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| author | Mika Kuoppala <[email protected]> | 2016-06-07 14:19:17 +0000 |
|---|---|---|
| committer | Mika Kuoppala <[email protected]> | 2016-07-15 12:51:28 +0000 |
| commit | 5b889896be07cb12f0401dc2cfdec6eb6413c774 (patch) | |
| tree | a9af9d23e9fda4c125b4bed89d5dc10acb162e75 /fs/jbd2/commit.c | |
| parent | drm/i915/gen9: Add WaFbcTurnOffFbcWatermark (diff) | |
| download | kernel-5b889896be07cb12f0401dc2cfdec6eb6413c774.tar.gz kernel-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 <[email protected]>
Cc: Ville Syrjälä <[email protected]>
Signed-off-by: Mika Kuoppala <[email protected]>
Reviewed-by: Ville Syrjälä <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit 303d4ea522e8672a1b62d968a5b6764929adc292)
Signed-off-by: Mika Kuoppala <[email protected]>
Diffstat (limited to 'fs/jbd2/commit.c')
0 files changed, 0 insertions, 0 deletions