diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:03 +0000 |
commit | 01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch) | |
tree | b406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | |
parent | Adding upstream version 6.7.12. (diff) | |
download | linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip |
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c')
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 180 |
1 files changed, 70 insertions, 110 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index b26d23b2ab..aca689314c 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -16,6 +16,7 @@ #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" @@ -26,6 +27,7 @@ #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" @@ -142,10 +144,6 @@ enum dpu_enc_rc_states { * to track crtc in the disable() hook which is called * _after_ encoder_mask is cleared. * @connector: If a mode is set, cached pointer to the active connector - * @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 * @enc_lock: Lock around physical encoder * create/destroy/enable/disable * @frame_busy_mask: Bitmask tracking which phys_enc we are still @@ -154,6 +152,8 @@ enum dpu_enc_rc_states { * @crtc_frame_event_cb: callback handler for frame event * @crtc_frame_event_cb_data: callback handler private data * @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 * @disp_info: local copy of msm_display_info struct * @idle_pc_supported: indicate if idle power collaps is supported @@ -187,13 +187,13 @@ struct dpu_encoder_virt { 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_ms; + atomic_t frame_done_timeout_cnt; struct timer_list frame_done_timer; struct msm_display_info disp_info; @@ -449,41 +449,6 @@ int dpu_encoder_get_linecount(struct drm_encoder *drm_enc) return linecount; } -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->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); -} - void dpu_encoder_helper_split_config( struct dpu_encoder_phys *phys_enc, enum dpu_intf interface) @@ -624,6 +589,7 @@ static int dpu_encoder_virt_atomic_check( struct drm_display_mode *adj_mode; struct msm_display_topology topology; struct dpu_global_state *global_state; + struct drm_framebuffer *fb; struct drm_dsc_config *dsc; int i = 0; int ret = 0; @@ -665,6 +631,22 @@ static int dpu_encoder_virt_atomic_check( topology = dpu_encoder_get_topology(dpu_enc, dpu_kms, adj_mode, crtc_state, dsc); /* + * Use CDM only for writeback 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 (dpu_enc->disp_info.intf_type == INTF_WB && conn_state->writeback_job) { + fb = conn_state->writeback_job->fb; + + if (fb && DPU_FORMAT_IS_YUV(to_dpu_format(msm_framebuffer_format(fb)))) + topology.needs_cdm = true; + if (topology.needs_cdm && !dpu_enc->cur_master->hw_cdm) + crtc_state->mode_changed = true; + else if (!topology.needs_cdm && dpu_enc->cur_master->hw_cdm) + crtc_state->mode_changed = true; + } + + /* * Release and Allocate resources on every modeset * Dont allocate when active is false. */ @@ -1104,6 +1086,15 @@ static void dpu_encoder_virt_atomic_mode_set(struct drm_encoder *drm_enc, dpu_enc->dsc_mask = dsc_mask; + if (dpu_enc->disp_info.intf_type == INTF_WB && conn_state->writeback_job) { + struct dpu_hw_blk *hw_cdm = NULL; + + dpu_rm_get_assigned_resources(&dpu_kms->rm, global_state, + drm_enc->base.id, DPU_HW_BLK_CDM, + &hw_cdm, 1); + dpu_enc->cur_master->hw_cdm = hw_cdm ? to_dpu_hw_cdm(hw_cdm) : NULL; + } + cstate = to_dpu_crtc_state(crtc_state); for (i = 0; i < num_lm; i++) { @@ -1214,6 +1205,8 @@ static void dpu_encoder_virt_atomic_enable(struct drm_encoder *drm_enc, dpu_enc->dsc = dpu_encoder_get_dsc_config(drm_enc); + atomic_set(&dpu_enc->frame_done_timeout_cnt, 0); + if (disp_info->intf_type == INTF_DP) dpu_enc->wide_bus_en = msm_dp_wide_bus_available(priv->dp[index]); else if (disp_info->intf_type == INTF_DSI) @@ -2092,6 +2085,15 @@ void dpu_encoder_helper_phys_cleanup(struct dpu_encoder_phys *phys_enc) 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 (phys_enc->hw_ctl->ops.update_pending_flush_cdm) + phys_enc->hw_ctl->ops.update_pending_flush_cdm(phys_enc->hw_ctl, + phys_enc->hw_cdm->idx); + } + if (dpu_enc->dsc) { dpu_encoder_unprep_dsc(dpu_enc); dpu_enc->dsc = NULL; @@ -2120,18 +2122,20 @@ void dpu_encoder_helper_phys_cleanup(struct dpu_encoder_phys *phys_enc) #ifdef CONFIG_DEBUG_FS static int _dpu_encoder_status_show(struct seq_file *s, void *data) { - struct dpu_encoder_virt *dpu_enc = s->private; + 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 ", + 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(&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)); } @@ -2142,49 +2146,18 @@ static int _dpu_encoder_status_show(struct seq_file *s, void *data) DEFINE_SHOW_ATTRIBUTE(_dpu_encoder_status); -static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc) +static void dpu_encoder_debugfs_init(struct drm_encoder *drm_enc, struct dentry *root) { - struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); - - char name[12]; - - if (!drm_enc->dev) { - DPU_ERROR("invalid encoder or kms\n"); - return -EINVAL; - } - - snprintf(name, sizeof(name), "encoder%u", drm_enc->base.id); - - /* create overall sub-directory for the encoder */ - dpu_enc->debugfs_root = debugfs_create_dir(name, - drm_enc->dev->primary->debugfs_root); - /* don't error check these */ debugfs_create_file("status", 0600, - dpu_enc->debugfs_root, dpu_enc, &_dpu_encoder_status_fops); - - return 0; + root, drm_enc, &_dpu_encoder_status_fops); } #else -static int _dpu_encoder_init_debugfs(struct drm_encoder *drm_enc) -{ - return 0; -} +#define dpu_encoder_debugfs_init NULL #endif -static int dpu_encoder_late_register(struct drm_encoder *encoder) -{ - return _dpu_encoder_init_debugfs(encoder); -} - -static void dpu_encoder_early_unregister(struct drm_encoder *encoder) -{ - struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(encoder); - - debugfs_remove_recursive(dpu_enc->debugfs_root); -} - static int dpu_encoder_virt_add_phys_encs( + struct drm_device *dev, struct msm_display_info *disp_info, struct dpu_encoder_virt *dpu_enc, struct dpu_enc_phys_init_params *params) @@ -2206,7 +2179,7 @@ static int dpu_encoder_virt_add_phys_encs( if (disp_info->intf_type == INTF_WB) { - enc = dpu_encoder_phys_wb_init(params); + enc = dpu_encoder_phys_wb_init(dev, params); if (IS_ERR(enc)) { DPU_ERROR_ENC(dpu_enc, "failed to init wb enc: %ld\n", @@ -2217,7 +2190,7 @@ static int dpu_encoder_virt_add_phys_encs( 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(params); + enc = dpu_encoder_phys_cmd_init(dev, params); if (IS_ERR(enc)) { DPU_ERROR_ENC(dpu_enc, "failed to init cmd enc: %ld\n", @@ -2228,7 +2201,7 @@ static int dpu_encoder_virt_add_phys_encs( dpu_enc->phys_encs[dpu_enc->num_phys_encs] = enc; ++dpu_enc->num_phys_encs; } else { - enc = dpu_encoder_phys_vid_init(params); + enc = dpu_encoder_phys_vid_init(dev, params); if (IS_ERR(enc)) { DPU_ERROR_ENC(dpu_enc, "failed to init vid enc: %ld\n", @@ -2317,7 +2290,7 @@ static int dpu_encoder_setup_display(struct dpu_encoder_virt *dpu_enc, break; } - ret = dpu_encoder_virt_add_phys_encs(disp_info, + 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"); @@ -2353,6 +2326,9 @@ static void dpu_encoder_frame_done_timeout(struct timer_list *t) 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); @@ -2366,9 +2342,7 @@ static const struct drm_encoder_helper_funcs dpu_encoder_helper_funcs = { }; 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, }; struct drm_encoder *dpu_encoder_init(struct drm_device *dev, @@ -2377,20 +2351,13 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev, { 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; - - dpu_enc = devm_kzalloc(dev->dev, sizeof(*dpu_enc), GFP_KERNEL); - if (!dpu_enc) - return ERR_PTR(-ENOMEM); + struct dpu_encoder_virt *dpu_enc; + int ret; - ret = drm_encoder_init(dev, &dpu_enc->base, &dpu_encoder_funcs, - drm_enc_mode, NULL); - if (ret) { - devm_kfree(dev->dev, dpu_enc); - return ERR_PTR(ret); - } + 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); drm_encoder_helper_add(&dpu_enc->base, &dpu_encoder_helper_funcs); @@ -2400,10 +2367,13 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev, mutex_init(&dpu_enc->rc_lock); ret = dpu_encoder_setup_display(dpu_enc, dpu_kms, disp_info); - if (ret) - goto fail; + 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); @@ -2416,13 +2386,6 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev, DPU_DEBUG_ENC(dpu_enc, "created\n"); return &dpu_enc->base; - -fail: - DPU_ERROR("failed to create encoder\n"); - if (drm_enc) - dpu_encoder_destroy(drm_enc); - - return ERR_PTR(ret); } int dpu_encoder_wait_for_event(struct drm_encoder *drm_enc, @@ -2449,9 +2412,6 @@ int dpu_encoder_wait_for_event(struct drm_encoder *drm_enc, 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); |