summaryrefslogtreecommitdiffstats
path: root/drivers/gpu
diff options
context:
space:
mode:
authorChris Wilson2017-03-09 15:20:49 +0100
committerChris Wilson2017-03-09 22:27:51 +0100
commit7342a72cc40b4cf50013f8230a6b879e2ba5a73e (patch)
tree9c0d824b9cd95fc1de5cf60174ce3f760cae2ef2 /drivers/gpu
parentdrm/i915: Initialize pm_intr_keep during intel_irq_init for GuC (diff)
downloadkernel-qcow2-linux-7342a72cc40b4cf50013f8230a6b879e2ba5a73e.tar.gz
kernel-qcow2-linux-7342a72cc40b4cf50013f8230a6b879e2ba5a73e.tar.xz
kernel-qcow2-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')
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c4
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))