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drm/radeon: retry dcpd fetch
authorAlex Deucher <alexander.deucher@amd.com>
Mon, 18 May 2015 14:38:25 +0000 (10:38 -0400)
committerSasha Levin <sasha.levin@oracle.com>
Wed, 10 Jun 2015 17:42:42 +0000 (13:42 -0400)
commit33c2de6b41bf6555189fa67a5779d78bed324675
tree1dfd0eb60ccd4313bd7d5d4b56af57e14ff0edaftree
parentb772265d7dd5f06e5796d304c413e1a49f2fcde7commit | diff
drm/radeon: retry dcpd fetch

[ Upstream commit 0f28d1281b6c54cc98746ae61e44e7f540758ed4 ]

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

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
drivers/gpu/drm/radeon/atombios_dp.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git