Commit e631a440 authored by Anusha Srivatsa's avatar Anusha Srivatsa
Browse files

drm/i915/step: Add macro magic for handling steps 



With the addition of stepping info for
all platforms, lets use macros for handling them
and autogenerating code for all steps at a time.

Suggested-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: default avatarAnusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210721215238.24980-1-anusha.srivatsa@intel.com
parent 34ba3c8a

drivers/gpu/drm/i915/intel_step.c

+14 −0
Original line number Diff line number Diff line
@@ -210,3 +210,17 @@ void intel_step_init(struct drm_i915_private *i915) 


	RUNTIME_INFO(i915)->step = step;

}



#define STEP_NAME_CASE(name)	\

	case STEP_##name:	\

		return #name;



const char *intel_step_name(enum intel_step step)

{

	switch (step) {

	STEP_NAME_LIST(STEP_NAME_CASE);



	default:

		return "**";

	}

}

drivers/gpu/drm/i915/intel_step.h

+23 −15
Original line number Diff line number Diff line
@@ -15,31 +15,39 @@ struct intel_step_info { 
	u8 display_step;

};



#define STEP_ENUM_VAL(name)  STEP_##name,



#define STEP_NAME_LIST(func)		\

	func(A0)			\

	func(A1)			\

	func(A2)			\

	func(B0)			\

	func(B1)			\

	func(B2)			\

	func(C0)			\

	func(C1)			\

	func(D0)			\

	func(D1)			\

	func(E0)			\

	func(F0)			\

	func(G0)			\

	func(H0)			\

	func(I0)			\

	func(I1)			\

	func(J0)



/*

 * Symbolic steppings that do not match the hardware. These are valid both as gt

 * and display steppings as symbolic names.

 */

enum intel_step {

	STEP_NONE = 0,

	STEP_A0,

	STEP_A1,

	STEP_A2,

	STEP_B0,

	STEP_B1,

	STEP_C0,

	STEP_D0,

	STEP_D1,

	STEP_E0,

	STEP_F0,

	STEP_G0,

	STEP_H0,

	STEP_I0,

	STEP_I1,

	STEP_J0,

	STEP_NAME_LIST(STEP_ENUM_VAL)

	STEP_FUTURE,

	STEP_FOREVER,

};



void intel_step_init(struct drm_i915_private *i915);

const char *intel_step_name(enum intel_step step);



#endif /* __INTEL_STEP_H__ */