drm/i915: Don't use enums for hardware engine id
Generally we are using macros for any hardware identifiers as these
may change between Gens. Do the same with hardware engine ids.
v2: move hw engine defs to i915_reg.h (Chris)
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170301202615.118632-1-michal.wajdeczko@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 0d9ae27..243050e 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -77,7 +77,13 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
#define _MASKED_BIT_ENABLE(a) ({ typeof(a) _a = (a); _MASKED_FIELD(_a, _a); })
#define _MASKED_BIT_DISABLE(a) (_MASKED_FIELD((a), 0))
+/* Engine ID */
+#define RCS_HW 0
+#define VCS_HW 1
+#define BCS_HW 2
+#define VECS_HW 3
+#define VCS2_HW 4
/* PCI config space */
diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c
index 5fd4883..73fe718 100644
--- a/drivers/gpu/drm/i915/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/intel_engine_cs.c
@@ -28,8 +28,8 @@
static const struct engine_info {
const char *name;
- unsigned exec_id;
- enum intel_engine_hw_id hw_id;
+ unsigned int exec_id;
+ unsigned int hw_id;
u32 mmio_base;
unsigned irq_shift;
int (*init_legacy)(struct intel_engine_cs *engine);
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h
index 9d6b83a..0ef491d 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.h
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.h
@@ -186,26 +186,26 @@ struct i915_ctx_workarounds {
struct drm_i915_gem_request;
struct intel_render_state;
+/*
+ * Engine IDs definitions.
+ * Keep instances of the same type engine together.
+ */
+enum intel_engine_id {
+ RCS = 0,
+ BCS,
+ VCS,
+ VCS2,
+#define _VCS(n) (VCS + (n))
+ VECS
+};
+
struct intel_engine_cs {
struct drm_i915_private *i915;
const char *name;
- enum intel_engine_id {
- RCS = 0,
- BCS,
- VCS,
- VCS2, /* Keep instances of the same type engine together. */
- VECS
- } id;
-#define _VCS(n) (VCS + (n))
+ enum intel_engine_id id;
unsigned int exec_id;
- enum intel_engine_hw_id {
- RCS_HW = 0,
- VCS_HW,
- BCS_HW,
- VECS_HW,
- VCS2_HW
- } hw_id;
- enum intel_engine_hw_id guc_id; /* XXX same as hw_id? */
+ unsigned int hw_id;
+ unsigned int guc_id;
u32 mmio_base;
unsigned int irq_shift;
struct intel_ring *buffer;