diff options
| author | Jim Bride <jim.bride@linux.intel.com> | 2017-08-08 14:51:34 -0700 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2017-08-09 10:48:36 -0700 |
| commit | 912d64123d354dd2e4ced479e1d93e74ea4c99a8 (patch) | |
| tree | 883487ef594b79d7cf2dc97d14165d3879c99a3b /Documentation/gpu | |
| parent | ea46708f079d031f9e356b71a493940fd13fc2cf (diff) | |
drm/i915/psr: Preserve SRD_CTL bit 29 on PSR init
Bit 29 of SRD_CTL needs to have its value preserved according to the
B-Spec, so right before we write out the register we go ahead and read
the register and preserve the value of that bit before we write out
the configured register value.
v2: Spaces => tabs, minor name change, and commit message wording (Rodrigo)
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jim Bride <jim.bride@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1502229094-13392-1-git-send-email-jim.bride@linux.intel.com
Diffstat (limited to 'Documentation/gpu')
0 files changed, 0 insertions, 0 deletions