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/i915_drv.h | |
| parent | 48cf0a1ec1701787945008c945aa35bb6cfacb70 (diff) | |
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/i915_drv.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index d14e07315512..a86a6ea3849f 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -163,7 +163,7 @@ enum hpd_pin { #define HPD_STORM_DEFAULT_THRESHOLD 50 struct i915_hotplug { - struct work_struct hotplug_work; + struct delayed_work hotplug_work; struct { unsigned long last_jiffies; @@ -175,6 +175,7 @@ struct i915_hotplug { } state; } stats[HPD_NUM_PINS]; u32 event_bits; + u32 retry_bits; struct delayed_work reenable_work; u32 long_port_mask; |