[PATCH 01/11] video: ramfb: fix frame buffer screen size
Ahmad Fatoum
a.fatoum at pengutronix.de
Thu Mar 13 03:17:18 PDT 2025
struct fb_info::screen_size is in units of bytes, but we allocated 8
times as much so far, because of bits vs bytes confusion.
Signed-off-by: Ahmad Fatoum <a.fatoum at pengutronix.de>
---
drivers/video/ramfb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/video/ramfb.c b/drivers/video/ramfb.c
index 45b75e890c59..5b03d8a9c821 100644
--- a/drivers/video/ramfb.c
+++ b/drivers/video/ramfb.c
@@ -86,7 +86,7 @@ static int ramfb_activate_var(struct fb_info *fbi)
dma_free_coherent(DMA_DEVICE_BROKEN,
fbi->screen_base, ramfb->screen_dma, fbi->screen_size);
- fbi->screen_size = fbi->xres * fbi->yres * fbi->bits_per_pixel;
+ fbi->screen_size = fbi->xres * fbi->yres * fbi->bits_per_pixel / BITS_PER_BYTE;
fbi->screen_base = dma_alloc_coherent(DMA_DEVICE_BROKEN,
fbi->screen_size, &ramfb->screen_dma);
--
2.39.5
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