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Subject[PATCH v2] simplefb: add support for a8b8g8r8 pixel format
Date
A framebuffer of this format is set up by SHIELD's bootloader. This
allows us to use it as a framebuffer console.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Olof Johansson <olof@lixom.net>
---
Changes from v1:
- Added description to motivate the change
- Added ack

Documentation/devicetree/bindings/video/simple-framebuffer.txt | 1 +
drivers/video/simplefb.c | 1 +
2 files changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/video/simple-framebuffer.txt b/Documentation/devicetree/bindings/video/simple-framebuffer.txt
index 3ea4605..70c26f3 100644
--- a/Documentation/devicetree/bindings/video/simple-framebuffer.txt
+++ b/Documentation/devicetree/bindings/video/simple-framebuffer.txt
@@ -12,6 +12,7 @@ Required properties:
- stride: The number of bytes in each line of the framebuffer.
- format: The format of the framebuffer surface. Valid values are:
- r5g6b5 (16-bit pixels, d[15:11]=r, d[10:5]=g, d[4:0]=b).
+ - a8b8g8r8 (32-bit pixels, d[31:24]=a, d[23:16]=b, d[15:8]=g, d[7:0]=r).

Example:

diff --git a/drivers/video/simplefb.c b/drivers/video/simplefb.c
index e2e9e3e..d7041aa 100644
--- a/drivers/video/simplefb.c
+++ b/drivers/video/simplefb.c
@@ -84,6 +84,7 @@ struct simplefb_format {

static struct simplefb_format simplefb_formats[] = {
{ "r5g6b5", 16, {11, 5}, {5, 6}, {0, 5}, {0, 0} },
+ { "a8b8g8r8", 32, {0, 8}, {8, 8}, {16, 8}, {31, 8} },
};

struct simplefb_params {
--
1.8.3


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