| Message ID | 20250411070823.230909-1-jani.nikula@intel.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | drm/i915: don't capture DERRMR for VLV/CHV | expand |
On Fri, Apr 11, 2025 at 10:08:23AM +0300, Jani Nikula wrote: > DERRMR isn't valid for VLV/CHV. Don't capture it for them. > > Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> > Signed-off-by: Jani Nikula <jani.nikula@intel.com> Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com> > --- > drivers/gpu/drm/i915/display/intel_display_irq.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_display_irq.c b/drivers/gpu/drm/i915/display/intel_display_irq.c > index f5dc050a6344..5d07b6a9e59e 100644 > --- a/drivers/gpu/drm/i915/display/intel_display_irq.c > +++ b/drivers/gpu/drm/i915/display/intel_display_irq.c > @@ -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; > -- > 2.39.5
diff --git a/drivers/gpu/drm/i915/display/intel_display_irq.c b/drivers/gpu/drm/i915/display/intel_display_irq.c index f5dc050a6344..5d07b6a9e59e 100644 --- a/drivers/gpu/drm/i915/display/intel_display_irq.c +++ b/drivers/gpu/drm/i915/display/intel_display_irq.c @@ -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;
DERRMR isn't valid for VLV/CHV. Don't capture it for them. Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Jani Nikula <jani.nikula@intel.com> --- drivers/gpu/drm/i915/display/intel_display_irq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)