It was identified that in some cases when moving cursor Hardware can do mistake with idle_frame count. So Spec is being updated to use 2 as minimum idle_frames.
Reference: https://hsdhsw.intel.com/hsd/haswell_platform/default.aspx#sighting/default.aspx?sighting_id=4394433 Cc: Arthur Runyan <[email protected]> Cc: Jani Nikula <[email protected]> Signed-off-by: Rodrigo Vivi <[email protected]> --- drivers/gpu/drm/i915/intel_dp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 47e9d71..8cfbbc2 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2178,7 +2178,7 @@ static void intel_edp_psr_enable_source(struct intel_dp *intel_dp) struct drm_device *dev = dig_port->base.base.dev; struct drm_i915_private *dev_priv = dev->dev_private; uint32_t max_sleep_time = 0x1f; - uint32_t idle_frames = 1; + uint32_t idle_frames = 2; /* 2 is the minimum allowed */ uint32_t val = 0x0; const uint32_t link_entry_time = EDP_PSR_MIN_LINK_ENTRY_TIME_8_LINES; bool only_standby = false; -- 1.9.3 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
