[v4,3/6] drm/bridge: sii902x: pixel clock unit is 10kHz instead of 1kHz

Message ID 1397764427dcf0603d14165cf500ff614de2231e.1552562385.git.jsarha@ti.com
State Superseded
Headers show
Series
  • drm/bridge: sii902x: HDMI-audio support and some fixes
Related show

Commit Message

Jyri Sarha March 14, 2019, 11:27 a.m.
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@ti.com>
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 drivers/gpu/drm/bridge/sii902x.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index 0e21fa419d27..1d99108440c1 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;