For the sake of better code readibility, change previous relay logging function names with "capture_logs" to "copy_debug_logs" to differentiate from error capture functions that will use a different region of the same buffer.
Signed-off-by: Alan Previn alan.previn.teres.alexis@intel.com Reviewed-by: Matthew Brost matthew.brost@intel.com --- drivers/gpu/drm/i915/gt/uc/intel_guc_log.c | 35 ++++++++++++---------- 1 file changed, 19 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c index a24dc6441872..0d63c411080f 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c @@ -12,7 +12,7 @@ #include "i915_memcpy.h" #include "intel_guc_log.h"
-static void guc_log_capture_logs(struct intel_guc_log *log); +static void guc_log_copy_debuglogs_for_relay(struct intel_guc_log *log);
/** * DOC: GuC firmware log @@ -198,7 +198,7 @@ static unsigned int guc_get_log_buffer_size(enum guc_log_buffer_type type) return 0; }
-static void guc_read_update_log_buffer(struct intel_guc_log *log) +static void _guc_log_copy_debuglogs_for_relay(struct intel_guc_log *log) { unsigned int buffer_size, read_offset, write_offset, bytes_to_copy, full_cnt; struct guc_log_buffer_state *log_buf_state, *log_buf_snapshot_state; @@ -223,7 +223,7 @@ static void guc_read_update_log_buffer(struct intel_guc_log *log) * Used rate limited to avoid deluge of messages, logs might be * getting consumed by User at a slow rate. */ - DRM_ERROR_RATELIMITED("no sub-buffer to capture logs\n"); + DRM_ERROR_RATELIMITED("no sub-buffer to copy general logs\n"); log->relay.full_count++;
goto out_unlock; @@ -301,15 +301,15 @@ static void guc_read_update_log_buffer(struct intel_guc_log *log) mutex_unlock(&log->relay.lock); }
-static void capture_logs_work(struct work_struct *work) +static void copy_debug_logs_work(struct work_struct *work) { struct intel_guc_log *log = container_of(work, struct intel_guc_log, relay.flush_work);
- guc_log_capture_logs(log); + guc_log_copy_debuglogs_for_relay(log); }
-static int guc_log_map(struct intel_guc_log *log) +static int guc_log_relay_map(struct intel_guc_log *log) { void *vaddr;
@@ -332,7 +332,7 @@ static int guc_log_map(struct intel_guc_log *log) return 0; }
-static void guc_log_unmap(struct intel_guc_log *log) +static void guc_log_relay_unmap(struct intel_guc_log *log) { lockdep_assert_held(&log->relay.lock);
@@ -343,7 +343,7 @@ static void guc_log_unmap(struct intel_guc_log *log) void intel_guc_log_init_early(struct intel_guc_log *log) { mutex_init(&log->relay.lock); - INIT_WORK(&log->relay.flush_work, capture_logs_work); + INIT_WORK(&log->relay.flush_work, copy_debug_logs_work); log->relay.started = false; }
@@ -358,8 +358,11 @@ static int guc_log_relay_create(struct intel_guc_log *log) lockdep_assert_held(&log->relay.lock); GEM_BUG_ON(!log->vma);
- /* Keep the size of sub buffers same as shared log buffer */ - subbuf_size = log->vma->size; + /* + * Keep the size of sub buffers same as shared log buffer + * but GuC log-events excludes the error-state-capture logs + */ + subbuf_size = log->vma->size - CAPTURE_BUFFER_SIZE;
/* * Store up to 8 snapshots, which is large enough to buffer sufficient @@ -394,13 +397,13 @@ static void guc_log_relay_destroy(struct intel_guc_log *log) log->relay.channel = NULL; }
-static void guc_log_capture_logs(struct intel_guc_log *log) +static void guc_log_copy_debuglogs_for_relay(struct intel_guc_log *log) { struct intel_guc *guc = log_to_guc(log); struct drm_i915_private *dev_priv = guc_to_gt(guc)->i915; intel_wakeref_t wakeref;
- guc_read_update_log_buffer(log); + _guc_log_copy_debuglogs_for_relay(log);
/* * Generally device is expected to be active only at this @@ -566,7 +569,7 @@ int intel_guc_log_relay_open(struct intel_guc_log *log) if (ret) goto out_unlock;
- ret = guc_log_map(log); + ret = guc_log_relay_map(log); if (ret) goto out_relay;
@@ -616,8 +619,8 @@ void intel_guc_log_relay_flush(struct intel_guc_log *log) with_intel_runtime_pm(guc_to_gt(guc)->uncore->rpm, wakeref) guc_action_flush_log(guc);
- /* GuC would have updated log buffer by now, so capture it */ - guc_log_capture_logs(log); + /* GuC would have updated log buffer by now, so copy it */ + guc_log_copy_debuglogs_for_relay(log); }
/* @@ -646,7 +649,7 @@ void intel_guc_log_relay_close(struct intel_guc_log *log)
mutex_lock(&log->relay.lock); GEM_BUG_ON(!intel_guc_log_relay_created(log)); - guc_log_unmap(log); + guc_log_relay_unmap(log); guc_log_relay_destroy(log); mutex_unlock(&log->relay.lock); }