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author | Ville Syrjälä | 2017-12-08 22:37:36 +0100 |
---|---|---|
committer | Ville Syrjälä | 2017-12-22 13:22:48 +0100 |
commit | 156961ae7bdf6feb72778e8da83d321b273343fd (patch) | |
tree | 8f3c1ef9a0611f831d6fb4b67d54266cf548c791 /drivers/gpu/drm/i915/intel_runtime_pm.c | |
parent | drm/i915: Do not enable movntdqa optimization in hypervisor guest (diff) | |
download | kernel-qcow2-linux-156961ae7bdf6feb72778e8da83d321b273343fd.tar.gz kernel-qcow2-linux-156961ae7bdf6feb72778e8da83d321b273343fd.tar.xz kernel-qcow2-linux-156961ae7bdf6feb72778e8da83d321b273343fd.zip |
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>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_runtime_pm.c')
-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, BIT_ULL(POWER_DOMAIN_GT_IRQ) | \ BIT_ULL(POWER_DOMAIN_MODESET) | \ BIT_ULL(POWER_DOMAIN_AUX_A) | \ + BIT_ULL(POWER_DOMAIN_GMBUS) | \ BIT_ULL(POWER_DOMAIN_INIT)) #define CNL_DISPLAY_POWERWELL_2_POWER_DOMAINS ( \ |