diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 4143efd9c02b..ece9d8e7568b 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -612,6 +612,12 @@ static int gen8_ppgtt_enable(struct i915_hw_ppgtt *ppgtt) for_each_ring(ring, dev_priv, j) { I915_WRITE(RING_MODE_GEN7(ring), _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)); + + /* We promise to do a switch later with FULL PPGTT. If this is + * aliasing, this is the one and only switch we'll do */ + if (USES_FULL_PPGTT(dev)) + continue; + ret = ppgtt->switch_mm(ppgtt, ring, true); if (ret) goto err_out; @@ -651,11 +657,17 @@ static int gen7_ppgtt_enable(struct i915_hw_ppgtt *ppgtt) /* GFX_MODE is per-ring on gen7+ */ I915_WRITE(RING_MODE_GEN7(ring), _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)); + + /* We promise to do a switch later with FULL PPGTT. If this is + * aliasing, this is the one and only switch we'll do */ + if (USES_FULL_PPGTT(dev)) + continue; + ret = ppgtt->switch_mm(ppgtt, ring, true); if (ret) return ret; - } + return 0; } |