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| author | Oscar Mateo <oscar.mateo@intel.com> | 2018-05-08 14:29:30 -0700 |
|---|---|---|
| committer | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2018-05-11 15:56:28 +0300 |
| commit | 908ae05173637e9b39545636a12c244314d6fce1 (patch) | |
| tree | 67f72431fea4eaaacfe030b06463b1805dc390b1 /drivers/gpu/drm/i915 | |
| parent | 6b967dc392090831954644549676409ca22fe8bf (diff) | |
| download | op-kernel-dev-908ae05173637e9b39545636a12c244314d6fce1.zip op-kernel-dev-908ae05173637e9b39545636a12c244314d6fce1.tar.gz | |
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
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_workarounds.c | 6 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index d325fad..dd23af3 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -8273,6 +8273,9 @@ enum { #define GEN11_LSN_UNSLCVC_GAFS_HALF_CL2_MAXALLOC (1 << 9) #define GEN11_LSN_UNSLCVC_GAFS_HALF_SF_MAXALLOC (1 << 7) +#define GAMW_ECO_DEV_RW_IA_REG _MMIO(0x4080) +#define GAMW_ECO_DEV_CTX_RELOAD_DISABLE (1 << 7) + /* IVYBRIDGE DPF */ #define GEN7_L3CDERRST1(slice) _MMIO(0xB008 + (slice) * 0x200) /* L3CD Error Status 1 */ #define GEN7_L3CDERRST1_ROW_MASK (0x7ff<<14) diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c index a6758bd..3547403 100644 --- a/drivers/gpu/drm/i915/intel_workarounds.c +++ b/drivers/gpu/drm/i915/intel_workarounds.c @@ -733,6 +733,12 @@ static void icl_gt_workarounds_apply(struct drm_i915_private *dev_priv) I915_WRITE(GEN11_LSN_UNSLCVC, I915_READ(GEN11_LSN_UNSLCVC) | GEN11_LSN_UNSLCVC_GAFS_HALF_SF_MAXALLOC | GEN11_LSN_UNSLCVC_GAFS_HALF_CL2_MAXALLOC); + + /* Wa_220166154:icl + * Formerly known as WaDisCtxReload + */ + I915_WRITE(GAMW_ECO_DEV_RW_IA_REG, I915_READ(GAMW_ECO_DEV_RW_IA_REG) | + GAMW_ECO_DEV_CTX_RELOAD_DISABLE); } void intel_gt_workarounds_apply(struct drm_i915_private *dev_priv) |
