[PATCH v6 3/6] drm/bridge: sii902x: pixel clock unit is 10kHz instead of 1kHz
Jyri Sarha
jsarha at ti.com
Tue Apr 2 07:29:12 UTC 2019
The pixel clock unit in the first two registers (0x00 and 0x01) of
sii9022 is 10kHz, not 1kHz as in struct drm_display_mode. Division by
10 fixes the issue.
Signed-off-by: Jyri Sarha <jsarha at ti.com>
Reviewed-by: Andrzej Hajda <a.hajda at samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
drivers/gpu/drm/bridge/sii902x.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index f73eaa6d729a..358cf81c5ea4 100644
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -248,10 +248,11 @@ static void sii902x_bridge_mode_set(struct drm_bridge *bridge,
struct regmap *regmap = sii902x->regmap;
u8 buf[HDMI_INFOFRAME_SIZE(AVI)];
struct hdmi_avi_infoframe frame;
+ u16 pixel_clock_10kHz = adj->clock / 10;
int ret;
- buf[0] = adj->clock;
- buf[1] = adj->clock >> 8;
+ buf[0] = pixel_clock_10kHz & 0xff;
+ buf[1] = pixel_clock_10kHz >> 8;
buf[2] = adj->vrefresh;
buf[3] = 0x00;
buf[4] = adj->hdisplay;
--
Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
More information about the dri-devel
mailing list