[Intel-gfx] [PATCH 09/13] drm/i915: add update function to disable/enable-back PSR
Rodrigo Vivi
rodrigo.vivi at gmail.com
Wed Jun 12 22:55:50 CEST 2013
Required function to disable PSR when going to console mode.
But also can be used whenever PSR mode entry conditions changed.
---
drivers/gpu/drm/i915/intel_display.c | 1 +
drivers/gpu/drm/i915/intel_dp.c | 32 +++++++++++++++++++++++++++++++-
drivers/gpu/drm/i915/intel_drv.h | 1 +
3 files changed, 33 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ccd28f4..c62fe39 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2233,6 +2233,7 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y,
}
intel_update_fbc(dev);
+ intel_edp_psr_update(dev);
mutex_unlock(&dev->struct_mutex);
intel_crtc_update_sarea_pos(crtc, x, y);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index e7cd6e0..ea88207 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1520,7 +1520,7 @@ static bool intel_edp_psr_match_conditions(struct intel_dp *intel_dp)
return true;
}
-void intel_edp_psr_enable(struct intel_dp* intel_dp)
+void intel_edp_psr_do_enable(struct intel_dp* intel_dp)
{
struct drm_device *dev = intel_dp_to_dev(intel_dp);
struct drm_i915_private *dev_priv = dev->dev_private;
@@ -1572,6 +1572,15 @@ void intel_edp_psr_enable(struct intel_dp* intel_dp)
intel_edp_psr_enable_src(intel_dp);
}
+void intel_edp_psr_enable(struct intel_dp* intel_dp)
+{
+ struct drm_device *dev = intel_dp_to_dev(intel_dp);
+
+ if (intel_edp_psr_match_conditions(intel_dp) &&
+ !intel_edp_is_psr_enabled(dev))
+ intel_edp_psr_do_enable(intel_dp);
+}
+
void intel_edp_psr_disable(struct intel_dp* intel_dp)
{
struct drm_device *dev = intel_dp_to_dev(intel_dp);
@@ -1594,6 +1603,26 @@ void intel_edp_psr_disable(struct intel_dp* intel_dp)
intel_wait_for_vblank(dev, intel_crtc->pipe);
}
+void intel_edp_psr_update(struct drm_device *dev)
+{
+ struct intel_encoder *encoder;
+ struct intel_dp *intel_dp = NULL;
+
+ 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 (!is_edp_psr(intel_dp))
+ return;
+
+ if (!intel_edp_psr_match_conditions(intel_dp))
+ intel_edp_psr_disable(intel_dp);
+ else
+ if (!intel_edp_is_psr_enabled(dev))
+ intel_edp_psr_do_enable(intel_dp);
+ }
+}
+
static void intel_disable_dp(struct intel_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
@@ -1626,6 +1655,7 @@ static void intel_post_disable_dp(struct intel_encoder *encoder)
}
}
+
static void intel_enable_dp(struct intel_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 5113572..c6c8076 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -811,5 +811,6 @@ extern bool intel_set_pch_fifo_underrun_reporting(struct drm_device *dev,
extern void intel_edp_psr_enable(struct intel_dp* intel_dp);
extern void intel_edp_psr_disable(struct intel_dp* intel_dp);
+extern void intel_edp_psr_update(struct drm_device *dev);
#endif /* __INTEL_DRV_H__ */
--
1.7.11.7
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