[PATCH v3 03/27] drm/i915/slpc: Add has_slpc capability flag

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From: Tom O'Rourke <Tom.O'Rourke@xxxxxxxxx>

Add has_slpc capablity flag to indicate GuC firmware
supports single loop power control (SLPC).  SLPC is
a replacement for some host-based power management
features.

v1: fix whitespace (Sagar)

Reviewed-by: David Weinehall <david.weinehall@xxxxxxxxxxxxxxx>
Signed-off-by: Tom O'Rourke <Tom.O'Rourke@xxxxxxxxx>
Signed-off-by: Sagar Arun Kamble <sagar.a.kamble@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_drv.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 41e4178..9f2f10a 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -652,6 +652,7 @@ struct intel_csr {
 	func(is_kabylake) sep \
 	func(is_preliminary) sep \
 	func(has_fbc) sep \
+	func(has_slpc) sep \
 	func(has_pipe_cxsr) sep \
 	func(has_hotplug) sep \
 	func(cursor_needs_physical) sep \
@@ -2791,6 +2792,7 @@ struct drm_i915_cmd_table {
 #define HAS_GUC(dev)		(IS_GEN9(dev))
 #define HAS_GUC_UCODE(dev)	(HAS_GUC(dev))
 #define HAS_GUC_SCHED(dev)	(HAS_GUC(dev))
+#define HAS_SLPC(dev)		(INTEL_INFO(dev)->has_slpc)
 
 #define HAS_RESOURCE_STREAMER(dev) (IS_HASWELL(dev) || \
 				    INTEL_INFO(dev)->gen >= 8)
-- 
1.9.1

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