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drm/i915: Add GuC-related module parameters

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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@intel.com>

v4:
    Mark "enable_guc_submission" unsafe [Daniel Vetter]

Signed-off-by: Dave Gordon <david.s.gordon@intel.com>
Reviewed-by: Tom O'Rourke <Tom.O'Rourke@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Alex Dai 2015-07-09 19:29:03 +01:00 committed by Daniel Vetter
parent ea70299d6e
commit 63dc04498a
2 changed files with 11 additions and 0 deletions
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2
drivers/gpu/drm/i915/i915_drv.h
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@ -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;

9
drivers/gpu/drm/i915/i915_params.c
View File

@ -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)");