[SRU][OEM-OSP1-B][PATCH 0/1] ICL hdmi audio doesn't work stable
hui.wang at canonical.com
Fri Jul 19 06:59:05 UTC 2019
This patch is needed to be merged to oem-osp1-b kernel ASAP, since
our oem project is waiting for this patch.
After we get the real fix, I will revert this patch.
On a Dell icelake platform, the hdmi audio doesn't work well, it has a
failure rate that the hdmi audio doesn't work.
set disable_power_well=0 for icl graphic card
after applying the patchset, we plug hdmi cable and the hdmi audio shows up
in the sound-setting and works well, after unplugging the cable, the hdmi
audio disappears as expected. and repeat 20 times, the hdmi audio always
Low. this patchset is specific to icl graphic card
Hui Wang (1):
UBUNTU: SAUCE: i915: set disable_power_well=0 for icl temporarily
drivers/gpu/drm/i915/intel_runtime_pm.c | 5 +++++
1 file changed, 5 insertions(+)
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