From patchwork Tue Sep 13 14:51:02 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Polimera X-Patchwork-Id: 12974967 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D71FBECAAD8 for ; Tue, 13 Sep 2022 16:21:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231281AbiIMQVG (ORCPT ); Tue, 13 Sep 2022 12:21:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34052 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233330AbiIMQUc (ORCPT ); Tue, 13 Sep 2022 12:20:32 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DF41113FAF; Tue, 13 Sep 2022 08:15:35 -0700 (PDT) Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 28DDvFUr018894; Tue, 13 Sep 2022 14:56:30 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=qcppdkim1; bh=HoHc6iqd88ivi6lrsE8ZQ3svO9l4qQEuJVLbncSeEEs=; b=gZyOFOqNE6lYitrODdXaipvwFsi4KG+Kt9uj566xFFrWDur4dOBuqJi8CS9zXRDSB+S+ 7+Sc5T9B5krVdYPElgChrCZvMQL/kOC/Cms4A0PFsRlrMYNUd90RZs60nQjZtUOTUds+ x0QFgEjEvR/tFpvohfC7o0mGatLXufToLK0CIcPv4yMLNWSxiMGCO5vQaPEFD64Tz2vW uJUPNCkozFJJOP94zMO8inM/2N1fQVdp4mYwhWwBj/rSvvr5B7oggyZEErJLNrnIWgmu 59HEE/PeDSDbg4wf5QED8jZZkO/XWQONML6FVxNOZlNLpJiWfUJuYrR8SBeNIQ0Rv6OI Jg== Received: from apblrppmta01.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3jjh9tjhq2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 13 Sep 2022 14:56:30 +0000 Received: from pps.filterd (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 28DEpQRL017875; Tue, 13 Sep 2022 14:51:26 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 3jh46m5dqv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 13 Sep 2022 14:51:26 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 28DEpQ5p017840; Tue, 13 Sep 2022 14:51:26 GMT Received: from vpolimer-linux.qualcomm.com (vpolimer-linux.qualcomm.com [10.204.67.235]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTP id 28DEpPBk017833; Tue, 13 Sep 2022 14:51:26 +0000 Received: by vpolimer-linux.qualcomm.com (Postfix, from userid 463814) id 245F9401B; Tue, 13 Sep 2022 20:21:25 +0530 (IST) From: Vinod Polimera To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: Vinod Polimera , linux-kernel@vger.kernel.org, robdclark@gmail.com, dianders@chromium.org, swboyd@chromium.org, quic_kalyant@quicinc.com, dmitry.baryshkov@linaro.org, quic_khsieh@quicinc.com, quic_vproddut@quicinc.com, quic_bjorande@quicinc.com, quic_aravindh@quicinc.com, quic_abhinavk@quicinc.com, quic_sbillaka@quicinc.com Subject: [PATCH v7 01/15] drm/msm/disp/dpu: clear dpu_assign_crtc and get crtc from connector state instead of dpu_enc Date: Tue, 13 Sep 2022 20:21:02 +0530 Message-Id: <1663080676-12936-2-git-send-email-quic_vpolimer@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1663080676-12936-1-git-send-email-quic_vpolimer@quicinc.com> References: <1663080676-12936-1-git-send-email-quic_vpolimer@quicinc.com> X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: i2tLPMMoGz9ro_wsgh1PuRzBbXVEA4er X-Proofpoint-GUID: i2tLPMMoGz9ro_wsgh1PuRzBbXVEA4er X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-13_07,2022-09-13_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxscore=0 adultscore=0 lowpriorityscore=0 malwarescore=0 mlxlogscore=848 spamscore=0 priorityscore=1501 clxscore=1015 bulkscore=0 impostorscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2209130068 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Update crtc retrieval from dpu_enc to dpu_enc connector state, since new links get set as part of the dpu enc virt mode set. The dpu_enc->crtc cache is no more needed, hence cleaning it as part of this change. Signed-off-by: Vinod Polimera --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 4 ---- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 35 ++++++++++++----------------- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 8 ------- 3 files changed, 14 insertions(+), 33 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 13ce321..8ec9a13 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1029,7 +1029,6 @@ static void dpu_crtc_disable(struct drm_crtc *crtc, */ if (dpu_encoder_get_intf_mode(encoder) == INTF_MODE_VIDEO) release_bandwidth = true; - dpu_encoder_assign_crtc(encoder, NULL); } /* wait for frame_event_done completion */ @@ -1099,9 +1098,6 @@ static void dpu_crtc_enable(struct drm_crtc *crtc, trace_dpu_crtc_enable(DRMID(crtc), true, dpu_crtc); dpu_crtc->enabled = true; - drm_for_each_encoder_mask(encoder, crtc->dev, crtc->state->encoder_mask) - dpu_encoder_assign_crtc(encoder, crtc); - /* Enable/restore vblank irq handling */ drm_crtc_vblank_on(crtc); } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 9c6817b..0c7d8b5 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -132,11 +132,6 @@ enum dpu_enc_rc_states { * @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 - * would use crtc->state->encoder_mask to determine the - * 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. * @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 @@ -181,7 +176,6 @@ struct dpu_encoder_virt { bool intfs_swapped; - struct drm_crtc *crtc; struct drm_connector *connector; struct dentry *debugfs_root; @@ -1288,6 +1282,7 @@ static void dpu_encoder_vblank_callback(struct drm_encoder *drm_enc, struct dpu_encoder_phys *phy_enc) { struct dpu_encoder_virt *dpu_enc = NULL; + struct drm_crtc *crtc; unsigned long lock_flags; if (!drm_enc || !phy_enc) @@ -1298,9 +1293,14 @@ static void dpu_encoder_vblank_callback(struct drm_encoder *drm_enc, atomic_inc(&phy_enc->vsync_cnt); + if (!dpu_enc->connector || !dpu_enc->connector->state) + return; + + crtc = dpu_enc->connector->state->crtc; + spin_lock_irqsave(&dpu_enc->enc_spinlock, lock_flags); - if (dpu_enc->crtc) - dpu_crtc_vblank_callback(dpu_enc->crtc); + if (crtc) + dpu_crtc_vblank_callback(crtc); spin_unlock_irqrestore(&dpu_enc->enc_spinlock, lock_flags); DPU_ATRACE_END("encoder_vblank_callback"); @@ -1324,29 +1324,22 @@ static void dpu_encoder_underrun_callback(struct drm_encoder *drm_enc, DPU_ATRACE_END("encoder_underrun_callback"); } -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); - unsigned long lock_flags; - - spin_lock_irqsave(&dpu_enc->enc_spinlock, lock_flags); - /* crtc should always be cleared before re-assigning */ - WARN_ON(crtc && dpu_enc->crtc); - dpu_enc->crtc = crtc; - spin_unlock_irqrestore(&dpu_enc->enc_spinlock, lock_flags); -} - void dpu_encoder_toggle_vblank_for_crtc(struct drm_encoder *drm_enc, struct drm_crtc *crtc, bool enable) { struct dpu_encoder_virt *dpu_enc = to_dpu_encoder_virt(drm_enc); + struct drm_crtc *new_crtc; unsigned long lock_flags; int i; trace_dpu_enc_vblank_cb(DRMID(drm_enc), enable); + if (!dpu_enc->connector || !dpu_enc->connector->state) + return; + + new_crtc = dpu_enc->connector->state->crtc; spin_lock_irqsave(&dpu_enc->enc_spinlock, lock_flags); - if (dpu_enc->crtc != crtc) { + if (!new_crtc || new_crtc != crtc) { spin_unlock_irqrestore(&dpu_enc->enc_spinlock, lock_flags); return; } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h index 9e7236e..eda5cd8 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h @@ -40,14 +40,6 @@ struct msm_display_info { }; /** - * dpu_encoder_assign_crtc - Link the encoder to the crtc it's assigned to - * @encoder: encoder pointer - * @crtc: crtc pointer - */ -void dpu_encoder_assign_crtc(struct drm_encoder *encoder, - struct drm_crtc *crtc); - -/** * dpu_encoder_toggle_vblank_for_crtc - Toggles vblank interrupts on or off if * the encoder is assigned to the given crtc * @encoder: encoder pointer