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path: root/drivers/gpu/drm/i915/intel_guc_log.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_guc_log.c')
-rw-r--r--drivers/gpu/drm/i915/intel_guc_log.c33
1 files changed, 28 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c
index b921c948c7f5..6da61a71d28f 100644
--- a/drivers/gpu/drm/i915/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/intel_guc_log.c
@@ -215,11 +215,11 @@ static unsigned int guc_get_log_buffer_size(enum guc_log_buffer_type type)
{
switch (type) {
case GUC_ISR_LOG_BUFFER:
- return (GUC_LOG_ISR_PAGES + 1) * PAGE_SIZE;
+ return ISR_BUFFER_SIZE;
case GUC_DPC_LOG_BUFFER:
- return (GUC_LOG_DPC_PAGES + 1) * PAGE_SIZE;
+ return DPC_BUFFER_SIZE;
case GUC_CRASH_DUMP_LOG_BUFFER:
- return (GUC_LOG_CRASH_PAGES + 1) * PAGE_SIZE;
+ return CRASH_BUFFER_SIZE;
default:
MISSING_CASE(type);
}
@@ -397,7 +397,7 @@ static int guc_log_relay_create(struct intel_guc_log *log)
lockdep_assert_held(&log->relay.lock);
/* Keep the size of sub buffers same as shared log buffer */
- subbuf_size = GUC_LOG_SIZE;
+ subbuf_size = log->vma->size;
/*
* Store up to 8 snapshots, which is large enough to buffer sufficient
@@ -452,11 +452,34 @@ int intel_guc_log_create(struct intel_guc_log *log)
{
struct intel_guc *guc = log_to_guc(log);
struct i915_vma *vma;
+ u32 guc_log_size;
int ret;
GEM_BUG_ON(log->vma);
- vma = intel_guc_allocate_vma(guc, GUC_LOG_SIZE);
+ /*
+ * GuC Log buffer Layout
+ *
+ * +===============================+ 00B
+ * | Crash dump state header |
+ * +-------------------------------+ 32B
+ * | DPC state header |
+ * +-------------------------------+ 64B
+ * | ISR state header |
+ * +-------------------------------+ 96B
+ * | |
+ * +===============================+ PAGE_SIZE (4KB)
+ * | Crash Dump logs |
+ * +===============================+ + CRASH_SIZE
+ * | DPC logs |
+ * +===============================+ + DPC_SIZE
+ * | ISR logs |
+ * +===============================+ + ISR_SIZE
+ */
+ guc_log_size = PAGE_SIZE + CRASH_BUFFER_SIZE + DPC_BUFFER_SIZE +
+ ISR_BUFFER_SIZE;
+
+ vma = intel_guc_allocate_vma(guc, guc_log_size);
if (IS_ERR(vma)) {
ret = PTR_ERR(vma);
goto err;