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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [Regression BDW] backlight flickering/display artifacting on Broadwell integrated graphics with 4.12-rc1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101111#c30">Comment # 30</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [Regression BDW] backlight flickering/display artifacting on Broadwell integrated graphics with 4.12-rc1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101111">bug 101111</a>
from <span class="vcard"><a class="email" href="mailto:radhakrishna.sripada@intel.com" title="Radhakrishna Sripada <radhakrishna.sripada@intel.com>"> <span class="fn">Radhakrishna Sripada</span></a>
</span></b>
<pre>Could you try the following diff without the patch mentioned in <a href="show_bug.cgi?id=101111#c8">comment 8</a>.
diff --git a/drivers/gpu/drm/i915/intel_bios.c
b/drivers/gpu/drm/i915/intel_bios.c
index 82b144cdfa1d..1605923100c6 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -259,6 +259,7 @@ parse_lfp_panel_data(struct drm_i915_private *dev_priv,
break;
}
+ dev_priv->vbt.drrs_type = DRRS_NOT_SUPPORTED;
lvds_lfp_data = find_section(bdb, BDB_LVDS_LFP_DATA);
if (!lvds_lfp_data)
return;</pre>
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