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| author | Chris Wilson <chris@chris-wilson.co.uk> | 2017-03-09 14:20:49 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2017-03-09 21:27:51 +0000 |
| commit | 7342a72cc40b4cf50013f8230a6b879e2ba5a73e (patch) | |
| tree | 9c0d824b9cd95fc1de5cf60174ce3f760cae2ef2 /drivers/gpu/drm/i915/i915_debugfs.c | |
| parent | 9735b04d0c1b766255e5860c09928b4cd46c092a (diff) | |
| download | blackbird-op-linux-7342a72cc40b4cf50013f8230a6b879e2ba5a73e.tar.gz blackbird-op-linux-7342a72cc40b4cf50013f8230a6b879e2ba5a73e.zip | |
drm/i915: Ignore skl+ for debugfs/i915_sr_status
There is no easily digestible single self-refresh status bit, so don't
report one for debugfs/i915_sr_status on gen9+. For the moment this
avoids a read of the non-existent WM1_LP_ILK register.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170309142049.16033-1-chris@chris-wilson.co.uk
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index fd0aa29e0c3b..115433d46477 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1749,7 +1749,9 @@ static int i915_sr_status(struct seq_file *m, void *unused) intel_runtime_pm_get(dev_priv); intel_display_power_get(dev_priv, POWER_DOMAIN_INIT); - if (HAS_PCH_SPLIT(dev_priv)) + if (INTEL_GEN(dev_priv) >= 9) + /* no global SR status; inspect per-plane WM */; + else if (HAS_PCH_SPLIT(dev_priv)) sr_enabled = I915_READ(WM1_LP_ILK) & WM1_LP_SR_EN; else if (IS_I965GM(dev_priv) || IS_G4X(dev_priv) || IS_I945G(dev_priv) || IS_I945GM(dev_priv)) |
