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[79.139.237.54]) by smtp.gmail.com with ESMTPSA id x3sm235100ljc.82.2020.06.17.16.20.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jun 2020 16:20:17 -0700 (PDT) From: Dmitry Osipenko To: Thierry Reding , Thomas Zimmermann , Derek Basehore , Sam Ravnborg , Laurent Pinchart , Sean Paul , Daniel Vetter , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Emil Velikov , Daniel Stone Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v11 4/4] drm/panel-simple: Read panel orientation Date: Thu, 18 Jun 2020 02:18:42 +0300 Message-Id: <20200617231842.30671-5-digetx@gmail.com> X-Mailer: git-send-email 2.26.0 In-Reply-To: <20200617231842.30671-1-digetx@gmail.com> References: <20200617231842.30671-1-digetx@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The panel orientation needs to parsed from a device-tree and assigned to the panel's connector in order to make orientation property available to userspace. That's what this patch does for the panel-simple driver. Signed-off-by: Dmitry Osipenko --- drivers/gpu/drm/panel/panel-simple.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 6764ac630e22..2dee1320216c 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -112,6 +112,8 @@ struct panel_simple { struct gpio_desc *hpd_gpio; struct drm_display_mode override_mode; + + enum drm_panel_orientation orientation; }; static inline struct panel_simple *to_panel_simple(struct drm_panel *panel) @@ -371,6 +373,9 @@ static int panel_simple_get_modes(struct drm_panel *panel, /* add hard-coded panel modes */ num += panel_simple_get_non_edid_modes(p, connector); + /* set up connector's "panel orientation" property */ + drm_connector_set_panel_orientation(connector, p->orientation); + return num; } @@ -530,6 +535,12 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc) return err; } + err = of_drm_get_panel_orientation(dev->of_node, &panel->orientation); + if (err) { + dev_err(dev, "failed to parse rotation property: %d\n", err); + return err; + } + ddc = of_parse_phandle(dev->of_node, "ddc-i2c-bus", 0); if (ddc) { panel->ddc = of_find_i2c_adapter_by_node(ddc); -- 2.26.0