From patchwork Tue Aug 27 21:33:39 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Clark X-Patchwork-Id: 11117581 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 08D561399 for ; Tue, 27 Aug 2019 21:57:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D35F22070B for ; Tue, 27 Aug 2019 21:57:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="T/mkd4pN" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726243AbfH0V5R (ORCPT ); Tue, 27 Aug 2019 17:57:17 -0400 Received: from mail-pg1-f196.google.com ([209.85.215.196]:35060 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725835AbfH0V5R (ORCPT ); Tue, 27 Aug 2019 17:57:17 -0400 Received: by mail-pg1-f196.google.com with SMTP id n4so217133pgv.2; Tue, 27 Aug 2019 14:57:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Lu+dgyU+uL4vnyCGblRQjsuwttEqbZ012MXEJ+zZ9eE=; b=T/mkd4pNvs/FTOOeVG3FIz4/9Z0VFW3UoYOEakFFfnThh4V6fLrI9MU0oSslZBYp1G zSsGlT3pJYSwUPRsc7bIZXB2/1kTa/pM94MoVaPBII4Pe/k8B/9Yvb3qWXT4m2hq3O78 S9Z9ZPmv926mRPOSt4ei4yLOsce1+1HNbGhcYjKxpy3eeziPOa+P7ktgTedhROZkaebA wkeqBu4fZ7HzJuoyijUzqCkB77KsrsGgJEW3rx/DQ55F6GP5yOz9DeI1/w7+8SSDlRti aYwRrRSyIXcbsU9K63hstQ2hc1RncyyGks5tHhlz8govQO9+LvCcsoN/hddsSXvCwwI9 zO0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Lu+dgyU+uL4vnyCGblRQjsuwttEqbZ012MXEJ+zZ9eE=; b=D5rSE/IawBbEwpiSvi03iHHbjqA4cprwMFnk0ljhsLgmOOpWgbg0AZPnD1PsYdbkpP igsLgNZIXYGY+bAhhS+61zrqMelHeWjPBI4Z45G3xG3bsSFRMC23BtaYm7dlcmp6DrmY nlAcsJbhoF4DzsYuPvvh0nl9uESkXWfZ50pRae8IcvCvD+SQnUgje+GClPmt1tYnarxr 3Us+pgASFn/Hr3/RwZDFcrWHQZyqjvOg1XdFeUl9zQlR9rk9ocd1ewgudoMzKL2qJl6l +VO/fSQUZc/gLFkMyuRU0ey4xBhfw9uoX60tr/wU51MiU46ds0yfPrw5SDBmNdgtTe0V eqHw== X-Gm-Message-State: APjAAAWoFjSVgzzEdHyjKU3zLk9bAK8FAOIRGK/aaHKgMVPWv/EmIKSs BE6pmHfa9ztQ2/fZV1GS0TY= X-Google-Smtp-Source: APXvYqyzhtNn+QaLqNhkXToZp2ZkAmKjVCCHW0VJX+c/ublFoYb7mnS2kbxN1ZrZwzuTi2wblDHvtA== X-Received: by 2002:a17:90a:3b04:: with SMTP id d4mr944359pjc.80.1566943036326; Tue, 27 Aug 2019 14:57:16 -0700 (PDT) Received: from localhost ([100.118.89.196]) by smtp.gmail.com with ESMTPSA id u16sm300869pgm.83.2019.08.27.14.57.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Aug 2019 14:57:15 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: Rob Clark , Rob Clark , Sean Paul , David Airlie , Daniel Vetter , Jeykumar Sankaran , Bruce Wang , Jordan Crouse , Sravanthi Kollukuduru , Abhinav Kumar , Allison Randal , Alexios Zavras , Thomas Gleixner , Greg Kroah-Hartman , linux-arm-msm@vger.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU), freedreno@lists.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO GPU), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 9/9] drm/msm/dpu: async commit support Date: Tue, 27 Aug 2019 14:33:39 -0700 Message-Id: <20190827213421.21917-10-robdclark@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190827213421.21917-1-robdclark@gmail.com> References: <20190827213421.21917-1-robdclark@gmail.com> MIME-Version: 1.0 Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Rob Clark In addition, moving to kms->flush_commit() lets us drop the only user of kms->commit(). Signed-off-by: Rob Clark --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 13 ------ drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 7 ++-- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 5 +++ drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 46 +++++++++++---------- drivers/gpu/drm/msm/msm_atomic.c | 5 +-- drivers/gpu/drm/msm/msm_kms.h | 3 -- 6 files changed, 34 insertions(+), 45 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 31debd31ab8c..f38a7d27a1c0 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -606,7 +606,6 @@ void dpu_crtc_commit_kickoff(struct drm_crtc *crtc) struct dpu_crtc *dpu_crtc = to_dpu_crtc(crtc); struct dpu_kms *dpu_kms = _dpu_crtc_get_kms(crtc); struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc->state); - int ret; /* * If no mixers has been allocated in dpu_crtc_atomic_check(), @@ -626,17 +625,6 @@ void dpu_crtc_commit_kickoff(struct drm_crtc *crtc) crtc->state->encoder_mask) dpu_encoder_prepare_for_kickoff(encoder); - /* wait for previous frame_event_done completion */ - DPU_ATRACE_BEGIN("wait_for_frame_done_event"); - ret = _dpu_crtc_wait_for_frame_done(crtc); - DPU_ATRACE_END("wait_for_frame_done_event"); - if (ret) { - DPU_ERROR("crtc%d wait for frame done failed;frame_pending%d\n", - crtc->base.id, - atomic_read(&dpu_crtc->frame_pending)); - goto end; - } - if (atomic_inc_return(&dpu_crtc->frame_pending) == 1) { /* acquire bandwidth and other resources */ DPU_DEBUG("crtc%d first commit\n", crtc->base.id); @@ -650,7 +638,6 @@ void dpu_crtc_commit_kickoff(struct drm_crtc *crtc) drm_for_each_encoder_mask(encoder, crtc->dev, crtc->state->encoder_mask) dpu_encoder_kickoff(encoder); -end: reinit_completion(&dpu_crtc->frame_done_comp); DPU_ATRACE_END("crtc_commit"); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index ac2d534bf59e..3a69b93d8fb6 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -1678,8 +1678,7 @@ 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) +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; @@ -1766,7 +1765,7 @@ static void dpu_encoder_vsync_event_work_handler(struct kthread_work *work) return; } - if (_dpu_encoder_wakeup_time(&dpu_enc->base, &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); @@ -1840,7 +1839,7 @@ void dpu_encoder_kickoff(struct drm_encoder *drm_enc) } if (dpu_enc->disp_info.intf_type == DRM_MODE_ENCODER_DSI && - !_dpu_encoder_wakeup_time(drm_enc, &wakeup_time)) { + !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, diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h index 8465b37adf3b..b4913465e602 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h @@ -85,6 +85,11 @@ void dpu_encoder_trigger_kickoff_pending(struct drm_encoder *encoder); */ void dpu_encoder_kickoff(struct drm_encoder *encoder); +/** + * dpu_encoder_wakeup_time - get the time of the next vsync + */ +int dpu_encoder_vsync_time(struct drm_encoder *drm_enc, ktime_t *wakeup_time); + /** * dpu_encoder_wait_for_event - Waits for encoder events * @encoder: encoder pointer diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index d54741f3ad9f..af41af1731c2 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -260,6 +260,20 @@ static void dpu_kms_disable_commit(struct msm_kms *kms) pm_runtime_put_sync(&dpu_kms->pdev->dev); } +static ktime_t dpu_kms_vsync_time(struct msm_kms *kms, struct drm_crtc *crtc) +{ + struct drm_encoder *encoder; + + drm_for_each_encoder_mask(encoder, crtc->dev, crtc->state->encoder_mask) { + ktime_t vsync_time; + + if (dpu_encoder_vsync_time(encoder, &vsync_time) == 0) + return vsync_time; + } + + return ktime_get(); +} + static void dpu_kms_prepare_commit(struct msm_kms *kms, struct drm_atomic_state *state) { @@ -291,7 +305,16 @@ static void dpu_kms_prepare_commit(struct msm_kms *kms, static void dpu_kms_flush_commit(struct msm_kms *kms, unsigned crtc_mask) { - /* TODO */ + struct dpu_kms *dpu_kms = to_dpu_kms(kms); + struct drm_crtc *crtc; + + for_each_crtc_mask(dpu_kms->dev, crtc, crtc_mask) { + if (!crtc->state->active) + continue; + + trace_dpu_kms_commit(DRMID(crtc)); + dpu_crtc_commit_kickoff(crtc); + } } /* @@ -314,25 +337,6 @@ void dpu_kms_encoder_enable(struct drm_encoder *encoder) continue; trace_dpu_kms_enc_enable(DRMID(crtc)); - dpu_crtc_commit_kickoff(crtc); - } -} - -static void dpu_kms_commit(struct msm_kms *kms, struct drm_atomic_state *state) -{ - struct drm_crtc *crtc; - struct drm_crtc_state *crtc_state; - int i; - - for_each_new_crtc_in_state(state, crtc, crtc_state, i) { - /* If modeset is required, kickoff is run in encoder_enable */ - if (drm_atomic_crtc_needs_modeset(crtc_state)) - continue; - - if (crtc->state->active) { - trace_dpu_kms_commit(DRMID(crtc)); - dpu_crtc_commit_kickoff(crtc); - } } } @@ -693,9 +697,9 @@ static const struct msm_kms_funcs kms_funcs = { .irq = dpu_irq, .enable_commit = dpu_kms_enable_commit, .disable_commit = dpu_kms_disable_commit, + .vsync_time = dpu_kms_vsync_time, .prepare_commit = dpu_kms_prepare_commit, .flush_commit = dpu_kms_flush_commit, - .commit = dpu_kms_commit, .wait_flush = dpu_kms_wait_flush, .complete_commit = dpu_kms_complete_commit, .enable_vblank = dpu_kms_enable_vblank, diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index de767a19e193..de167f0ddca5 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -212,10 +212,7 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state) /* * Flush hardware updates: */ - if (kms->funcs->commit) { - DRM_DEBUG_ATOMIC("triggering commit\n"); - kms->funcs->commit(kms, state); - } + DRM_DEBUG_ATOMIC("triggering commit\n"); kms->funcs->flush_commit(kms, crtc_mask); /* diff --git a/drivers/gpu/drm/msm/msm_kms.h b/drivers/gpu/drm/msm/msm_kms.h index 9a0236eb6487..c8cdf5763dd6 100644 --- a/drivers/gpu/drm/msm/msm_kms.h +++ b/drivers/gpu/drm/msm/msm_kms.h @@ -80,9 +80,6 @@ struct msm_kms_funcs { */ void (*flush_commit)(struct msm_kms *kms, unsigned crtc_mask); - /* TODO remove ->commit(), use ->flush_commit() instead: */ - void (*commit)(struct msm_kms *kms, struct drm_atomic_state *state); - /** * Wait for any in-progress flush to complete on the specified * crtcs. This should not block if there is no in-progress