On 02/05/17 04:49, Chris Wilson wrote:
Currently we only configure the power gating for Skylake and above, but
the configuration should equally apply to Broadwell and Braswell. Even
though, there is not as much variation as for later generations, we want
to expose control over the configuration to userspace and may want to
opt out of the "always-enabled" setting.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/intel_lrc.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 45c187abf10a..9add516d66c2 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1804,13 +1804,6 @@ make_rpcs(struct drm_i915_private *dev_priv)
u32 rpcs = 0;
/*
- * No explicit RPCS request is needed to ensure full
- * slice/subslice/EU enablement prior to Gen9.
- */
- if (INTEL_GEN(dev_priv) < 9)
- return 0;
Makes sense. Comments were confusing too.
-
- /*
* Starting in Gen9, render power gating can leave
* slice/subslice/EU in a partially enabled state. We
* must make an explicit request through RPCS for full
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