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| author | Imre Deak | 2017-02-17 16:39:46 +0100 |
|---|---|---|
| committer | Imre Deak | 2017-02-20 13:53:34 +0100 |
| commit | 8d8c386c38692c1183b2c0ecffb84de91b8b32b0 (patch) | |
| tree | 4c4b51e08d81af43f0d0141455c20b6f89112af3 /drivers/gpu/drm/i915/intel_display.c | |
| parent | drm/i915: Preserve the state of power wells not explicitly enabled (diff) | |
| download | kernel-qcow2-linux-8d8c386c38692c1183b2c0ecffb84de91b8b32b0.tar.gz kernel-qcow2-linux-8d8c386c38692c1183b2c0ecffb84de91b8b32b0.tar.xz kernel-qcow2-linux-8d8c386c38692c1183b2c0ecffb84de91b8b32b0.zip | |
drm/i915: Add power well SW/HW state verification
Verify that the refcount of all power wells match their HW enabled
state at the end of modeset HW state readout.
Also add documentation on how the reference count for each power well is
supposed to be acquired during initialization and HW state readout.
Suggested by Ander.
Cc: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Cc: David Weinehall <david.weinehall@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1487345986-26511-6-git-send-email-imre.deak@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index b60373812d34..e1e828a8c524 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -15540,6 +15540,8 @@ intel_modeset_setup_hw_state(struct drm_device *dev) } intel_display_set_init_power(dev_priv, false); + intel_power_domains_verify_state(dev_priv); + intel_fbc_init_pipe_state(dev_priv); } |