DART-6UL 128MB DRAM: Difference between revisions
From Variscite Wiki
(Initial version) |
(Add category Debian) |
||
| (4 intermediate revisions by 2 users not shown) | |||
| Line 1: | Line 1: | ||
{{PageHeader|DART-6UL - 128MB DRAM}} {{DocImage|category1=Yocto|category2=Debian}} [[category:DART-6UL]] | |||
= Using LCD display = | = Using LCD display = | ||
On SOMs with 128MB DRAM apply the following patch to the Linux kernel source to fix framebuffer memory allocation: | |||
<syntaxhighlight lang="diff"> | <syntaxhighlight lang="diff"> | ||
| Line 16: | Line 17: | ||
/* Memory allocation for framebuffer */ | /* Memory allocation for framebuffer */ | ||
if (mxsfb_map_videomem(fb_info) < 0) | if (mxsfb_map_videomem(fb_info) < 0) | ||
</syntaxhighlight> | |||
Latest revision as of 19:35, 6 June 2023
DART-6UL - 128MB DRAM
Using LCD display
On SOMs with 128MB DRAM apply the following patch to the Linux kernel source to fix framebuffer memory allocation:
diff --git a/drivers/video/fbdev/mxsfb.c b/drivers/video/fbdev/mxsfb.c
index deec998..dd2f481 100644
--- a/drivers/video/fbdev/mxsfb.c
+++ b/drivers/video/fbdev/mxsfb.c
@@ -1249,7 +1249,7 @@ static int mxsfb_init_fbinfo(struct mxsfb_info *host)
fb_info->fix.line_length =
fb_info->var.xres * (fb_info->var.bits_per_pixel >> 3);
- fb_info->fix.smem_len = SZ_32M;
+ fb_info->fix.smem_len = SZ_16M;
/* Memory allocation for framebuffer */
if (mxsfb_map_videomem(fb_info) < 0)