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>
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2 changed files with 28 additions and 2 deletions
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@ -335,7 +335,20 @@ static int bfin_bf54x_fb_check_var(struct fb_var_screeninfo *var,
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struct fb_info *info)
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{
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if (var->bits_per_pixel != LCD_BPP) {
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switch (var->bits_per_pixel) {
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case 24:/* TRUECOLOUR, 16m */
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var->red.offset = 16;
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var->green.offset = 8;
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var->blue.offset = 0;
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var->red.length = var->green.length = var->blue.length = 8;
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var->transp.offset = 0;
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var->transp.length = 0;
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var->transp.msb_right = 0;
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var->red.msb_right = 0;
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var->green.msb_right = 0;
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var->blue.msb_right = 0;
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break;
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default:
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pr_debug("%s: depth not supported: %u BPP\n", __func__,
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var->bits_per_pixel);
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return -EINVAL;
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@ -254,7 +254,20 @@ static int bfin_t350mcqb_fb_check_var(struct fb_var_screeninfo *var,
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struct fb_info *info)
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{
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if (var->bits_per_pixel != LCD_BPP) {
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switch (var->bits_per_pixel) {
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case 24:/* TRUECOLOUR, 16m */
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var->red.offset = 0;
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var->green.offset = 8;
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var->blue.offset = 16;
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var->red.length = var->green.length = var->blue.length = 8;
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var->transp.offset = 0;
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var->transp.length = 0;
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var->transp.msb_right = 0;
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var->red.msb_right = 0;
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var->green.msb_right = 0;
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var->blue.msb_right = 0;
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break;
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default:
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pr_debug("%s: depth not supported: %u BPP\n", __func__,
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var->bits_per_pixel);
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return -EINVAL;
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