diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2017-12-08 16:37:36 -0500 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2017-12-22 07:22:48 -0500 |
| commit | 156961ae7bdf6feb72778e8da83d321b273343fd (patch) | |
| tree | 8f3c1ef9a0611f831d6fb4b67d54266cf548c791 | |
| parent | 219af7331f37e0e803688f6c5f7d29bc6204e88e (diff) | |
drm/i915: Disable DC states around GMBUS on GLK
Prevent the DMC from destroying GMBUS transfers on GLK. GMBUS
lives in PG1 so DC off is all we need.
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171208213739.16388-1-ville.syrjala@linux.intel.com
Reviewed-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_runtime_pm.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c index 96ab74f3d101..522e0a63090f 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c | |||
| @@ -1792,6 +1792,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, | |||
| 1792 | BIT_ULL(POWER_DOMAIN_GT_IRQ) | \ | 1792 | BIT_ULL(POWER_DOMAIN_GT_IRQ) | \ |
| 1793 | BIT_ULL(POWER_DOMAIN_MODESET) | \ | 1793 | BIT_ULL(POWER_DOMAIN_MODESET) | \ |
| 1794 | BIT_ULL(POWER_DOMAIN_AUX_A) | \ | 1794 | BIT_ULL(POWER_DOMAIN_AUX_A) | \ |
| 1795 | BIT_ULL(POWER_DOMAIN_GMBUS) | \ | ||
| 1795 | BIT_ULL(POWER_DOMAIN_INIT)) | 1796 | BIT_ULL(POWER_DOMAIN_INIT)) |
| 1796 | 1797 | ||
| 1797 | #define CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ | 1798 | #define CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ |