[Intel-gfx] [PATCH v2 10/32] drm/i915/dg1: Remove SHPD_FILTER_CNT register programming
Lucas De Marchi
lucas.demarchi at intel.com
Thu Jun 18 00:42:18 UTC 2020
From: Anusha Srivatsa <anusha.srivatsa at intel.com>
Bspec asks us to remove the special programming of the
SHPD_FILTER_CNT register which we have been doing since CNP+.
Bspec: 49305
Cc: Matt Roper <matthew.d.roper at intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa at intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi at intel.com>
Reviewed-by: José Roberto de Souza <jose.souza at intel.com>
---
drivers/gpu/drm/i915/i915_irq.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 8652e1e69db72..48e1686df3416 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3116,7 +3116,8 @@ static void icp_hpd_irq_setup(struct drm_i915_private *dev_priv,
hotplug_irqs = sde_ddi_mask | sde_tc_mask;
enabled_irqs = intel_hpd_enabled_irqs(dev_priv, dev_priv->hotplug.pch_hpd);
- I915_WRITE(SHPD_FILTER_CNT, SHPD_FILTER_CNT_500_ADJ);
+ if (INTEL_PCH_TYPE(dev_priv) <= PCH_TGP)
+ I915_WRITE(SHPD_FILTER_CNT, SHPD_FILTER_CNT_500_ADJ);
ibx_display_interrupt_update(dev_priv, hotplug_irqs, enabled_irqs);
--
2.26.2
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