From patchwork Thu Dec 7 15:49:41 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maxime Ripard X-Patchwork-Id: 13483499 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 22FEBC4167B for ; Thu, 7 Dec 2023 15:50:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 02E8710E8FC; Thu, 7 Dec 2023 15:50:41 +0000 (UTC) Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by gabe.freedesktop.org (Postfix) with ESMTPS id 4D82410E8EC for ; Thu, 7 Dec 2023 15:50:25 +0000 (UTC) Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by ams.source.kernel.org (Postfix) with ESMTP id B42B3B826B1; Thu, 7 Dec 2023 15:50:23 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B9302C433CB; Thu, 7 Dec 2023 15:50:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701964223; bh=KTCGZaHdEVzX8G8gYiwwNK0FXqTtIZ9KRh3cFkf+CNs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=iBH8N7IAhOrx90KyIb6APrsfLzKtmzyRWs9YvFN8KjcgjXs+rYJ0/W9c50SrgiBay XqzK1iXT8Vo6R9kzhyw63JL6YR3AL2LcgOPuHDSbN+U5+7ZZ2YbzObaY+tClIF+1JW w4QykE+C6u9mQfSncIs8l7fT1R7FbC/FVHoHQwCK8t2+SIu7+A4CRk88OMNzG5k0aP XkD4ZrinwXbNg8Ml52w60BaTUoLIrL5FGK+VgaWoX2lIZurSx4XkEaeOpw4HPaUNBA 263dD6nkUf9UhPCPysQUxOyIU5FZsKyS16ewfQkBWEeivc2q+Tvq7noZ10QNCf8/sN E7PeVNsDTsf9A== From: Maxime Ripard Date: Thu, 07 Dec 2023 16:49:41 +0100 Subject: [PATCH v5 18/44] drm/vc4: hdmi: Create destroy state implementation MIME-Version: 1.0 Message-Id: <20231207-kms-hdmi-connector-state-v5-18-6538e19d634d@kernel.org> References: <20231207-kms-hdmi-connector-state-v5-0-6538e19d634d@kernel.org> In-Reply-To: <20231207-kms-hdmi-connector-state-v5-0-6538e19d634d@kernel.org> To: Maarten Lankhorst , Thomas Zimmermann , David Airlie , Daniel Vetter , Emma Anholt , Jonathan Corbet , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1640; i=mripard@kernel.org; h=from:subject:message-id; bh=KTCGZaHdEVzX8G8gYiwwNK0FXqTtIZ9KRh3cFkf+CNs=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDKmFL1sPul9YsMvUJ/ZT4sMQ5j+Gsb9z17/t+hm2UdT8W F3h8oSGjlIWBjEuBlkxRZYYYfMlcadmve5k45sHM4eVCWQIAxenAEwkYhPDX/mVssFORv1rY17O 2aYl88hrj07l9n4dtm3LC092iARMv83w39F5TYVTcILkynU3ez3Wzr5pNInppaF6ooj1mydWWv8 5+QE= X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Hans Verkuil , linux-rockchip@lists.infradead.org, Maxime Ripard , linux-sunxi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Even though we were rolling our own custom state for the vc4 HDMI controller driver, we were still using the generic helper to destroy that state. It was mostly working since the underlying state is the first member of our state so the pointers are probably equal in all relevant cases, but it's still fragile so let's fix this properly. Signed-off-by: Maxime Ripard Reviewed-by: Dave Stevenson --- drivers/gpu/drm/vc4/vc4_hdmi.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 25c9c71256d3..f05e2c95a60d 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -672,11 +672,21 @@ vc4_hdmi_connector_duplicate_state(struct drm_connector *connector) return &new_state->base; } +static void vc4_hdmi_connector_destroy_state(struct drm_connector *connector, + struct drm_connector_state *state) +{ + struct vc4_hdmi_connector_state *vc4_state = + conn_state_to_vc4_hdmi_conn_state(state); + + __drm_atomic_helper_connector_destroy_state(state); + kfree(vc4_state); +} + static const struct drm_connector_funcs vc4_hdmi_connector_funcs = { .fill_modes = drm_helper_probe_single_connector_modes, .reset = vc4_hdmi_connector_reset, .atomic_duplicate_state = vc4_hdmi_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, + .atomic_destroy_state = vc4_hdmi_connector_destroy_state, .atomic_get_property = vc4_hdmi_connector_get_property, .atomic_set_property = vc4_hdmi_connector_set_property, };