I'm still trying to figure out how to get the framebuffer address using
the drm gem code.
I think I need to:
drmAddMap(...., address of framebuffer) - gets handle
drmMap(... handle)
drmModeAddFB(... handle...)
Then I can get the frame buffer id to use in my drmModeSetCrtc() calls...
Can someone confirm I'm on the right track?
The modesetting-101 branch had calls to drmBOCreate() which seemed to do
the right thing
But them my problem is how to get the framebuffer address in a generic
(no chip specific way). I can see ioctls for radeon which return the
framebuffer address, but not i915 family (which is what I'm using). Do I
need to add the equivalent radeon call to the i915 driver?
How is it done in X. Is it all chip specific?
Thanks
Paul Winder
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