diff options
| author | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2022-08-18 16:41:55 -0700 |
|---|---|---|
| committer | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2022-08-25 14:53:54 -0700 |
| commit | c41aa0204d1c05edadc42e50fdba62784f5841bd (patch) | |
| tree | e0925cfa8c5226e128c0e1b81b17a202b822d84a /drivers/gpu/drm/i915/i915_reg.h | |
| parent | a2b4cefafa26e6e4dc550366b2caa87a916c179a (diff) | |
drm/i915/mtl: memory latency data from LATENCY_LPX_LPY for WM
Since Xe LPD+, Memory latency data are in LATENCY_LPX_LPY registers
instead of GT driver mailbox.
v2: Use the extracted wm latency adjustment function(Matt)
v3: Use Odd/even for Latency fields(MattR)
Bspec: 64608
Cc: Matt Roper <matthew.d.roper@intel.com>
Original Author: Caz Yokoyama
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/<20220818234202.451742-15-radhakrishna.sripada@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_reg.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 5f140c26d79f..f60dda8702e3 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8355,4 +8355,10 @@ enum skl_power_gate { #define GEN12_CULLBIT2 _MMIO(0x7030) #define GEN12_STATE_ACK_DEBUG _MMIO(0x20BC) +#define MTL_LATENCY_LP0_LP1 _MMIO(0x45780) +#define MTL_LATENCY_LP2_LP3 _MMIO(0x45784) +#define MTL_LATENCY_LP4_LP5 _MMIO(0x45788) +#define MTL_LATENCY_LEVEL_EVEN_MASK REG_GENMASK(12, 0) +#define MTL_LATENCY_LEVEL_ODD_MASK REG_GENMASK(28, 16) + #endif /* _I915_REG_H_ */ |