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| author | Matthew Auld | 2017-10-07 00:18:22 +0200 |
|---|---|---|
| committer | Chris Wilson | 2017-10-07 11:11:54 +0200 |
| commit | 9a6330cff9b4b0691c7554fe873b09e7f6d377a9 (patch) | |
| tree | a1d2056e520468c3db55ac9c364f78b035dff02f /drivers/gpu/drm/i915/i915_reg.h | |
| parent | drm/i915: align 64K objects to 2M (diff) | |
| download | kernel-qcow2-linux-9a6330cff9b4b0691c7554fe873b09e7f6d377a9.tar.gz kernel-qcow2-linux-9a6330cff9b4b0691c7554fe873b09e7f6d377a9.tar.xz kernel-qcow2-linux-9a6330cff9b4b0691c7554fe873b09e7f6d377a9.zip | |
drm/i915: enable IPS bit for 64K pages
Before we can enable 64K pages through the IPS bit, we must first enable
it through MMIO, otherwise the page-walker will simply ignore it.
v2: add comment mentioning that 64K is BDW+
v3: move to more suitable home
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171006145041.21673-11-matthew.auld@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20171006221833.32439-10-chris@chris-wilson.co.uk
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index e7dba5539b11..50e65c98ca6c 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -2371,6 +2371,9 @@ enum i915_power_well_id { #define GEN9_GAMT_ECO_REG_RW_IA _MMIO(0x4ab0) #define GAMT_ECO_ENABLE_IN_PLACE_DECOMPRESS (1<<18) +#define GEN8_GAMW_ECO_DEV_RW_IA _MMIO(0x4080) +#define GAMW_ECO_ENABLE_64K_IPS_FIELD 0xF + #define GAMT_CHKN_BIT_REG _MMIO(0x4ab8) #define GAMT_CHKN_DISABLE_DYNAMIC_CREDIT_SHARING (1<<28) #define GAMT_CHKN_DISABLE_I2M_CYCLE_ON_WR_PORT (1<<24) |