diff mbox series

[v2,17/23] drm/i915/xelpd: Add Wa_14011503030

Message ID 20210311153415.3024607-18-matthew.d.roper@intel.com (mailing list archive)
State New, archived
Headers show
Series Separate display version numbering and add XE_LPD (version 13) | expand

Commit Message

Matt Roper March 11, 2021, 3:34 p.m. UTC 
Cc: Aditya Swarup <aditya.swarup@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_power.c | 4 ++++
 drivers/gpu/drm/i915/i915_reg.h                    | 2 ++
 2 files changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 2cccf45837d3..8bb5203dd2da 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -5840,6 +5840,10 @@  static void icl_display_core_init(struct drm_i915_private *dev_priv,
 		      DCPR_MASK_LPMODE | DCPR_MASK_MAXLATENCY_MEMUP_CLR;
 		intel_uncore_rmw(&dev_priv->uncore, GEN11_CHICKEN_DCPR_2, 0, val);
 	}
+
+	/* Wa_14011503030:xelpd */
+	if (DISPLAY_VER(dev_priv) >= 13)
+		intel_de_write(dev_priv, XELPD_DISPLAY_ERR_FATAL_MASK, ~0);
 }
 
 static void icl_display_core_uninit(struct drm_i915_private *dev_priv)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 348b94a69b96..95fd6bb8f0ff 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -7780,6 +7780,8 @@  enum {
 #define  GEN8_GT_BCS_IRQ		(1 << 1)
 #define  GEN8_GT_RCS_IRQ		(1 << 0)
 
+#define XELPD_DISPLAY_ERR_FATAL_MASK	_MMIO(0x4421c)
+
 #define GEN8_GT_ISR(which) _MMIO(0x44300 + (0x10 * (which)))
 #define GEN8_GT_IMR(which) _MMIO(0x44304 + (0x10 * (which)))
 #define GEN8_GT_IIR(which) _MMIO(0x44308 + (0x10 * (which)))