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| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2016-06-07 16:19:17 +0200 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@intel.com> | 2016-07-15 14:51:28 +0200 |
| commit | 5b889896be07cb12f0401dc2cfdec6eb6413c774 (patch) | |
| tree | a9af9d23e9fda4c125b4bed89d5dc10acb162e75 /drivers/oprofile | |
| parent | drm/i915/gen9: Add WaFbcTurnOffFbcWatermark (diff) | |
| download | linux-5b889896be07cb12f0401dc2cfdec6eb6413c774.tar.xz linux-5b889896be07cb12f0401dc2cfdec6eb6413c774.zip | |
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
(cherry picked from commit 303d4ea522e8672a1b62d968a5b6764929adc292)
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Diffstat (limited to 'drivers/oprofile')
0 files changed, 0 insertions, 0 deletions