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| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2017-12-08 23:37:36 +0200 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2018-01-02 13:45:06 +0200 |
| commit | 3488d0237f6364614f0c59d6d784bb79b11eeb92 (patch) | |
| tree | 8654bd9e3d8314a142131c4bb192e2022c19280a /drivers/gpu/drm/i915 | |
| parent | e0093a89f2386f12cc87047b43e93c3c6e15e94e (diff) | |
| download | linux-3488d0237f6364614f0c59d6d784bb79b11eeb92.tar.bz2 | |
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>
(cherry picked from commit 156961ae7bdf6feb72778e8da83d321b273343fd)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -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 8af286c63d3b..9bf46ab211cb 100644 --- a/drivers/gpu/drm/i915/intel_runtime_pm.c +++ b/drivers/gpu/drm/i915/intel_runtime_pm.c @@ -1786,6 +1786,7 @@ void intel_display_power_put(struct drm_i915_private *dev_priv, GLK_DISPLAY_POWERWELL_2_POWER_DOMAINS | \ 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 ( \ |