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>

diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
index 85043c5bad032d8c746726e490d25eb65dcafb9c..5188972a6a026de948ff3655c2a43f5f4e796c52 100644 (file)
--- a/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
@@ -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;