commit | ed576a5ca47fbe374cd762cb1fde4bdc41e233b4 | [log] [tgz] |
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author | Chris Wilson <chris@chris-wilson.co.uk> | Wed Jan 25 13:48:08 2017 +0000 |
committer | Chris Wilson <chris@chris-wilson.co.uk> | Thu Jan 26 17:10:36 2017 +0000 |
tree | 7f110318dddf8d84a2677964c8a2f660fd8697a2 | |
parent | 9fcee2f77e88f1d7c3f72fca418cdae3e79a6e83 [diff] |
drm/i915: Also clear the punit's PDATA sideband register As the previous punit i/o may have failed, the contents of the PDATA are undefined. Always clear it to 0 prior to sending the command. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Mika Kuoppala <mika.kuoppala@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170125134808.6152-2-chris@chris-wilson.co.uk Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>