From 05e59e5fb0064c97a1c10921ecd549f2d4a58565 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:14:40 +0000
Subject: [PATCH] add REDIRECT
---
kernel/drivers/video/fbdev/intelfb/intelfbdrv.c | 14 ++++++++------
1 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/kernel/drivers/video/fbdev/intelfb/intelfbdrv.c b/kernel/drivers/video/fbdev/intelfb/intelfbdrv.c
index d7463a2..8a703ad 100644
--- a/kernel/drivers/video/fbdev/intelfb/intelfbdrv.c
+++ b/kernel/drivers/video/fbdev/intelfb/intelfbdrv.c
@@ -193,7 +193,7 @@
static int num_registered = 0;
/* fb ops */
-static struct fb_ops intel_fb_ops = {
+static const struct fb_ops intel_fb_ops = {
.owner = THIS_MODULE,
.fb_open = intelfb_open,
.fb_release = intelfb_release,
@@ -491,10 +491,9 @@
}
info = framebuffer_alloc(sizeof(struct intelfb_info), &pdev->dev);
- if (!info) {
- ERR_MSG("Could not allocate memory for intelfb_info.\n");
- return -ENODEV;
- }
+ if (!info)
+ return -ENOMEM;
+
if (fb_alloc_cmap(&info->cmap, 256, 1) < 0) {
ERR_MSG("Could not allocate cmap for intelfb_info.\n");
goto err_out_cmap;
@@ -655,7 +654,7 @@
}
dinfo->mmio_base =
- (u8 __iomem *)ioremap_nocache(dinfo->mmio_base_phys,
+ (u8 __iomem *)ioremap(dinfo->mmio_base_phys,
INTEL_REG_SIZE);
if (!dinfo->mmio_base) {
ERR_MSG("Cannot remap MMIO region.\n");
@@ -1215,6 +1214,9 @@
dinfo = GET_DINFO(info);
+ if (!var->pixclock)
+ return -EINVAL;
+
/* update the pitch */
if (intelfbhw_validate_mode(dinfo, var) != 0)
return -EINVAL;
--
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