forked from Minki/linux
0d9c778978
To enable framebuffer compression on a g4x, we not only need the buffer to tiled (X only), we also need to hold a fence register for the buffer. Currently we only install a fence register for pre-i965s when setting up the scanout buffer. Rather than adding some convoluted logic to g4x_enable_fbc() to acquire a fence register, and perhaps to g4x_disable_fbc() to release it again, we can extend the acquisition during setup to all chipsets. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net> |
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