On 1/11/2020 3:11 PM, Michal Wajdeczko wrote:
While we have function that returns "next fence" that can be used
by new CT request, we internally store value of the last used fence.
Signed-off-by: Michal Wajdeczko <michal.wajdec...@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
Cc: Chris Wilson <ch...@chris-wilson.co.uk>
Reviewed-by: Daniele Ceraolo Spurio <daniele.ceraolospu...@intel.com>
Daniele
---
drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c | 2 +-
drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
index 1da69425029b..73f617cbcf55 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.c
@@ -290,7 +290,7 @@ void intel_guc_ct_disable(struct intel_guc_ct *ct)
static u32 ct_get_next_fence(struct intel_guc_ct *ct)
{
/* For now it's trivial */
- return ++ct->requests.next_fence;
+ return ++ct->requests.last_fence;
}
/**
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
index 3e7fe237cfa5..97913bbb8be3 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_ct.h
@@ -49,7 +49,7 @@ struct intel_guc_ct {
struct intel_guc_ct_buffer ctbs[2];
struct {
- u32 next_fence; /* fence to be used with next request to send */
+ u32 last_fence; /* last fence used to send request */
spinlock_t lock; /* protects pending requests list */
struct list_head pending; /* requests waiting for response */
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