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video/framebuffer: fix bug: jpegview cannot work on framebuffer device other than 16BPP 

Force fb_var_screeninfo color format on all Blackfin Framebuffer Drivers.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Cc: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Michael Hennerich 2009-01-15 13:50:46 -08:00 committed by Linus Torvalds
parent a342d215c2
commit b46578ed09
2 changed files with 28 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/video/bf54x-lq043fb.c
View File

@ -335,7 +335,20 @@ static int bfin_bf54x_fb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
if (var->bits_per_pixel != LCD_BPP) {
switch (var->bits_per_pixel) {
case 24:/* TRUECOLOUR, 16m */
var->red.offset = 16;
var->green.offset = 8;
var->blue.offset = 0;
var->red.length = var->green.length = var->blue.length = 8;
var->transp.offset = 0;
var->transp.length = 0;
var->transp.msb_right = 0;
var->red.msb_right = 0;
var->green.msb_right = 0;
var->blue.msb_right = 0;
break;
default:
pr_debug("%s: depth not supported: %u BPP\n", __func__,
var->bits_per_pixel);
return -EINVAL;

15
drivers/video/bfin-t350mcqb-fb.c
View File

@ -254,7 +254,20 @@ static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var,
struct fb_info *info)
{
if (var->bits_per_pixel != LCD_BPP) {
switch (var->bits_per_pixel) {
case 24:/* TRUECOLOUR, 16m */
var->red.offset = 0;
var->green.offset = 8;
var->blue.offset = 16;
var->red.length = var->green.length = var->blue.length = 8;
var->transp.offset = 0;
var->transp.length = 0;
var->transp.msb_right = 0;
var->red.msb_right = 0;
var->green.msb_right = 0;
var->blue.msb_right = 0;
break;
default:
pr_debug("%s: depth not supported: %u BPP\n", __func__,
var->bits_per_pixel);
return -EINVAL;