From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792677247; b=X+NpMFc2QHRATyaNHs69DLfc1/QkQK3ReFfiZctj9ngKdhbpYpKychSwSWaHZ6qv15F2 Bm0KQtfPU0vH+GgPetJZ7ORioyCxUKsN0G3ulakc+xMUmiNI0gpgjXwwcetQ03IHueOC/ iOFrKxycs9e4+aWgA8H3Lp8UsHQ/Yfh7VibxgjnuJq93hM919xShyqn5ynM2+8r0puLl/ Buw4eucMuCmF/nnpULoxpyQIBtzm8OfbHbtXUxk2/ZjRjhtWQtEI5PcQXbfTDV76qV5QG OJkflXYJ+TOsD9+aqRA3MakUfMN+UF139WqxrUhRuR7c+xgzAB2HOkPLCY1p310BWaQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792677247; h=Received:DKIM-Signature:From:Date:Subject:MIME-Version:Content-Type: Content-Transfer-Encoding:Message-Id:References:In-Reply-To:To:Cc: X-Mailer:X-Developer-Signature:X-Developer-Key; bh=luG8PmeuahdulGWPX7qVjLy6cKvtxIl5j6p+GIrFYDQ=; b=2BbDazjAwglcAGJ7Cp2Xi+wdaRMWR4lNJ5mhReKvfdM1qhhoDYbOb8LyAbO8Hc8CUndi Jqzq3UXZ0UDuVnFRMJb6Fmu7cL2Tf/ETvKpvrXDm+jUpMCSyLoykaZIbvC0RsvQsUVAnW LnRTh6P10YFsSNFfr34NGVMtFMm4az6Ekl8mg5geAdr2O9IssWspnklo/vsizyWU+d1Gt rHk1FpRLrD143Qn2VFT6DpYyZOzi5Nw0Ug+ZGysO51thES3keHBE8RsmK3v9HRh/Hio9F aJKNlWwv3hMtvA9z+XdAbwMFhkkQAxQCgAmCd7k6Tm0a4Bjbd7Yc2AyESG/VIO9O3DQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=oGO0R98I; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2E187606A33E for ; Thu, 22 Oct 2026 13:54:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=oGO0R98I Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8D7321F000C4; Thu, 22 Oct 2026 13:54:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792677247; bh=luG8PmeuahdulGWPX7qVjLy6cKvtxIl5j6p+GIrFYDQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=oGO0R98ICV5dNLo5EknVb1VTxSuqn/EdWO5hO6OoUxxhHysNPrmWcUJRQqJLHe5Be p7ohlZdV5ppI3tu0DXpllJuxYu/bIy0bj3O/gHeEkEjdvpii/RsxXq903HRdv07VZH 241udgfoTeJdOmxnD3gxLWZKKlaU4gDx9HuadxPXQuV5T9IaC5mTQtYGoAi4+l8wkf 1P35UO1ujfNa7EoYdNB+WshPsRXi9T9vdFYGeZUiYgvUJu0t8+LZI6EpW5dpir5KJF oySm6KR6PmdtxK4IAj56hLgVzS5n1/krzsWuLxd7YY62IVUKQvHXwUJmFZQv8AbTh4 y7ptIUuW4WdnA== From: Maxime Ripard Date: Thu, 22 Oct 2026 15:53:15 +0200 Subject: [PATCH v6 14/15] drm/vkms: Switch container_of helpers to container_of_const X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261022-drm-reset-state-flag-v6-14-f36d640b7e76@kernel.org> References: <20261022-drm-reset-state-flag-v6-0-f36d640b7e76@kernel.org> In-Reply-To: <20261022-drm-reset-state-flag-v6-0-f36d640b7e76@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Louis Chauvet , Haneen Mohammed , Melissa Wen Cc: Daniel Stone , Harry Wentland , Jocelyn Falempe , =?utf-8?q?Jonas_=C3=85dahl?= , =?utf-8?q?Michel_D=C3=A4nzer?= , Pekka Paalanen , Sebastian Wick , Simon Ser , Victoria Brekenfeld , Xaver Hugl , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Maxime Ripard X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1495; i=mripard@kernel.org; h=from:subject:message-id; bh=9KymKSyh2DSpKBjfqlW7NyoJFWIhRkdHFylYcuG4zks=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDFm3RD13Gmpvm8UnMZNrjcLT7SVxX6+0P71zLud0cUekS coK7S8POqayMAhzMsiKKbI8kQk7vbx9cZWD/cofMHNYmUCGMHBxCsBE3h1mbJjYduJezVvPD7d2 PLhcpRzRyWYTbuUvFyPl/mL93cv7HvkfVtC13VTDe7P+zcULq1doljI2nO6btPVV7vE//04maD4 p0zLrXFbocLtIu1XQ5G6Tyu3MyfV2rTLR85yY1vPcN2Kw8bsPAA== X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D The vkms container_of helpers use container_of() which discards the const qualifier from the input pointer. This prevents passing a const state pointer to to_vkms_plane_state() without a cast, for instance in atomic_get_property which receives a const drm_plane_state. Switch all four helpers to container_of_const() so the const qualifier is properly propagated to the result type. Reviewed-by: Daniel Stone Signed-off-by: Maxime Ripard --- drivers/gpu/drm/vkms/vkms_drv.h | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h index 381483aa4fb0..dea6cad3f1b9 100644 --- a/drivers/gpu/drm/vkms/vkms_drv.h +++ b/drivers/gpu/drm/vkms/vkms_drv.h @@ -251,14 +251,14 @@ struct vkms_device { #define drm_crtc_to_vkms_output(target) \ - container_of(target, struct vkms_output, crtc) + container_of_const(target, struct vkms_output, crtc) #define drm_device_to_vkms_device(target) \ - container_of(target, struct vkms_device, drm) + container_of_const(target, struct vkms_device, drm) #define to_vkms_crtc_state(target)\ - container_of(target, struct vkms_crtc_state, base) + container_of_const(target, struct vkms_crtc_state, base) #define to_vkms_plane_state(target)\ - container_of(target, struct vkms_plane_state, base.base) + container_of_const(target, struct vkms_plane_state, base.base) /** -- 2.55.0