diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.10/0167-bcm2708fb-Allow-swapping-of-red-blue-in-24-32-modes.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-3.10/0167-bcm2708fb-Allow-swapping-of-red-blue-in-24-32-modes.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.10/0167-bcm2708fb-Allow-swapping-of-red-blue-in-24-32-modes.patch b/target/linux/brcm2708/patches-3.10/0167-bcm2708fb-Allow-swapping-of-red-blue-in-24-32-modes.patch new file mode 100644 index 0000000..5636c44 --- /dev/null +++ b/target/linux/brcm2708/patches-3.10/0167-bcm2708fb-Allow-swapping-of-red-blue-in-24-32-modes.patch @@ -0,0 +1,57 @@ +From 4e0660161587681630da35f525cacf17bed58795 Mon Sep 17 00:00:00 2001 +From: popcornmix <popcornmix@gmail.com> +Date: Wed, 12 Feb 2014 12:01:56 +0000 +Subject: [PATCH 167/174] bcm2708fb: Allow swapping of red/blue in 24/32 modes + +--- + drivers/video/bcm2708_fb.c | 14 +++++++++++--- + 1 file changed, 11 insertions(+), 3 deletions(-) + +--- a/drivers/video/bcm2708_fb.c ++++ b/drivers/video/bcm2708_fb.c +@@ -53,6 +53,7 @@ static u32 dma_busy_wait_threshold = 1<< + module_param(dma_busy_wait_threshold, int, 0644); + MODULE_PARM_DESC(dma_busy_wait_threshold, "Busy-wait for DMA completion below this area"); + ++static int fbswap = 0; /* module parameter */ + + /* this data structure describes each frame buffer device we find */ + +@@ -185,7 +186,12 @@ static int bcm2708_fb_set_bitfields(stru + * encoded in the pixel data. Calculate their position from + * the bitfield length defined above. + */ +- if (ret == 0 && var->bits_per_pixel >= 24) { ++ if (ret == 0 && var->bits_per_pixel >= 24 && fbswap) { ++ var->blue.offset = 0; ++ var->green.offset = var->blue.offset + var->blue.length; ++ var->red.offset = var->green.offset + var->green.length; ++ var->transp.offset = var->red.offset + var->red.length; ++ } else if (ret == 0 && var->bits_per_pixel >= 24) { + var->red.offset = 0; + var->green.offset = var->red.offset + var->red.length; + var->blue.offset = var->green.offset + var->green.length; +@@ -618,8 +624,8 @@ static int bcm2708_fb_register(struct bc + + fb_set_var(&fb->fb, &fb->fb.var); + +- print_debug("BCM2708FB: registering framebuffer (%dx%d@%d)\n", fbwidth, +- fbheight, fbdepth); ++ print_debug("BCM2708FB: registering framebuffer (%dx%d@%d) (%d)\n", fbwidth ++ fbheight, fbdepth, fbswap); + + ret = register_framebuffer(&fb->fb); + print_debug("BCM2708FB: register framebuffer (%d)\n", ret); +@@ -746,6 +752,7 @@ module_exit(bcm2708_fb_exit); + module_param(fbwidth, int, 0644); + module_param(fbheight, int, 0644); + module_param(fbdepth, int, 0644); ++module_param(fbswap, int, 0644); + + MODULE_DESCRIPTION("BCM2708 framebuffer driver"); + MODULE_LICENSE("GPL"); +@@ -753,3 +760,4 @@ MODULE_LICENSE("GPL"); + MODULE_PARM_DESC(fbwidth, "Width of ARM Framebuffer"); + MODULE_PARM_DESC(fbheight, "Height of ARM Framebuffer"); + MODULE_PARM_DESC(fbdepth, "Bit depth of ARM Framebuffer"); ++MODULE_PARM_DESC(fbswap, "Swap order of red and blue in 24 and 32 bit modes"); |