DC3C0 could have already exit so no need to always sleep, so lets read the register with the state. Cc: Imre Deak <imre.deak@xxxxxxxxx> Cc: Anshuman Gupta <anshuman.gupta@xxxxxxxxx> Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_display_power.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c index 707ac110e271..00037c529a33 100644 --- a/drivers/gpu/drm/i915/display/intel_display_power.c +++ b/drivers/gpu/drm/i915/display/intel_display_power.c @@ -812,7 +812,7 @@ static void tgl_disable_dc3co(struct drm_i915_private *dev_priv) /* * Delay of 200us DC3CO Exit time B.Spec 49196 */ - usleep_range(200, 210); + intel_de_wait_for_set(dev_priv, DC_STATE_EN, DC_STATE_DC3CO_STATUS, 1); } static void bxt_enable_dc9(struct drm_i915_private *dev_priv) -- 2.23.0 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
