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author | Ben Widawsky | 2015-03-11 09:49:32 +0100 |
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committer | Daniel Vetter | 2015-04-14 13:55:22 +0200 |
commit | 868434c51ec13c773e46c2398da18d53f6c78422 (patch) | |
tree | c46b5d540291c010d35b90f98e266c6efc9cb02f /drivers/gpu/drm/i915/intel_pm.c | |
parent | drm/i915/bxt: add GEN8_SDEUNIT_CLOCK_GATE_DISABLE workaround (diff) | |
download | kernel-qcow2-linux-868434c51ec13c773e46c2398da18d53f6c78422.tar.gz kernel-qcow2-linux-868434c51ec13c773e46c2398da18d53f6c78422.tar.xz kernel-qcow2-linux-868434c51ec13c773e46c2398da18d53f6c78422.zip |
drm/i915/bxt: add GEN8_HDCUNIT_CLOCK_GATE_DISABLE_HDCREQ workaround
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Nick Hoath <nicholas.hoath@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_pm.c')
-rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a3247e83b072..07b3780677c9 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -103,10 +103,12 @@ static void bxt_init_clock_gating(struct drm_device *dev) /* * FIXME: * GEN8_SDEUNIT_CLOCK_GATE_DISABLE applies on A0 only. + * GEN8_HDCUNIT_CLOCK_GATE_DISABLE_HDCREQ applies on 3x6 GT SKUs only. */ /* WaDisableSDEUnitClockGating:bxt */ I915_WRITE(GEN8_UCGCTL6, I915_READ(GEN8_UCGCTL6) | - GEN8_SDEUNIT_CLOCK_GATE_DISABLE); + GEN8_SDEUNIT_CLOCK_GATE_DISABLE | + GEN8_HDCUNIT_CLOCK_GATE_DISABLE_HDCREQ); } |