6 files changed, 58 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 077c18fe1ae7..4b95ce5d2d3c 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -84,6 +84,14 @@ const struct i915_rev_steppings tgl_revid_step_tbl[] = {
 	[1] = { .gt_stepping = STEP_B0, .disp_stepping = STEP_D0 },
 };
 
+const struct i915_rev_steppings adls_revid_step_tbl[] = {
+	[0x0] = { .gt_stepping = STEP_A0, .disp_stepping = STEP_A0 },
+	[0x1] = { .gt_stepping = STEP_A0, .disp_stepping = STEP_A2 },
+	[0x4] = { .gt_stepping = STEP_B0, .disp_stepping = STEP_B0 },
+	[0x8] = { .gt_stepping = STEP_C0, .disp_stepping = STEP_B0 },
+	[0xC] = { .gt_stepping = STEP_D0, .disp_stepping = STEP_C0 },
+};
+
 static void wa_init_start(struct i915_wa_list *wal, const char *name, const char *engine_name)
 {
 	wal->name = name;
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c7d5a9bed441..3b75b5ee4c88 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1417,6 +1417,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 #define IS_TIGERLAKE(dev_priv)	IS_PLATFORM(dev_priv, INTEL_TIGERLAKE)
 #define IS_ROCKETLAKE(dev_priv)	IS_PLATFORM(dev_priv, INTEL_ROCKETLAKE)
 #define IS_DG1(dev_priv)        IS_PLATFORM(dev_priv, INTEL_DG1)
+#define IS_ALDERLAKE_S(dev_priv) IS_PLATFORM(dev_priv, INTEL_ALDERLAKE_S)
 #define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \
 				    (INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00)
 #define IS_BDW_ULT(dev_priv) \
@@ -1560,6 +1561,7 @@ extern const struct i915_rev_steppings kbl_revids[];
 
 enum {
 	STEP_A0,
+	STEP_A2,
 	STEP_B0,
 	STEP_B1,
 	STEP_C0,
@@ -1568,9 +1570,11 @@ enum {
 
 #define TGL_UY_REVID_STEP_TBL_SIZE	4
 #define TGL_REVID_STEP_TBL_SIZE		2
+#define ADLS_REVID_STEP_TBL_SIZE	13
 
 extern const struct i915_rev_steppings tgl_uy_revid_step_tbl[TGL_UY_REVID_STEP_TBL_SIZE];
 extern const struct i915_rev_steppings tgl_revid_step_tbl[TGL_REVID_STEP_TBL_SIZE];
+extern const struct i915_rev_steppings adls_revid_step_tbl[ADLS_REVID_STEP_TBL_SIZE];
 
 static inline const struct i915_rev_steppings *
 tgl_stepping_get(struct drm_i915_private *dev_priv)
@@ -1579,7 +1583,10 @@ tgl_stepping_get(struct drm_i915_private *dev_priv)
 	u8 size;
 	const struct i915_rev_steppings *revid_step_tbl;
 
-	if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) {
+	if (IS_ALDERLAKE_S(dev_priv)) {
+		revid_step_tbl = adls_revid_step_tbl;
+		size = ARRAY_SIZE(adls_revid_step_tbl);
+	} else if (IS_TGL_U(dev_priv) || IS_TGL_Y(dev_priv)) {
 		revid_step_tbl = tgl_uy_revid_step_tbl;
 		size = ARRAY_SIZE(tgl_uy_revid_step_tbl);
 	} else {
@@ -1621,6 +1628,22 @@ tgl_stepping_get(struct drm_i915_private *dev_priv)
 #define IS_DG1_REVID(p, since, until) \
 	(IS_DG1(p) && IS_REVID(p, since, until))
 
+#define ADLS_REVID_A0		0x0
+#define ADLS_REVID_A2		0x1
+#define ADLS_REVID_B0		0x4
+#define ADLS_REVID_G0		0x8
+#define ADLS_REVID_C0		0xC /*Same as H0 ADLS SOC stepping*/
+
+#define IS_ADLS_DISP_STEPPING(p, since, until) \
+	(IS_ALDERLAKE_S(p) && \
+	 tgl_stepping_get(p)->disp_stepping >= (since) && \
+	 tgl_stepping_get(p)->disp_stepping <= (until))
+
+#define IS_ADLS_GT_STEPPING(p, since, until) \
+	(IS_ALDERLAKE_S(p) && \
+	 tgl_stepping_get(p)->gt_stepping >= (since) && \
+	 tgl_stepping_get(p)->gt_stepping <= (until))
+
 #define IS_LP(dev_priv)	(INTEL_INFO(dev_priv)->is_lp)
 #define IS_GEN9_LP(dev_priv)	(IS_GEN(dev_priv, 9) && IS_LP(dev_priv))
 #define IS_GEN9_BC(dev_priv)	(IS_GEN(dev_priv, 9) && !IS_LP(dev_priv))
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 39608381b4a4..73a10dc87642 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -923,6 +923,18 @@ static const struct intel_device_info dg1_info __maybe_unused = {
 	.ppgtt_size = 47,
 };
 
+static const struct intel_device_info adl_s_info = {
+	GEN12_FEATURES,
+	PLATFORM(INTEL_ALDERLAKE_S),
+	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
+	.require_force_probe = 1,
+	.display.has_hti = 1,
+	.display.has_psr_hw_tracking = 0,
+	.platform_engine_mask =
+		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
+	.dma_mask_size = 46,
+};
+
 #undef GEN
 #undef PLATFORM
 
@@ -999,6 +1011,7 @@ static const struct pci_device_id pciidlist[] = {
 	INTEL_JSL_IDS(&jsl_info),
 	INTEL_TGL_12_IDS(&tgl_info),
 	INTEL_RKL_IDS(&rkl_info),
+	INTEL_ADLS_IDS(&adl_s_info),
 	{0, 0, 0}
 };
 MODULE_DEVICE_TABLE(pci, pciidlist);
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index f2d5ae59081e..699412c14c1d 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -66,6 +66,7 @@ static const char * const platform_names[] = {
 	PLATFORM_NAME(TIGERLAKE),
 	PLATFORM_NAME(ROCKETLAKE),
 	PLATFORM_NAME(DG1),
+	PLATFORM_NAME(ALDERLAKE_S),
 };
 #undef PLATFORM_NAME
 
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index cf2d528c6e9b..79dab5a6f272 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -84,6 +84,7 @@ enum intel_platform {
 	INTEL_TIGERLAKE,
 	INTEL_ROCKETLAKE,
 	INTEL_DG1,
+	INTEL_ALDERLAKE_S,
 	INTEL_MAX_PLATFORMS
 };
 
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 931e46191047..ebd0dd1c35b3 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -634,4 +634,15 @@
 	INTEL_VGA_DEVICE(0x4907, info), \
 	INTEL_VGA_DEVICE(0x4908, info)
 
+/* ADL-S */
+#define INTEL_ADLS_IDS(info) \
+	INTEL_VGA_DEVICE(0x4680, info), \
+	INTEL_VGA_DEVICE(0x4681, info), \
+	INTEL_VGA_DEVICE(0x4682, info), \
+	INTEL_VGA_DEVICE(0x4683, info), \
+	INTEL_VGA_DEVICE(0x4690, info), \
+	INTEL_VGA_DEVICE(0x4691, info), \
+	INTEL_VGA_DEVICE(0x4692, info), \
+	INTEL_VGA_DEVICE(0x4693, info)
+
 #endif /* _I915_PCIIDS_H */