[Intel-gfx] [PATCH v4 2/2] drm/i915/xehp: Extra media engines - Part 1 (engine definitions)

Lucas De Marchi lucas.demarchi at intel.com
Sat Jul 24 00:47:58 UTC 2021


On Fri, Jul 23, 2021 at 12:10:24PM -0700, Matt Roper wrote:
>From: John Harrison <John.C.Harrison at Intel.com>
>
>Xe_HP can have a lot of extra media engines. This patch adds the basic
>definitions for them.
>
>v2:
> - Re-order intel_gt_info and intel_device_info slightly to avoid
>   unnecessary padding now that we've increased the size of
>   intel_engine_mask_t.  (Tvrtko)
>v3:
> - Drop the .hw_id assignments.  (Lucas)
>v4:
> - Fix graphics_ver typo for VCS4 (should be 12, not 11).  (Lucas)
>
>Cc: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
>Cc: Lucas De Marchi <lucas.demarchi at intel.com>
>Signed-off-by: John Harrison <John.C.Harrison at Intel.com>
>Signed-off-by: Tomas Winkler <tomas.winkler at intel.com>
>Signed-off-by: Matt Roper <matthew.d.roper at intel.com>


Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>

thanks
Lucas De Marchi

>---
> drivers/gpu/drm/i915/gt/gen8_engine_cs.c     |  7 ++--
> drivers/gpu/drm/i915/gt/intel_engine_cs.c    | 44 ++++++++++++++++++++
> drivers/gpu/drm/i915/gt/intel_engine_types.h | 14 +++++--
> drivers/gpu/drm/i915/gt/intel_gt_types.h     |  5 ++-
> drivers/gpu/drm/i915/i915_pci.c              |  5 ++-
> drivers/gpu/drm/i915/i915_reg.h              |  6 +++
> drivers/gpu/drm/i915/intel_device_info.h     |  3 +-
> 7 files changed, 71 insertions(+), 13 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
>index b29eb9fd0009..461844dffd7e 100644
>--- a/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
>+++ b/drivers/gpu/drm/i915/gt/gen8_engine_cs.c
>@@ -279,7 +279,7 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode)
> 	if (mode & EMIT_INVALIDATE)
> 		aux_inv = rq->engine->mask & ~BIT(BCS0);
> 	if (aux_inv)
>-		cmd += 2 * hweight8(aux_inv) + 2;
>+		cmd += 2 * hweight32(aux_inv) + 2;
>
> 	cs = intel_ring_begin(rq, cmd);
> 	if (IS_ERR(cs))
>@@ -313,9 +313,8 @@ int gen12_emit_flush_xcs(struct i915_request *rq, u32 mode)
> 		struct intel_engine_cs *engine;
> 		unsigned int tmp;
>
>-		*cs++ = MI_LOAD_REGISTER_IMM(hweight8(aux_inv));
>-		for_each_engine_masked(engine, rq->engine->gt,
>-				       aux_inv, tmp) {
>+		*cs++ = MI_LOAD_REGISTER_IMM(hweight32(aux_inv));
>+		for_each_engine_masked(engine, rq->engine->gt, aux_inv, tmp) {
> 			*cs++ = i915_mmio_reg_offset(aux_inv_reg(engine));
> 			*cs++ = AUX_INV;
> 		}
>diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
>index 4168b9fc59e1..67c61908bc82 100644
>--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
>+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
>@@ -101,6 +101,34 @@ static const struct engine_info intel_engines[] = {
> 			{ .graphics_ver = 11, .base = GEN11_BSD4_RING_BASE }
> 		},
> 	},
>+	[VCS4] = {
>+		.class = VIDEO_DECODE_CLASS,
>+		.instance = 4,
>+		.mmio_bases = {
>+			{ .graphics_ver = 12, .base = XEHP_BSD5_RING_BASE }
>+		},
>+	},
>+	[VCS5] = {
>+		.class = VIDEO_DECODE_CLASS,
>+		.instance = 5,
>+		.mmio_bases = {
>+			{ .graphics_ver = 12, .base = XEHP_BSD6_RING_BASE }
>+		},
>+	},
>+	[VCS6] = {
>+		.class = VIDEO_DECODE_CLASS,
>+		.instance = 6,
>+		.mmio_bases = {
>+			{ .graphics_ver = 12, .base = XEHP_BSD7_RING_BASE }
>+		},
>+	},
>+	[VCS7] = {
>+		.class = VIDEO_DECODE_CLASS,
>+		.instance = 7,
>+		.mmio_bases = {
>+			{ .graphics_ver = 12, .base = XEHP_BSD8_RING_BASE }
>+		},
>+	},
> 	[VECS0] = {
> 		.gen6_hw_id = VECS0_HW,
> 		.class = VIDEO_ENHANCEMENT_CLASS,
>@@ -117,6 +145,20 @@ static const struct engine_info intel_engines[] = {
> 			{ .graphics_ver = 11, .base = GEN11_VEBOX2_RING_BASE }
> 		},
> 	},
>+	[VECS2] = {
>+		.class = VIDEO_ENHANCEMENT_CLASS,
>+		.instance = 2,
>+		.mmio_bases = {
>+			{ .graphics_ver = 12, .base = XEHP_VEBOX3_RING_BASE }
>+		},
>+	},
>+	[VECS3] = {
>+		.class = VIDEO_ENHANCEMENT_CLASS,
>+		.instance = 3,
>+		.mmio_bases = {
>+			{ .graphics_ver = 12, .base = XEHP_VEBOX4_RING_BASE }
>+		},
>+	},
> };
>
> /**
>@@ -265,6 +307,8 @@ static int intel_engine_setup(struct intel_gt *gt, enum intel_engine_id id)
>
> 	BUILD_BUG_ON(MAX_ENGINE_CLASS >= BIT(GEN11_ENGINE_CLASS_WIDTH));
> 	BUILD_BUG_ON(MAX_ENGINE_INSTANCE >= BIT(GEN11_ENGINE_INSTANCE_WIDTH));
>+	BUILD_BUG_ON(I915_MAX_VCS > (MAX_ENGINE_INSTANCE + 1));
>+	BUILD_BUG_ON(I915_MAX_VECS > (MAX_ENGINE_INSTANCE + 1));
>
> 	if (GEM_DEBUG_WARN_ON(id >= ARRAY_SIZE(gt->engine)))
> 		return -EINVAL;
>diff --git a/drivers/gpu/drm/i915/gt/intel_engine_types.h b/drivers/gpu/drm/i915/gt/intel_engine_types.h
>index 266422d8d1b1..8f1f2f12d6f5 100644
>--- a/drivers/gpu/drm/i915/gt/intel_engine_types.h
>+++ b/drivers/gpu/drm/i915/gt/intel_engine_types.h
>@@ -42,7 +42,7 @@
> #define COPY_ENGINE_CLASS	3
> #define OTHER_CLASS		4
> #define MAX_ENGINE_CLASS	4
>-#define MAX_ENGINE_INSTANCE	3
>+#define MAX_ENGINE_INSTANCE	7
>
> #define I915_MAX_SLICES	3
> #define I915_MAX_SUBSLICES 8
>@@ -60,7 +60,7 @@ struct intel_gt;
> struct intel_ring;
> struct intel_uncore;
>
>-typedef u8 intel_engine_mask_t;
>+typedef u32 intel_engine_mask_t;
> #define ALL_ENGINES ((intel_engine_mask_t)~0ul)
>
> struct intel_hw_status_page {
>@@ -97,8 +97,8 @@ struct i915_ctx_workarounds {
> 	struct i915_vma *vma;
> };
>
>-#define I915_MAX_VCS	4
>-#define I915_MAX_VECS	2
>+#define I915_MAX_VCS	8
>+#define I915_MAX_VECS	4
>
> /*
>  * Engine IDs definitions.
>@@ -111,9 +111,15 @@ enum intel_engine_id {
> 	VCS1,
> 	VCS2,
> 	VCS3,
>+	VCS4,
>+	VCS5,
>+	VCS6,
>+	VCS7,
> #define _VCS(n) (VCS0 + (n))
> 	VECS0,
> 	VECS1,
>+	VECS2,
>+	VECS3,
> #define _VECS(n) (VECS0 + (n))
> 	I915_NUM_ENGINES
> #define INVALID_ENGINE ((enum intel_engine_id)-1)
>diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
>index d93d578a4105..97a5075288d2 100644
>--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
>+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
>@@ -174,13 +174,14 @@ struct intel_gt {
>
> 	struct intel_gt_info {
> 		intel_engine_mask_t engine_mask;
>+
>+		u32 l3bank_mask;
>+
> 		u8 num_engines;
>
> 		/* Media engine access to SFC per instance */
> 		u8 vdbox_sfc_access;
>
>-		u32 l3bank_mask;
>-
> 		/* Slice/subslice/EU info */
> 		struct sseu_dev_info sseu;
> 	} info;
>diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
>index 48ea23dd3b5b..f28206484552 100644
>--- a/drivers/gpu/drm/i915/i915_pci.c
>+++ b/drivers/gpu/drm/i915/i915_pci.c
>@@ -1033,8 +1033,9 @@ static const struct intel_device_info xehpsdv_info = {
> 	.pipe_mask = 0,
> 	.platform_engine_mask =
> 		BIT(RCS0) | BIT(BCS0) |
>-		BIT(VECS0) | BIT(VECS1) |
>-		BIT(VCS0) | BIT(VCS1) | BIT(VCS2) | BIT(VCS3),
>+		BIT(VECS0) | BIT(VECS1) | BIT(VECS2) | BIT(VECS3) |
>+		BIT(VCS0) | BIT(VCS1) | BIT(VCS2) | BIT(VCS3) |
>+		BIT(VCS4) | BIT(VCS5) | BIT(VCS6) | BIT(VCS7),
> 	.require_force_probe = 1,
> };
>
>diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
>index 8e1392028184..143f2fabc07b 100644
>--- a/drivers/gpu/drm/i915/i915_reg.h
>+++ b/drivers/gpu/drm/i915/i915_reg.h
>@@ -2516,9 +2516,15 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
> #define GEN11_BSD2_RING_BASE	0x1c4000
> #define GEN11_BSD3_RING_BASE	0x1d0000
> #define GEN11_BSD4_RING_BASE	0x1d4000
>+#define XEHP_BSD5_RING_BASE	0x1e0000
>+#define XEHP_BSD6_RING_BASE	0x1e4000
>+#define XEHP_BSD7_RING_BASE	0x1f0000
>+#define XEHP_BSD8_RING_BASE	0x1f4000
> #define VEBOX_RING_BASE		0x1a000
> #define GEN11_VEBOX_RING_BASE		0x1c8000
> #define GEN11_VEBOX2_RING_BASE		0x1d8000
>+#define XEHP_VEBOX3_RING_BASE		0x1e8000
>+#define XEHP_VEBOX4_RING_BASE		0x1f8000
> #define BLT_RING_BASE		0x22000
> #define RING_TAIL(base)		_MMIO((base) + 0x30)
> #define RING_HEAD(base)		_MMIO((base) + 0x34)
>diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
>index 616ccec41d76..121d6d9afd3a 100644
>--- a/drivers/gpu/drm/i915/intel_device_info.h
>+++ b/drivers/gpu/drm/i915/intel_device_info.h
>@@ -172,7 +172,6 @@ struct intel_device_info {
> 	u8 media_ver;
> 	u8 media_rel;
>
>-	u8 gt; /* GT number, 0 if undefined */
> 	intel_engine_mask_t platform_engine_mask; /* Engines supported by the HW */
>
> 	enum intel_platform platform;
>@@ -188,6 +187,8 @@ struct intel_device_info {
>
> 	u32 display_mmio_offset;
>
>+	u8 gt; /* GT number, 0 if undefined */
>+
> 	u8 pipe_mask;
> 	u8 cpu_transcoder_mask;
>
>-- 
>2.25.4
>


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