提交 185c66e5 编写于 作者: M Mika Kuoppala 提交者: Mika Kuoppala

drm/i915/skl: Fix rc6 based gpu/system hang

For all gt3 and gt4 skylake variants, extend the usage of
WaRsDisableCoarsePowerGating for all revisions. Without this
gt3 and gt4 skylakes up to atleast rev 0xa can gpu hang or
system hang.

Cc: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Cc: Ben Widawsky <benjamin.widawsky@intel.com>
Cc: Timo Aaltonen <tjaalton@ubuntu.com>
Cc: <stable@vger.kernel.org>
Reported-by: NMikael Djurfeldt <mikael@djurfeldt.com>
References: https://bugs.freedesktop.org/show_bug.cgi?id=94161Signed-off-by: NMika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: NBen Widawsky <benjamin.widawsky@intel.com>
Tested-by: NTimo Aaltonen <tjaalton@ubuntu.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459860977-27751-1-git-send-email-mika.kuoppala@intel.com
上级 3f10e82f
......@@ -2642,8 +2642,9 @@ struct drm_i915_cmd_table {
/* WaRsDisableCoarsePowerGating:skl,bxt */
#define NEEDS_WaRsDisableCoarsePowerGating(dev) (IS_BXT_REVID(dev, 0, BXT_REVID_A1) || \
((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && \
IS_SKL_REVID(dev, 0, SKL_REVID_F0)))
IS_SKL_GT3(dev) || \
IS_SKL_GT4(dev))
/*
* dp aux and gmbus irq on gen4 seems to be able to generate legacy interrupts
* even when in MSI mode. This results in spurious interrupt warnings if the
......
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