drm/amdgpu: retry dcpd fetch

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Retry the dpcd fetch several times.  Some eDP panels
fail several times before the fetch is successful.

bug:
https://bugs.freedesktop.org/show_bug.cgi?id=73530

Ported from radeon.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Alex Deucher 2015-05-18 18:15:07 -04:00

parent 7af93b5069

commit 67ed009232

1 changed files with 11 additions and 9 deletions

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drivers/gpu/drm/amd/amdgpu/atombios_dp.c

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