Message ID | 20230415104613.61224-1-jernej.skrabec@gmail.com |
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[82.149.1.233]) by smtp.gmail.com with ESMTPSA id m15-20020a170906720f00b00947ab65d932sm3607034ejk.83.2023.04.15.03.47.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 15 Apr 2023 03:47:02 -0700 (PDT) From: Jernej Skrabec <jernej.skrabec@gmail.com> To: andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, wens@csie.org, samuel@sholland.org Cc: Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, airlied@gmail.com, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-media@vger.kernel.org, hverkuil-cisco@xs4all.nl, Jernej Skrabec <jernej.skrabec@gmail.com> Subject: [PATCH 0/3] drm/bridge: dw_hdmi: allow to disable CEC from DT Date: Sat, 15 Apr 2023 12:46:10 +0200 Message-Id: <20230415104613.61224-1-jernej.skrabec@gmail.com> X-Mailer: git-send-email 2.40.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1763241037404299510?= X-GMAIL-MSGID: =?utf-8?q?1763241037404299510?= |
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drm/bridge: dw_hdmi: allow to disable CEC from DT
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Message
Jernej Škrabec
April 15, 2023, 10:46 a.m. UTC
Boards can have perfectly working DW HDMI CEC implementation but they may prefer to use bit banged implementation instead. This is the situation on Beelink X2. Add DW HDMI DT property for disabling CEC. This prevents confusion on userspace side by not exposing unused CEC interface. Best regards, Jernej Jernej Skrabec (3): dt-bindings: display: synopsys,dw-hdmi: Add property for disabling CEC drm/bridge: dw_hdmi: Handle snps,disable-cec property ARM: dts: sun8i: h3: beelink-x2: Disable DW-HDMI CEC .../devicetree/bindings/display/bridge/synopsys,dw-hdmi.yaml | 5 +++++ arch/arm/boot/dts/sun8i-h3-beelink-x2.dts | 1 + drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 4 +++- 3 files changed, 9 insertions(+), 1 deletion(-)