diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0704-bcm2708_fb-Fix-layout-of-struct-vc4_display_settings.patch')
-rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0704-bcm2708_fb-Fix-layout-of-struct-vc4_display_settings.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0704-bcm2708_fb-Fix-layout-of-struct-vc4_display_settings.patch b/target/linux/bcm27xx/patches-4.19/950-0704-bcm2708_fb-Fix-layout-of-struct-vc4_display_settings.patch new file mode 100644 index 0000000000..adb14fb710 --- /dev/null +++ b/target/linux/bcm27xx/patches-4.19/950-0704-bcm2708_fb-Fix-layout-of-struct-vc4_display_settings.patch @@ -0,0 +1,34 @@ +From c6be127c2f4d5f75c60d3778594093ff51593a6e Mon Sep 17 00:00:00 2001 +From: Michael Brown <mbrown@fensystems.co.uk> +Date: Sun, 22 Sep 2019 21:51:29 +0100 +Subject: [PATCH] bcm2708_fb: Fix layout of struct + vc4_display_settings_t + +The display parameters returned by the VC4 firmware in response to the +RPI_FIRMWARE_FRAMEBUFFER_GET_DISPLAY_SETTINGS tag do not match the +layout of struct vc4_display_settings_t: the colour depth and row +pitch are erroneously swapped in the kernel definition. This can +trigger a kernel warning from pixel_to_pat(), such as: + + pixel_to_pat(): unsupported pixelformat 7296 + +Fix by adjusting the layout of struct vc4_display_settings_t to match +the layout as used by the VC4 firmware. + +Signed-off-by: Michael Brown <mbrown@fensystems.co.uk> +--- + drivers/video/fbdev/bcm2708_fb.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/video/fbdev/bcm2708_fb.c ++++ b/drivers/video/fbdev/bcm2708_fb.c +@@ -89,8 +89,8 @@ struct vc4_display_settings_t { + u32 display_num; + u32 width; + u32 height; +- u32 pitch; + u32 depth; ++ u32 pitch; + u32 virtual_width; + u32 virtual_height; + u32 virtual_width_offset; |