diff options
| author | Damien Lespiau <damien.lespiau@intel.com> | 2013-06-07 17:41:14 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-07-16 10:33:22 +0200 |
| commit | eb4926e4a6e3922398fd6880f07a84db95aa3741 (patch) | |
| tree | 3c2ea5e84d16a098b50fd42770abf0824249c098 | |
| parent | 19bc678a6066d4ecca938c50ac2f9e9ccfb0ddbe (diff) | |
drm/i915: Don't try to calculate RC6 residency on GEN4 and before
intel_enable_rc6() is used to check if we can compute the RC6 residency
in the sysfs code. Disable this for platforms older than Ironlake.
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_pm.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 9b95f78d352..e81d37667bc 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3167,6 +3167,10 @@ static void valleyview_disable_rps(struct drm_device *dev) int intel_enable_rc6(const struct drm_device *dev) { + /* No RC6 before Ironlake */ + if (INTEL_INFO(dev)->gen < 5) + return 0; + /* Respect the kernel parameter if it is set */ if (i915_enable_rc6 >= 0) return i915_enable_rc6; |