From: Alex Dai <yu.dai@xxxxxxxxx>
Two new module parameters: "enable_guc_submission" which will turn
on submission of batchbuffers via the GuC (when implemented), and
"guc_log_level" which controls the level of debugging logged by the
GuC and captured by the host.
Signed-off-by: Alex Dai <yu.dai@xxxxxxxxx>
Signed-off-by: Dave Gordon <david.s.gordon@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_drv.h | 2 ++
drivers/gpu/drm/i915/i915_params.c | 9 +++++++++
2 files changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7942ac5..0362f25 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2580,6 +2580,8 @@ struct i915_params {
bool reset;
bool disable_display;
bool disable_vtd_wa;
+ bool enable_guc_submission;
+ int guc_log_level;
int use_mmio_flip;
int mmio_debug;
bool verbose_state_checks;
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index 7983fe4..a8f48dd 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -53,6 +53,8 @@ struct i915_params i915 __read_mostly = {
.verbose_state_checks = 1,
.nuclear_pageflip = 0,
.edp_vswing = 0,
+ .enable_guc_submission = false,
+ .guc_log_level = -1,
};
module_param_named(modeset, i915.modeset, int, 0400);
@@ -186,3 +188,10 @@ MODULE_PARM_DESC(edp_vswing,
"Ignore/Override vswing pre-emph table selection from VBT "
"(0=use value from vbt [default], 1=low power swing(200mV),"
"2=default swing(400mV))");
+
+module_param_named(enable_guc_submission, i915.enable_guc_submission, bool, 0400);
+MODULE_PARM_DESC(enable_guc_submission, "Enable GuC submission (default:false)");
+
+module_param_named(guc_log_level, i915.guc_log_level, int, 0400);
+MODULE_PARM_DESC(guc_log_level,
+ "GuC firmware logging level (-1:disabled (default), 0-3:enabled)");
--
1.7.9.5
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