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drm/i915: Disable scanout VT-d workaround for TGL+

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TGL+ should no longer need any VT-d scanout workarounds.
Don't apply any.

Not 100% sure whether pre-SNB might also suffer from this. The
workaround did originate on SNB but who knows if it was just
never caught before that. Not that I ever managed to enable
VT-d any older hardware. Last time I tried on my ILK it ate
the disk!

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241009182207.22900-7-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
This commit is contained in:
Ville Syrjälä 2024-10-09 21:22:04 +03:00
parent d851663664
commit 8e1096fd03
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/display/intel_display.c
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@ -8743,5 +8743,5 @@ void intel_hpd_poll_fini(struct drm_i915_private *i915)
bool intel_scanout_needs_vtd_wa(struct drm_i915_private *i915)
{
return DISPLAY_VER(i915) >= 6 && i915_vtd_active(i915);
return IS_DISPLAY_VER(i915, 6, 11) && i915_vtd_active(i915);
}