arm-sdk/extra/patches/linux-n9-patches/0001-PATCHv2-6-8-drm-omap-p...

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From patchwork Thu Feb 8 18:30:33 2018
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Subject: [PATCHv2,6/8] drm/omap: panel-dsi-cm: add orientation support
From: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
X-Patchwork-Id: 10207747
Message-Id: <20180208183035.8461-7-sebastian.reichel@collabora.co.uk>
To: Sebastian Reichel <sre@kernel.org>,
Tomi Valkeinen <tomi.valkeinen@ti.com>, Tony Lindgren <tony@atomide.com>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Hans de Goede <hdegoede@redhat.com>, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel@collabora.com, Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Date: Thu, 8 Feb 2018 19:30:33 +0100
Add support to inform the DRM subsystem about the orientation
the display has been mounted to the casing.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
---
drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
index 15399a1a666b..7a63d6775a27 100644
--- a/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
+++ b/drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c
@@ -68,6 +68,7 @@ struct panel_drv_data {
int width_mm;
int height_mm;
+ int orientation;
struct omap_dsi_pin_config pin_config;
@@ -1198,6 +1199,14 @@ static void dsicm_get_size(struct omap_dss_device *dssdev,
*height = ddata->height_mm;
}
+static void dsicm_get_orientation(struct omap_dss_device *dssdev,
+ int *orientation)
+{
+ struct panel_drv_data *ddata = to_panel_data(dssdev);
+
+ *orientation = ddata->orientation;
+}
+
static struct omap_dss_driver dsicm_ops = {
.connect = dsicm_connect,
.disconnect = dsicm_disconnect,
@@ -1211,6 +1220,7 @@ static struct omap_dss_driver dsicm_ops = {
.get_timings = dsicm_get_timings,
.check_timings = dsicm_check_timings,
.get_size = dsicm_get_size,
+ .get_orientation = dsicm_get_orientation,
.enable_te = dsicm_enable_te,
.get_te = dsicm_get_te,
@@ -1259,6 +1269,9 @@ static int dsicm_probe_of(struct platform_device *pdev)
ddata->height_mm = 0;
of_property_read_u32(node, "height-mm", &ddata->height_mm);
+ ddata->orientation = DRM_MODE_PANEL_ORIENTATION_UNKNOWN;
+ of_property_read_u32(node, "orientation", &ddata->orientation);
+
in = omapdss_of_find_source_for_first_ep(node);
if (IS_ERR(in)) {
dev_err(&pdev->dev, "failed to find video source\n");