Define and initialize the MMIO ranges for which XeHP SDV requires MSLICE and LNCF steering.
Bspec: 66534 Cc: Tvrtko Ursulin tvrtko.ursulin@linux.intel.com Cc: Daniele Ceraolo Spurio daniele.ceraolospurio@intel.com Signed-off-by: Matt Roper matthew.d.roper@intel.com --- drivers/gpu/drm/i915/gt/intel_gt.c | 19 ++++++++++++++++++- drivers/gpu/drm/i915/gt/intel_workarounds.c | 11 +++++++++-- 2 files changed, 27 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c index f59bcedbb80b..9d1c99c9c0dd 100644 --- a/drivers/gpu/drm/i915/gt/intel_gt.c +++ b/drivers/gpu/drm/i915/gt/intel_gt.c @@ -89,6 +89,20 @@ static const struct intel_mmio_range icl_l3bank_steering_table[] = { {}, };
+static const struct intel_mmio_range xehpsdv_mslice_steering_table[] = { + { 0x004000, 0x004AFF }, + { 0x00C800, 0x00CFFF }, + { 0x00DD00, 0x00DDFF }, + { 0x00E900, 0x00FFFF }, /* 0xEA00 - OxEFFF is unused */ + {}, +}; + +static const struct intel_mmio_range xehpsdv_lncf_steering_table[] = { + { 0x00B000, 0x00B0FF }, + { 0x00D800, 0x00D8FF }, + {}, +}; + static u16 slicemask(struct intel_gt *gt, int count) { u64 dss_mask = intel_sseu_get_subslices(>->info.sseu, 0); @@ -113,7 +127,10 @@ int intel_gt_init_mmio(struct intel_gt *gt) (intel_uncore_read(gt->uncore, GEN10_MIRROR_FUSE3) & GEN12_MEML3_EN_MASK);
- if (GRAPHICS_VER(gt->i915) >= 11 && + if (IS_XEHPSDV(gt->i915)) { + gt->steering_table[MSLICE] = xehpsdv_mslice_steering_table; + gt->steering_table[LNCF] = xehpsdv_lncf_steering_table; + } else if (GRAPHICS_VER(gt->i915) >= 11 && GRAPHICS_VER_FULL(gt->i915) < IP_VER(12, 50)) { gt->steering_table[L3BANK] = icl_l3bank_steering_table; gt->info.l3bank_mask = diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 060d84897635..4302dc1b728e 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -989,7 +989,6 @@ icl_wa_init_mcr(struct drm_i915_private *i915, struct i915_wa_list *wal) __add_mcr_wa(i915, wal, slice, subslice); }
-__maybe_unused static void xehp_init_mcr(struct intel_gt *gt, struct i915_wa_list *wal) { @@ -1208,10 +1207,18 @@ dg1_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal) VSUNIT_CLKGATE_DIS_TGL); }
+static void +xehpsdv_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal) +{ + xehp_init_mcr(&i915->gt, wal); +} + static void gt_init_workarounds(struct drm_i915_private *i915, struct i915_wa_list *wal) { - if (IS_DG1(i915)) + if (IS_XEHPSDV(i915)) + xehpsdv_gt_workarounds_init(i915, wal); + else if (IS_DG1(i915)) dg1_gt_workarounds_init(i915, wal); else if (IS_TIGERLAKE(i915)) tgl_gt_workarounds_init(i915, wal);