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Author SHA1 Message Date
Mika Kuoppala 71dce58c8e drm/i915/skl: Extend WaDisableChickenBitTSGBarrierAckForFFSliceCS 
There is ambiguity in the documentation between D0 and E0.
Extend this workaround to E0.

References: BSID#779
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-23-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:26:05 +03:00
Mika Kuoppala 590e8ff04b drm/i915/gen9: Add WaEnableChickenDCPR 
Workaround for display underrun issues with Y & Yf Tiling.
Set this on all gen9 as stated by bspec.

v2: proper workaround name

References: HSD#2136383, BSID#857
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-22-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:25:56 +03:00
Mika Kuoppala 954337aa96 drm/i915/kbl: Add WaDisableSbeCacheDispatchPortSharing 
This is needed for all kbl revision.

v2: Don't add revid checks to generic gen9 init (Arun)

References: HSD#2135593
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-21-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:25:49 +03:00
Mika Kuoppala 4de5d7ccbc drm/i915/kbl: Add WaDisableGafsUnitClkGating 
We need to disable clock gating in this unit to work around
hardware issue causing possible corruption/hang.

v2: name the bit (Ville)
v3: leave the fix enabled for 2227050 and set correct bit (Matthew)
v4: Split out the skl part in separate commit for easier backport

References: HSD#2227156, HSD#2227050
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-20-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:25:41 +03:00
Mika Kuoppala 0b2d0934ed drm/i915/kbl: Add WaForGAMHang 
Add this workaround for A0 and B0 revisions

References: HSD#2226935
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-19-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:25:22 +03:00
Mika Kuoppala 44fff99ff2 drm/i915/skl: Add WAC6entrylatency 
This workaround is for fbc working with rc6 on skylake. Bspec
states that setting this bit needs to be coordinated with uncore
but offers no further details.

v2: rebase

References: HSD#4712857
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-18-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:25:10 +03:00
Mika Kuoppala 6fc29133ea drm/i915/gen9: Add WaDisableSkipCaching 
Make sure that we never enable skip caching on gen9 by
accident.

References: HSD#2134698
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-17-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:25:03 +03:00
Mika Kuoppala ad2bdb44b1 drm/i915: Add WaInsertDummyPushConstP for bxt and kbl 
Add this workaround for both bxt and kbl up to until
rev B0.

References: HSD#2136703
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-16-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:24:54 +03:00
Mika Kuoppala c0b730d572 drm/i915/kbl: Add WaDisableDynamicCreditSharing 
Bspec states that we need to turn off dynamic credit
sharing on kbl revid a0 and b0. This happens by writing bit 28
on 0x4ab8.

References: HSD#2225601, HSD#2226938, HSD#2225763
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-15-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:24:34 +03:00
Mika Kuoppala 8aeb7f624f drm/i915/kbl: Add WaDisableGamClockGating 
According to bspec we need to disable gam unit clock gating on
on kbl revids A0 and B0.

References: HSD#2226858, HSD#1944358
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-14-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:24:23 +03:00
Mika Kuoppala b033bb6d5d drm/i915/gen9: Enable must set chicken bits in config0 reg 
The bspec states that these must be set in CONFIG0 for all gen9.

v2: rebase
v3: fix spacing (Matthew)

References: HSD#2134995
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-13-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:24:13 +03:00
Mika Kuoppala fe90581987 drm/i915/kbl: Add WaDisableLSQCROPERFforOCL 
Extend the scope of this workaround, already used in skl,
to also take effect in kbl.

v2: Fix KBL_REVID_E0 (Matthew)

References: HSD#2132677
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-12-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:24:03 +03:00
Mika Kuoppala 17e0adf079 drm/i915/edp: Add WaKVMNotificationOnConfigChange:bdw 
According to bspec this workaround helps to reduce lag and improve
performance on edp.

Documentation suggests this for bdw and all gen9. However evidence
shows that this register is missing on gen9 and causing unclaimed mmio
access if we access it. So apply to bdw only where the reg
exists and can hold its value.

v2: drop skl

References: HSD#2134579
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-11-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:23:09 +03:00
Mika Kuoppala 9498dba7b4 drm/i915/kbl: Add WaDisableSDEUnitClockGating 
Add this workaround until upto kbl revid B0.

References: HSD#1802092
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-10-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:22:52 +03:00
Mika Kuoppala 8401d42fd5 drm/i915/kbl: Add WaDisableFenceDestinationToSLM for A0 
Add this workaround for kbl revid A0 only.

v2: rebase
v3: carve out a non related workaround (Chris)

References: HSD#1911714
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-9-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:22:44 +03:00
Mika Kuoppala e587f6cb0a drm/i915/kbl: Add WaEnableGapsTsvCreditFix 
We need this crucial workaround from skl also to all kbl revisions.
Lack of it was causing system hangs on skl enabling so this is
a must have.

v2: Don't add revid checks to gen9 init workarounds (Arun)

References: HSD#2126660
Cc: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-8-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:21:39 +03:00
Mika Kuoppala bbaefe72a0 drm/i915: Mimic skl with WaForceEnableNonCoherent 
Past evidence with system hangs and hsds tie
WaForceEnableNonCoherent and WaDisableHDCInvalidation to
WaForceContextSaveRestoreNonCoherent. Documentation
states that WaForceContextSaveRestoreNonCoherent would
not be needed on skl past E0 but evidence proved otherwise. See
commit <510650e8b2ab> ("drm/i915/skl: Fix spurious gpu hang with gt3/gt4
revs"). In this scope consider kbl to be skl with a bigger revision than
E0 so play it safe and bind these two workarounds to the
WaForceContextSaveRestoreNonCoherent, and apply to all gen9.

v2: fix comment (Matthew)

References: HSD#2134449, HSD#2131413
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-7-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:21:22 +03:00
Mika Kuoppala 5b0e365929 drm/i915/gen9: Always apply WaForceContextSaveRestoreNonCoherent 
The revision id range for this workaround has changed. So apply
it to all revids on all gen9.

References: HSD#2134449
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-6-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:20:33 +03:00
Mika Kuoppala 6e4f10c33a drm/i915/kbl: Add WaSkipStolenMemoryFirstPage for A0 
We need this for kbl a0 boards. Note that this should be also
for bxt A0 but we omit that on purpose as bxt A0's are
out of fashion already.

References: HSD#1912158, HSD#4393097
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-5-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:20:23 +03:00
Mika Kuoppala c033a37cd4 drm/i915/kbl: Add REVID macro 
Add REVID macro for kbl to limit wa applicability to particular
revision range.

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-4-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:20:03 +03:00
Mika Kuoppala e5f81d65ac drm/i915/kbl: Init gen9 workarounds 
Kabylake is part of gen9 family so init the generic gen9
workarounds for it.

v2: rebase

Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-3-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:19:53 +03:00
Mika Kuoppala eee8efb02a drm/i915/skl: Add WaDisableGafsUnitClkGating 
We need to disable clock gating in this unit to work around
hardware issue causing possible corruption/hang.

v2: name the bit (Ville)
v3: leave the fix enabled for 2227050 and set correct bit (Matthew)

References: HSD#2227156, HSD#2227050
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Matthew Auld <matthew.william.auld@gmail.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-2-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:19:32 +03:00
David Weinehall a4015f9a9c drm/i915: only disable memory self-refresh on GMCH 
The atomic version of intel_pre_plane_update did not check
for HAS_GMCH_DISPLAY before calling intel_set_memory_cxsr().
While this doesn't cause any issues on its own (it will
return without doing anything if the hardware doesn't
have the required feature), the drm_wait_one_vblank() that
is needed if memory self-refresh is disabled introduces
an unnecessary delay in the suspend path.

In cases where i915 is on the critical path it means that
we slow down suspend by 16.8ms on platforms that don't
need to disable memory self-refresh.

Signed-off-by: David Weinehall <david.weinehall@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1463662236-18192-1-git-send-email-david.weinehall@linux.intel.com
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
 2016-06-07 18:55:43 +03:00
Ville Syrjälä 22f3504259 drm/i915: Check VBT for port presence in addition to the strap on VLV/CHV 
Apparently some CHV boards failed to hook up the port presence straps
for HDMI ports as well (earlier we assumed this problem only affected
eDP ports). So let's check the VBT in addition to the strap, and if
either one claims that the port is present go ahead and register the
relevant connector.

While at it, change port D to register DP before HDMI as we do for ports
B and C since
commit 457c52d87e ("drm/i915: Only ignore eDP ports that are connected")

Also print a debug message when we register a HDMI connector to aid
in diagnosing missing/incorrect ports. We already had such a print for
DP/eDP.

v2: Improve the comment in the code a bit, note the port D change in
    the commit message

Cc: Radoslav Duda <radosd@radosd.com>
Tested-by: Radoslav Duda <radosd@radosd.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=96321
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1464945463-14364-1-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
 2016-06-07 18:45:43 +03:00
Dave Gordon 041824ee25 drm/i915/guc: enable GuC loading & submission by default 
The recent patch
. fce91f2 drm/i915/guc: add enable_guc_loading parameter
enabled GuC loading and submission by default, but as issues
were found with warnings being issued during suspend-resume
cycles, GuC loading was disabled by default, by patch
. 2335986 drm/i915/guc: Disable automatic GuC firmware loading

Those warnings have been resolved, so this patch re-enables GuC
loading and submission by default.

Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465287291-2187-1-git-send-email-david.s.gordon@intel.com
 2016-06-07 14:21:58 +01:00