diff options
| author | Imre Deak <imre.deak@intel.com> | 2019-07-11 17:53:42 -0700 |
|---|---|---|
| committer | José Roberto de Souza <jose.souza@intel.com> | 2019-07-15 12:13:34 -0700 |
| commit | 3944709df8e9298225fc2b29e53ee8e6f4b26618 (patch) | |
| tree | c666a0bb5cb1ae40e481a078c99cd80bc6058c9d /drivers/gpu/drm/i915/display/intel_hotplug.h | |
| parent | 48cf0a1ec1701787945008c945aa35bb6cfacb70 (diff) | |
| download | linux-3944709df8e9298225fc2b29e53ee8e6f4b26618.tar.gz | |
drm/i915: Add support for retrying hotplug
There is some scenarios that we are aware that sink probe can fail,
so lets add the infrastructure to let hotplug() hook to request
another probe after some time.
v2: Handle shared HPD pins (Imre)
v3: Rebased
v4: Renamed INTEL_HOTPLUG_NOCHANGE to INTEL_HOTPLUG_UNCHANGED to keep
it consistent(Rodrigo)
v5: Making the working queue used explicit through all the callers to
hotplug_work (Ville)
Tested-by: Timo Aaltonen <tjaalton@ubuntu.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190712005343.24571-1-jose.souza@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_hotplug.h')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_hotplug.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.h b/drivers/gpu/drm/i915/display/intel_hotplug.h index 805f897dbb7a..b0cd447b7fbc 100644 --- a/drivers/gpu/drm/i915/display/intel_hotplug.h +++ b/drivers/gpu/drm/i915/display/intel_hotplug.h @@ -15,8 +15,9 @@ struct intel_connector; struct intel_encoder; void intel_hpd_poll_init(struct drm_i915_private *dev_priv); -bool intel_encoder_hotplug(struct intel_encoder *encoder, - struct intel_connector *connector); +enum intel_hotplug_state intel_encoder_hotplug(struct intel_encoder *encoder, + struct intel_connector *connector, + bool irq_received); void intel_hpd_irq_handler(struct drm_i915_private *dev_priv, u32 pin_mask, u32 long_mask); void intel_hpd_init(struct drm_i915_private *dev_priv); |