs[i], - dpu_enc->debugfs_root); + if (enable) { + struct dpu_hw_pingpong *hw_pp = + to_dpu_hw_pingpong(rt_pp_list[i]); + cwb_cfg.pp_idx = hw_pp->idx; + } else { + cwb_cfg.pp_idx = PINGPONG_NONE; + } - return 0; + hw_cwb->ops.config_cwb(hw_cwb, &cwb_cfg); + + if (hw_ctl->ops.update_pending_flush_cwb) + hw_ctl->ops.update_pending_flush_cwb(hw_ctl, hw_cwb->idx); + } } -#else -static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc) + +/** + * dpu_encoder_helper_phys_setup_cdm - setup chroma down sampling block + * @phys_enc: Pointer to physical encoder + * @dpu_fmt: Pinter to the format description + * @output_type: HDMI/WB + */ +void dpu_encoder_helper_phys_setup_cdm(struct dpu_encoder_phys *phys_enc, + const struct msm_format *dpu_fmt, + u32 output_type) { - return 0; + struct dpu_hw_cdm *hw_cdm; + struct dpu_hw_cdm_cfg *cdm_cfg; + struct dpu_hw_pingpong *hw_pp; + int ret; + + if (!phys_enc) + return; + + cdm_cfg = &phys_enc->cdm_cfg; + hw_pp = phys_enc->hw_pp; + hw_cdm = phys_enc->hw_cdm; + + if (!hw_cdm) + return; + + if (!MSM_FORMAT_IS_YUV(dpu_fmt)) { + DPU_DEBUG("[enc:%d] cdm_disable fmt:%p4cc\n", DRMID(phys_enc->parent), + &dpu_fmt->pixel_format); + if (hw_cdm->ops.bind_pingpong_blk) + hw_cdm->ops.bind_pingpong_blk(hw_cdm, PINGPONG_NONE); + + return; + } + + memset(cdm_cfg, 0, sizeof(struct dpu_hw_cdm_cfg)); + + cdm_cfg->output_width = phys_enc->cached_mode.hdisplay; + cdm_cfg->output_height = phys_enc->cached_mode.vdisplay; + cdm_cfg->output_fmt = dpu_fmt; + cdm_cfg->output_type = output_type; + cdm_cfg->output_bit_depth = MSM_FORMAT_IS_DX(dpu_fmt) ? + CDM_CDWN_OUTPUT_10BIT : CDM_CDWN_OUTPUT_8BIT; + cdm_cfg->csc_cfg = &dpu_csc10_rgb2yuv_601l; + + /* enable 10 bit logic */ + switch (cdm_cfg->output_fmt->chroma_sample) { + case CHROMA_FULL: + cdm_cfg->h_cdwn_type = CDM_CDWN_DISABLE; + cdm_cfg->v_cdwn_type = CDM_CDWN_DISABLE; + break; + case CHROMA_H2V1: + cdm_cfg->h_cdwn_type = CDM_CDWN_COSITE; + cdm_cfg->v_cdwn_type = CDM_CDWN_DISABLE; + break; + case CHROMA_420: + cdm_cfg->h_cdwn_type = CDM_CDWN_COSITE; + cdm_cfg->v_cdwn_type = CDM_CDWN_OFFSITE; + break; + case CHROMA_H1V2: + default: + DPU_ERROR("[enc:%d] unsupported chroma sampling type\n", + DRMID(phys_enc->parent)); + cdm_cfg->h_cdwn_type = CDM_CDWN_DISABLE; + cdm_cfg->v_cdwn_type = CDM_CDWN_DISABLE; + break; + } + + DPU_DEBUG("[enc:%d] cdm_enable:%d,%d,%p4cc,%d,%d,%d,%d]\n", + DRMID(phys_enc->parent), cdm_cfg->output_width, + cdm_cfg->output_height, &cdm_cfg->output_fmt->pixel_format, + cdm_cfg->output_type, cdm_cfg->output_bit_depth, + cdm_cfg->h_cdwn_type, cdm_cfg->v_cdwn_type); + + if (hw_cdm->ops.enable) { + cdm_cfg->pp_id = hw_pp->idx; + ret = hw_cdm->ops.enable(hw_cdm, cdm_cfg); + if (ret < 0) { + DPU_ERROR("[enc:%d] failed to enable CDM; ret:%d\n", + DRMID(phys_enc->parent), ret); + return; + } + } } -#endif -static int dpu_encoder_late_register(struct drm_encoder *encoder) +#ifdef CONFIG_DEBUG_FS +static int _dpu_encoder_status_show(struct seq_file *s, void *data) { - return _dpu_encoder_init_debugfs(encoder); + struct drm_encoder *drm_enc = s->private; + struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); + int i; + + mutex_lock(&dpu_enc->enc_lock); + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; + + seq_printf(s, "intf:%d wb:%d vsync:%8d underrun:%8d frame_done_cnt:%d", + phys->hw_intf ? phys->hw_intf->idx - INTF_0 : -1, + phys->hw_wb ? phys->hw_wb->idx - WB_0 : -1, + atomic_read(&phys->vsync_cnt), + atomic_read(&phys->underrun_cnt), + atomic_read(&dpu_enc->frame_done_timeout_cnt)); + + seq_printf(s, "mode: %s\n", dpu_encoder_helper_get_intf_type(phys->intf_mode)); + } + mutex_unlock(&dpu_enc->enc_lock); + + return 0; } -static void dpu_encoder_early_unregister(struct drm_encoder *encoder) -{ - struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(encoder); +DEFINE_SHOW_ATTRIBUTE(_dpu_encoder_status); - debugfs_remove_recursive(dpu_enc->debugfs_root); +static void dpu_encoder_debugfs_init(struct drm_encoder *drm_enc, struct dentry *root) +{ + /* don't error check these */ + debugfs_create_file("status", 0600, + root, drm_enc, &_dpu_encoder_status_fops); } +#else +#define dpu_encoder_debugfs_init NULL +#endif static int dpu_encoder_virt_add_phys_encs( - u32 display_caps, + struct drm_device *dev, + struct msm_display_info *disp_info, struct dpu_encoder_virt *dpu_enc, struct dpu_enc_phys_init_params *params) { @@ -1983,26 +2538,36 @@ static int dpu_encoder_virt_add_phys_encs( return -EINVAL; } - if (display_caps & MSM_DISPLAY_CAP_VID_MODE) { - enc = dpu_encoder_phys_vid_init(params); - if (IS_ERR_OR_NULL(enc)) { - DPU_ERROR_ENC(dpu_enc, "failed to init vid enc: %ld\n", + if (disp_info->intf_type == INTF_WB) { + enc = dpu_encoder_phys_wb_init(dev, params); + + if (IS_ERR(enc)) { + DPU_ERROR_ENC(dpu_enc, "failed to init wb enc: %ld\n", PTR_ERR(enc)); - return enc == 0 ? -EINVAL : PTR_ERR(enc); + return PTR_ERR(enc); } dpu_enc->phys_encs[dpu_enc->num_phys_encs] = enc; ++dpu_enc->num_phys_encs; - } + } else if (disp_info->is_cmd_mode) { + enc = dpu_encoder_phys_cmd_init(dev, params); - if (display_caps & MSM_DISPLAY_CAP_CMD_MODE) { - enc = dpu_encoder_phys_cmd_init(params); - - if (IS_ERR_OR_NULL(enc)) { + if (IS_ERR(enc)) { DPU_ERROR_ENC(dpu_enc, "failed to init cmd enc: %ld\n", PTR_ERR(enc)); - return enc == 0 ? -EINVAL : PTR_ERR(enc); + return PTR_ERR(enc); + } + + dpu_enc->phys_encs[dpu_enc->num_phys_encs] = enc; + ++dpu_enc->num_phys_encs; + } else { + enc = dpu_encoder_phys_vid_init(dev, params); + + if (IS_ERR(enc)) { + DPU_ERROR_ENC(dpu_enc, "failed to init vid enc: %ld\n", + PTR_ERR(enc)); + return PTR_ERR(enc); } dpu_enc->phys_encs[dpu_enc->num_phys_encs] = enc; @@ -2017,11 +2582,37 @@ static int dpu_encoder_virt_add_phys_encs( return 0; } -static const struct dpu_encoder_virt_ops dpu_encoder_parent_ops = { - .handle_vblank_virt = dpu_encoder_vblank_callback, - .handle_underrun_virt = dpu_encoder_underrun_callback, - .handle_frame_done = dpu_encoder_frame_done_callback, -}; +/** + * dpu_encoder_get_clones - Calculate the possible_clones for DPU encoder + * @drm_enc: DRM encoder pointer + * Returns: possible_clones mask + */ +uint32_t dpu_encoder_get_clones(struct drm_encoder *drm_enc) +{ + struct drm_encoder *curr; + int type = drm_enc->encoder_type; + uint32_t clone_mask = drm_encoder_mask(drm_enc); + + /* + * Set writeback as possible clones of real-time DSI encoders and vice + * versa + * + * Writeback encoders can't be clones of each other and DSI + * encoders can't be clones of each other. + * + * TODO: Add DP encoders as valid possible clones for writeback encoders + * (and vice versa) once concurrent writeback has been validated for DP + */ + drm_for_each_encoder(curr, drm_enc->dev) { + if ((type == DRM_MODE_ENCODER_VIRTUAL && + curr->encoder_type == DRM_MODE_ENCODER_DSI) || + (type == DRM_MODE_ENCODER_DSI && + curr->encoder_type == DRM_MODE_ENCODER_VIRTUAL)) + clone_mask |= drm_encoder_mask(curr); + } + + return clone_mask; +} static int dpu_encoder_setup_display(struct dpu_encoder_virt *dpu_enc, struct dpu_kms *dpu_kms, @@ -2029,12 +2620,10 @@ static int dpu_encoder_setup_display(struct dpu_encoder_virt *dpu_enc, { int ret = 0; int i = 0; - enum dpu_intf_type intf_type; struct dpu_enc_phys_init_params phys_params; - if (!dpu_enc || !dpu_kms) { - DPU_ERROR("invalid arg(s), enc %d kms %d\n", - dpu_enc != 0, dpu_kms != 0); + if (!dpu_enc) { + DPU_ERROR("invalid arg(s), enc %d\n", dpu_enc != NULL); return -EINVAL; } @@ -2043,26 +2632,13 @@ static int dpu_encoder_setup_display(struct dpu_encoder_virt *dpu_enc, memset(&phys_params, 0, sizeof(phys_params)); phys_params.dpu_kms = dpu_kms; phys_params.parent = &dpu_enc->base; - phys_params.parent_ops = &dpu_encoder_parent_ops; phys_params.enc_spinlock = &dpu_enc->enc_spinlock; - DPU_DEBUG("\n"); - - switch (disp_info->intf_type) { - case DRM_MODE_ENCODER_DSI: - intf_type = INTF_DSI; - break; - default: - DPU_ERROR_ENC(dpu_enc, "unsupported display interface type\n"); - return -EINVAL; - } - WARN_ON(disp_info->num_of_h_tiles < 1); DPU_DEBUG("dsi_info->num_of_h_tiles %d\n", disp_info->num_of_h_tiles); - if ((disp_info->capabilities & MSM_DISPLAY_CAP_CMD_MODE) || - (disp_info->capabilities & MSM_DISPLAY_CAP_VID_MODE)) + if (disp_info->intf_type != INTF_WB) dpu_enc->idle_pc_supported = dpu_kms->catalog->caps->has_idle_pc; @@ -2087,32 +2663,34 @@ static int dpu_encoder_setup_display(struct dpu_encoder_virt *dpu_enc, DPU_DEBUG("h_tile_instance %d = %d, split_role %d\n", i, controller_id, phys_params.split_role); - phys_params.intf_idx = dpu_encoder_get_intf(dpu_kms->catalog, - intf_type, - controller_id); - if (phys_params.intf_idx == INTF_MAX) { - DPU_ERROR_ENC(dpu_enc, "could not get intf: type %d, id %d\n", - intf_type, controller_id); + phys_params.hw_intf = dpu_encoder_get_intf(dpu_kms->catalog, &dpu_kms->rm, + disp_info->intf_type, + controller_id); + + if (disp_info->intf_type == INTF_WB && controller_id < WB_MAX) + phys_params.hw_wb = dpu_rm_get_wb(&dpu_kms->rm, controller_id); + + if (!phys_params.hw_intf && !phys_params.hw_wb) { + DPU_ERROR_ENC(dpu_enc, "no intf or wb block assigned at idx: %d\n", i); ret = -EINVAL; + break; } - if (!ret) { - ret = dpu_encoder_virt_add_phys_encs(disp_info->capabilities, - dpu_enc, - &phys_params); - if (ret) - DPU_ERROR_ENC(dpu_enc, "failed to add phys encs\n"); + if (phys_params.hw_intf && phys_params.hw_wb) { + DPU_ERROR_ENC(dpu_enc, + "invalid phys both intf and wb block at idx: %d\n", i); + ret = -EINVAL; + break; } - } - - for (i = 0; i < dpu_enc->num_phys_encs; i++) { - struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - if (phys) { - atomic_set(&phys->vsync_cnt, 0); - atomic_set(&phys->underrun_cnt, 0); + ret = dpu_encoder_virt_add_phys_encs(dpu_kms->dev, disp_info, + dpu_enc, &phys_params); + if (ret) { + DPU_ERROR_ENC(dpu_enc, "failed to add phys encs\n"); + break; } } + mutex_unlock(&dpu_enc->enc_lock); return ret; @@ -2120,130 +2698,148 @@ static int dpu_encoder_setup_display(struct dpu_encoder_virt *dpu_enc, static void dpu_encoder_frame_done_timeout(struct timer_list *t) { - struct dpu_encoder_virt *dpu_enc = from_timer(dpu_enc, t, - frame_done_timer); + struct dpu_encoder_virt *dpu_enc = timer_container_of(dpu_enc, t, + frame_done_timer); struct drm_encoder *drm_enc = &dpu_enc->base; - struct msm_drm_private *priv; u32 event; - if (!drm_enc->dev || !drm_enc->dev->dev_private) { + if (!drm_enc->dev) { DPU_ERROR("invalid parameters\n"); return; } - priv = drm_enc->dev->dev_private; - if (!dpu_enc->frame_busy_mask[0] || !dpu_enc->crtc_frame_event_cb) { + if (!dpu_enc->frame_busy_mask[0] || !dpu_enc->crtc) { DRM_DEBUG_KMS("id:%u invalid timeout frame_busy_mask=%lu\n", DRMID(drm_enc), dpu_enc->frame_busy_mask[0]); return; - } else if (!atomic_xchg(&dpu_enc->frame_done_timeout, 0)) { + } else if (!atomic_xchg(&dpu_enc->frame_done_timeout_ms, 0)) { DRM_DEBUG_KMS("id:%u invalid timeout\n", DRMID(drm_enc)); return; } - DPU_ERROR_ENC(dpu_enc, "frame done timeout\n"); + DPU_ERROR_ENC_RATELIMITED(dpu_enc, "frame done timeout\n"); + + if (atomic_inc_return(&dpu_enc->frame_done_timeout_cnt) == 1) + msm_disp_snapshot_state(drm_enc->dev); event = DPU_ENCODER_FRAME_EVENT_ERROR; trace_dpu_enc_frame_done_timeout(DRMID(drm_enc), event); - dpu_enc->crtc_frame_event_cb(dpu_enc->crtc_frame_event_cb_data, event); + dpu_crtc_frame_event_cb(dpu_enc->crtc, event); } static const struct drm_encoder_helper_funcs dpu_encoder_helper_funcs = { - .mode_set = dpu_encoder_virt_mode_set, - .disable = dpu_encoder_virt_disable, - .enable = dpu_kms_encoder_enable, - .atomic_check = dpu_encoder_virt_atomic_check, - - /* This is called by dpu_kms_encoder_enable */ - .commit = dpu_encoder_virt_enable, + .atomic_mode_set = dpu_encoder_virt_atomic_mode_set, + .atomic_disable = dpu_encoder_virt_atomic_disable, + .atomic_enable = dpu_encoder_virt_atomic_enable, }; static const struct drm_encoder_funcs dpu_encoder_funcs = { - .destroy = dpu_encoder_destroy, - .late_register = dpu_encoder_late_register, - .early_unregister = dpu_encoder_early_unregister, + .debugfs_init = dpu_encoder_debugfs_init, }; -int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc, +/** + * dpu_encoder_init - initialize virtual encoder object + * @dev: Pointer to drm device structure + * @drm_enc_mode: corresponding DRM_MODE_ENCODER_* constant + * @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, struct msm_display_info *disp_info) { struct msm_drm_private *priv = dev->dev_private; struct dpu_kms *dpu_kms = to_dpu_kms(priv->kms); - struct drm_encoder *drm_enc = NULL; - struct dpu_encoder_virt *dpu_enc = NULL; - int ret = 0; + struct dpu_encoder_virt *dpu_enc; + int ret; - dpu_enc = to_dpu_encoder_virt(enc); + dpu_enc = drmm_encoder_alloc(dev, struct dpu_encoder_virt, base, + &dpu_encoder_funcs, drm_enc_mode, NULL); + if (IS_ERR(dpu_enc)) + return ERR_CAST(dpu_enc); - mutex_init(&dpu_enc->enc_lock); - ret = dpu_encoder_setup_display(dpu_enc, dpu_kms, disp_info); - if (ret) - goto fail; + drm_encoder_helper_add(&dpu_enc->base, &dpu_encoder_helper_funcs); spin_lock_init(&dpu_enc->enc_spinlock); + dpu_enc->enabled = false; + mutex_init(&dpu_enc->enc_lock); + mutex_init(&dpu_enc->rc_lock); - atomic_set(&dpu_enc->frame_done_timeout, 0); + ret = dpu_encoder_setup_display(dpu_enc, dpu_kms, disp_info); + if (ret) { + DPU_ERROR("failed to setup encoder\n"); + return ERR_PTR(-ENOMEM); + } + + atomic_set(&dpu_enc->frame_done_timeout_ms, 0); + atomic_set(&dpu_enc->frame_done_timeout_cnt, 0); timer_setup(&dpu_enc->frame_done_timer, dpu_encoder_frame_done_timeout, 0); - if (disp_info->intf_type == DRM_MODE_ENCODER_DSI) - timer_setup(&dpu_enc->vsync_event_timer, - dpu_encoder_vsync_event_handler, - 0); - - - mutex_init(&dpu_enc->rc_lock); - kthread_init_delayed_work(&dpu_enc->delayed_off_work, + INIT_DELAYED_WORK(&dpu_enc->delayed_off_work, dpu_encoder_off_work); dpu_enc->idle_timeout = IDLE_TIMEOUT; - kthread_init_work(&dpu_enc->vsync_event_work, - dpu_encoder_vsync_event_work_handler); - memcpy(&dpu_enc->disp_info, disp_info, sizeof(*disp_info)); DPU_DEBUG_ENC(dpu_enc, "created\n"); - return ret; - -fail: - DPU_ERROR("failed to create encoder\n"); - if (drm_enc) - dpu_encoder_destroy(drm_enc); - - return ret; - - + return &dpu_enc->base; } -struct drm_encoder *dpu_encoder_init(struct drm_device *dev, - int drm_enc_mode) +/** + * dpu_encoder_wait_for_commit_done() - Wait for encoder to flush pending state + * @drm_enc: encoder pointer + * + * Wait for hardware to have flushed the current pending changes to hardware at + * a vblank or CTL_START. Physical encoders will map this differently depending + * on the type: vid mode -> vsync_irq, cmd mode -> CTL_START. + * + * Return: 0 on success, -EWOULDBLOCK if already signaled, error otherwise + */ +int dpu_encoder_wait_for_commit_done(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc = NULL; - int rc = 0; - - dpu_enc = devm_kzalloc(dev->dev, sizeof(*dpu_enc), GFP_KERNEL); - if (!dpu_enc) - return ERR_PTR(ENOMEM); + int i, ret = 0; - rc = drm_encoder_init(dev, &dpu_enc->base, &dpu_encoder_funcs, - drm_enc_mode, NULL); - if (rc) { - devm_kfree(dev->dev, dpu_enc); - return ERR_PTR(rc); + if (!drm_enc) { + DPU_ERROR("invalid encoder\n"); + return -EINVAL; } + dpu_enc = to_dpu_encoder_virt(drm_enc); + DPU_DEBUG_ENC(dpu_enc, "\n"); - drm_encoder_helper_add(&dpu_enc->base, &dpu_encoder_helper_funcs); + for (i = 0; i < dpu_enc->num_phys_encs; i++) { + struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - dpu_enc->enabled = false; + if (phys->ops.wait_for_commit_done) { + DPU_ATRACE_BEGIN("wait_for_commit_done"); + ret = phys->ops.wait_for_commit_done(phys); + DPU_ATRACE_END("wait_for_commit_done"); + if (ret == -ETIMEDOUT && !dpu_enc->commit_done_timedout) { + dpu_enc->commit_done_timedout = true; + msm_disp_snapshot_state(drm_enc->dev); + } + if (ret) + return ret; + } + } - return &dpu_enc->base; + return ret; } -int dpu_encoder_wait_for_event(struct drm_encoder *drm_enc, - enum msm_event_wait event) +/** + * dpu_encoder_wait_for_tx_complete() - Wait for encoder to transfer pixels to panel + * @drm_enc: encoder pointer + * + * Wait for the hardware to transfer all the pixels to the panel. Physical + * encoders will map this differently depending on the type: vid mode -> vsync_irq, + * cmd mode -> pp_done. + * + * Return: 0 on success, -EWOULDBLOCK if already signaled, error otherwise + */ +int dpu_encoder_wait_for_tx_complete(struct drm_encoder *drm_enc) { - int (*fn_wait)(struct dpu_encoder_phys *phys_enc) = NULL; struct dpu_encoder_virt *dpu_enc = NULL; int i, ret = 0; @@ -2256,29 +2852,11 @@ int dpu_encoder_wait_for_event(struct drm_encoder *drm_enc, for (i = 0; i < dpu_enc->num_phys_encs; i++) { struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - if (!phys) - continue; - switch (event) { - case MSM_ENC_COMMIT_DONE: - fn_wait = phys->ops.wait_for_commit_done; - break; - case MSM_ENC_TX_COMPLETE: - fn_wait = phys->ops.wait_for_tx_complete; - break; - case MSM_ENC_VBLANK: - fn_wait = phys->ops.wait_for_vblank; - break; - default: - DPU_ERROR_ENC(dpu_enc, "unknown wait event %d\n", - event); - return -EINVAL; - }; - - if (fn_wait) { - DPU_ATRACE_BEGIN("wait_for_completion_event"); - ret = fn_wait(phys); - DPU_ATRACE_END("wait_for_completion_event"); + if (phys->ops.wait_for_tx_complete) { + DPU_ATRACE_BEGIN("wait_for_tx_complete"); + ret = phys->ops.wait_for_tx_complete(phys); + DPU_ATRACE_END("wait_for_tx_complete"); if (ret) return ret; } @@ -2287,10 +2865,13 @@ int dpu_encoder_wait_for_event(struct drm_encoder *drm_enc, return ret; } +/** + * 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) { struct dpu_encoder_virt *dpu_enc = NULL; - int i; if (!encoder) { DPU_ERROR("invalid encoder\n"); @@ -2301,12 +2882,55 @@ enum dpu_intf_mode dpu_encoder_get_intf_mode(struct drm_encoder *encoder) if (dpu_enc->cur_master) return dpu_enc->cur_master->intf_mode; - for (i = 0; i < dpu_enc->num_phys_encs; i++) { - struct dpu_encoder_phys *phys = dpu_enc->phys_encs[i]; - - if (phys) - return phys->intf_mode; - } + if (dpu_enc->num_phys_encs) + return dpu_enc->phys_encs[0]->intf_mode; return INTF_MODE_NONE; } + +/** + * dpu_encoder_helper_get_cwb_mask - get CWB blocks mask for the DPU encoder + * @phys_enc: Pointer to physical encoder structure + */ +unsigned int dpu_encoder_helper_get_cwb_mask(struct dpu_encoder_phys *phys_enc) +{ + struct drm_encoder *encoder = phys_enc->parent; + struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(encoder); + + return dpu_enc->cwb_mask; +} + +/** + * dpu_encoder_helper_get_dsc - get DSC blocks mask for the DPU encoder + * This helper function is used by physical encoder to get DSC blocks mask + * used for this encoder. + * @phys_enc: Pointer to physical encoder structure + */ +unsigned int dpu_encoder_helper_get_dsc(struct dpu_encoder_phys *phys_enc) +{ + struct drm_encoder *encoder = phys_enc->parent; + struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(encoder); + + return dpu_enc->dsc_mask; +} + +void dpu_encoder_phys_init(struct dpu_encoder_phys *phys_enc, + struct dpu_enc_phys_init_params *p) +{ + phys_enc->hw_mdptop = p->dpu_kms->hw_mdp; + phys_enc->hw_intf = p->hw_intf; + phys_enc->hw_wb = p->hw_wb; + phys_enc->parent = p->parent; + phys_enc->dpu_kms = p->dpu_kms; + phys_enc->split_role = p->split_role; + phys_enc->enc_spinlock = p->enc_spinlock; + phys_enc->enable_state = DPU_ENC_DISABLED; + + atomic_set(&phys_enc->pending_kickoff_cnt, 0); + atomic_set(&phys_enc->pending_ctlstart_cnt, 0); + + atomic_set(&phys_enc->vsync_cnt, 0); + atomic_set(&phys_enc->underrun_cnt, 0); + + init_waitqueue_head(&phys_enc->pending_kickoff_wq); +} |