The horizontal resolution (640) for the TT High video mode (1280x960) is
definitely bogus.  While fixing that, correct the timings to match the
TTM195 service manual.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
---
Untested on actual hardware.

v3:
  - Adjust pixclock from 7761 to 7760 to match 4 * 32.215905 MHz
    crystal oscillator frequency,
  - Make it part of a series.

v2[1]:
  - Use correct base.

[1] https://lore.kernel.org/r/20201101102759.2890612-1-geert@linux-m68k.org/ (local)
---
 drivers/video/fbdev/atafb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/video/fbdev/atafb.c b/drivers/video/fbdev/atafb.c
index e3812a8ff55a4fb8..a9f25cab4a1e6737 100644
--- a/drivers/video/fbdev/atafb.c
+++ b/drivers/video/fbdev/atafb.c

@@ -487,8 +487,8 @@ static struct fb_videomode atafb_modedb[] __initdata = {
 		"tt-mid", 60, 640, 480, 31041, 120, 100, 8, 16, 140, 30,
 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
 	}, {
-		/* 1280x960, 29 kHz, 60 Hz (TT high) */
-		"tt-high", 57, 640, 960, 31041, 120, 100, 8, 16, 140, 30,
+		/* 1280x960, 72 kHz, 72 Hz (TT high) */
+		"tt-high", 57, 1280, 960, 7760, 260, 60, 36, 4, 192, 4,
 		0, FB_VMODE_NONINTERLACED | FB_VMODE_YWRAP
 	},
 

-- 
2.25.1