Commit 18febcb7 authored Sep 20, 2019 by Animesh Manna Committed by Jani Nikula Sep 23, 2019

drm/i915/dsb: feature flag added for display state buffer.



Display State Buffer(DSB) is a new hardware capability, introduced
in GEN12 display. DSB allows a driver to batch-program display HW
registers.

Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Animesh Manna <animesh.manna@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190920115930.27829-2-animesh.manna@intel.com

parent 84af7649

drivers/gpu/drm/i915/i915_drv.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -1863,6 +1863,8 @@ static inline struct drm_i915_private pdev_to_i915(struct pci_dev pdev)
		(BUILD_BUG_ON_ZERO(!__builtin_constant_p(n)) + \
		INTEL_INFO(dev_priv)->gen == (n))

		#define HAS_DSB(dev_priv) (INTEL_INFO(dev_priv)->display.has_dsb)

		/*
		* Return true if revision is in range [since,until] inclusive.
		*

drivers/gpu/drm/i915/intel_device_info.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -135,6 +135,7 @@ enum intel_ppgtt_type {
		func(has_csr); \
		func(has_ddi); \
		func(has_dp_mst); \
		func(has_dsb); \
		func(has_fbc); \
		func(has_gmch); \
		func(has_hotplug); \

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