drm/xe/rpls: Add RPLS Support

Add RPLS support that was missing apart from the PCI IDs.

v2: Also add the support in xe_wa_test kunit
v3: rebased.

Cc: Dnyaneshwar Bhadane <dnyaneshwar.bhadane@intel.com>
Signed-off-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>(v1)
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://lore.kernel.org/r/20231005205450.3177354-4-anusha.srivatsa@intel.comSigned-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

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

@@ -49,6 +49,7 @@ static const struct platform_test_case cases[] = {
 	PLATFORM_CASE(ALDERLAKE_P, A0),
 	PLATFORM_CASE(ALDERLAKE_P, B0),
 	PLATFORM_CASE(ALDERLAKE_P, C0),
+	SUBPLATFORM_CASE(ALDERLAKE_S, RPLS, D0),
 	SUBPLATFORM_CASE(DG2, G10, A0),
 	SUBPLATFORM_CASE(DG2, G10, A1),
 	SUBPLATFORM_CASE(DG2, G10, B0),

drivers/gpu/drm/xe/xe_pci.c

@@ -213,12 +213,18 @@ static const struct xe_device_desc rkl_desc = {
 	.require_force_probe = true,
 };
 
+static const u16 adls_rpls_ids[] = { XE_RPLS_IDS(NOP), 0 };
+
 static const struct xe_device_desc adl_s_desc = {
 	.graphics = &graphics_xelp,
 	.media = &media_xem,
 	PLATFORM(XE_ALDERLAKE_S),
 	.has_llc = 1,
 	.require_force_probe = true,
+	.subplatforms = (const struct xe_subplatform_desc[]) {
+		{ XE_SUBPLATFORM_ALDERLAKE_S_RPLS, "RPLS", adls_rpls_ids },
+		{},
+	},
 };
 
 static const u16 adlp_rplu_ids[] = { XE_RPLU_IDS(NOP), 0 };
@@ -335,6 +341,7 @@ static const struct pci_device_id pciidlist[] = {
 	XE_ADLP_IDS(INTEL_VGA_DEVICE, &adl_p_desc),
 	XE_ADLN_IDS(INTEL_VGA_DEVICE, &adl_n_desc),
 	XE_RPLP_IDS(INTEL_VGA_DEVICE, &adl_p_desc),
+	XE_RPLS_IDS(INTEL_VGA_DEVICE, &adl_s_desc),
 	XE_DG1_IDS(INTEL_VGA_DEVICE, &dg1_desc),
 	XE_ATS_M_IDS(INTEL_VGA_DEVICE, &ats_m_desc),
 	XE_DG2_IDS(INTEL_VGA_DEVICE, &dg2_desc),

drivers/gpu/drm/xe/xe_platform_types.h

@@ -28,6 +28,7 @@ enum xe_subplatform {
 	XE_SUBPLATFORM_UNINITIALIZED = 0,
 	XE_SUBPLATFORM_NONE,
 	XE_SUBPLATFORM_ALDERLAKE_P_RPLU,
+	XE_SUBPLATFORM_ALDERLAKE_S_RPLS,
 	XE_SUBPLATFORM_DG2_G10,
 	XE_SUBPLATFORM_DG2_G11,
 	XE_SUBPLATFORM_DG2_G12,