[Bug 101111] [Regression BDW] backlight flickering/display artifacting on Broadwell integrated graphics with 4.12-rc1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101111

--- Comment #30 from Radhakrishna Sripada <radhakrishna.sripada at intel.com> ---
Could you try the following diff without the patch mentioned in comment 8.

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;

-- 
You are receiving this mail because:
You are on the CC list for the bug.
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20170814/a21be49b/attachment.html>