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| author | Mika Kuoppala | 2016-06-07 16:19:06 +0200 |
|---|---|---|
| committer | Mika Kuoppala | 2016-06-08 15:24:34 +0200 |
| commit | c0b730d572ea00d427f6112b17982c6b9d5e97bb (patch) | |
| tree | 6bb2c700271fc4daca541d637112f325885e20f7 /drivers/gpu/drm/i915/i915_reg.h | |
| parent | drm/i915/kbl: Add WaDisableGamClockGating (diff) | |
| download | kernel-qcow2-linux-c0b730d572ea00d427f6112b17982c6b9d5e97bb.tar.gz kernel-qcow2-linux-c0b730d572ea00d427f6112b17982c6b9d5e97bb.tar.xz kernel-qcow2-linux-c0b730d572ea00d427f6112b17982c6b9d5e97bb.zip | |
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
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 4144fb7064f1..56a54ea6a489 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -1672,6 +1672,9 @@ enum skl_disp_power_wells { #define GEN7_TLB_RD_ADDR _MMIO(0x4700) +#define GAMT_CHKN_BIT_REG _MMIO(0x4ab8) +#define GAMT_CHKN_DISABLE_DYNAMIC_CREDIT_SHARING (1<<28) + #if 0 #define PRB0_TAIL _MMIO(0x2030) #define PRB0_HEAD _MMIO(0x2034) |