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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.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c
index e6d59bf9dae1..2ffc966aa196 100644
--- a/drivers/gpu/drm/i915/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/intel_guc_log.c
@@ -58,11 +58,15 @@ static int guc_log_flush(struct intel_guc *guc)
return intel_guc_send(guc, action, ARRAY_SIZE(action));
}
-static int guc_log_control(struct intel_guc *guc, u32 control_val)
+static int guc_log_control(struct intel_guc *guc, bool enable, u32 verbosity)
{
+ union guc_log_control control_val = {
+ .logging_enabled = enable,
+ .verbosity = verbosity,
+ };
u32 action[] = {
INTEL_GUC_ACTION_UK_LOG_ENABLE_LOGGING,
- control_val
+ control_val.value
};
return intel_guc_send(guc, action, ARRAY_SIZE(action));
@@ -567,28 +571,27 @@ void intel_guc_log_destroy(struct intel_guc *guc)
int i915_guc_log_control(struct drm_i915_private *dev_priv, u64 control_val)
{
struct intel_guc *guc = &dev_priv->guc;
-
- union guc_log_control log_param;
+ bool enable_logging = control_val > 0;
+ u32 verbosity;
int ret;
- log_param.value = control_val;
-
- if (log_param.verbosity < GUC_LOG_VERBOSITY_MIN ||
- log_param.verbosity > GUC_LOG_VERBOSITY_MAX)
+ BUILD_BUG_ON(GUC_LOG_VERBOSITY_MIN);
+ if (control_val > 1 + GUC_LOG_VERBOSITY_MAX)
return -EINVAL;
/* This combination doesn't make sense & won't have any effect */
- if (!log_param.logging_enabled && !i915_modparams.guc_log_level)
+ if (!enable_logging && !i915_modparams.guc_log_level)
return 0;
- ret = guc_log_control(guc, log_param.value);
+ verbosity = enable_logging ? control_val - 1 : 0;
+ ret = guc_log_control(guc, enable_logging, verbosity);
if (ret < 0) {
DRM_DEBUG_DRIVER("guc_logging_control action failed %d\n", ret);
return ret;
}
- if (log_param.logging_enabled) {
- i915_modparams.guc_log_level = 1 + log_param.verbosity;
+ if (enable_logging) {
+ i915_modparams.guc_log_level = 1 + verbosity;
/*
* If log was disabled at boot time, then the relay channel file
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