From: Dominik Behr dbehr@chromium.org
initialize start and size fields in fb info so user space drivers like fbdev can map the memory
cherry-pick from 3.14 to 3.18 kernel to let VMtest pass
dmesg now shows proper size and fb start
initially reviewed for chromiumos at: https://chromium-review.googlesource.com/167396 https://chromium-review.googlesource.com/282933 https://chromium-review.googlesource.com/339092
Signed-off-by: Dominik Behr dbehr@chromium.org Signed-off-by: Zhuo-hao Lee zhuo-hao.lee@intel.com Signed-off-by: Stphane Marchesin marcheu@chromium.org --- drivers/gpu/drm/cirrus/cirrus_fbdev.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/cirrus/cirrus_fbdev.c b/drivers/gpu/drm/cirrus/cirrus_fbdev.c index 28383b828f47..30fb10cbb038 100644 --- a/drivers/gpu/drm/cirrus/cirrus_fbdev.c +++ b/drivers/gpu/drm/cirrus/cirrus_fbdev.c @@ -231,6 +231,9 @@ static int cirrusfb_create(struct drm_fb_helper *helper, info->screen_base = sysram; info->screen_size = size;
+ info->fix.smem_start = cdev->dev->mode_config.fb_base; + info->fix.smem_len = size; + info->fix.mmio_start = 0; info->fix.mmio_len = 0;