[Intel-gfx] [PATCH 06/16] drm/i915: Track the psr dp connector in dev_priv->psr.enabled
Daniel Vetter
daniel.vetter at ffwll.ch
Wed Jun 18 13:59:07 CEST 2014
Trying to fish that one out through looping is a bit a locking
nightmare. So just set it and use it in the work struct.
v2:
- Don't Oops in psr_work, spotted by Rodrigo.
- Fix compile warning.
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/i915/i915_debugfs.c | 2 +-
drivers/gpu/drm/i915/i915_drv.h | 3 ++-
drivers/gpu/drm/i915/intel_dp.c | 22 +++++++++-------------
3 files changed, 12 insertions(+), 15 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 8057fd4fc86c..4818aff9e6d6 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1973,7 +1973,7 @@ static int i915_edp_psr_status(struct seq_file *m, void *data)
seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support));
seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok));
- seq_printf(m, "Enabled: %s\n", yesno(dev_priv->psr.enabled));
+ seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled));
seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active));
enabled = HAS_PSR(dev) &&
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 877c3e0de12e..740a0d95b89a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -633,10 +633,11 @@ struct i915_drrs {
struct intel_connector *connector;
};
+struct intel_dp;
struct i915_psr {
bool sink_support;
bool source_ok;
- bool enabled;
+ struct intel_dp *enabled;
bool active;
struct delayed_work work;
};
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 84fe5a75f8b2..00ddcaf82ae1 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1826,7 +1826,7 @@ static void intel_edp_psr_do_enable(struct intel_dp *intel_dp)
/* Enable PSR on the host */
intel_edp_psr_enable_source(intel_dp);
- dev_priv->psr.enabled = true;
+ dev_priv->psr.enabled = intel_dp;
dev_priv->psr.active = true;
}
@@ -1867,26 +1867,22 @@ void intel_edp_psr_disable(struct intel_dp *intel_dp)
EDP_PSR_STATUS_STATE_MASK) == 0, 2000, 10))
DRM_ERROR("Timed out waiting for PSR Idle State\n");
- dev_priv->psr.enabled = false;
+ dev_priv->psr.enabled = NULL;
}
static void intel_edp_psr_work(struct work_struct *work)
{
struct drm_i915_private *dev_priv =
container_of(work, typeof(*dev_priv), psr.work.work);
- struct drm_device *dev = dev_priv->dev;
- struct intel_encoder *encoder;
- struct intel_dp *intel_dp = NULL;
+ struct intel_dp *intel_dp = dev_priv->psr.enabled;
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, base.head)
- if (encoder->type == INTEL_OUTPUT_EDP) {
- intel_dp = enc_to_intel_dp(&encoder->base);
+ if (!intel_dp)
+ return;
- if (!intel_edp_psr_match_conditions(intel_dp))
- intel_edp_psr_disable(intel_dp);
- else
- intel_edp_psr_do_enable(intel_dp);
- }
+ if (!intel_edp_psr_match_conditions(intel_dp))
+ intel_edp_psr_disable(intel_dp);
+ else
+ intel_edp_psr_do_enable(intel_dp);
}
static void intel_edp_psr_inactivate(struct drm_device *dev)
--
2.0.0
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