From patchwork Sat Feb 15 00:14:28 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jessica Zhang X-Patchwork-Id: 13975806 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9A6EBC021A6 for ; Sat, 15 Feb 2025 00:15:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F04C910ED46; Sat, 15 Feb 2025 00:15:35 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=quicinc.com header.i=@quicinc.com header.b="QVkcleuE"; dkim-atps=neutral Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by gabe.freedesktop.org (Postfix) with ESMTPS id 3633110E101; 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Sat, 15 Feb 2025 00:15:27 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA05.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 51F0FQAe012705 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 15 Feb 2025 00:15:26 GMT Received: from jesszhan-linux.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Fri, 14 Feb 2025 16:15:25 -0800 From: Jessica Zhang Date: Fri, 14 Feb 2025 16:14:28 -0800 Subject: [PATCH v6 05/14] drm/msm/dpu: Require modeset if clone mode status changes MIME-Version: 1.0 Message-ID: <20250214-concurrent-wb-v6-5-a44c293cf422@quicinc.com> References: <20250214-concurrent-wb-v6-0-a44c293cf422@quicinc.com> In-Reply-To: <20250214-concurrent-wb-v6-0-a44c293cf422@quicinc.com> To: Rob Clark , Dmitry Baryshkov , , Sean Paul , Marijn Suijten , "David Airlie" , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Simona Vetter , Simona Vetter CC: , , , , , Rob Clark , =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= , "Jessica Zhang" X-Mailer: b4 0.15-dev-f0f05 X-Developer-Signature: v=1; a=ed25519-sha256; t=1739578524; l=3521; i=quic_jesszhan@quicinc.com; s=20230329; h=from:subject:message-id; bh=LypIT3Vsvo+COpx9vViitKdfHH7SaO6HMvWRQmInK90=; b=1Un89lFl88+zWMKA9SRjPt7j+PyUD5pXcYNg5kU/kwKUP1L4PmEYdt7JZ4kpuQtpF/71ax4w4 w020U36NAxxDGZGI3JwrhAU1/Iw6QJNdnYCt+oto9H7Vd6fw6ojCHyL X-Developer-Key: i=quic_jesszhan@quicinc.com; a=ed25519; pk=gAUCgHZ6wTJOzQa3U0GfeCDH7iZLlqIEPo4rrjfDpWE= X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: VMiAb72SR3DvelqGqanbUMWZQA7l9JGZ X-Proofpoint-ORIG-GUID: VMiAb72SR3DvelqGqanbUMWZQA7l9JGZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1057,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-02-14_10,2025-02-13_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 bulkscore=0 clxscore=1015 priorityscore=1501 adultscore=0 mlxscore=0 malwarescore=0 phishscore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2501170000 definitions=main-2502150000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" If the clone mode enabled status is changing, a modeset needs to happen so that the resources can be reassigned Reviewed-by: Abhinav Kumar Reviewed-by: Dmitry Baryshkov Signed-off-by: Jessica Zhang --- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c | 17 ++++++++++++----- drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h | 3 ++- drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c | 5 +++-- 3 files changed, 17 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c index 7c0ab1cee057..5c9c317c9347 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c @@ -1351,19 +1351,26 @@ static int dpu_crtc_assign_resources(struct drm_crtc *crtc, * * Check if the changes in the object properties demand full mode set. */ -int dpu_crtc_check_mode_changed(struct drm_crtc_state *crtc_state) +int dpu_crtc_check_mode_changed(struct drm_crtc_state *old_crtc_state, + struct drm_crtc_state *new_crtc_state) { struct drm_encoder *drm_enc; - struct drm_crtc *crtc = crtc_state->crtc; + struct drm_crtc *crtc = new_crtc_state->crtc; + bool clone_mode_enabled = drm_crtc_in_clone_mode(old_crtc_state); + bool clone_mode_requested = drm_crtc_in_clone_mode(new_crtc_state); DRM_DEBUG_ATOMIC("%d\n", crtc->base.id); /* there might be cases where encoder needs a modeset too */ - drm_for_each_encoder_mask(drm_enc, crtc->dev, crtc_state->encoder_mask) { - if (dpu_encoder_needs_modeset(drm_enc, crtc_state->state)) - crtc_state->mode_changed = true; + drm_for_each_encoder_mask(drm_enc, crtc->dev, new_crtc_state->encoder_mask) { + if (dpu_encoder_needs_modeset(drm_enc, new_crtc_state->state)) + new_crtc_state->mode_changed = true; } + if ((clone_mode_requested && !clone_mode_enabled) || + (!clone_mode_requested && clone_mode_enabled)) + new_crtc_state->mode_changed = true; + return 0; } diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h index 51a3b5fc879a..94392b9b9245 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.h @@ -239,7 +239,8 @@ static inline int dpu_crtc_frame_pending(struct drm_crtc *crtc) return crtc ? atomic_read(&to_dpu_crtc(crtc)->frame_pending) : -EINVAL; } -int dpu_crtc_check_mode_changed(struct drm_crtc_state *crtc_state); +int dpu_crtc_check_mode_changed(struct drm_crtc_state *old_crtc_state, + struct drm_crtc_state *new_crtc_state); int dpu_crtc_vblank(struct drm_crtc *crtc, bool en); diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c index c6b3b2e147b4..423af6f8251c 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c @@ -449,11 +449,12 @@ static void dpu_kms_disable_commit(struct msm_kms *kms) static int dpu_kms_check_mode_changed(struct msm_kms *kms, struct drm_atomic_state *state) { struct drm_crtc_state *new_crtc_state; + struct drm_crtc_state *old_crtc_state; struct drm_crtc *crtc; int i; - for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) - dpu_crtc_check_mode_changed(new_crtc_state); + for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) + dpu_crtc_check_mode_changed(old_crtc_state, new_crtc_state); return 0; }