drm: rcar-du: lvds: Fix PLL frequency-related configuration

commit 5e1ac3bdc6bbb4f378251b87625b8acfbfc4ae82 upstream.

The frequency checks don't match the datasheet, fix them.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Thong Ho <thong.ho.px@rvc.renesas.com>
Signed-off-by: Nhan Nguyen <nhan.nguyen.yb@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Laurent Pinchart 2015-09-07 16:03:25 +03:00 committed by Greg Kroah-Hartman
parent 3416ee45a8
commit 2b60c153ff

View file

@ -56,11 +56,11 @@ static int rcar_du_lvdsenc_start(struct rcar_du_lvdsenc *lvds,
return ret;
/* PLL clock configuration */
if (freq <= 38000)
if (freq < 39000)
pllcr = LVDPLLCR_CEEN | LVDPLLCR_COSEL | LVDPLLCR_PLLDLYCNT_38M;
else if (freq <= 60000)
else if (freq < 61000)
pllcr = LVDPLLCR_CEEN | LVDPLLCR_COSEL | LVDPLLCR_PLLDLYCNT_60M;
else if (freq <= 121000)
else if (freq < 121000)
pllcr = LVDPLLCR_CEEN | LVDPLLCR_COSEL | LVDPLLCR_PLLDLYCNT_121M;
else
pllcr = LVDPLLCR_PLLDLYCNT_150M;