arm-sdk/extra/patches/linux-n9-patches/0001-PATCHv2-2-8-drm-omap-a...

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From patchwork Thu Feb 8 18:30:29 2018
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Subject: [PATCHv2,2/8] drm/omap: add manual update detection helper
From: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
X-Patchwork-Id: 10207763
Message-Id: <20180208183035.8461-3-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 19:30:29 +0100
In preparation for manually updated display support, such as DSI
command mode panels, this adds a simple helper to see if a connector
is manually updated.
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Tested-by: Tony Lindgren <tony@atomide.com>
---
drivers/gpu/drm/omapdrm/omap_connector.c | 8 ++++++++
drivers/gpu/drm/omapdrm/omap_connector.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c
index a0d7b1d905e8..a33b51484b2d 100644
--- a/drivers/gpu/drm/omapdrm/omap_connector.c
+++ b/drivers/gpu/drm/omapdrm/omap_connector.c
@@ -57,6 +57,14 @@ bool omap_connector_get_hdmi_mode(struct drm_connector *connector)
return omap_connector->hdmi_mode;
}
+bool omap_connector_get_manually_updated(struct drm_connector *connector)
+{
+ struct omap_connector *omap_connector = to_omap_connector(connector);
+
+ return !!(omap_connector->dssdev->caps &
+ OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE);
+}
+
static enum drm_connector_status omap_connector_detect(
struct drm_connector *connector, bool force)
{
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.h b/drivers/gpu/drm/omapdrm/omap_connector.h
index 98bbc779b302..652136d167f5 100644
--- a/drivers/gpu/drm/omapdrm/omap_connector.h
+++ b/drivers/gpu/drm/omapdrm/omap_connector.h
@@ -33,5 +33,6 @@ struct drm_connector *omap_connector_init(struct drm_device *dev,
struct drm_encoder *omap_connector_attached_encoder(
struct drm_connector *connector);
bool omap_connector_get_hdmi_mode(struct drm_connector *connector);
+bool omap_connector_get_manually_updated(struct drm_connector *connector);
#endif /* __OMAPDRM_CONNECTOR_H__ */