[RFC v4 1/2] drm/i915: Add RPL-U sub platform

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Separate out RPLU device ids and add them to both RPL and
newly created RPL-U subplatforms.

v2: (Matt)
    - Sort PCI-IDs numerically
    - Name the sub-platform to accurately depict what it is for
    - Make RPL-U part of RPL subplatform

v3: revert to RPL-U subplatform (Jani)

v4: (Jani)
    - Add RPL-U ids to RPL-P platform
    - Remove redundant comment

Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>
---
 drivers/gpu/drm/i915/i915_drv.h          |  2 ++
 drivers/gpu/drm/i915/intel_device_info.c |  7 +++++++
 drivers/gpu/drm/i915/intel_device_info.h |  1 +
 include/drm/i915_pciids.h                | 12 ++++++++----
 4 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 48fd82722f12..c88e514728a0 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -619,6 +619,8 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 	IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_N)
 #define IS_ADLP_RPLP(dev_priv) \
 	IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_RPL)
+#define IS_ADLP_RPLU(dev_priv) \
+	IS_SUBPLATFORM(dev_priv, INTEL_ALDERLAKE_P, INTEL_SUBPLATFORM_RPLU)
 #define IS_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \
 				    (INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00)
 #define IS_BDW_ULT(dev_priv) \
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 849baf6c3b3c..322e1ef94c47 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -201,6 +201,10 @@ static const u16 subplatform_rpl_ids[] = {
 	INTEL_RPLP_IDS(0),
 };
 
+static const u16 subplatform_rplu_ids[] = {
+	INTEL_RPLU_IDS(0),
+};
+
 static const u16 subplatform_g10_ids[] = {
 	INTEL_DG2_G10_IDS(0),
 	INTEL_ATS_M150_IDS(0),
@@ -268,6 +272,9 @@ static void intel_device_info_subplatform_init(struct drm_i915_private *i915)
 	} else if (find_devid(devid, subplatform_rpl_ids,
 			      ARRAY_SIZE(subplatform_rpl_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_RPL);
+		if (find_devid(devid, subplatform_rplu_ids,
+			       ARRAY_SIZE(subplatform_rplu_ids)))
+			mask |= BIT(INTEL_SUBPLATFORM_RPLU);
 	} else if (find_devid(devid, subplatform_g10_ids,
 			      ARRAY_SIZE(subplatform_g10_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_G10);
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index d588e5fd2eea..3e3ca5eb073f 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -127,6 +127,7 @@ enum intel_platform {
  * bit set
  */
 #define INTEL_SUBPLATFORM_N    1
+#define INTEL_SUBPLATFORM_RPLU  2
 
 /* MTL */
 #define INTEL_SUBPLATFORM_M	0
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 4a4c190f7698..5824e1d7d162 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -684,14 +684,18 @@
 	INTEL_VGA_DEVICE(0xA78A, info), \
 	INTEL_VGA_DEVICE(0xA78B, info)
 
+/* RPL-U */
+#define INTEL_RPLU_IDS(info) \
+	INTEL_VGA_DEVICE(0xA721, info), \
+	INTEL_VGA_DEVICE(0xA7A1, info), \
+	INTEL_VGA_DEVICE(0xA7A9, info)
+
 /* RPL-P */
 #define INTEL_RPLP_IDS(info) \
+	INTEL_RPLU_IDS(info), \
 	INTEL_VGA_DEVICE(0xA720, info), \
-	INTEL_VGA_DEVICE(0xA721, info), \
 	INTEL_VGA_DEVICE(0xA7A0, info), \
-	INTEL_VGA_DEVICE(0xA7A1, info), \
-	INTEL_VGA_DEVICE(0xA7A8, info), \
-	INTEL_VGA_DEVICE(0xA7A9, info)
+	INTEL_VGA_DEVICE(0xA7A8, info)
 
 /* DG2 */
 #define INTEL_DG2_G10_IDS(info) \
-- 
2.25.1




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