diff options
| author | Alex Dai <yu.dai@intel.com> | 2015-08-19 00:34:47 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-09-02 11:39:01 +0300 |
| commit | f5d3c3eaab1d9e38854deb0251e659d04e3bc771 (patch) | |
| tree | 40185946dc93e1eb9965c2378ecdb0e3ac9f22e9 | |
| parent | aa557ab01576531c39fa3e7ceaa33314f65164fd (diff) | |
| download | linux-f5d3c3eaab1d9e38854deb0251e659d04e3bc771.tar.xz | |
drm/i915: Notify GuC rc6 state
If rc6 is enabled, notify GuC so it can do proper forcewake before
command submission.
Signed-off-by: Alex Dai <yu.dai@intel.com>
Reviewed-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/i915_guc_submission.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index ec703937f363..792d0b958a2c 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -151,6 +151,18 @@ static int host2guc_release_doorbell(struct intel_guc *guc, return host2guc_action(guc, data, 2); } +static int host2guc_sample_forcewake(struct intel_guc *guc, + struct i915_guc_client *client) +{ + struct drm_i915_private *dev_priv = guc_to_i915(guc); + u32 data[2]; + + data[0] = HOST2GUC_ACTION_SAMPLE_FORCEWAKE; + data[1] = (intel_enable_rc6(dev_priv->dev)) ? 1 : 0; + + return host2guc_action(guc, data, 2); +} + /* * Initialise, update, or clear doorbell data shared with the GuC * @@ -874,6 +886,9 @@ int i915_guc_submission_enable(struct drm_device *dev) } guc->execbuf_client = client; + + host2guc_sample_forcewake(guc, client); + return 0; } |