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Thu, 2 Apr 2026 06:26:35 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 4d6qj2v5t4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT) for ; Thu, 02 Apr 2026 06:26:35 +0000 (GMT) Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.18.1.12/8.18.1.12) with ESMTP id 6326QZwi023855 for ; Thu, 2 Apr 2026 06:26:35 GMT Received: from hu-devc-hyd-u22-c.qualcomm.com (hu-ygupt-hyd.qualcomm.com [10.213.99.200]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 6326QZ4K023854 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 02 Apr 2026 06:26:35 +0000 (GMT) Received: by hu-devc-hyd-u22-c.qualcomm.com (Postfix, from userid 4729751) id DCBD05E5; Thu, 2 Apr 2026 11:56:34 +0530 (+0530) From: Yash Gupta To: openembedded-core@lists.openembedded.org Cc: Yash Gupta Subject: [PATCH] weston-init: add repaint-window=10 to [core] config Date: Thu, 2 Apr 2026 11:56:34 +0530 Message-Id: <20260402062634.296082-1-ygupt@qti.qualcomm.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Authority-Analysis: v=2.4 cv=TqLrRTXh c=1 sm=1 tr=0 ts=69ce0c1f cx=c_pps a=Ou0eQOY4+eZoSc0qltEV5Q==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=A5OVakUREuEA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=2SeqjlqqyTdYJxvbCdsA:9 X-Proofpoint-ORIG-GUID: 7u4g1CsuZnWhv60JvVsexEOKxPi_tuhF X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAyMDA1NSBTYWx0ZWRfX44eIm8gN+59F Ljulmd0siXJqO6XD27TrQv4S4WHn1z3XN4ay3eiobra+s44FJxyQQhcuFZ4QgWLON00A75JtcVx uUtq0pZiMOBLakkfKfMGPvk5+J8rO+JtUuRe3Ej+jOwwWrwEbZ2fZVZG5GNjAMxiBNHLDHmeyg/ D1lE44UUVzk/IhcUCTraYzk5vHPCuIrP6kw+Ud91bM3VOuYKQVVdUpTD+ALpBFCh3rCL5Uo43gU MN5Byg41aVO9OHvdewf9oEbaiOUiJ4Pq1ganAqgDSHA8/2+wD0xvH97Twcy5cPDeFf2RR8BOx4w 3hGz5ZseDCcTvbTsyCnpDMKgWWe+RYwsmCzbpPQprVdFe1bOmVEPinPLHwTFDy0E/qU72DKtvy4 GH2aa2fRb2S+BOQmbrRB90pt0bWLIoIKvfFYg9wHmjdUVuRK2H684mRGbUsW/IpxBLoL04yjPjK u68z2OLrEyiRBKtN2DQ== X-Proofpoint-GUID: 7u4g1CsuZnWhv60JvVsexEOKxPi_tuhF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-02_01,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 clxscore=1011 malwarescore=0 spamscore=0 adultscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020055 List-Id: X-Webhook-Received: from 45-33-107-173.ip.linodeusercontent.com [45.33.107.173] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Thu, 02 Apr 2026 07:43:07 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/234502 Weston's default repaint-window is 7ms. At 60 fps the vsync interval is ~16ms. Under load (multi-surface composition or 4K fullscreen weston-simple-egl), the compositor cannot complete repaints within this window, causing up to 50% FPS drops. Changing repaint-window to 10ms gives the compositor sufficient time to complete repaints before vblank while retaining a 6ms buffer acquisition window, improving frame delivery consistency without introducing additional frame latency. Signed-off-by: Yash Gupta --- meta/recipes-graphics/wayland/weston-init/weston.ini | 1 + 1 file changed, 1 insertion(+) diff --git a/meta/recipes-graphics/wayland/weston-init/weston.ini b/meta/recipes-graphics/wayland/weston-init/weston.ini index 0ec70c3ef3..c2f9d19c01 100644 --- a/meta/recipes-graphics/wayland/weston-init/weston.ini +++ b/meta/recipes-graphics/wayland/weston-init/weston.ini @@ -5,6 +5,7 @@ #shell=desktop-shell.so #gbm-format=xrgb2101010 require-input=false +repaint-window=10 #[shell] #background-image=/usr/share/backgrounds/gnome/Aqua.jpg