summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/tilcdc/tilcdc_drv.c
diff options
context:
space:
mode:
authorDarren Etheridge <detheridge@ti.com>2013-06-21 13:52:23 -0500
committerDave Airlie <airlied@redhat.com>2013-06-28 09:12:23 +1000
commit4e5643468715260209e42b715e8cd9643456d2bd (patch)
treebe1c3dace6b7c53cfe8b928acca2f13ffe79f487 /drivers/gpu/drm/tilcdc/tilcdc_drv.c
parent6bf02c66b97379609a05bc715b96f874f2cefb33 (diff)
drm/tilcdc: adding some more devicetree config
Adding support for max-pixelclock and max-width device tree entries. As some devices that use the tilcdc hardware module have restrictions on the allowed/tested values. Also update DT bindings document to reflect new parameters. Signed-off-by: Darren Etheridge <detheridge@ti.com> Acked-by: Rob Clark <robdclark@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/tilcdc/tilcdc_drv.c')
-rw-r--r--drivers/gpu/drm/tilcdc/tilcdc_drv.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
index f2a6528ddef0..1e8f273f7c8b 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c
@@ -212,7 +212,20 @@ static int tilcdc_load(struct drm_device *dev, unsigned long flags)
#endif
if (of_property_read_u32(node, "max-bandwidth", &priv->max_bandwidth))
- priv->max_bandwidth = 1280 * 1024 * 60;
+ priv->max_bandwidth = TILCDC_DEFAULT_MAX_BANDWIDTH;
+
+ DBG("Maximum Bandwidth Value %d", priv->max_bandwidth);
+
+ if (of_property_read_u32(node, "ti,max-width", &priv->max_width))
+ priv->max_width = TILCDC_DEFAULT_MAX_WIDTH;
+
+ DBG("Maximum Horizontal Pixel Width Value %dpixels", priv->max_width);
+
+ if (of_property_read_u32(node, "ti,max-pixelclock",
+ &priv->max_pixelclock))
+ priv->max_pixelclock = TILCDC_DEFAULT_MAX_PIXELCLOCK;
+
+ DBG("Maximum Pixel Clock Value %dKHz", priv->max_pixelclock);
pm_runtime_enable(dev->dev);