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| author | Arun Siluvery | 2015-08-03 21:24:56 +0200 |
|---|---|---|
| committer | Daniel Vetter | 2015-08-05 11:16:57 +0200 |
| commit | 245d96670d2655f70f4445d5247f26afbe705c84 (patch) | |
| tree | 1c6cd7918a050de9580306fbb839526b5ec86181 /drivers/gpu/drm/i915/intel_pm.c | |
| parent | drm/i915/gen9: Removed byte swapping for csr firmware (diff) | |
| download | kernel-qcow2-linux-245d96670d2655f70f4445d5247f26afbe705c84.tar.gz kernel-qcow2-linux-245d96670d2655f70f4445d5247f26afbe705c84.tar.xz kernel-qcow2-linux-245d96670d2655f70f4445d5247f26afbe705c84.zip | |
drm/i915:skl: Add WaEnableGapsTsvCreditFix
Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Tested-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=90854
Tested-by: Mika Kuoppala <mika.kuoppala@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 | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index a1d92b7f3e35..f7f01dc05c4e 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -102,6 +102,12 @@ static void skl_init_clock_gating(struct drm_device *dev) /* WaDisableLSQCROPERFforOCL:skl */ I915_WRITE(GEN8_L3SQCREG4, I915_READ(GEN8_L3SQCREG4) | GEN8_LQSC_RO_PERF_DIS); + + /* WaEnableGapsTsvCreditFix:skl */ + if (IS_SKYLAKE(dev) && (INTEL_REVID(dev) >= SKL_REVID_C0)) { + I915_WRITE(GEN8_GARBCNTL, (I915_READ(GEN8_GARBCNTL) | + GEN9_GAPS_TSV_CREDIT_DISABLE)); + } } static void bxt_init_clock_gating(struct drm_device *dev) |