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drm/i915: Track the psr dp connector in dev_priv->psr.enabled

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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.

Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2014-07-11 10:30:11 -07:00
parent 1fcc9d1cf3
commit 2807cf69df
3 changed files with 12 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/i915/i915_debugfs.c
View File

@ -1894,7 +1894,7 @@ 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) &&

3
drivers/gpu/drm/i915/i915_drv.h
View File

@ -658,10 +658,11 @@ 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;
};

22
drivers/gpu/drm/i915/intel_dp.c
View File

@ -1843,7 +1843,7 @@ 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;
}
@ -1884,26 +1884,22 @@ 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)