From patchwork Fri Jan 27 10:15:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kalyan Thota X-Patchwork-Id: 647750 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 6844BC38142 for ; Fri, 27 Jan 2023 10:16:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233425AbjA0KQF (ORCPT ); Fri, 27 Jan 2023 05:16:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53954 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233081AbjA0KQD (ORCPT ); Fri, 27 Jan 2023 05:16:03 -0500 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C257922014; Fri, 27 Jan 2023 02:15:58 -0800 (PST) Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30R9Dsnm030800; Fri, 27 Jan 2023 10:15:54 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=klYU2WW6Oj610KyLuzELQMiZ3+aP6za33DGSZGfHcZo=; b=S3JoyMCDkVXbXtIyEhSsW0Pa8bk4a/r2x6vWeD3TRcdK0068ULBS21A6D/lNxnzCvCvL KTva5q6+l/kMhVCU2YCkJqo19BDwY0+GoPuGI3hpftkxfUC537dt+x6O5tIsHGGlgqMA zaTSzNzOfylvRS+ZF3Qgt9UFcXpzEnbTCfFzAji+0OktYcRPP6HPrAPRbC8GRE4yINFr t4kj95YfWaWyRLgDABVV70Ykg6QW8LMUxNg0nbY/0j/HQ0juNJKPfC7h/bH7Q0JXTPEH vO3cz9oR2tP93IQLy422M2eaikM9EYc59lG5zhXk4fQwUKhm5DJbq1WRm9NyAHyiilp0 pg== Received: from apblrppmta02.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3ncavc05c6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 27 Jan 2023 10:15:54 +0000 Received: from pps.filterd (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTP id 30RAFlU9002355; Fri, 27 Jan 2023 10:15:51 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 3n894m35kg-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 27 Jan 2023 10:15:51 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 30RAEo5i001332; Fri, 27 Jan 2023 10:15:50 GMT Received: from kalyant-linux.qualcomm.com (kalyant-linux.qualcomm.com [10.204.66.210]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTP id 30RAFokw002416; Fri, 27 Jan 2023 10:15:50 +0000 Received: by kalyant-linux.qualcomm.com (Postfix, from userid 94428) id B5F224B79; Fri, 27 Jan 2023 02:15:49 -0800 (PST) From: Kalyan Thota To: dri-devel@lists.freedesktop.org, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org Cc: Kalyan Thota , linux-kernel@vger.kernel.org, robdclark@chromium.org, dianders@chromium.org, swboyd@chromium.org, quic_vpolimer@quicinc.com, dmitry.baryshkov@linaro.org, quic_abhinavk@quicinc.com, marijn.suijten@somainline.org Subject: [PATCH 3/3] drm/msm/disp/dpu1: reserve the resources on topology change Date: Fri, 27 Jan 2023 02:15:45 -0800 Message-Id: <1674814545-9453-4-git-send-email-quic_kalyant@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1674814545-9453-1-git-send-email-quic_kalyant@quicinc.com> References: <1674814545-9453-1-git-send-email-quic_kalyant@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-GUID: eFjpw4bID8rvCmAFgyOx3L17SupeGxfD X-Proofpoint-ORIG-GUID: eFjpw4bID8rvCmAFgyOx3L17SupeGxfD X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.930,Hydra:6.0.562,FMLib:17.11.122.1 definitions=2023-01-27_06,2023-01-27_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 phishscore=0 suspectscore=0 adultscore=0 mlxlogscore=999 impostorscore=0 priorityscore=1501 bulkscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301270096 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Some features like ctm can be enabled dynamically. Release and reserve the dpu resources whenever a topology change occurs such that required hw blocks are allocated appropriately. Signed-off-by: Kalyan Thota --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h | 1 + drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 41 ++++++++++++++++++++++++++--- drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 4 ++- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 2 +- drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c | 4 --- 5 files changed, 42 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h index 539b68b..89afe04 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h @@ -225,6 +225,7 @@ struct dpu_crtc_state { enum dpu_crtc_crc_source crc_source; int crc_frame_skip_count; + struct msm_display_topology topology; }; #define to_dpu_crtc_state(x) \ diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c index 8d76cb3..db417f5 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c @@ -217,6 +217,18 @@ static u32 dither_matrix[DITHER_MATRIX_SZ] = { 15, 7, 13, 5, 3, 11, 1, 9, 12, 4, 14, 6, 0, 8, 2, 10 }; +static void dpu_encoder_virt_atomic_mode_set(struct drm_encoder *drm_enc, + struct drm_crtc_state *crtc_state, + struct drm_connector_state *conn_state); + +static bool _dpu_enc_is_topology_changed(struct drm_crtc_state *crtc_state, + struct msm_display_topology topology) +{ + struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc_state); + + return !!memcmp(&cstate->topology, + &topology, sizeof(struct msm_display_topology)); +} bool dpu_encoder_is_widebus_enabled(const struct drm_encoder *drm_enc) { @@ -650,12 +662,16 @@ static int dpu_encoder_virt_atomic_check( * Release and Allocate resources on every modeset * Dont allocate when active is false. */ - if (drm_atomic_crtc_needs_modeset(crtc_state)) { + if (drm_atomic_crtc_needs_modeset(crtc_state) || + _dpu_enc_is_topology_changed(crtc_state, topology)) { dpu_rm_release(global_state, drm_enc); - if (!crtc_state->active_changed || crtc_state->active) + if (crtc_state->enable) { ret = dpu_rm_reserve(&dpu_kms->rm, global_state, drm_enc, crtc_state, topology); + if (!ret) + dpu_enc->topology = topology; + } } } @@ -1089,7 +1105,7 @@ static void dpu_encoder_virt_atomic_mode_set(struct drm_encoder *drm_enc, } cstate->num_mixers = num_lm; - + cstate->topology = dpu_enc->topology; dpu_enc->connector = conn_state->connector; for (i = 0; i < dpu_enc->num_phys_encs; i++) { @@ -2076,11 +2092,14 @@ void dpu_encoder_helper_phys_cleanup(struct dpu_encoder_phys *phys_enc) ctl->ops.clear_pending_flush(ctl); } -void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc) +void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc, + struct drm_crtc_state *crtc_state) { struct dpu_encoder_virt *dpu_enc; struct dpu_encoder_phys *phys; int i; + struct list_head *connector_list; + struct drm_connector *conn = NULL, *conn_iter; if (!drm_enc) { DPU_ERROR("invalid encoder\n"); @@ -2088,6 +2107,20 @@ void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc) } dpu_enc = to_dpu_encoder_virt(drm_enc); + connector_list = &drm_enc->dev->mode_config.connector_list; + list_for_each_entry(conn_iter, connector_list, head) + if (conn_iter->state->best_encoder == drm_enc) + conn = conn_iter; + + /* + * In case of modeset, DRM kernel will trigger a atomic_mode_set + * call back, for usecases where there is no mode change but a topology + * change, update the resources from here. + */ + if (!drm_atomic_crtc_needs_modeset(crtc_state) && + _dpu_enc_is_topology_changed(crtc_state, dpu_enc->topology)) + dpu_encoder_virt_atomic_mode_set(drm_enc, crtc_state, conn->state); + for (i = 0; i < dpu_enc->num_phys_encs; i++) { phys = dpu_enc->phys_encs[i]; if (phys->ops.prepare_commit) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h index 9e7236e..4cbe20c 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h @@ -150,8 +150,10 @@ int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc, * dpu_encoder_prepare_commit - prepare encoder at the very beginning of an * atomic commit, before any registers are written * @drm_enc: Pointer to previously created drm encoder structure + * @crtc_state: Pointer to drm crtc state */ -void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc); +void dpu_encoder_prepare_commit(struct drm_encoder *drm_enc, + struct drm_crtc_state *crtc_state); /** * dpu_encoder_set_idle_timeout - set the idle timeout for video diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index 7a5fabc..f111120 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -455,7 +455,7 @@ static void dpu_kms_prepare_commit(struct msm_kms *kms, for_each_new_crtc_in_state(state, crtc, crtc_state, i) { drm_for_each_encoder_mask(encoder, crtc->dev, crtc_state->encoder_mask) { - dpu_encoder_prepare_commit(encoder); + dpu_encoder_prepare_commit(encoder, crtc_state); } } } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c index 718ea0a..341c3af 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_rm.c @@ -586,10 +586,6 @@ int dpu_rm_reserve( struct dpu_rm_requirements reqs; int ret; - /* Check if this is just a page-flip */ - if (!drm_atomic_crtc_needs_modeset(crtc_state)) - return 0; - if (IS_ERR(global_state)) { DPU_ERROR("failed to global state\n"); return PTR_ERR(global_state);