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drm/i915: don't capture DERRMR for VLV/CHV

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DERRMR isn't valid for VLV/CHV. Don't capture it for them.

Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/4563cc7eb567ac508b84717c3708a4e48aa8b7bb.1744630147.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula
2025-04-14 14:29:47 +03:00
parent 737c725b2c
commit 02cfe5a3bc
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/display/intel_display_irq.c
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@@ -2343,7 +2343,7 @@ intel_display_irq_snapshot_capture(struct intel_display *display)
if (!snapshot)
return NULL;
if (DISPLAY_VER(display) >= 6 && DISPLAY_VER(display) < 20)
if (DISPLAY_VER(display) >= 6 && DISPLAY_VER(display) < 20 && !HAS_GMCH(display))
snapshot->derrmr = intel_de_read(display, DERRMR);
return snapshot;