video: fbdev: matroxfb: set maxvram of vbG200eW to the same as vbG200 to avoid black...

BugLink: https://bugs.launchpad.net/bugs/1969110
[ Upstream commit 62d89a7d49afe46e6b9bbe9e23b004ad848dbde4 ]

Start from commit 11be60bd66d54 "matroxfb: add Matrox MGA-G200eW board
support", when maxvram is 0x800000, monitor become black w/ error message
said: "The current input timing is not supported by the monitor display.
Please change your input timing to 1920x1080@60Hz ...".

Fixes: 11be60bd66d5 ("matroxfb: add Matrox MGA-G200eW board support")
Signed-off-by: Z. Liu <liuzx@knownsec.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
(cherry picked from commit 02684dd833327ebe7abb995dbd8c8d904c83bc3a)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>

diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c
index 5c82611e93d9950d2d6f1a44ac5d0aedc061e40a..236521b19daf7799f76a219585f827aeba385eaf 100644 (file)
--- a/drivers/video/fbdev/matrox/matroxfb_base.c
+++ b/drivers/video/fbdev/matrox/matroxfb_base.c
@@ -1377,7 +1377,7 @@ static struct video_board vbG200 = {
        .lowlevel = &matrox_G100
 };
 static struct video_board vbG200eW = {
-       .maxvram = 0x800000,
+       .maxvram = 0x100000,
        .maxdisplayable = 0x800000,
        .accelID = FB_ACCEL_MATROX_MGAG200,
        .lowlevel = &matrox_G100