[Intel-gfx] [CI 2/2] drm/i915/hotplug: refactor hotplug init slightly
Jani Nikula
jani.nikula at intel.com
Fri Sep 16 13:06:34 UTC 2022
Rename intel_hpd_init_work() to the more generic intel_hpd_init_early(),
and move the hotplug storm initialization there. This lets us move the
HPD_STORM_DEFAULT_THRESHOLD macro to intel_hotplug.c too.
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_hotplug.c | 22 +++++++++++++++-----
drivers/gpu/drm/i915/display/intel_hotplug.h | 2 +-
drivers/gpu/drm/i915/i915_drv.h | 3 ---
drivers/gpu/drm/i915/i915_irq.c | 11 +---------
4 files changed, 19 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c b/drivers/gpu/drm/i915/display/intel_hotplug.c
index 4faae25d76c0..352a1b53b63e 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug.c
+++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
@@ -90,6 +90,9 @@ enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv,
return HPD_PORT_A + port - PORT_A;
}
+/* Threshold == 5 for long IRQs, 50 for short */
+#define HPD_STORM_DEFAULT_THRESHOLD 50
+
#define HPD_STORM_DETECT_PERIOD 1000
#define HPD_STORM_REENABLE_DELAY (2 * 60 * 1000)
#define HPD_RETRY_DELAY 1000
@@ -711,14 +714,23 @@ void intel_hpd_poll_disable(struct drm_i915_private *dev_priv)
schedule_work(&dev_priv->display.hotplug.poll_init_work);
}
-void intel_hpd_init_work(struct drm_i915_private *dev_priv)
+void intel_hpd_init_early(struct drm_i915_private *i915)
{
- INIT_DELAYED_WORK(&dev_priv->display.hotplug.hotplug_work,
+ INIT_DELAYED_WORK(&i915->display.hotplug.hotplug_work,
i915_hotplug_work_func);
- INIT_WORK(&dev_priv->display.hotplug.dig_port_work, i915_digport_work_func);
- INIT_WORK(&dev_priv->display.hotplug.poll_init_work, i915_hpd_poll_init_work);
- INIT_DELAYED_WORK(&dev_priv->display.hotplug.reenable_work,
+ INIT_WORK(&i915->display.hotplug.dig_port_work, i915_digport_work_func);
+ INIT_WORK(&i915->display.hotplug.poll_init_work, i915_hpd_poll_init_work);
+ INIT_DELAYED_WORK(&i915->display.hotplug.reenable_work,
intel_hpd_irq_storm_reenable_work);
+
+ i915->display.hotplug.hpd_storm_threshold = HPD_STORM_DEFAULT_THRESHOLD;
+ /* If we have MST support, we want to avoid doing short HPD IRQ storm
+ * detection, as short HPD storms will occur as a natural part of
+ * sideband messaging with MST.
+ * On older platforms however, IRQ storms can occur with both long and
+ * short pulses, as seen on some G4x systems.
+ */
+ i915->display.hotplug.hpd_short_storm_enabled = !HAS_DP_MST(i915);
}
void intel_hpd_cancel_work(struct drm_i915_private *dev_priv)
diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.h b/drivers/gpu/drm/i915/display/intel_hotplug.h
index aa84e381d6c3..424ae5dbf5a0 100644
--- a/drivers/gpu/drm/i915/display/intel_hotplug.h
+++ b/drivers/gpu/drm/i915/display/intel_hotplug.h
@@ -22,7 +22,7 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv,
u32 pin_mask, u32 long_mask);
void intel_hpd_trigger_irq(struct intel_digital_port *dig_port);
void intel_hpd_init(struct drm_i915_private *dev_priv);
-void intel_hpd_init_work(struct drm_i915_private *dev_priv);
+void intel_hpd_init_early(struct drm_i915_private *i915);
void intel_hpd_cancel_work(struct drm_i915_private *dev_priv);
enum hpd_pin intel_hpd_pin_default(struct drm_i915_private *dev_priv,
enum port port);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9f9372931fd2..731760b7c97d 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -75,9 +75,6 @@ struct intel_limit;
struct intel_overlay_error_state;
struct vlv_s0ix_state;
-/* Threshold == 5 for long IRQs, 50 for short */
-#define HPD_STORM_DEFAULT_THRESHOLD 50
-
#define I915_GEM_GPU_DOMAINS \
(I915_GEM_DOMAIN_RENDER | \
I915_GEM_DOMAIN_SAMPLER | \
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 86a42d9e8041..de06f293e173 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -4399,7 +4399,7 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
intel_hpd_init_pins(dev_priv);
- intel_hpd_init_work(dev_priv);
+ intel_hpd_init_early(dev_priv);
dev->vblank_disable_immediate = true;
@@ -4413,15 +4413,6 @@ void intel_irq_init(struct drm_i915_private *dev_priv)
if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv))
dev_priv->display_irqs_enabled = false;
- dev_priv->display.hotplug.hpd_storm_threshold = HPD_STORM_DEFAULT_THRESHOLD;
- /* If we have MST support, we want to avoid doing short HPD IRQ storm
- * detection, as short HPD storms will occur as a natural part of
- * sideband messaging with MST.
- * On older platforms however, IRQ storms can occur with both long and
- * short pulses, as seen on some G4x systems.
- */
- dev_priv->display.hotplug.hpd_short_storm_enabled = !HAS_DP_MST(dev_priv);
-
if (HAS_GMCH(dev_priv)) {
if (I915_HAS_HOTPLUG(dev_priv))
dev_priv->display.funcs.hotplug = &i915_hpd_funcs;
--
2.34.1
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