[PATCH 18/18] debug
Ander Conselvan de Oliveira
ander.conselvan.de.oliveira at intel.com
Fri May 13 12:49:54 UTC 2016
---
drivers/gpu/drm/i915/intel_runtime_pm.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_runtime_pm.c b/drivers/gpu/drm/i915/intel_runtime_pm.c
index c181691..745b6c6 100644
--- a/drivers/gpu/drm/i915/intel_runtime_pm.c
+++ b/drivers/gpu/drm/i915/intel_runtime_pm.c
@@ -1020,11 +1020,21 @@ static void vlv_display_power_well_enable(struct drm_i915_private *dev_priv,
static void vlv_display_power_well_disable(struct drm_i915_private *dev_priv,
struct i915_power_well *power_well)
{
+ enum pipe pipe;
+
WARN_ON_ONCE(power_well->data != PUNIT_POWER_WELL_DISP2D);
+ for_each_pipe(dev_priv, pipe)
+ DRM_DEBUG_KMS("[before] %c pll: %08x",
+ pipe_name(pipe), I915_READ(DPLL(pipe)));
+
vlv_display_power_well_deinit(dev_priv);
vlv_set_power_well(dev_priv, power_well, false);
+
+ for_each_pipe(dev_priv, pipe)
+ DRM_DEBUG_KMS("[after] %c pll: %08x",
+ pipe_name(pipe), I915_READ(DPLL(pipe)));
}
static void vlv_dpio_cmn_power_well_enable(struct drm_i915_private *dev_priv,
--
2.5.5
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