diff options
Diffstat (limited to 'drivers/gpu/drm/mxsfb/mxsfb_drv.c')
| -rw-r--r-- | drivers/gpu/drm/mxsfb/mxsfb_drv.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c b/drivers/gpu/drm/mxsfb/mxsfb_drv.c index d9801bdcaf40..1a12f5e1bd13 100644 --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c @@ -56,6 +56,9 @@ enum mxsfb_devtype { MXSFB_V4, }; +/* default output bus width */ +#define MXSFB_DEFAULT_BUS_WIDTH 24 + /* * When adding new formats, make sure to update the num_formats from * mxsfb_devdata below. @@ -415,6 +418,7 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags) struct mxsfb_drm_private *mxsfb; struct resource *res; u32 max_res[2] = {0, 0}; + u32 bus_width = MXSFB_DEFAULT_BUS_WIDTH; int ret; mxsfb = devm_kzalloc(&pdev->dev, sizeof(*mxsfb), GFP_KERNEL); @@ -510,6 +514,10 @@ static int mxsfb_load(struct drm_device *drm, unsigned long flags) } } + /* bus width is needed to set up correct bus format */ + of_property_read_u32(drm->dev->of_node, "bus-width", &bus_width); + mxsfb->bus_width = bus_width; + of_property_read_u32_array(drm->dev->of_node, "max-res", &max_res[0], 2); if (!max_res[0]) |