Commit cbb6ea8c authored Oct 14, 2020 by Anshuman Gupta Committed by Lucas De Marchi Oct 15, 2020

drm/i915/dg1: DG1 does not support DC6

DC6 is not supported on DG1, so change the allowed DC mask for DG1.
This is not yet on bspec, but it has been confirmed by HW engineers.

Cc: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201014191937.1266226-9-lucas.demarchi@intel.com

parent da942750

drivers/gpu/drm/i915/display/intel_display_power.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -4492,6 +4492,9 @@ static u32 get_allowed_dc_mask(const struct drm_i915_private *dev_priv,
		int max_dc;

		if (INTEL_GEN(dev_priv) >= 12) {
		if (IS_DG1(dev_priv))
		max_dc = 3;
		else
		max_dc = 4;
		/*
		* DC9 has a separate HW flow from the rest of the DC states,