[Intel-gfx] [RFC 02/60] drm/i915/dg1: add initial DG-1 definitions

[Matthew Auld <matthew.auld@intel.com>]

From: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>

Bspec: 33617, 33617

Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Stuart Summers <stuart.summers@intel.com>
Cc: Vanshidhar Konda <vanshidhar.r.konda@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Aravind Iddamsetty <aravind.iddamsetty@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Abdiel Janulgue <abdiel.janulgue@linux.intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
---
 drivers/gpu/drm/i915/i915_drv.h          |  7 +++++++
 drivers/gpu/drm/i915/i915_pci.c          | 12 ++++++++++++
 drivers/gpu/drm/i915/intel_device_info.c |  1 +
 drivers/gpu/drm/i915/intel_device_info.h |  1 +
 4 files changed, 21 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d357043db44e..7f668a49b03d 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1431,6 +1431,7 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 #define IS_ELKHARTLAKE(dev_priv)	IS_PLATFORM(dev_priv, INTEL_ELKHARTLAKE)
 #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_HSW_EARLY_SDV(dev_priv) (IS_HASWELL(dev_priv) && \
 				    (INTEL_DEVID(dev_priv) & 0xFF00) == 0x0C00)
 #define IS_BDW_ULT(dev_priv) \
@@ -1559,6 +1560,12 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 #define IS_RKL_REVID(p, since, until) \
 	(IS_ROCKETLAKE(p) && IS_REVID(p, since, until))
 
+#define DG1_REVID_A0		0x0
+#define DG1_REVID_B0		0x1
+
+#define IS_DG1_REVID(p, since, until) \
+	(IS_DG1(p) && IS_REVID(p, since, 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 db916fff3f0d..f5af72521de6 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -897,8 +897,20 @@ static const struct intel_device_info rkl_info = {
 
 #define GEN12_DGFX_FEATURES \
 	GEN12_FEATURES, \
+	.memory_regions = REGION_SMEM | REGION_LMEM, \
+	.has_master_unit_irq = 1, \
 	.is_dgfx = 1
 
+static const struct intel_device_info intel_dg1_info = {
+	GEN12_DGFX_FEATURES,
+	PLATFORM(INTEL_DG1),
+	.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
+	.require_force_probe = 1,
+	.platform_engine_mask =
+		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) |
+		BIT(VCS0) | BIT(VCS2),
+};
+
 #undef GEN
 #undef PLATFORM
 
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 3f5dc37d2b7c..40c590db3c76 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -64,6 +64,7 @@ static const char * const platform_names[] = {
 	PLATFORM_NAME(ELKHARTLAKE),
 	PLATFORM_NAME(TIGERLAKE),
 	PLATFORM_NAME(ROCKETLAKE),
+	PLATFORM_NAME(DG1),
 };
 #undef PLATFORM_NAME
 
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 71edb396b31a..fd2385457ab6 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -82,6 +82,7 @@ enum intel_platform {
 	/* gen12 */
 	INTEL_TIGERLAKE,
 	INTEL_ROCKETLAKE,
+	INTEL_DG1,
 	INTEL_MAX_PLATFORMS
 };
 
-- 
2.26.2

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