When plat->base is set by driver then skip frame buffer reservation and allocation.
Signed-off-by: Pali Rohár pali@kernel.org --- drivers/video/video-uclass.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c index 7d499bcec51d..88797d4a21c2 100644 --- a/drivers/video/video-uclass.c +++ b/drivers/video/video-uclass.c @@ -33,7 +33,8 @@ * information represents the requires size and alignment of the frame buffer * for the device. The values can be an over-estimate but cannot be too * small. The actual values will be suppled (in the same manner) by the bind() - * method after relocation. + * method after relocation. Additionally driver can allocate frame buffer + * itself by setting plat->base. * * This information is then picked up by video_reserve() which works out how * much memory is needed for all devices. This is allocated between @@ -78,6 +79,10 @@ static ulong alloc_fb(struct udevice *dev, ulong *addrp) if (!plat->size) return 0;
+ /* Allow drivers to allocate the frame buffer themselves */ + if (plat->base) + return 0; + align = plat->align ? plat->align : 1 << 20; base = *addrp - plat->size; base &= ~(align - 1);