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[1/5] drm/i915: Classify the engines in class + instance

Message ID 1491384637-971-2-git-send-email-oscar.mateo@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

oscar.mateo@intel.com April 5, 2017, 9:30 a.m. UTC
From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>

In such a way that vcs and vcs2 are just two different instances (0 and 1)
of the same engine class (VIDEO_DECODE_CLASS).

Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
---
 drivers/gpu/drm/i915/intel_engine_cs.c  | 14 ++++++++++++++
 drivers/gpu/drm/i915/intel_ringbuffer.h | 10 ++++++++++
 2 files changed, 24 insertions(+)

Comments

Tvrtko Ursulin April 6, 2017, 5:45 p.m. UTC | #1
On 05/04/2017 10:30, Oscar Mateo wrote:
> From: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
>
> In such a way that vcs and vcs2 are just two different instances (0 and 1)
> of the same engine class (VIDEO_DECODE_CLASS).
>
> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
> Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
> Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
> ---
>  drivers/gpu/drm/i915/intel_engine_cs.c  | 14 ++++++++++++++
>  drivers/gpu/drm/i915/intel_ringbuffer.h | 10 ++++++++++
>  2 files changed, 24 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
> index 854e8e0..b3d575a 100644
> --- a/drivers/gpu/drm/i915/intel_engine_cs.c
> +++ b/drivers/gpu/drm/i915/intel_engine_cs.c
> @@ -30,6 +30,8 @@
>  	const char *name;
>  	unsigned int exec_id;
>  	unsigned int hw_id;
> +	enum intel_engine_class class;
> +	u32 instance;

Normal type I think, it's not anything hardware related to need explicit 
width. Or maybe make it u8 if it saves any space?

>  	u32 mmio_base;
>  	unsigned irq_shift;
>  	int (*init_legacy)(struct intel_engine_cs *engine);
> @@ -39,6 +41,8 @@
>  		.name = "rcs",
>  		.hw_id = RCS_HW,
>  		.exec_id = I915_EXEC_RENDER,
> +		.class = RENDER_CLASS,
> +		.instance = 0,
>  		.mmio_base = RENDER_RING_BASE,
>  		.irq_shift = GEN8_RCS_IRQ_SHIFT,
>  		.init_execlists = logical_render_ring_init,
> @@ -48,6 +52,8 @@
>  		.name = "bcs",
>  		.hw_id = BCS_HW,
>  		.exec_id = I915_EXEC_BLT,
> +		.class = COPY_ENGINE_CLASS,
> +		.instance = 0,
>  		.mmio_base = BLT_RING_BASE,
>  		.irq_shift = GEN8_BCS_IRQ_SHIFT,
>  		.init_execlists = logical_xcs_ring_init,
> @@ -57,6 +63,8 @@
>  		.name = "vcs",
>  		.hw_id = VCS_HW,
>  		.exec_id = I915_EXEC_BSD,
> +		.class = VIDEO_DECODE_CLASS,
> +		.instance = 0,
>  		.mmio_base = GEN6_BSD_RING_BASE,
>  		.irq_shift = GEN8_VCS1_IRQ_SHIFT,
>  		.init_execlists = logical_xcs_ring_init,
> @@ -66,6 +74,8 @@
>  		.name = "vcs2",
>  		.hw_id = VCS2_HW,
>  		.exec_id = I915_EXEC_BSD,
> +		.class = VIDEO_DECODE_CLASS,
> +		.instance = 1,
>  		.mmio_base = GEN8_BSD2_RING_BASE,
>  		.irq_shift = GEN8_VCS2_IRQ_SHIFT,
>  		.init_execlists = logical_xcs_ring_init,
> @@ -75,6 +85,8 @@
>  		.name = "vecs",
>  		.hw_id = VECS_HW,
>  		.exec_id = I915_EXEC_VEBOX,
> +		.class = VIDEO_ENHANCEMENT_CLASS,
> +		.instance = 0,
>  		.mmio_base = VEBOX_RING_BASE,
>  		.irq_shift = GEN8_VECS_IRQ_SHIFT,
>  		.init_execlists = logical_xcs_ring_init,
> @@ -101,6 +113,8 @@
>  	engine->hw_id = engine->guc_id = info->hw_id;
>  	engine->mmio_base = info->mmio_base;
>  	engine->irq_shift = info->irq_shift;
> +	engine->class = info->class;
> +	engine->instance = info->instance;
>
>  	/* Nothing to do here, execute in order of dependencies */
>  	engine->schedule = NULL;
> diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
> index cbe61d3..4ab590b 100644
> --- a/drivers/gpu/drm/i915/intel_ringbuffer.h
> +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
> @@ -193,6 +193,16 @@ struct intel_engine_cs {
>  	enum intel_engine_id id;
>  	unsigned int exec_id;
>  	unsigned int hw_id;
> +
> +	enum intel_engine_class {
> +		RENDER_CLASS = 0,
> +		VIDEO_DECODE_CLASS = 1,
> +		VIDEO_ENHANCEMENT_CLASS = 2,
> +		COPY_ENGINE_CLASS = 3,
> +		OTHER_CLASS = 4
> +	} class;
> +	u8 instance;

Oh it is already u8 here! :)

> +
>  	unsigned int guc_id;
>  	u32		mmio_base;
>  	unsigned int irq_shift;
>

Looks OK to me. With the types aligned:

Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

Regards,

Tvrtko
diff mbox

Patch

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 854e8e0..b3d575a 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -30,6 +30,8 @@ 
 	const char *name;
 	unsigned int exec_id;
 	unsigned int hw_id;
+	enum intel_engine_class class;
+	u32 instance;
 	u32 mmio_base;
 	unsigned irq_shift;
 	int (*init_legacy)(struct intel_engine_cs *engine);
@@ -39,6 +41,8 @@ 
 		.name = "rcs",
 		.hw_id = RCS_HW,
 		.exec_id = I915_EXEC_RENDER,
+		.class = RENDER_CLASS,
+		.instance = 0,
 		.mmio_base = RENDER_RING_BASE,
 		.irq_shift = GEN8_RCS_IRQ_SHIFT,
 		.init_execlists = logical_render_ring_init,
@@ -48,6 +52,8 @@ 
 		.name = "bcs",
 		.hw_id = BCS_HW,
 		.exec_id = I915_EXEC_BLT,
+		.class = COPY_ENGINE_CLASS,
+		.instance = 0,
 		.mmio_base = BLT_RING_BASE,
 		.irq_shift = GEN8_BCS_IRQ_SHIFT,
 		.init_execlists = logical_xcs_ring_init,
@@ -57,6 +63,8 @@ 
 		.name = "vcs",
 		.hw_id = VCS_HW,
 		.exec_id = I915_EXEC_BSD,
+		.class = VIDEO_DECODE_CLASS,
+		.instance = 0,
 		.mmio_base = GEN6_BSD_RING_BASE,
 		.irq_shift = GEN8_VCS1_IRQ_SHIFT,
 		.init_execlists = logical_xcs_ring_init,
@@ -66,6 +74,8 @@ 
 		.name = "vcs2",
 		.hw_id = VCS2_HW,
 		.exec_id = I915_EXEC_BSD,
+		.class = VIDEO_DECODE_CLASS,
+		.instance = 1,
 		.mmio_base = GEN8_BSD2_RING_BASE,
 		.irq_shift = GEN8_VCS2_IRQ_SHIFT,
 		.init_execlists = logical_xcs_ring_init,
@@ -75,6 +85,8 @@ 
 		.name = "vecs",
 		.hw_id = VECS_HW,
 		.exec_id = I915_EXEC_VEBOX,
+		.class = VIDEO_ENHANCEMENT_CLASS,
+		.instance = 0,
 		.mmio_base = VEBOX_RING_BASE,
 		.irq_shift = GEN8_VECS_IRQ_SHIFT,
 		.init_execlists = logical_xcs_ring_init,
@@ -101,6 +113,8 @@ 
 	engine->hw_id = engine->guc_id = info->hw_id;
 	engine->mmio_base = info->mmio_base;
 	engine->irq_shift = info->irq_shift;
+	engine->class = info->class;
+	engine->instance = info->instance;
 
 	/* Nothing to do here, execute in order of dependencies */
 	engine->schedule = NULL;
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index cbe61d3..4ab590b 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -193,6 +193,16 @@  struct intel_engine_cs {
 	enum intel_engine_id id;
 	unsigned int exec_id;
 	unsigned int hw_id;
+
+	enum intel_engine_class {
+		RENDER_CLASS = 0,
+		VIDEO_DECODE_CLASS = 1,
+		VIDEO_ENHANCEMENT_CLASS = 2,
+		COPY_ENGINE_CLASS = 3,
+		OTHER_CLASS = 4
+	} class;
+	u8 instance;
+
 	unsigned int guc_id;
 	u32		mmio_base;
 	unsigned int irq_shift;