drm/i915/gen11: fix the SAGV block time for gen11 (4357ce07) · Commits · 戴 / test

It's 10us for gen 11. Reviewed-by:

drivers/gpu/drm/i915/intel_pm.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -3694,11 +3694,18 @@ bool intel_can_enable_sagv(struct drm_atomic_state *state)
		struct intel_crtc_state *cstate;
		enum pipe pipe;
		int level, latency;
		int sagv_block_time_us = IS_GEN9(dev_priv) ? 30 : 20;
		int sagv_block_time_us;

		if (!intel_has_sagv(dev_priv))
		return false;

		if (IS_GEN9(dev_priv))
		sagv_block_time_us = 30;
		else if (IS_GEN10(dev_priv))
		sagv_block_time_us = 20;
		else
		sagv_block_time_us = 10;

		/*
		* SKL+ workaround: bspec recommends we disable the SAGV when we have
		* more then one pipe enabled