drm/panel: rm68200: fix mode to 50fps

Compute new timings to get a framerate of 50fps with a pixel clock
@54Mhz.

Signed-off-by: Yannick Fertre <yannick.fertre@st.com>
Tested-by: Philippe Cornu <philippe.cornu@st.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200925141618.12097-1-yannick.fertre@st.com

diff --git a/drivers/gpu/drm/panel/panel-raydium-rm68200.c b/drivers/gpu/drm/panel/panel-raydium-rm68200.c
index 2b9e48b..412c0db 100644 (file)
--- a/drivers/gpu/drm/panel/panel-raydium-rm68200.c
+++ b/drivers/gpu/drm/panel/panel-raydium-rm68200.c
@@ -82,15 +82,15 @@ struct rm68200 {
 };
 
 static const struct drm_display_mode default_mode = {
-       .clock = 52582,
+       .clock = 54000,
        .hdisplay = 720,
-       .hsync_start = 720 + 38,
-       .hsync_end = 720 + 38 + 8,
-       .htotal = 720 + 38 + 8 + 38,
+       .hsync_start = 720 + 48,
+       .hsync_end = 720 + 48 + 9,
+       .htotal = 720 + 48 + 9 + 48,
        .vdisplay = 1280,
        .vsync_start = 1280 + 12,
-       .vsync_end = 1280 + 12 + 4,
-       .vtotal = 1280 + 12 + 4 + 12,
+       .vsync_end = 1280 + 12 + 5,
+       .vtotal = 1280 + 12 + 5 + 12,
        .flags = 0,
        .width_mm = 68,
        .height_mm = 122,