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| author | Chris Wilson | 2017-01-25 14:48:08 +0100 |
|---|---|---|
| committer | Chris Wilson | 2017-01-26 18:10:36 +0100 |
| commit | ed576a5ca47fbe374cd762cb1fde4bdc41e233b4 (patch) | |
| tree | 7f110318dddf8d84a2677964c8a2f660fd8697a2 /arch/x86/kernel/early-quirks.c | |
| parent | drm/i915: Report the failure to write to the punit (diff) | |
| download | kernel-qcow2-linux-ed576a5ca47fbe374cd762cb1fde4bdc41e233b4.tar.gz kernel-qcow2-linux-ed576a5ca47fbe374cd762cb1fde4bdc41e233b4.tar.xz kernel-qcow2-linux-ed576a5ca47fbe374cd762cb1fde4bdc41e233b4.zip | |
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>
Diffstat (limited to 'arch/x86/kernel/early-quirks.c')
0 files changed, 0 insertions, 0 deletions