From 62d89a7d49afe46e6b9bbe9e23b004ad848dbde4 Mon Sep 17 00:00:00 2001
From: "Z. Liu" <liuzx@knownsec.com>
Date: Sun, 19 Dec 2021 02:00:35 +0800
Subject: [PATCH] video: fbdev: matroxfb: set maxvram of vbG200eW to the same as vbG200 to avoid black screen
Git-commit: 62d89a7d49afe46e6b9bbe9e23b004ad848dbde4
Patch-mainline: v5.18-rc1
References: git-fixes
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>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/video/fbdev/matrox/matroxfb_base.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c
index 5c82611e93d9..236521b19daf 100644
--- 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
--
2.31.1