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>

2 files changed, 28 insertions, 2 deletions

diff --git a/drivers/video/bf54x-lq043fb.c b/drivers/video/bf54x-lq043fb.c
index 7644ed249564..37e60b1d2ed9 100644
--- a/drivers/video/bf54x-lq043fb.c
+++ b/drivers/video/bf54x-lq043fb.c
@@ -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;
diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c
index a9b3ada05d99..2a423d3a2a8e 100644
--- a/drivers/video/bfin-t350mcqb-fb.c
+++ b/drivers/video/bfin-t350mcqb-fb.c
@@ -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;