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Fri, 16 Apr 2021 02:27:43 -0700 (PDT) From: Neil Armstrong To: jonas@kwiboo.se, jernej.skrabec@siol.net, robert.foss@linaro.org, Laurent.pinchart@ideasonboard.com Cc: dri-devel@lists.freedesktop.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Neil Armstrong Subject: [PATCH 2/2] drm/meson: dw-hdmi: disable DW-HDMI CEC sub-driver Date: Fri, 16 Apr 2021 11:27:37 +0200 Message-Id: <20210416092737.1971876-3-narmstrong@baylibre.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210416092737.1971876-1-narmstrong@baylibre.com> References: <20210416092737.1971876-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-Patch-Hashes: v=1; h=sha256; i=AIXqGHKTvAxrfKSlg1n3zbWJ5IG5DkS6Kb91/enRWC0=; m=2JvXyHbVOdgr08yx3xTtTb2RALrmH6WvCQut165FoNE=; p=ALx7NrZjStGjkcT7P2hXJBXnDsBMqDSSAFEUG8wpqV4=; g=4e6918702c99f2fd53451a77865692eeb1ce6f11 X-Patch-Sig: m=pgp; i=narmstrong@baylibre.com; s=0xA4CFF8AE; b=iQIzBAABCgAdFiEEPVPGJshWBf4d9CyLd9zb2sjISdEFAmB5WDsACgkQd9zb2sjISdEMNg//eHW wLuyr89JyKh095fVg/U17vGXWCLJ4CoUOcvalJ7GqQfF094VlAnboFML2V1x97mGiXL9dEWzIXIU7 njtgfXlKA0lczx6uhZMbkD6YoCRHxvLZ4I3oWcCl1hZnKlhUgysO7Kp5RPAGRVQgNxkopRLK5LBYo DqmIEfvh976jxGsRdydHIgt3xKSGYV9JLj57+PP6WbnD0MHOm5EJLRettmjVJl39NzW6kbvlZJxrz n/vbP1ydH7Mf11NeHGkzi24eCx79FuAbCKIFdfIoZREybjXGjoE9guX4LKHbrzznFx1H12emkMucS cZ6EDw8V0rEtZJBQnib6MllzAp2cSEsA07NTn8/m6SlDxFPh/ZyHKfgJisY2bclJAzgJAWyj+/oxl 1aliLRovtOP6qej39sYRMp8S9RBADFdmqamr+B2CbqH23odahkg2MbuSfm5X5tKeqOVlwsMnNMi+C NV9df8kcJvjTx/A7ypWeZdZNa4Lp84bRYKMXE1kGpBCz2HaWN6qQmEOaODqGyY/w/RADuPRcc6Yxc 8pqefJFUx7qK7YiV+gHcw7xI2z2FNcR+D+VTpSVHJNsOYMn2Up7wjyySgCZzOBGTgAwqkIBDeyccR brk9G1Fu3JQMrQqOlguW82Xz+kpfjxjAVsuszHdttk/bhsHqpvgjO+ka4JHEWzSE= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210416_022745_064284_258EE178 X-CRM114-Status: GOOD ( 11.04 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On the Amlogic SoCs, the DW-HDMI HW support is here but the DW-HDMI CEC signal is not connected to a physical pin, leading to confusion when the dw-hdmi cec controller can't communicate on the bus. Disable it to avoid exposing a non-functinal bus. Signed-off-by: Neil Armstrong --- drivers/gpu/drm/meson/meson_dw_hdmi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/meson/meson_dw_hdmi.c b/drivers/gpu/drm/meson/meson_dw_hdmi.c index aad75a22dc33..2ed87cfdd735 100644 --- a/drivers/gpu/drm/meson/meson_dw_hdmi.c +++ b/drivers/gpu/drm/meson/meson_dw_hdmi.c @@ -1103,6 +1103,7 @@ static int meson_dw_hdmi_bind(struct device *dev, struct device *master, dw_plat_data->phy_data = meson_dw_hdmi; dw_plat_data->input_bus_encoding = V4L2_YCBCR_ENC_709; dw_plat_data->ycbcr_420_allowed = true; + dw_plat_data->disable_cec = true; if (dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-gxl-dw-hdmi") || dw_hdmi_is_compatible(meson_dw_hdmi, "amlogic,meson-gxm-dw-hdmi") ||