drm/panel: simple: Tweak timings of sharp,ls020b1dd01d for perfect 60Hz

Modify the video mode in order to obtain a perfect 60.00 Hz frame rate
using a 3 MHz pixel clock.

Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200811002240.55194-5-paul@crapouillou.net

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 9c791d6..1df8f1f 100644 (file)
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -3400,15 +3400,15 @@ static const struct panel_desc sharp_lq123p1jx31 = {
 
 static const struct drm_display_mode sharp_ls020b1dd01d_modes[] = {
        { /* 60 Hz */
-               .clock = 4200,
+               .clock = 3000,
                .hdisplay = 240,
-               .hsync_start = 240 + 66,
-               .hsync_end = 240 + 66 + 1,
-               .htotal = 240 + 66 + 1 + 1,
+               .hsync_start = 240 + 8,
+               .hsync_end = 240 + 8 + 1,
+               .htotal = 240 + 8 + 1 + 1,
                .vdisplay = 160,
-               .vsync_start = 160 + 52,
-               .vsync_end = 160 + 52 + 10,
-               .vtotal = 160 + 52 + 10 + 6,
+               .vsync_start = 160 + 24,
+               .vsync_end = 160 + 24 + 10,
+               .vtotal = 160 + 24 + 10 + 6,
                .flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC,
        },
 };