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drm/dp: Fix read pointer for drm_dp_downsteam_debug()

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Pass in the array and not a pointer to the array to drm_dp_dpcd_read().

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20170720174532.23377-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2017-07-20 18:45:31 +01:00 committed by Jani Nikula
parent 636c4c3e76
commit c11a93f5fd
1 changed files with 1 additions and 1 deletions
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drivers/gpu/drm/drm_dp_helper.c
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@ -591,7 +591,7 @@ void drm_dp_downstream_debug(struct seq_file *m,
seq_printf(m, "\t\tHW: %d.%d\n",
(rev[0] & 0xf0) >> 4, rev[0] & 0xf);
len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, &rev, 2);
len = drm_dp_dpcd_read(aux, DP_BRANCH_SW_REV, rev, 2);
if (len > 0)
seq_printf(m, "\t\tSW: %d.%d\n", rev[0], rev[1]);