From fdcb8fe0c9f0dfa8377f6b6a7e5b16aa0bec72f2 Mon Sep 17 00:00:00 2001 From: Jessica Zhang Date: Wed, 2 Aug 2023 10:01:13 -0700 Subject: [PATCH] drm/msm/dpu: Drop encoder vsync_event Drop vsync_event and vsync_event_work handlers as they are unnecessary. In addition drop the dpu_enc_ktime_template event class as it will be unused after the vsync_event handlers are dropped. Signed-off-by: Jessica Zhang Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/550983/ Link: https://lore.kernel.org/r/20230802-encoder-cleanup-v2-1-5bfdec0ce765@quicinc.com Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 65 +---------------------------- drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h | 23 ---------- 2 files changed, 1 insertion(+), 87 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index f0a2a1dc..d34e684 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -152,7 +152,6 @@ enum dpu_enc_rc_states { * @crtc_frame_event_cb_data: callback handler private data * @frame_done_timeout_ms: frame done timeout in ms * @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 @@ -160,7 +159,6 @@ 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 * @idle_timeout: idle timeout duration in milliseconds * @wide_bus_en: wide bus is enabled on this interface @@ -194,7 +192,6 @@ struct dpu_encoder_virt { atomic_t frame_done_timeout_ms; struct timer_list frame_done_timer; - struct timer_list vsync_event_timer; struct msm_display_info disp_info; @@ -202,7 +199,6 @@ struct dpu_encoder_virt { struct mutex rc_lock; enum dpu_enc_rc_states rc_state; struct delayed_work delayed_off_work; - struct kthread_work vsync_event_work; struct msm_display_topology topology; u32 idle_timeout; @@ -1770,49 +1766,6 @@ int dpu_encoder_vsync_time(struct drm_encoder *drm_enc, ktime_t *wakeup_time) return 0; } -static void dpu_encoder_vsync_event_handler(struct timer_list *t) -{ - 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; - - if (!drm_enc->dev || !drm_enc->crtc) { - DPU_ERROR("invalid parameters\n"); - return; - } - - priv = drm_enc->dev->dev_private; - - 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; - } - - del_timer(&dpu_enc->vsync_event_timer); -} - -static void dpu_encoder_vsync_event_work_handler(struct kthread_work *work) -{ - struct dpu_encoder_virt *dpu_enc = container_of(work, - struct dpu_encoder_virt, vsync_event_work); - ktime_t wakeup_time; - - if (dpu_encoder_vsync_time(&dpu_enc->base, &wakeup_time)) - return; - - 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))); -} - static u32 dpu_encoder_dsc_initial_line_calc(struct drm_dsc_config *dsc, u32 enc_ip_width) @@ -1972,7 +1925,6 @@ void dpu_encoder_kickoff(struct drm_encoder *drm_enc) { struct dpu_encoder_virt *dpu_enc; struct dpu_encoder_phys *phys; - ktime_t wakeup_time; unsigned long timeout_ms; unsigned int i; @@ -1998,14 +1950,6 @@ void dpu_encoder_kickoff(struct drm_encoder *drm_enc) phys->ops.handle_post_kickoff(phys); } - if (dpu_enc->disp_info.intf_type == INTF_DSI && - !dpu_encoder_vsync_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"); } @@ -2439,11 +2383,7 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev, timer_setup(&dpu_enc->frame_done_timer, dpu_encoder_frame_done_timeout, 0); - if (disp_info->intf_type == INTF_DSI) - timer_setup(&dpu_enc->vsync_event_timer, - dpu_encoder_vsync_event_handler, - 0); - else if (disp_info->intf_type == INTF_DP) + if (disp_info->intf_type == INTF_DP) dpu_enc->wide_bus_en = msm_dp_wide_bus_available( priv->dp[disp_info->h_tile_instance[0]]); @@ -2451,9 +2391,6 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev, 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"); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h index 1a92d21..c74b9be 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h @@ -453,29 +453,6 @@ TRACE_EVENT(dpu_enc_trigger_flush, __entry->extra_flush_bits, __entry->pending_flush_ret) ); -DECLARE_EVENT_CLASS(dpu_enc_ktime_template, - TP_PROTO(uint32_t drm_id, ktime_t time), - TP_ARGS(drm_id, time), - TP_STRUCT__entry( - __field( uint32_t, drm_id ) - __field( ktime_t, time ) - ), - TP_fast_assign( - __entry->drm_id = drm_id; - __entry->time = time; - ), - TP_printk("id=%u, time=%lld", __entry->drm_id, - ktime_to_ms(__entry->time)) -); -DEFINE_EVENT(dpu_enc_ktime_template, dpu_enc_vsync_event_work, - TP_PROTO(uint32_t drm_id, ktime_t time), - TP_ARGS(drm_id, time) -); -DEFINE_EVENT(dpu_enc_ktime_template, dpu_enc_early_kickoff, - TP_PROTO(uint32_t drm_id, ktime_t time), - TP_ARGS(drm_id, time) -); - DECLARE_EVENT_CLASS(dpu_id_event_template, TP_PROTO(uint32_t drm_id, u32 event), TP_ARGS(drm_id, event), -- 2.7.4