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authorAnusha Srivatsa <anusha.srivatsa@intel.com>2020-07-13 21:23:20 +0300
committerLucas De Marchi <lucas.demarchi@intel.com>2020-07-14 12:47:20 +0300
commitf619e51672e867f86433b63c896b30b39a4ca8a0 (patch)
tree2d909d6bd0228dd8dd5414bd66323e6b60f865c4 /drivers/gpu/drm/i915/i915_irq.c
parent97b492f5f98357c5238d74b1070d42c5fe4ac75d (diff)
downloadlinux-f619e51672e867f86433b63c896b30b39a4ca8a0.tar.xz
drm/i915/dg1: Remove SHPD_FILTER_CNT register programming
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@intel.com> Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com> Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com> Reviewed-by: José Roberto de Souza <jose.souza@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200713182321.12390-5-lucas.demarchi@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/i915_irq.c')
-rw-r--r--drivers/gpu/drm/i915/i915_irq.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 4c9d0a4a2476..1fa67700d8f4 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -3114,7 +3114,8 @@ 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);