[PATCH 4.4 25/53] drm: rcar-du: lvds: Fix PLL frequency-related configuration
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2017-08-28 08:14:35
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4.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> 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 <redacted> Signed-off-by: Nhan Nguyen <redacted> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- 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 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;