drm: rcar-du: lvds: Fix LVDS startup on R-Car Gen3

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According to the latest revisions of the R-Car Gen3 manual, the LVDS mode
must be set before the LVDS I/O pins are enabled, not after -- fix the
Gen3 LVDS startup sequence accordingly.

Fixes: e947eccbeb ("drm: rcar-du: Add support for LVDS mode selection")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[Updated comment in rcar_du_lvdsenc_start_gen3()]
[Moved Gen2 startup comment update to separate commit]
[Fixed =| typo]
Tested-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

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Sergei Shtylyov 2018-01-12 23:12:04 +03:00 • committed by Laurent Pinchart

parent 8525d04ba8

commit 796ceb9269

1 changed files with 5 additions and 2 deletions

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drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c

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