From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6480C4338F for ; Wed, 18 Aug 2021 03:35:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 83C07610A6 for ; Wed, 18 Aug 2021 03:35:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236235AbhHRDfz (ORCPT ); Tue, 17 Aug 2021 23:35:55 -0400 Received: from so254-9.mailgun.net ([198.61.254.9]:22936 "EHLO so254-9.mailgun.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236498AbhHRDfx (ORCPT ); Tue, 17 Aug 2021 23:35:53 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1629257719; h=Message-ID: References: In-Reply-To: Subject: Cc: To: From: Date: Content-Transfer-Encoding: Content-Type: MIME-Version: Sender; bh=qCrmXzudiSN8HgX6IsYkQa32BFt0lRqrA5+HjNFleLg=; b=bATcwkGZFVprX5NBxcJXGb3xm0Bn/jbQ/B+msp+Ke4RKoCCP+bh2ReVipwJBXl2AkB8L7epQ juaGloFi0CTUC6M/DCp2LuQ8VXWZUXCQj4JY8XNAOqC5ZFsYV8nE7+G0xaVr714Yiugejw/O /wCvkvigEnaNCsymjtStVRXypCM= X-Mailgun-Sending-Ip: 198.61.254.9 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n05.prod.us-east-1.postgun.com with SMTP id 611c7ff1b3873958f55c2e16 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Wed, 18 Aug 2021 03:35:13 GMT Sender: abhinavk=codeaurora.org@mg.codeaurora.org Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 2A367C43460; Wed, 18 Aug 2021 03:35:13 +0000 (UTC) Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: abhinavk) by smtp.codeaurora.org (Postfix) with ESMTPSA id 34BF7C4338F; Wed, 18 Aug 2021 03:35:09 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Tue, 17 Aug 2021 20:35:09 -0700 From: abhinavk@codeaurora.org To: Dmitry Baryshkov Cc: Bjorn Andersson , Rob Clark , Sean Paul , Jonathan Marek , Stephen Boyd , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , Daniel Vetter , freedreno@lists.freedesktop.org Subject: Re: [Freedreno] [PATCH v2 6/7] drm/msm/dpu: get rid of dpu_encoder_helper_(un)register_irq In-Reply-To: <20210617222029.463045-7-dmitry.baryshkov@linaro.org> References: <20210617222029.463045-1-dmitry.baryshkov@linaro.org> <20210617222029.463045-7-dmitry.baryshkov@linaro.org> Message-ID: <445e180f28dd4af427adfdcafe53db48@codeaurora.org> X-Sender: abhinavk@codeaurora.org User-Agent: Roundcube Webmail/1.3.9 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On 2021-06-17 15:20, Dmitry Baryshkov wrote: > Get rid of dpu_encoder_helper_register_irq/unregister_irq helpers, call > dpu_core_register/unregister_callback directly, without surrounding > them > with helpers. > > Signed-off-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar > --- > drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 64 ------------------- > .../gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h | 18 ------ > .../drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c | 39 +++++++---- > .../drm/msm/disp/dpu1/dpu_encoder_phys_vid.c | 21 ++++-- > .../gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c | 4 ++ > drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h | 29 +++------ > 6 files changed, 56 insertions(+), 119 deletions(-) > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > index d3557b0f4db9..3d8864df8605 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c > @@ -333,70 +333,6 @@ 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 (intr_idx >= INTR_IDX_MAX) { > - DPU_ERROR("invalid params\n"); > - return -EINVAL; > - } > - irq = &phys_enc->irq[intr_idx]; > - > - if (irq->irq_idx < 0) { > - DPU_ERROR_PHYS(phys_enc, > - "invalid IRQ index:%d\n", irq->irq_idx); > - return -EINVAL; > - } > - > - ret = dpu_core_irq_register_callback(phys_enc->dpu_kms, irq->irq_idx, > - irq->func, phys_enc); > - if (ret) { > - DPU_ERROR_PHYS(phys_enc, > - "failed to register IRQ callback for %s\n", > - irq->name); > - irq->irq_idx = -EINVAL; > - return ret; > - } > - > - trace_dpu_enc_irq_register_success(DRMID(phys_enc->parent), intr_idx, > - irq->irq_idx); > - > - return ret; > -} > - > -int dpu_encoder_helper_unregister_irq(struct dpu_encoder_phys > *phys_enc, > - enum dpu_intr_idx intr_idx) > -{ > - struct dpu_encoder_irq *irq; > - int ret; > - > - 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, irq=%d", > - DRMID(phys_enc->parent), intr_idx, > - irq->irq_idx); > - return 0; > - } > - > - ret = dpu_core_irq_unregister_callback(phys_enc->dpu_kms, > irq->irq_idx, > - irq->func, phys_enc); > - if (ret) { > - DRM_ERROR("unreg cb fail id=%u, intr=%d, irq=%d ret=%d", > - DRMID(phys_enc->parent), intr_idx, > - irq->irq_idx, ret); > - } > - > - trace_dpu_enc_irq_unregister_success(DRMID(phys_enc->parent), > intr_idx, > - irq->irq_idx); > - > - return 0; > -} > - > int dpu_encoder_get_frame_count(struct drm_encoder *drm_enc) > { > struct dpu_encoder_virt *dpu_enc; > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h > b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h > index 80d87871fd94..ff2218155b44 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys.h > @@ -364,22 +364,4 @@ int dpu_encoder_helper_wait_for_irq(struct > dpu_encoder_phys *phys_enc, > enum dpu_intr_idx intr_idx, > struct dpu_encoder_wait_info *wait_info); > > -/** > - * dpu_encoder_helper_register_irq - register and enable an irq > - * @phys_enc: Pointer to physical encoder structure > - * @intr_idx: encoder interrupt index > - * @Return: 0 or -ERROR > - */ > -int dpu_encoder_helper_register_irq(struct dpu_encoder_phys *phys_enc, > - enum dpu_intr_idx intr_idx); > - > -/** > - * dpu_encoder_helper_unregister_irq - unregister and disable an irq > - * @phys_enc: Pointer to physical encoder structure > - * @intr_idx: encoder interrupt index > - * @Return: 0 or -ERROR > - */ > -int dpu_encoder_helper_unregister_irq(struct dpu_encoder_phys > *phys_enc, > - enum dpu_intr_idx intr_idx); > - > #endif /* __dpu_encoder_phys_H__ */ > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c > b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c > index f921a5c99456..4bfeac821f51 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c > @@ -211,7 +211,9 @@ static int > _dpu_encoder_phys_cmd_handle_ppdone_timeout( > cmd_enc->pp_timeout_report_cnt, > atomic_read(&phys_enc->pending_kickoff_cnt)); > msm_disp_snapshot_state(drm_enc->dev); > - dpu_encoder_helper_unregister_irq(phys_enc, INTR_IDX_RDPTR); > + dpu_core_irq_unregister_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_RDPTR].irq_idx, > + phys_enc->irq[INTR_IDX_RDPTR].func, phys_enc); > } > > atomic_add_unless(&phys_enc->pending_kickoff_cnt, -1, 0); > @@ -277,10 +279,13 @@ static int > dpu_encoder_phys_cmd_control_vblank_irq( > enable ? "true" : "false", refcount); > > if (enable && atomic_inc_return(&phys_enc->vblank_refcount) == 1) > - ret = dpu_encoder_helper_register_irq(phys_enc, INTR_IDX_RDPTR); > + ret = dpu_core_irq_register_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_RDPTR].irq_idx, > + phys_enc->irq[INTR_IDX_RDPTR].func, phys_enc); > else if (!enable && atomic_dec_return(&phys_enc->vblank_refcount) == > 0) > - ret = dpu_encoder_helper_unregister_irq(phys_enc, > - INTR_IDX_RDPTR); > + ret = dpu_core_irq_unregister_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_RDPTR].irq_idx, > + phys_enc->irq[INTR_IDX_RDPTR].func, phys_enc); > > end: > if (ret) { > @@ -301,21 +306,31 @@ static void > dpu_encoder_phys_cmd_irq_control(struct dpu_encoder_phys *phys_enc, > enable, atomic_read(&phys_enc->vblank_refcount)); > > if (enable) { > - dpu_encoder_helper_register_irq(phys_enc, INTR_IDX_PINGPONG); > - dpu_encoder_helper_register_irq(phys_enc, INTR_IDX_UNDERRUN); > + dpu_core_irq_register_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_PINGPONG].irq_idx, > + phys_enc->irq[INTR_IDX_PINGPONG].func, phys_enc); > + dpu_core_irq_register_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_UNDERRUN].irq_idx, > + phys_enc->irq[INTR_IDX_UNDERRUN].func, phys_enc); > dpu_encoder_phys_cmd_control_vblank_irq(phys_enc, true); > > if (dpu_encoder_phys_cmd_is_master(phys_enc)) > - dpu_encoder_helper_register_irq(phys_enc, > - INTR_IDX_CTL_START); > + dpu_core_irq_register_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_CTL_START].irq_idx, > + phys_enc->irq[INTR_IDX_CTL_START].func, phys_enc); > } else { > if (dpu_encoder_phys_cmd_is_master(phys_enc)) > - dpu_encoder_helper_unregister_irq(phys_enc, > - INTR_IDX_CTL_START); > + dpu_core_irq_unregister_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_CTL_START].irq_idx, > + phys_enc->irq[INTR_IDX_CTL_START].func, phys_enc); > > - dpu_encoder_helper_unregister_irq(phys_enc, INTR_IDX_UNDERRUN); > + dpu_core_irq_unregister_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_UNDERRUN].irq_idx, > + phys_enc->irq[INTR_IDX_UNDERRUN].func, phys_enc); > dpu_encoder_phys_cmd_control_vblank_irq(phys_enc, false); > - dpu_encoder_helper_unregister_irq(phys_enc, INTR_IDX_PINGPONG); > + dpu_core_irq_unregister_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_PINGPONG].irq_idx, > + phys_enc->irq[INTR_IDX_PINGPONG].func, phys_enc); > } > } > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c > b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c > index 437af231d6a4..7f605287a377 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c > @@ -404,10 +404,13 @@ static int > dpu_encoder_phys_vid_control_vblank_irq( > atomic_read(&phys_enc->vblank_refcount)); > > if (enable && atomic_inc_return(&phys_enc->vblank_refcount) == 1) > - ret = dpu_encoder_helper_register_irq(phys_enc, INTR_IDX_VSYNC); > + ret = dpu_core_irq_register_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_VSYNC].irq_idx, > + phys_enc->irq[INTR_IDX_VSYNC].func, phys_enc); > else if (!enable && atomic_dec_return(&phys_enc->vblank_refcount) == > 0) > - ret = dpu_encoder_helper_unregister_irq(phys_enc, > - INTR_IDX_VSYNC); > + ret = dpu_core_irq_unregister_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_VSYNC].irq_idx, > + phys_enc->irq[INTR_IDX_VSYNC].func, phys_enc); > > end: > if (ret) { > @@ -539,7 +542,9 @@ static void > dpu_encoder_phys_vid_prepare_for_kickoff( > DPU_ERROR_VIDENC(phys_enc, "ctl %d reset failure: %d\n", > ctl->idx, rc); > msm_disp_snapshot_state(drm_enc->dev); > - dpu_encoder_helper_unregister_irq(phys_enc, INTR_IDX_VSYNC); > + dpu_core_irq_unregister_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_VSYNC].irq_idx, > + phys_enc->irq[INTR_IDX_VSYNC].func, phys_enc); > } > } > > @@ -628,10 +633,14 @@ static void > dpu_encoder_phys_vid_irq_control(struct dpu_encoder_phys *phys_enc, > if (WARN_ON(ret)) > return; > > - dpu_encoder_helper_register_irq(phys_enc, INTR_IDX_UNDERRUN); > + dpu_core_irq_register_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_UNDERRUN].irq_idx, > + phys_enc->irq[INTR_IDX_UNDERRUN].func, phys_enc); > } else { > dpu_encoder_phys_vid_control_vblank_irq(phys_enc, false); > - dpu_encoder_helper_unregister_irq(phys_enc, INTR_IDX_UNDERRUN); > + dpu_core_irq_unregister_callback(phys_enc->dpu_kms, > + phys_enc->irq[INTR_IDX_UNDERRUN].irq_idx, > + phys_enc->irq[INTR_IDX_UNDERRUN].func, phys_enc); > } > } > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c > b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c > index 9b74cfdf5355..557ad831e651 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c > @@ -451,6 +451,8 @@ int dpu_core_irq_register_callback(struct dpu_kms > *dpu_kms, int irq_idx, > irq_idx); > spin_unlock_irqrestore(&dpu_kms->hw_intr->irq_lock, irq_flags); > > + trace_dpu_irq_register_success(irq_idx); > + > return 0; > } > > @@ -493,6 +495,8 @@ int dpu_core_irq_unregister_callback(struct > dpu_kms *dpu_kms, int irq_idx, > > spin_unlock_irqrestore(&dpu_kms->hw_intr->irq_lock, irq_flags); > > + trace_dpu_irq_unregister_success(irq_idx); > + > return 0; > } > > diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h > b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h > index 1e2619556f93..58b7b8654543 100644 > --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h > +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_trace.h > @@ -167,33 +167,24 @@ TRACE_EVENT(dpu_perf_crtc_update, > __entry->update_clk) > ); > > -DECLARE_EVENT_CLASS(dpu_enc_irq_template, > - TP_PROTO(uint32_t drm_id, enum dpu_intr_idx intr_idx, > - int irq_idx), > - TP_ARGS(drm_id, intr_idx, irq_idx), > +DECLARE_EVENT_CLASS(dpu_irq_template, > + TP_PROTO(int irq_idx), > + TP_ARGS(irq_idx), > TP_STRUCT__entry( > - __field( uint32_t, drm_id ) > - __field( enum dpu_intr_idx, intr_idx ) > __field( int, irq_idx ) > ), > TP_fast_assign( > - __entry->drm_id = drm_id; > - __entry->intr_idx = intr_idx; > __entry->irq_idx = irq_idx; > ), > - TP_printk("id=%u, intr=%d, irq=%d", > - __entry->drm_id, __entry->intr_idx, > - __entry->irq_idx) > + TP_printk("irq=%d", __entry->irq_idx) > ); > -DEFINE_EVENT(dpu_enc_irq_template, dpu_enc_irq_register_success, > - TP_PROTO(uint32_t drm_id, enum dpu_intr_idx intr_idx, > - int irq_idx), > - TP_ARGS(drm_id, intr_idx, irq_idx) > +DEFINE_EVENT(dpu_irq_template, dpu_irq_register_success, > + TP_PROTO(int irq_idx), > + TP_ARGS(irq_idx) > ); > -DEFINE_EVENT(dpu_enc_irq_template, dpu_enc_irq_unregister_success, > - TP_PROTO(uint32_t drm_id, enum dpu_intr_idx intr_idx, > - int irq_idx), > - TP_ARGS(drm_id, intr_idx, irq_idx) > +DEFINE_EVENT(dpu_irq_template, dpu_irq_unregister_success, > + TP_PROTO(int irq_idx), > + TP_ARGS(irq_idx) > ); > > TRACE_EVENT(dpu_enc_irq_wait_success,