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drm/i915/bdw: enable eDRAM.

The same register exists for querying and programming eDRAM AKA eLLC. So
we can simply use it. For now, use all the same defaults as we had
for Haswell, since like Haswell, I have no further details.

I do not actually have a part with eDRAM, so I cannot test this.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Reviewed-by: Brad Volkin <bradley.d.volkin@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2014-04-18 18:04:28 -03:00 committed by Daniel Vetter
parent 63c42e56e2
commit 1d2866baf7

View File

@ -370,7 +370,7 @@ void intel_uncore_early_sanitize(struct drm_device *dev)
if (HAS_FPGA_DBG_UNCLAIMED(dev))
__raw_i915_write32(dev_priv, FPGA_DBG, FPGA_DBG_RM_NOCLAIM);
if (IS_HASWELL(dev) &&
if ((IS_HASWELL(dev) || IS_BROADWELL(dev)) &&
(__raw_i915_read32(dev_priv, HSW_EDRAM_PRESENT) == 1)) {
/* The docs do not explain exactly how the calculation can be
* made. It is somewhat guessable, but for now, it's always