drm/xe/kunit: Promote fake platform parameter list

The list of all known representative platforms defined in xe_wa
could be used in more places by other test suites.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20250829171922.572-6-michal.wajdeczko@intel.com

Author: mwajdecz

drivers/gpu/drm/xe/tests/xe_pci.c

@@ -12,6 +12,75 @@
 #include <kunit/test-bug.h>
 #include <kunit/visibility.h>
 
+#define PLATFORM_CASE(platform__, graphics_step__)					\
+	{										\
+		.platform = XE_ ## platform__,						\
+		.subplatform = XE_SUBPLATFORM_NONE,					\
+		.step = { .graphics = STEP_ ## graphics_step__ }			\
+	}
+
+#define SUBPLATFORM_CASE(platform__, subplatform__, graphics_step__)			\
+	{										\
+		.platform = XE_ ## platform__,						\
+		.subplatform = XE_SUBPLATFORM_ ## platform__ ## _ ## subplatform__,	\
+		.step = { .graphics = STEP_ ## graphics_step__ }			\
+	}
+
+#define GMDID_CASE(platform__, graphics_verx100__, graphics_step__,			\
+		   media_verx100__, media_step__)					\
+	{										\
+		.platform = XE_ ## platform__,						\
+		.subplatform = XE_SUBPLATFORM_NONE,					\
+		.graphics_verx100 = graphics_verx100__,					\
+		.media_verx100 = media_verx100__,					\
+		.step = { .graphics = STEP_ ## graphics_step__,				\
+			   .media = STEP_ ## media_step__ }				\
+	}
+
+static const struct xe_pci_fake_data cases[] = {
+	PLATFORM_CASE(TIGERLAKE, B0),
+	PLATFORM_CASE(DG1, A0),
+	PLATFORM_CASE(DG1, B0),
+	PLATFORM_CASE(ALDERLAKE_S, A0),
+	PLATFORM_CASE(ALDERLAKE_S, B0),
+	PLATFORM_CASE(ALDERLAKE_S, C0),
+	PLATFORM_CASE(ALDERLAKE_S, D0),
+	PLATFORM_CASE(ALDERLAKE_P, A0),
+	PLATFORM_CASE(ALDERLAKE_P, B0),
+	PLATFORM_CASE(ALDERLAKE_P, C0),
+	SUBPLATFORM_CASE(ALDERLAKE_S, RPLS, D0),
+	SUBPLATFORM_CASE(ALDERLAKE_P, RPLU, E0),
+	SUBPLATFORM_CASE(DG2, G10, C0),
+	SUBPLATFORM_CASE(DG2, G11, B1),
+	SUBPLATFORM_CASE(DG2, G12, A1),
+	GMDID_CASE(METEORLAKE, 1270, A0, 1300, A0),
+	GMDID_CASE(METEORLAKE, 1271, A0, 1300, A0),
+	GMDID_CASE(METEORLAKE, 1274, A0, 1300, A0),
+	GMDID_CASE(LUNARLAKE, 2004, A0, 2000, A0),
+	GMDID_CASE(LUNARLAKE, 2004, B0, 2000, A0),
+	GMDID_CASE(BATTLEMAGE, 2001, A0, 1301, A1),
+	GMDID_CASE(PANTHERLAKE, 3000, A0, 3000, A0),
+};
+
+KUNIT_ARRAY_PARAM(platform, cases, xe_pci_fake_data_desc);
+
+/**
+ * xe_pci_fake_data_gen_params - Generate struct xe_pci_fake_data parameters
+ * @prev: the pointer to the previous parameter to iterate from or NULL
+ * @desc: output buffer with minimum size of KUNIT_PARAM_DESC_SIZE
+ *
+ * This function prepares struct xe_pci_fake_data parameter.
+ *
+ * To be used only as a parameter generator function in &KUNIT_CASE_PARAM.
+ *
+ * Return: pointer to the next parameter or NULL if no more parameters
+ */
+const void *xe_pci_fake_data_gen_params(const void *prev, char *desc)
+{
+	return platform_gen_params(prev, desc);
+}
+EXPORT_SYMBOL_IF_KUNIT(xe_pci_fake_data_gen_params);
+
 static const struct xe_device_desc *lookup_desc(enum xe_platform p)
 {
 	const struct xe_device_desc *desc;

drivers/gpu/drm/xe/tests/xe_pci_test.h

@@ -24,6 +24,7 @@ struct xe_pci_fake_data {
 };
 
 int xe_pci_fake_device_init(struct xe_device *xe);
+const void *xe_pci_fake_data_gen_params(const void *prev, char *desc);
 void xe_pci_fake_data_desc(const struct xe_pci_fake_data *param, char *desc);
 
 const void *xe_pci_graphics_ip_gen_param(const void *prev, char *desc);

drivers/gpu/drm/xe/tests/xe_wa_test.c

@@ -15,59 +15,6 @@
 #include "xe_tuning.h"
 #include "xe_wa.h"
 
-#define PLATFORM_CASE(platform__, graphics_step__)				\
-	{									\
-		.platform = XE_ ## platform__,					\
-		.subplatform = XE_SUBPLATFORM_NONE,				\
-		.step = { .graphics = STEP_ ## graphics_step__ }		\
-	}
-
-
-#define SUBPLATFORM_CASE(platform__, subplatform__, graphics_step__)			\
-	{										\
-		.platform = XE_ ## platform__,						\
-		.subplatform = XE_SUBPLATFORM_ ## platform__ ## _ ## subplatform__,	\
-		.step = { .graphics = STEP_ ## graphics_step__ }			\
-	}
-
-#define GMDID_CASE(platform__, graphics_verx100__, graphics_step__,		\
-		   media_verx100__, media_step__)				\
-	{									\
-		.platform = XE_ ## platform__,					\
-		.subplatform = XE_SUBPLATFORM_NONE,				\
-		.graphics_verx100 = graphics_verx100__,				\
-		.media_verx100 = media_verx100__,				\
-		.step = { .graphics = STEP_ ## graphics_step__,			\
-			   .media = STEP_ ## media_step__ }			\
-	}
-
-static const struct xe_pci_fake_data cases[] = {
-	PLATFORM_CASE(TIGERLAKE, B0),
-	PLATFORM_CASE(DG1, A0),
-	PLATFORM_CASE(DG1, B0),
-	PLATFORM_CASE(ALDERLAKE_S, A0),
-	PLATFORM_CASE(ALDERLAKE_S, B0),
-	PLATFORM_CASE(ALDERLAKE_S, C0),
-	PLATFORM_CASE(ALDERLAKE_S, D0),
-	PLATFORM_CASE(ALDERLAKE_P, A0),
-	PLATFORM_CASE(ALDERLAKE_P, B0),
-	PLATFORM_CASE(ALDERLAKE_P, C0),
-	SUBPLATFORM_CASE(ALDERLAKE_S, RPLS, D0),
-	SUBPLATFORM_CASE(ALDERLAKE_P, RPLU, E0),
-	SUBPLATFORM_CASE(DG2, G10, C0),
-	SUBPLATFORM_CASE(DG2, G11, B1),
-	SUBPLATFORM_CASE(DG2, G12, A1),
-	GMDID_CASE(METEORLAKE, 1270, A0, 1300, A0),
-	GMDID_CASE(METEORLAKE, 1271, A0, 1300, A0),
-	GMDID_CASE(METEORLAKE, 1274, A0, 1300, A0),
-	GMDID_CASE(LUNARLAKE, 2004, A0, 2000, A0),
-	GMDID_CASE(LUNARLAKE, 2004, B0, 2000, A0),
-	GMDID_CASE(BATTLEMAGE, 2001, A0, 1301, A1),
-	GMDID_CASE(PANTHERLAKE, 3000, A0, 3000, A0),
-};
-
-KUNIT_ARRAY_PARAM(platform, cases, xe_pci_fake_data_desc);
-
 static int xe_wa_test_init(struct kunit *test)
 {
 	const struct xe_pci_fake_data *param = test->param_value;
@@ -120,7 +67,7 @@ static void xe_wa_gt(struct kunit *test)
 }
 
 static struct kunit_case xe_wa_tests[] = {
-	KUNIT_CASE_PARAM(xe_wa_gt, platform_gen_params),
+	KUNIT_CASE_PARAM(xe_wa_gt, xe_pci_fake_data_gen_params),
 	{}
 };