From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 D126E3DE43C for ; Mon, 4 May 2026 14:06:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777903606; cv=none; b=B+K+Q/B3RQTZSUEGKM9h9v3ItYTsDeZgnd1on7nqvg970sExhURe69z1k3yRHE/ygnoZhl08ntwNXWUHDSR+ivLNQ6k9azrKjzwFUavlR5yFa15q6A3crJ7mrF0FDacCast3xsLGLzQPHGo+uelfYaypHP+NgLegMIqPsDTpuN0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777903606; c=relaxed/simple; bh=LxVnVgK4AtpZlIDUuh+imTNb1rdt7jSOyvrqV8pONdE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=TNZ8v+YChXpoLYgSb78ncEiEUWhti1EauiZ1/5EOranfI9c0JIJqUFukFHEHFsZ/70TWAnGke93PFhxj5Ks5XvTD+Otf0drPfkz0NVTx1oy4VGnO1acqgZvseecIXvq1zXC9VKMgCY8MZ1WfhKhoiExKRCch7Bxfasg2cEUntnE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=Kv/8V07p; arc=none smtp.client-ip=148.251.105.195 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 (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="Kv/8V07p" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1777903603; bh=LxVnVgK4AtpZlIDUuh+imTNb1rdt7jSOyvrqV8pONdE=; h=From:To:Cc:Subject:Date:From; b=Kv/8V07pWj3lVMcKgf/iKwsKDaRYfDPZryMFPpOJ9ucoKF00vLcgWnZ4CqR2OIMfQ 9Y8r3JzB5My0xV/hyf1GWBg4JPUP/EQZ3RVOcv8ackKz7p/ME7XuklYB++abCjf67u WD9mMyxi7fR/d4ah0amgb6yX9sMvN1lHXXtnWhpB0OMiHexu1ulyN16ky/kq1odFn3 waWwYvoWDbJBaTt+nmnimz0y8USYrpZvBxy1IGVhBvLqE1Pb8hWh+MHLrXoi+eggv+ iW8E4qIrLawEHPFNXQQjxW4Ot6OFL/cE/Io+DIMflZxAvMx8V2B/J8FpO4CvEY5NdT fLLriaNZCXfwQ== Received: from archlinux (unknown [100.64.1.80]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: leandrohrb) by bali.collaboradmins.com (Postfix) with ESMTPSA id AD1D317E05FC; Mon, 4 May 2026 16:06:39 +0200 (CEST) From: Leandro Ribeiro To: dri-devel@lists.freedesktop.org Cc: airlied@gmail.com, daniels@collabora.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, pekka.paalanen@collabora.com, simona@ffwll.ch, tzimmermann@suse.de, ville.syrjala@linux.intel.com, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/2] drm/drm_blend: allow blend mode property without PREMULTI Date: Mon, 4 May 2026 11:06:28 -0300 Message-ID: <20260504140630.68707-1-leandro.ribeiro@collabora.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Some hardware only supports the COVERAGE blend mode and lacks PREMULTI support entirely. DRM currently requires that PREMULTI is present when creating a blend mode property, which prevents such drivers from being properly upstreamed. This series remove such restriction and allow drivers to create a blend mode property without PREMULTI. v2: force drivers to expose blend mode if plane supports alpha property or pixel format with alpha. Leandro Ribeiro (2): drm/drm_blend: allow blend mode property without PREMULTI drm: ensure blend mode supported if alpha exposed drivers/gpu/drm/drm_blend.c | 21 ++++++++++----- drivers/gpu/drm/drm_crtc_internal.h | 1 + drivers/gpu/drm/drm_drv.c | 7 ++++- drivers/gpu/drm/drm_mode_config.c | 42 +++++++++++++++++++++++++++++ 4 files changed, 63 insertions(+), 8 deletions(-) -- 2.54.0