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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id c14sm24006398wro.36.2020.03.04.02.40.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Mar 2020 02:40:59 -0800 (PST) From: Neil Armstrong To: p.zabel@pengutronix.de, heiko@sntech.de, a.hajda@samsung.com, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@siol.net, boris.brezillon@collabora.com Cc: linux-amlogic@lists.infradead.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Neil Armstrong , Laurent Pinchart Subject: [PATCH v5 02/11] drm/bridge: dw-hdmi: add max bpc connector property Date: Wed, 4 Mar 2020 11:40:43 +0100 Message-Id: <20200304104052.17196-3-narmstrong@baylibre.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200304104052.17196-1-narmstrong@baylibre.com> References: <20200304104052.17196-1-narmstrong@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jonas Karlman Add the max_bpc property to the dw-hdmi connector to prepare support for 10, 12 & 16bit output support. Signed-off-by: Jonas Karlman Signed-off-by: Neil Armstrong Reviewed-by: Laurent Pinchart Reviewed-by: Jernej Škrabec --- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c index 10f98c9ee77e..e097f60e6431 100644 --- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi.c @@ -2414,6 +2414,14 @@ static int dw_hdmi_bridge_attach(struct drm_bridge *bridge, DRM_MODE_CONNECTOR_HDMIA, hdmi->ddc); + /* + * drm_connector_attach_max_bpc_property() requires the + * connector to have a state. + */ + drm_atomic_helper_connector_reset(connector); + + drm_connector_attach_max_bpc_property(connector, 8, 16); + if (hdmi->version >= 0x200a && hdmi->plat_data->use_drm_infoframe) drm_object_attach_property(&connector->base, connector->dev->mode_config.hdr_output_metadata_property, 0); -- 2.22.0