From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andy Yan <andy.yan@rock-chips.com>
Subject: [PATCH v18 08/12] drm: bridge/dw_hdmi: add mode_valid support
Date: Fri,  5 Dec 2014 14:30:21 +0800
Message-ID: <1417761021-17240-1-git-send-email-andy.yan@rock-chips.com>
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To: airlied@linux.ie, Philipp Zabel <p.zabel@pengutronix.de>, heiko@sntech.de, fabio.estevam@freescale.com, rmk+kernel@arm.linux.org.uk
Cc: Mark Rutland <mark.rutland@arm.com>, dri-devel@lists.freedesktop.org, ykk@rock-chips.com, devel@driverdev.osuosl.org, Arnd Bergmann <arnd@arndb.de>, linux-rockchip@lists.infradead.org, Grant Likely <grant.likely@linaro.org>, Dave Airlie <airlied@redhat.com>, jay.xu@rock-chips.com, devicetree@vger.kernel.org, Zubair.Kakakhel@imgtec.com, Pawel Moll <pawel.moll@arm.com>, Ian Campbell <ijc+devicetree@hellion.org.uk>, Inki Dae <inki.dae@samsung.com>, Rob Herring <robh+dt@kernel.org>, Sean Paul <seanpaul@chromium.org>, mark.yao@rock-chips.com, Josh Boyer <jwboyer@redhat.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-kernel@vger.kernel.org, djkurtz@google.com, Kumar Gala <galak@codeaurora.org>, Andy Yan <andy.yan@rock-chips.com>, Shawn Guo <shawn.guo@linaro.org>, vladimir_zapolskiy@mentor.com, Lucas Stach <l.stach@pengutronix.de>
List-Id: devicetree@vger.kernel.org

some platform may not support all the display mode,
add mode_valid interface check it

Signed-off-by: Andy Yan <andy.yan@rock-chips.com>

---

Changes in v18: None
Changes in v17: None
Changes in v16: None
Changes in v15: None
Changes in v14:
- remove drm_connector_register, because imx-drm core has registered
connector

Changes in v13: None
Changes in v12: None
Changes in v11: None
Changes in v10: None
Changes in v9: None
Changes in v8: None
Changes in v7: None
Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None

 drivers/gpu/drm/bridge/dw_hdmi.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
index d49861c..d5bec0c 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.c
+++ b/drivers/gpu/drm/bridge/dw_hdmi.c
@@ -1405,6 +1405,20 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector)
 	return 0;
 }
 
+static enum drm_mode_status
+dw_hdmi_connector_mode_valid(struct drm_connector *connector,
+			     struct drm_display_mode *mode)
+{
+	struct dw_hdmi *hdmi = container_of(connector,
+					   struct dw_hdmi, connector);
+	enum drm_mode_status mode_status = MODE_OK;
+
+	if (hdmi->plat_data->mode_valid)
+		mode_status = hdmi->plat_data->mode_valid(connector, mode);
+
+	return mode_status;
+}
+
 static struct drm_encoder *dw_hdmi_connector_best_encoder(struct drm_connector
 							   *connector)
 {
@@ -1429,6 +1443,7 @@ static struct drm_connector_funcs dw_hdmi_connector_funcs = {
 
 static struct drm_connector_helper_funcs dw_hdmi_connector_helper_funcs = {
 	.get_modes = dw_hdmi_connector_get_modes,
+	.mode_valid = dw_hdmi_connector_mode_valid,
 	.best_encoder = dw_hdmi_connector_best_encoder,
 };
 
-- 
1.9.1