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[v15,02/14] drm/i915: Program RPCS for Broadwell

Message ID 20170531123355.6363-3-lionel.g.landwerlin@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Lionel Landwerlin May 31, 2017, 12:33 p.m. UTC 
From: Chris Wilson <chris@chris-wilson.co.uk>

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@chris-wilson.co.uk>
Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
---
 drivers/gpu/drm/i915/intel_lrc.c | 7 -------
 1 file changed, 7 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index 9a279a559a0f..fec66204fe88 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1816,13 +1816,6 @@  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;
-
-	/*
 	 * 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