Comment # 10
on bug 108781
from jamespharvey20@gmail.com
Bisecting results are below. This is an Asus model STRIX-R9390-DC3OC-8GD5-GAMING. Don't think is relevant, oter than why someone was looking at this code, but this commit immediately trails a bunch of the vkms commits, and the crash/to black screen happens right when amdgpu is attempting to automatically switch to kms. 0d99889109892396a8164bf6dd178e36d3fe3166 is the first bad commit commit 0d99889109892396a8164bf6dd178e36d3fe3166 Author: Ville Syrjälä <ville.syrjala@linux.intel.com> Date: Thu Jun 28 16:13:07 2018 +0300 drm/fb-helper: Eliminate the .best_encoder() usage Instead of using the .best_encoder() hook to figure out whether a given connector+crtc combo will work, let's instead do what userspace does and just iterate over all the encoders for the connector, and then check each crtc against each encoder's possible_crtcs bitmask. v2: Avoid oopsing on NULL encoders (Daniel) s/connector_crtc_ok/connector_has_possible_crtc/ Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com> Cc: Harry Wentland <harry.wentland@amd.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Suggested-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: 20180628131315.14156-2-ville.syrjala@linux.intel.com">https://patchwork.freedesktop.org/patch/msgid/20180628131315.14156-2-ville.syrjala@linux.intel.com
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