diff options
| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2016-06-07 17:19:17 +0300 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@intel.com> | 2016-06-08 16:26:57 +0300 |
| commit | 303d4ea522e8672a1b62d968a5b6764929adc292 (patch) | |
| tree | da02aec723df14f5e07f6dbb2445f24de47871d1 /drivers/ide | |
| parent | 0f78dee6f06a9399d4bdf79575094cc761b872ac (diff) | |
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
Diffstat (limited to 'drivers/ide')
0 files changed, 0 insertions, 0 deletions