diff options
| author | Anusha Srivatsa <anusha.srivatsa@intel.com> | 2020-07-13 11:23:20 -0700 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2020-07-14 02:47:20 -0700 |
| commit | f619e51672e867f86433b63c896b30b39a4ca8a0 (patch) | |
| tree | 2d909d6bd0228dd8dd5414bd66323e6b60f865c4 /drivers/gpu/drm/i915/i915_irq.c | |
| parent | 97b492f5f98357c5238d74b1070d42c5fe4ac75d (diff) | |
| download | lwn-f619e51672e867f86433b63c896b30b39a4ca8a0.tar.gz lwn-f619e51672e867f86433b63c896b30b39a4ca8a0.zip | |
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.c | 3 |
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); |