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Mon, 29 Aug 2022 09:16:24 -0400 (EDT) From: Maxime Ripard To: Maxime Ripard , Ben Skeggs , David Airlie , Chen-Yu Tsai , Thomas Zimmermann , Jani Nikula , Lyude Paul , Philipp Zabel , Maarten Lankhorst , Rodrigo Vivi , Tvrtko Ursulin , Jernej Skrabec , Samuel Holland , Karol Herbst , =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= , Emma Anholt , Daniel Vetter , Joonas Lahtinen Subject: [PATCH v2 40/41] drm/sun4i: tv: Add missing reset assertion Date: Mon, 29 Aug 2022 15:11:54 +0200 Message-Id: <20220728-rpi-analog-tv-properties-v2-40-459522d653a7@cerno.tech> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> References: <20220728-rpi-analog-tv-properties-v2-0-459522d653a7@cerno.tech> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" X-Mailer: b4 0.10.0-dev-65ba7 X-Developer-Signature: v=1; a=openpgp-sha256; l=815; i=maxime@cerno.tech; h=from:subject:message-id; bh=r7LcpFs7qXcJi8XUdtLYEk3itduP1hTLzq2Bc5XOe7Q=; b=owGbwMvMwCX2+D1vfrpE4FHG02pJDMk8uxR5qjSTzZ5o7LpVE7xN9dyhQ549wbl2azjmXeU0dlrf 906/o5SFQYyLQVZMkSVG2HxJ3KlZrzvZ+ObBzGFlAhnCwMUpABOZpcDIcE9cdX7DrmXcxb/Y7f67c/ IXqTOzfJ62UcRzrd/Wc9/NHjH8s779wy7khmruMYsYS3e5B3z58Ssabv2u33eslvGSVa0bAwA= X-Developer-Key: i=maxime@cerno.tech; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D Content-Transfer-Encoding: quoted-printable 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: Dom Cobley , Dave Stevenson , nouveau@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@lists.linux.dev, Hans de Goede , Geert Uytterhoeven , Maxime Ripard , Mateusz Kwiatkowski , Phil Elwell , linux-arm-kernel@lists.infradead.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" The reset line is deasserted at bind, and asserted if we ever encounter an= =0D error there. However, it's never asserted in unbind which will lead to a=0D resource unbalance.=0D =0D Signed-off-by: Maxime Ripard =0D Reviewed-by: Jernej Skrabec =0D =0D diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i= _tv.c=0D index ad6a3739bfa9..74ff5ad6a8b9 100644=0D --- a/drivers/gpu/drm/sun4i/sun4i_tv.c=0D +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c=0D @@ -605,6 +605,7 @@ static void sun4i_tv_unbind(struct device *dev, struct = device *master,=0D drm_connector_cleanup(&tv->connector);=0D drm_encoder_cleanup(&tv->encoder);=0D clk_disable_unprepare(tv->clk);=0D + reset_control_assert(tv->reset);=0D }=0D =0D static const struct component_ops sun4i_tv_ops =3D {=0D =0D -- =0D b4 0.10.0-dev-65ba7=0D