Why do I always forget this...? You guys can easily clone the kernel sources here for easier testing: http://cgit.freedesktop.org/~bwidawsk/drm-intel/log/?h=ilk_contexts On Sun, Jul 14, 2013 at 09:22:44AM -0700, Ben Widawsky wrote: > By the request of Ken, and Chris, I've added support for HW contexts to > Ironlake. This is not the first time I've done this, but I think I'll > skip the somewhat ugly history on the matter. > > Our existing support for Ironlake sets up 2 contexts, the powerctx, and > the renderctx. The former is stored in special memory on GEN6+, and the > latter is *extremely* similar to the way we use default context on GEN6+ > (ie. if users don't opt in to contexts, they are using it even if they > don't realize). > > The patch series first tries to tie that renderctx into our existing > i915 context code, and then rips out the old renderctx. Powerctx is left > alone since it still really is a special case. > > Finally, in the series I reenable rc6 on ILK. I've never had an issue > with this on my ILK, but I recommend anyone testing on it who sees > issues to try to disable it via modparam firstly. > > The patch series is minimally tested. I told Chris and Ken at the > offset, they'd need to do the heavy lifting on the testing front. > > Ben Widawsky (9): > drm/i915: move ilk rc6 context setup > drm/i915: Convert renderctx to a regular context > drm/i915: Make ILK context objects more like others > drm/i915: Add gen5 support to mi_set_context > drm/i915: Use do_switch for ILK renderctx > drm/i915: HW contexts for ILK > drm/i915: Use only the default context for ILK > drm/i915: Restore ILK powerctx pin attributes > drm/i915: Re-enable rc6 on ILK (again^5) > > drivers/gpu/drm/i915/i915_debugfs.c | 6 ---- > drivers/gpu/drm/i915/i915_drv.h | 3 +- > drivers/gpu/drm/i915/i915_gem_context.c | 28 ++++++++++++++--- > drivers/gpu/drm/i915/i915_reg.h | 1 + > drivers/gpu/drm/i915/intel_pm.c | 56 --------------------------------- > 5 files changed, 25 insertions(+), 69 deletions(-) > > -- > 1.8.3.2 > -- Ben Widawsky, Intel Open Source Technology Center