From: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
In such a way that vcs and vcs2 are just two different instances (0 and 1)
of the same engine class (VIDEO_DECODE_CLASS).
v2: Align the instance types (Tvrtko)
v3: Don't use enums for bspec-defined stuff (Michal)
Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@xxxxxxxxx>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Signed-off-by: Oscar Mateo <oscar.mateo@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_reg.h | 8 ++++++++
drivers/gpu/drm/i915/intel_engine_cs.c | 14 ++++++++++++++
drivers/gpu/drm/i915/intel_ringbuffer.h | 4 ++++
3 files changed, 26 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 11b12f4..4c72ada 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -85,6 +85,14 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define VECS_HW 3
#define VCS2_HW 4
+/* Engine class */
+
+#define RENDER_CLASS 0
+#define VIDEO_DECODE_CLASS 1
+#define VIDEO_ENHANCEMENT_CLASS 2
+#define COPY_ENGINE_CLASS 3
+#define OTHER_CLASS 4
+
/* PCI config space */
#define MCHBAR_I915 0x44
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 92f871c..bb22927 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;
+ u8 class;
+ u8 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..f54fe7d 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -193,6 +193,10 @@ struct intel_engine_cs {
enum intel_engine_id id;
unsigned int exec_id;
unsigned int hw_id;
+
+ u8 class;
+ u8 instance;
+
unsigned int guc_id;
u32 mmio_base;
unsigned int irq_shift;
--
1.9.1
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
