DART-6UL 128MB DRAM

From Variscite Wiki
Revision as of 19:35, 6 June 2023 by Alex (talk | contribs) (Add category Debian)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
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)