From 95099d4622f8cb224d94e314c7a8e0df60b13f87 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 08:38:01 +0000
Subject: [PATCH] enable docker ppp
---
kernel/drivers/video/fbdev/offb.c | 36 +++++++++++++++++++++---------------
1 files changed, 21 insertions(+), 15 deletions(-)
diff --git a/kernel/drivers/video/fbdev/offb.c b/kernel/drivers/video/fbdev/offb.c
index 77c0a2f..4501e84 100644
--- a/kernel/drivers/video/fbdev/offb.c
+++ b/kernel/drivers/video/fbdev/offb.c
@@ -141,6 +141,7 @@
/* Clear PALETTE_ACCESS_CNTL in DAC_CNTL */
out_le32(par->cmap_adr + 0x58,
in_le32(par->cmap_adr + 0x58) & ~0x20);
+ fallthrough;
case cmap_r128:
/* Set palette index & data */
out_8(par->cmap_adr + 0xb0, regno);
@@ -210,6 +211,7 @@
/* Clear PALETTE_ACCESS_CNTL in DAC_CNTL */
out_le32(par->cmap_adr + 0x58,
in_le32(par->cmap_adr + 0x58) & ~0x20);
+ fallthrough;
case cmap_r128:
/* Set palette index & data */
out_8(par->cmap_adr + 0xb0, i);
@@ -284,7 +286,7 @@
framebuffer_release(info);
}
-static struct fb_ops offb_ops = {
+static const struct fb_ops offb_ops = {
.owner = THIS_MODULE,
.fb_destroy = offb_destroy,
.fb_setcolreg = offb_setcolreg,
@@ -318,28 +320,28 @@
}
static void offb_init_palette_hacks(struct fb_info *info, struct device_node *dp,
- const char *name, unsigned long address)
+ unsigned long address)
{
struct offb_par *par = (struct offb_par *) info->par;
- if (dp && !strncmp(name, "ATY,Rage128", 11)) {
+ if (of_node_name_prefix(dp, "ATY,Rage128")) {
par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
if (par->cmap_adr)
par->cmap_type = cmap_r128;
- } else if (dp && (!strncmp(name, "ATY,RageM3pA", 12)
- || !strncmp(name, "ATY,RageM3p12A", 14))) {
+ } else if (of_node_name_prefix(dp, "ATY,RageM3pA") ||
+ of_node_name_prefix(dp, "ATY,RageM3p12A")) {
par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
if (par->cmap_adr)
par->cmap_type = cmap_M3A;
- } else if (dp && !strncmp(name, "ATY,RageM3pB", 12)) {
+ } else if (of_node_name_prefix(dp, "ATY,RageM3pB")) {
par->cmap_adr = offb_map_reg(dp, 2, 0, 0x1fff);
if (par->cmap_adr)
par->cmap_type = cmap_M3B;
- } else if (dp && !strncmp(name, "ATY,Rage6", 9)) {
+ } else if (of_node_name_prefix(dp, "ATY,Rage6")) {
par->cmap_adr = offb_map_reg(dp, 1, 0, 0x1fff);
if (par->cmap_adr)
par->cmap_type = cmap_radeon;
- } else if (!strncmp(name, "ATY,", 4)) {
+ } else if (of_node_name_prefix(dp, "ATY,")) {
unsigned long base = address & 0xff000000UL;
par->cmap_adr =
ioremap(base + 0x7ff000, 0x1000) + 0xcc0;
@@ -350,7 +352,7 @@
par->cmap_adr = offb_map_reg(dp, 0, 0x6000, 0x1000);
if (par->cmap_adr)
par->cmap_type = cmap_gxt2000;
- } else if (dp && !strncmp(name, "vga,Display-", 12)) {
+ } else if (of_node_name_prefix(dp, "vga,Display-")) {
/* Look for AVIVO initialized by SLOF */
struct device_node *pciparent = of_get_parent(dp);
const u32 *vid, *did;
@@ -419,9 +421,13 @@
var = &info->var;
info->par = par;
- strcpy(fix->id, "OFfb ");
- strncat(fix->id, name, sizeof(fix->id) - sizeof("OFfb "));
- fix->id[sizeof(fix->id) - 1] = '\0';
+ if (name) {
+ strcpy(fix->id, "OFfb ");
+ strncat(fix->id, name, sizeof(fix->id) - sizeof("OFfb "));
+ fix->id[sizeof(fix->id) - 1] = '\0';
+ } else
+ snprintf(fix->id, sizeof(fix->id), "OFfb %pOFn", dp);
+
var->xres = var->xres_virtual = width;
var->yres = var->yres_virtual = height;
@@ -434,7 +440,7 @@
par->cmap_type = cmap_unknown;
if (depth == 8)
- offb_init_palette_hacks(info, dp, name, address);
+ offb_init_palette_hacks(info, dp, address);
else
fix->visual = FB_VISUAL_TRUECOLOR;
@@ -642,9 +648,9 @@
}
#endif
/* kludge for valkyrie */
- if (strcmp(dp->name, "valkyrie") == 0)
+ if (of_node_name_eq(dp, "valkyrie"))
address += 0x1000;
- offb_init_fb(no_real_node ? "bootx" : dp->name,
+ offb_init_fb(no_real_node ? "bootx" : NULL,
width, height, depth, pitch, address,
foreign_endian, no_real_node ? NULL : dp);
}
--
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