diff mbox series

[v4,2/4] drm/i915/dg2: Introduce DG2_D subplatform

Message ID 20241211115952.1659287-3-raag.jadav@intel.com (mailing list archive)
State New
Headers show
Series Implement Wa_14022698537 | expand

Commit Message

Raag Jadav Dec. 11, 2024, 11:59 a.m. UTC 
Introduce DG2_D subplatform for the devices that span across multiple
DG2 subplatforms but are within same segment and will be useful for
segment specific features.

v3: Rework subplatform naming (Jani)
    Split subplatform check into separate case (Jani)

Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h          | 2 ++
 drivers/gpu/drm/i915/intel_device_info.c | 9 +++++++++
 drivers/gpu/drm/i915/intel_device_info.h | 5 ++++-
 3 files changed, 15 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index dcf6050e5550..b96b8de12756 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -549,6 +549,8 @@  IS_SUBPLATFORM(const struct drm_i915_private *i915,
 	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G11)
 #define IS_DG2_G12(i915) \
 	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_G12)
+#define IS_DG2_D(i915) \
+	IS_SUBPLATFORM(i915, INTEL_DG2, INTEL_SUBPLATFORM_D)
 #define IS_RAPTORLAKE_S(i915) \
 	IS_SUBPLATFORM(i915, INTEL_ALDERLAKE_S, INTEL_SUBPLATFORM_RPL)
 #define IS_ALDERLAKE_P_N(i915) \
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 856b30fa37dc..bbe3a24fe3d9 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -200,6 +200,10 @@  static const u16 subplatform_g12_ids[] = {
 	INTEL_DG2_G12_IDS(ID),
 };
 
+static const u16 subplatform_dg2_d_ids[] = {
+	INTEL_DG2_D_IDS(ID),
+};
+
 static const u16 subplatform_arl_h_ids[] = {
 	INTEL_ARL_H_IDS(ID),
 };
@@ -280,6 +284,11 @@  static void intel_device_info_subplatform_init(struct drm_i915_private *i915)
 		mask = BIT(INTEL_SUBPLATFORM_ARL_S);
 	}
 
+	/* DG2_D ids span across multiple DG2 subplatforms */
+	if (find_devid(devid, subplatform_dg2_d_ids,
+		       ARRAY_SIZE(subplatform_dg2_d_ids)))
+		mask |= BIT(INTEL_SUBPLATFORM_D);
+
 	GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK);
 
 	RUNTIME_INFO(i915)->platform_mask[pi] |= mask;
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index ef84eea9ba0b..9387385cb418 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -95,9 +95,11 @@  enum intel_platform {
 /*
  * Subplatform bits share the same namespace per parent platform. In other words
  * it is fine for the same bit to be used on multiple parent platforms.
+ * Devices can belong to multiple subplatforms if needed, so it's possible to set
+ * multiple bits for same device.
  */
 
-#define INTEL_SUBPLATFORM_BITS (3)
+#define INTEL_SUBPLATFORM_BITS (4)
 #define INTEL_SUBPLATFORM_MASK (BIT(INTEL_SUBPLATFORM_BITS) - 1)
 
 /* HSW/BDW/SKL/KBL/CFL */
@@ -114,6 +116,7 @@  enum intel_platform {
 #define INTEL_SUBPLATFORM_G10	0
 #define INTEL_SUBPLATFORM_G11	1
 #define INTEL_SUBPLATFORM_G12	2
+#define INTEL_SUBPLATFORM_D	3
 
 /* ADL */
 #define INTEL_SUBPLATFORM_RPL	0