diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_fwif.h | 28 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_reg.h | 12 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_submission.c | 27 |
3 files changed, 33 insertions, 34 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h index ef79e0f144d7..b2f5148f4f17 100644 --- a/drivers/gpu/drm/i915/intel_guc_fwif.h +++ b/drivers/gpu/drm/i915/intel_guc_fwif.h @@ -39,6 +39,11 @@ #define GUC_VIDEO_ENGINE2 4 #define GUC_MAX_ENGINES_NUM (GUC_VIDEO_ENGINE2 + 1) +#define GUC_DOORBELL_INVALID 256 + +#define GUC_DB_SIZE (PAGE_SIZE) +#define GUC_WQ_SIZE (PAGE_SIZE * 2) + /* Work queue item header definitions */ #define WQ_STATUS_ACTIVE 1 #define WQ_STATUS_SUSPENDED 2 @@ -59,9 +64,6 @@ #define WQ_RING_TAIL_MAX 0x7FF /* 2^11 QWords */ #define WQ_RING_TAIL_MASK (WQ_RING_TAIL_MAX << WQ_RING_TAIL_SHIFT) -#define GUC_DOORBELL_ENABLED 1 -#define GUC_DOORBELL_DISABLED 0 - #define GUC_STAGE_DESC_ATTR_ACTIVE BIT(0) #define GUC_STAGE_DESC_ATTR_PENDING_DB BIT(1) #define GUC_STAGE_DESC_ATTR_KERNEL BIT(2) @@ -219,26 +221,6 @@ struct uc_css_header { u32 header_info; } __packed; -struct guc_doorbell_info { - u32 db_status; - u32 cookie; - u32 reserved[14]; -} __packed; - -union guc_doorbell_qw { - struct { - u32 db_status; - u32 cookie; - }; - u64 value_qw; -} __packed; - -#define GUC_NUM_DOORBELLS 256 -#define GUC_DOORBELL_INVALID (GUC_NUM_DOORBELLS) - -#define GUC_DB_SIZE (PAGE_SIZE) -#define GUC_WQ_SIZE (PAGE_SIZE * 2) - /* Work item for submitting workloads into work queue of GuC. */ struct guc_wq_item { u32 header; diff --git a/drivers/gpu/drm/i915/intel_guc_reg.h b/drivers/gpu/drm/i915/intel_guc_reg.h index d86084742a4a..57e7ad522c2f 100644 --- a/drivers/gpu/drm/i915/intel_guc_reg.h +++ b/drivers/gpu/drm/i915/intel_guc_reg.h @@ -104,6 +104,18 @@ #define GUC_SEND_INTERRUPT _MMIO(0xc4c8) #define GUC_SEND_TRIGGER (1<<0) +#define GUC_NUM_DOORBELLS 256 + +/* format of the HW-monitored doorbell cacheline */ +struct guc_doorbell_info { + u32 db_status; +#define GUC_DOORBELL_DISABLED 0 +#define GUC_DOORBELL_ENABLED 1 + + u32 cookie; + u32 reserved[14]; +} __packed; + #define GEN8_DRBREGL(x) _MMIO(0x1000 + (x) * 8) #define GEN8_DRB_VALID (1<<0) #define GEN8_DRBREGU(x) _MMIO(0x1000 + (x) * 8 + 4) diff --git a/drivers/gpu/drm/i915/intel_guc_submission.c b/drivers/gpu/drm/i915/intel_guc_submission.c index 8c3b5a9facee..1570dcbe249c 100644 --- a/drivers/gpu/drm/i915/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/intel_guc_submission.c @@ -192,6 +192,14 @@ static struct guc_doorbell_info *__get_doorbell(struct intel_guc_client *client) return client->vaddr + client->doorbell_offset; } +static bool __doorbell_valid(struct intel_guc *guc, u16 db_id) +{ + struct drm_i915_private *dev_priv = guc_to_i915(guc); + + GEM_BUG_ON(db_id >= GUC_NUM_DOORBELLS); + return I915_READ(GEN8_DRBREGL(db_id)) & GEN8_DRB_VALID; +} + static void __init_doorbell(struct intel_guc_client *client) { struct guc_doorbell_info *doorbell; @@ -203,7 +211,6 @@ static void __init_doorbell(struct intel_guc_client *client) static void __fini_doorbell(struct intel_guc_client *client) { - struct drm_i915_private *dev_priv = guc_to_i915(client->guc); struct guc_doorbell_info *doorbell; u16 db_id = client->doorbell_id; @@ -214,7 +221,7 @@ static void __fini_doorbell(struct intel_guc_client *client) * to go to zero after updating db_status before we call the GuC to * release the doorbell */ - if (wait_for_us(!(I915_READ(GEN8_DRBREGL(db_id)) & GEN8_DRB_VALID), 10)) + if (wait_for_us(!__doorbell_valid(client->guc, db_id), 10)) WARN_ONCE(true, "Doorbell never became invalid after disable\n"); } @@ -866,33 +873,31 @@ guc_reset_prepare(struct intel_engine_cs *engine) /* Check that a doorbell register is in the expected state */ static bool doorbell_ok(struct intel_guc *guc, u16 db_id) { - struct drm_i915_private *dev_priv = guc_to_i915(guc); - u32 drbregl; bool valid; - GEM_BUG_ON(db_id >= GUC_DOORBELL_INVALID); + GEM_BUG_ON(db_id >= GUC_NUM_DOORBELLS); - drbregl = I915_READ(GEN8_DRBREGL(db_id)); - valid = drbregl & GEN8_DRB_VALID; + valid = __doorbell_valid(guc, db_id); if (test_bit(db_id, guc->doorbell_bitmap) == valid) return true; - DRM_DEBUG_DRIVER("Doorbell %d has unexpected state (0x%x): valid=%s\n", - db_id, drbregl, yesno(valid)); + DRM_DEBUG_DRIVER("Doorbell %u has unexpected state: valid=%s\n", + db_id, yesno(valid)); return false; } static bool guc_verify_doorbells(struct intel_guc *guc) { + bool doorbells_ok = true; u16 db_id; for (db_id = 0; db_id < GUC_NUM_DOORBELLS; ++db_id) if (!doorbell_ok(guc, db_id)) - return false; + doorbells_ok = false; - return true; + return doorbells_ok; } /** |