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3 commits

Author SHA1 Message Date
Laurent Pinchart 5cca30ebe0 drm/rcar-du: Add LVDS_LANES quirk 
LVDS lanes 1 and 3 are switched in ES1 hardware (R8A7790). The problem
has been fixed in newer revisions, add a quirk to make the workaround
selectable.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
 2013-12-02 01:27:28 +01:00
Wei Yongjun c8ca9d6aa6 drm/rcar-du: fix return value check in rcar_du_lvdsenc_get_resources() 
In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should be
replaced with IS_ERR(). Also remove the dev_err call to avoid redundant
error message.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
 2013-12-02 01:27:24 +01:00
Laurent Pinchart 90374b5c25 drm/rcar-du: Add internal LVDS encoder support 
The R8A7790 includes two internal LVDS encoders. Support them in the DU
driver.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
 2013-08-09 23:17:53 +02:00