diff options
| author | Patrik Jakobsson <patrik.jakobsson@linux.intel.com> | 2016-02-18 17:21:11 +0200 |
|---|---|---|
| committer | Imre Deak <imre.deak@intel.com> | 2016-02-22 17:18:21 +0200 |
| commit | 832dba889e27487c3087149f1039acc3feb89003 (patch) | |
| tree | a6e121255752fde2aaf8a0b2fd347b000df09977 /drivers/gpu/drm/i915/intel_csr.c | |
| parent | a98ee79317b4091cafb502b4ffdbbbe1335e298c (diff) | |
drm/i915/gen9: Check for DC state mismatch
The DMC can incorrectly run off and allow DC states on it's own. We
don't know the root-cause for this yet but this patch makes it more
visible.
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Patrik Jakobsson <patrik.jakobsson@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1455808874-22089-2-git-send-email-mika.kuoppala@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/intel_csr.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_csr.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c index 2a7ec3141c8d..b453fccfa25d 100644 --- a/drivers/gpu/drm/i915/intel_csr.c +++ b/drivers/gpu/drm/i915/intel_csr.c @@ -243,6 +243,8 @@ void intel_csr_load_program(struct drm_i915_private *dev_priv) I915_WRITE(dev_priv->csr.mmioaddr[i], dev_priv->csr.mmiodata[i]); } + + dev_priv->csr.dc_state = 0; } static uint32_t *parse_csr_fw(struct drm_i915_private *dev_priv, |