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Author SHA1 Message Date
Dave Gordon 4e50f79622 drm/i915/guc: suppress GuC-related message on non-GuC platforms 
If the user doesn't override the default values of the GuC-related
kernel parameters, then on a non-GuC-based platform we shouldn't
mention that we haven't loaded the GuC firmware.

The various messages have been reordered into a least->most severe
cascade (none/INFO/INFO/ERROR) for ease of comprehension.

Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@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/1465575685-34169-1-git-send-email-david.s.gordon@intel.com
 2016-06-13 10:02:51 +01:00
Daniel Vetter 8c07eb6833 Revert "drm/i915/ilk: Don't disable SSC source if it's in use" 
This reverts commit f165d2834c.

It breaks one of our CI systems. Quoting from Ville:

[   13.100979] [drm:ironlake_init_pch_refclk] has_panel 1 has_lvds 1 has_ck505 0 using_ssc_source 1
[   13.101413] ------------[ cut here ]------------
[   13.101429] kernel BUG at drivers/gpu/drm/i915/intel_display.c:8528!

"which is the 'BUG_ON(val != final)' at the end of ironlake_init_pch_refclk()."

Cc: stable@vger.kernel.org
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Lyude <cpaul@redhat.com>
Cc: marius.c.vlad@intel.com
References: https://www.spinics.net/lists/dri-devel/msg109557.html
Acked-by: Lyude <cpaul@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
 2016-06-09 18:48:08 +02:00
Mika Kuoppala d1b4eefdea drm/i915/gen9: Add WaFbcHighMemBwCorruptionAvoidance 
Add this fbc related workaround for all gen9

Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-28-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:27:07 +03:00
Mika Kuoppala 031cd8c85a drm/i195/fbc: Add WaFbcNukeOnHostModify 
Bspec states that we need to set nuke on modify all to prevent
screen corruption with fbc on skl and kbl.

v2: proper workaround name

References: HSD#2227109, HSDES#1404569388
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-27-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:27:02 +03:00
Mika Kuoppala 303d4ea522 drm/i915/gen9: Add WaFbcWakeMemOn 
Set bit 8 in 0x43224 to prevent screen corruption and system
hangs on high memory bandwidth conditions. The same wa also suggest
setting bit 31 on ARB_CTL. According to another workaround we gain
better idle power savings when FBC is enabled.

v2: use correct workaround name
v3: split out overlapping wa for corruption avoidance (Ville)

References: HSD#2137218, HSD#2227171, HSD#2136579, BSID#883
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-26-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:26:57 +03:00
Mika Kuoppala 0f78dee6f0 drm/i915/gen9: Add WaFbcTurnOffFbcWatermark 
According to bspec this prevents screen corruption when fbc is
used.

v2: This workaround has a name, use it (Ville)
v3: remove bogus gen check on ilk/vlv wm path (Ville)

References: HSD#2135555, HSD#2137270, BSID#562
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-25-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:26:48 +03:00
Mika Kuoppala 066d462888 drm/i915/kbl: Add WaClearSlmSpaceAtContextSwitch 
This workaround for bdw and chv, is also needed for kbl A0.

References: HSD#1911519, BSID#569
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1465309159-30531-24-git-send-email-mika.kuoppala@intel.com
 2016-06-08 16:26:23 +03:00
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