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authorJyri Sarha <jsarha@ti.com>2019-05-27 16:47:54 +0300
committerAndrzej Hajda <a.hajda@samsung.com>2019-05-31 15:57:19 +0200
commit8dbfc5b65023b67397aca28e8adb25c819f6398c (patch)
tree4fb69c90dd31bfcca16b91d2bfc386bd2b935fd6 /drivers/gpu/drm/bridge/sii902x.c
parentbceee9bb894887ac38fae0f3f784dad4302114fd (diff)
drm/bridge: sii902x: pixel clock unit is 10kHz instead of 1kHz
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> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/1a2a8eae0b9d6333e7a5841026bf7fd65c9ccd09.1558964241.git.jsarha@ti.com
Diffstat (limited to 'drivers/gpu/drm/bridge/sii902x.c')
-rw-r--r--drivers/gpu/drm/bridge/sii902x.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c
index 2ced4f404cae..beb200141d1d 100644
--- a/drivers/gpu/drm/bridge/sii902x.c
+++ b/drivers/gpu/drm/bridge/sii902x.c
@@ -249,10 +249,11 @@ 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;