From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/video/fbdev/stifb.c | 28 ++++++++++++++++++++++++++++
1 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/video/fbdev/stifb.c b/kernel/drivers/video/fbdev/stifb.c
index 3feb6e4..63f5178 100644
--- a/kernel/drivers/video/fbdev/stifb.c
+++ b/kernel/drivers/video/fbdev/stifb.c
@@ -922,6 +922,28 @@
/* ------------------- driver specific functions --------------------------- */
static int
+stifb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
+{
+ struct stifb_info *fb = container_of(info, struct stifb_info, info);
+
+ if (var->xres != fb->info.var.xres ||
+ var->yres != fb->info.var.yres ||
+ var->bits_per_pixel != fb->info.var.bits_per_pixel)
+ return -EINVAL;
+
+ var->xres_virtual = var->xres;
+ var->yres_virtual = var->yres;
+ var->xoffset = 0;
+ var->yoffset = 0;
+ var->grayscale = fb->info.var.grayscale;
+ var->red.length = fb->info.var.red.length;
+ var->green.length = fb->info.var.green.length;
+ var->blue.length = fb->info.var.blue.length;
+
+ return 0;
+}
+
+static int
stifb_setcolreg(u_int regno, u_int red, u_int green,
u_int blue, u_int transp, struct fb_info *info)
{
@@ -1145,6 +1167,7 @@
static const struct fb_ops stifb_ops = {
.owner = THIS_MODULE,
+ .fb_check_var = stifb_check_var,
.fb_setcolreg = stifb_setcolreg,
.fb_blank = stifb_blank,
.fb_fillrect = stifb_fillrect,
@@ -1164,6 +1187,7 @@
struct stifb_info *fb;
struct fb_info *info;
unsigned long sti_rom_address;
+ char modestr[32];
char *dev_name;
int bpp, xres, yres;
@@ -1342,6 +1366,9 @@
info->flags = FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT;
info->pseudo_palette = &fb->pseudo_palette;
+ scnprintf(modestr, sizeof(modestr), "%dx%d-%d", xres, yres, bpp);
+ fb_find_mode(&info->var, info, modestr, NULL, 0, NULL, bpp);
+
/* This has to be done !!! */
if (fb_alloc_cmap(&info->cmap, NR_PALETTE, 0))
goto out_err1;
@@ -1386,6 +1413,7 @@
iounmap(info->screen_base);
out_err0:
kfree(fb);
+ sti->info = NULL;
return -ENXIO;
}
--
Gitblit v1.6.2