From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5ACCF2D9EE7 for ; Tue, 30 Jun 2026 08:43:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782809014; cv=pass; b=XeKitJxwCmKuTgDMC4n1lAdAERAIWMz1nUmARgT41VNkU75lUBQ9KlBQ7llkmgNs23yhlHCXvfbGT+yMRmnbUia+O2nEE8bjxqIvzk4lDIykqVBC+gSfANymndl4f2ON45yuwZ10SEGSROX3uBdGRUQy9ihaKj6z4mi3zVmEa1Q= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782809014; c=relaxed/simple; bh=TX+vC04TQWSkxSTpa09YxPj34Pu+t4SceoEfHamiHz8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sKi9LgAbbbljwJeDHJ6aHR6H6u0hWMOitN4tCF78wUkbwbwBAk+UOAPyr9rCCKY1JATlLKT1jtsZ83sIHefDinVHLR3bIdTy3q7tFkVj6GPCIZqpwKRdY9sppHvpd1Wac3o7F4zkscC47aIqbagALcwZeXXhve4MMysBvsZaOVw= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=robert.mader@collabora.com header.b=TBSZmYCq; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=robert.mader@collabora.com header.b="TBSZmYCq" ARC-Seal: i=1; a=rsa-sha256; t=1782808991; cv=none; d=zohomail.com; s=zohoarc; b=Vmcp9+P2+zVVGjlknJcCugSPkACENyZchXZwe3EkEbGbyajkzli0ANoSzeauGiit1WvI9DwnWPjpWbeSIl20fquGutUd0E8txJiXY8aAln6He6+paZA96Ez/adnApuKoquc7ib60BFtjAT0zzpeJmBQtCTqKF85bCSJ0AGgkq4Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1782808991; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=7SKXbw6sqS2+R2VhFfpClmyyEFJnI1KY9RMDYcCVsTA=; b=VOC+p1UqsyZHzjNJg6+p75eVv+ap29pjP9V9DgeNuJBibqfI0mKCDWAJYA2mkEM2/RWyRk24i3LE3On/V8yz/K63YnxbcSScBYVqqyw+l2FMPiwvqdIeDrk5lUuGoGpwuWuWR1F3xy8pWAZw/nL4cqtk3NPfvhYG9RYLGLoYUFg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=robert.mader@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1782808991; s=zohomail; d=collabora.com; i=robert.mader@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=7SKXbw6sqS2+R2VhFfpClmyyEFJnI1KY9RMDYcCVsTA=; b=TBSZmYCqT98RYWK0hEu0LgcjnyoNv2ppn7AWZuWxUW686HMA7TPMv4pHdGj9mDlD xkkqwuBh2Y7MeJDD7vpOD9QdH8YAUZw2JeDyV3B6n0IZ/63q904DzFH2S/JZ2MZx/B1 Eg0+T18nP5P0K1hSOouI/YhjsFLF5EBUmoOSC8Q0= Received: by mx.zohomail.com with SMTPS id 1782808989324295.46946848078676; Tue, 30 Jun 2026 01:43:09 -0700 (PDT) From: Robert Mader To: dri-devel@lists.freedesktop.org Cc: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , linux-kernel@vger.kernel.org, amd-gfx@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, Harry Wentland , Daniel Stone , Chaitanya Kumar Borah , Uma Shankar , Louis Chauvet , Melissa Wen , Simon Ser , Pekka Paalanen , Leandro Ribeiro , Robert Mader Subject: [PATCH v1 1/4] drm: Guard DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE behind driver feature Date: Tue, 30 Jun 2026 10:42:26 +0200 Message-ID: <20260630084229.529682-2-robert.mader@collabora.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260630084229.529682-1-robert.mader@collabora.com> References: <20260630084229.529682-1-robert.mader@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The client cap is currently advertised unconditionally, even for drivers that do not support plane color pipelines. If clients supporting the later, like Wayland compositors and drm_info, enable the client cap on sich drivers they will be left without both color pipeline and the legacy properties COLOR_ENCODING and COLOR_RANGE, effectively breaking YUV->RGB conversion support. Add a new driver feature and guard the client cap behind it, allowing plane color pipeline and legacy YUV->RGB support to co-exist. Signed-off-by: Robert Mader --- drivers/gpu/drm/drm_ioctl.c | 2 ++ include/drm/drm_drv.h | 6 ++++++ 2 files changed, 8 insertions(+) diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index ff193155129e..96fda92e31b9 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -374,6 +374,8 @@ drm_setclientcap(struct drm_device *dev, void *data, struct drm_file *file_priv) file_priv->supports_virtualized_cursor_plane = req->value; break; case DRM_CLIENT_CAP_PLANE_COLOR_PIPELINE: + if (!drm_core_check_feature(dev, DRIVER_PLANE_COLOR_PIPELINE)) + return -EOPNOTSUPP; if (!file_priv->atomic) return -EINVAL; if (req->value > 1) diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index e09559495c5b..108ddd2c8d30 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -116,6 +116,12 @@ enum drm_driver_feature { * the cursor planes to work correctly). */ DRIVER_CURSOR_HOTSPOT = BIT(9), + /** + * @DRIVER_PLANE_COLOR_PIPELINE: + * + * Driver supports PLANE_COLOR_PIPELINE. + */ + DRIVER_PLANE_COLOR_PIPELINE = BIT(10), /* IMPORTANT: Below are all the legacy flags, add new ones above. */ -- 2.54.0