[PATCH] drm/radeon: update ib_execute for SI (v2)

2012-07-17 Thread alexdeuc...@gmail.com
From: Alex Deucher When submitting a CONST_IB, emit a SWITCH_BUFFER packet before the CONST_IB. This isn't strictly necessary (the driver will work fine without it), but is good practice and allows for more flexible DE/CE sychronization options in the future. Current userspace drivers do not ta

[PATCH] drm/radeon: update ib_execute for SI (v2)

2012-07-17 Thread alexdeucher
From: Alex Deucher When submitting a CONST_IB, emit a SWITCH_BUFFER packet before the CONST_IB. This isn't strictly necessary (the driver will work fine without it), but is good practice and allows for more flexible DE/CE sychronization options in the future. Current userspace drivers do not ta