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=1793356123; b=xLbqFWtcs+3Fq7CrKc/KAdciUCFCZR14gsjG6ZFFuZcli+waP76qdzprYkrKIMo2eBMx LpIxB+Zcm8cUMAVpc+IQQLUBK1LpMXgtrtoyvZAsfRIlE50FlaZQBvr2xvnpb4wFRFucF KGN4XVasJ1f2rvAy/V13Ox0YuYyOtEyt0/p7rAvJYqMjOjO5MV4ebbEEE06QeXUdbfQ/B IL5EsBZqSH6CrDJoCXLcTCzht0gI06dQIPnh2uZX3D0gieEZvvTvolOarkcWysfz5naUP VQIldjQI1TyEFSUNIETVTxlZ/ZTCw+lLDkUvCJcD3byGkKNVOF0GIMK2FAvTlHzOwNQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793356123; 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=FuYKVPiODbwvvB9YgvFi1t4I6kAwUn3N/r6hfOCEQg9gZgf+D0mfb2IiK4JlHq5Z4BE2 /QfuS6VCn644UOy/GiN24rfao8ocTBveTVa4eQ1gzxxQV3tDSNXyKQIgTP/6Erl0gcxb5 Ufqp9dSR+EG7YNYs7zjM+m0SWKo6iauxspThaMu81+oy/7ZNElNkgKBF754EWVs/pJqYa 7F3IUI6QfPIAWquOmaOTelIQ+/ACo8Pf+OzX50mc8Ur8sdqlWAwkMCgyeRsENGgxVf+1D hEIoD/FDg7EVxLdNXQ8hKSI05MzbmDoU3A6UDTi4OUoZJ6oQOM5rN7NKhECDywVJxwA== 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=W7nGV9ht; 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 D1DAF606A336 for ; Fri, 30 Oct 2026 10:28:42 +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=W7nGV9ht Received: by smtp.kernel.org (Postfix) with ESMTPSA id E77631F00A16; Fri, 30 Oct 2026 10:28:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793356122; bh=luG8PmeuahdulGWPX7qVjLy6cKvtxIl5j6p+GIrFYDQ=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=W7nGV9ht36kf80cdNQflsTejaOFBFEW+UQIvQ7tpFXH9n1tJ2jN9phIIYStX+GEPm wOQ5JlGlXH6ZbbRT4V3zWVTNCkcBXWWYMbEYye5KQDq7O4YR9gVSweF4XXsAf4naCI TO3+XHrW66lkwDig9nLVHjaNpOtq0v4rPOlKe5P61W+5E7lVrTQy6ht4Zyg3XlmtbO EBJXSdMQ7URnOJXfA7tYky6qB+iOoFWEQZ0PLocj+SSvK1TOmfCIRT7+tFeFxjjaAw A7B+73s0A4D9g/U6ybAmIP6c8F6gClZ1nIBX4kDShyg7hGeMzDoprSi+tGgkBBt2A5 jM1Rswzf0fVKA== From: Maxime Ripard Date: Fri, 30 Oct 2026 11:27:47 +0100 Subject: [PATCH v7 15/16] 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: <20261030-drm-reset-state-flag-v7-15-4e55eaeae683@kernel.org> References: <20261030-drm-reset-state-flag-v7-0-4e55eaeae683@kernel.org> In-Reply-To: <20261030-drm-reset-state-flag-v7-0-4e55eaeae683@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=owGbwMvMwCmsHn9OcpHtvjLG02pJDFlPCmXnVc7vaGlhiQzTj5Xcc99njQDzI/5Gf/UTytuue 1/91Lq5YyoLgzAng6yYIssTmbDTy9sXVznYr/wBM4eVCWQIAxenAExESpOxTpnXvXJN38+eva// PvFseRrdW7fv37/Q+ZN3LpOYF5FpVcz8eH/+pA7uNkN2vpDZDE4mjA3LHoY6yNRq8m1peMr/Rot r/iJzfu7fG11zpl389zRx55k3OkxKM0ISJrBOXKjGOGPjLQcA 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