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Commit 63dc0449 authored by Alex Dai's avatar Alex Dai Committed by Daniel Vetter
Browse files

drm/i915: Add GuC-related module parameters 



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: default avatarAlex Dai <yu.dai@intel.com>

v4:
    Mark "enable_guc_submission" unsafe [Daniel Vetter]

Signed-off-by: default avatarDave Gordon <david.s.gordon@intel.com>
Reviewed-by: default avatarTom O'Rourke <Tom.O'Rourke@intel.com>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent ea70299d

drivers/gpu/drm/i915/i915_drv.h

+2 −0
Original line number Diff line number Diff line
@@ -2610,6 +2610,8 @@ 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;

drivers/gpu/drm/i915/i915_params.c

+9 −0
Original line number Diff line number Diff line
@@ -52,6 +52,8 @@ struct i915_params i915 __read_mostly = { 
	.mmio_debug = 0,

	.verbose_state_checks = 1,

	.edp_vswing = 0,

	.enable_guc_submission = false,

	.guc_log_level = -1,

};



module_param_named(modeset, i915.modeset, int, 0400);
@@ -181,3 +183,10 @@ 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_unsafe(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)");