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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-10 17:16:57 +0100 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-09-10 21:03:25 +0100 |
| commit | ab37c4d712c8b35c0c1e3237e04fe49f717055a4 (patch) | |
| tree | 78223f2789054cf4fd9ea27bf5f67bc4af6fb8a5 | |
| parent | 07e98eb0a17482557198ae12a07a6e3a89de33a3 (diff) | |
| download | linux-ab37c4d712c8b35c0c1e3237e04fe49f717055a4.tar.gz linux-ab37c4d712c8b35c0c1e3237e04fe49f717055a4.tar.bz2 linux-ab37c4d712c8b35c0c1e3237e04fe49f717055a4.zip | |
drm/i915/tgl: Disable rc6 for debugging
Empirical evidence from CI tells us that our rc6 setup for Tigerlake is
off. Disable rc6 on tgl temporary so that we gain CI coverage as we
prepare a fix. It also appears that the BIOS on our tgl leaves rc6
enabled, so we have to explicitly disable it on init.
References: https://bugs.freedesktop.org/show_bug.cgi?id=111593
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Acked-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190910161657.23037-1-chris@chris-wilson.co.uk
| -rw-r--r-- | drivers/gpu/drm/i915/i915_pci.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 3 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index fbe98a2db88e..b3cc8560696b 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -797,6 +797,7 @@ static const struct intel_device_info intel_tigerlake_12_info = { .display.has_modular_fia = 1, .engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2), + .has_rc6 = false, /* XXX disabled for debugging */ }; #undef GEN diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 528e90ed5de4..54a8b7705bc6 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -8671,8 +8671,7 @@ void intel_disable_gt_powersave(struct drm_i915_private *dev_priv) { mutex_lock(&dev_priv->gt_pm.rps.lock); - if (HAS_RC6(dev_priv)) - intel_disable_rc6(dev_priv); + intel_disable_rc6(dev_priv); intel_disable_rps(dev_priv); if (HAS_LLC(dev_priv)) |