forked from Minki/linux
drm/i915/icl: WaDisCtxReload
Revert to the legacy implementation to avoid a system hang. v2: Correct the address for GAMW_ECO_DEV_RW_IA_REG v3: Renamed to Wa_220166154 v4: Rebased on top of the WA refactoring v5: Added References (Mika) v6: - Rebased - C, not lisp (Chris) References: HSDES#220166154 Signed-off-by: Oscar Mateo <oscar.mateo@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/1525814984-20039-9-git-send-email-oscar.mateo@intel.com
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@ -8273,6 +8273,9 @@ enum {
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#define GEN11_LSN_UNSLCVC_GAFS_HALF_CL2_MAXALLOC (1 << 9)
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#define GEN11_LSN_UNSLCVC_GAFS_HALF_SF_MAXALLOC (1 << 7)
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#define GAMW_ECO_DEV_RW_IA_REG _MMIO(0x4080)
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#define GAMW_ECO_DEV_CTX_RELOAD_DISABLE (1 << 7)
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/* IVYBRIDGE DPF */
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#define GEN7_L3CDERRST1(slice) _MMIO(0xB008 + (slice) * 0x200) /* L3CD Error Status 1 */
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#define GEN7_L3CDERRST1_ROW_MASK (0x7ff<<14)
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@ -733,6 +733,12 @@ static void icl_gt_workarounds_apply(struct drm_i915_private *dev_priv)
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I915_WRITE(GEN11_LSN_UNSLCVC, I915_READ(GEN11_LSN_UNSLCVC) |
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GEN11_LSN_UNSLCVC_GAFS_HALF_SF_MAXALLOC |
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GEN11_LSN_UNSLCVC_GAFS_HALF_CL2_MAXALLOC);
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/* Wa_220166154:icl
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* Formerly known as WaDisCtxReload
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*/
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I915_WRITE(GAMW_ECO_DEV_RW_IA_REG, I915_READ(GAMW_ECO_DEV_RW_IA_REG) |
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GAMW_ECO_DEV_CTX_RELOAD_DISABLE);
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}
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void intel_gt_workarounds_apply(struct drm_i915_private *dev_priv)
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