From: Anusha Srivatsa Date: Mon, 13 Jul 2020 18:23:20 +0000 (-0700) Subject: drm/i915/dg1: Remove SHPD_FILTER_CNT register programming X-Git-Tag: v5.9-rc1~134^2~1^2~8 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f619e51672e867f86433b63c896b30b39a4ca8a0;p=thirdparty%2Fkernel%2Flinux.git 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 Signed-off-by: Anusha Srivatsa Signed-off-by: Lucas De Marchi Reviewed-by: José Roberto de Souza Link: https://patchwork.freedesktop.org/patch/msgid/20200713182321.12390-5-lucas.demarchi@intel.com --- diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 4c9d0a4a24762..1fa67700d8f49 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);