[PATCH v4 1/3] drm/i915/gvt: Add gvt_debug in i915_params for GVT-g log classification

Shuo Liu
2017-09-19T07:54:43Z

Signed-off-by: Shuo Liu <shuo.a.liu@intel.com>
---
drivers/gpu/drm/i915/i915_params.c | 13 +++++++++++++
drivers/gpu/drm/i915/i915_params.h | 1 +
2 files changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index 8ab003d..ceeae1d 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -65,6 +65,7 @@ struct i915_params i915 __read_mostly = {
.inject_load_failure = 0,
.enable_dpcd_backlight = false,
.enable_gvt = false,
+ .debug_gvt = 0,
};

module_param_named(modeset, i915.modeset, int, 0400);
@@ -257,3 +258,15 @@ struct i915_params i915 __read_mostly = {
module_param_named(enable_gvt, i915.enable_gvt, bool, 0400);
MODULE_PARM_DESC(enable_gvt,
"Enable support for Intel GVT-g graphics virtualization host support(default:false)");
+
+module_param_named(debug_gvt, i915.debug_gvt, int, 0600);
+MODULE_PARM_DESC(debug_gvt, "Enable GVT-g debug output, where each bit enables a category.\n"
+ "\t\tBit 0 (0x01) will enable CORE messages (GVT-g core message)\n"
+ "\t\tBit 1 (0x02) will enable IRQ messages (GVT-g interrupt message)\n"
+ "\t\tBit 2 (0x04) will enable MM messages (GVT-g memory management message)\n"
+ "\t\tBit 3 (0x08) will enable MMIO messages (GVT-g MMIO message)\n"
+ "\t\tBit 4 (0x10) will enable DPY messages (GVT-g display message)\n"
+ "\t\tBit 5 (0x20) will enable EL messages (GVT-g execlist message)\n"
+ "\t\tBit 6 (0x40) will enable SCHED messages (GVT-g schedule message)\n"
+ "\t\tBit 7 (0x80) will enable RENDER messages (GVT-g render message)\n"
+ "\t\tBit 8 (0x100) will enable CMD messages (GVT-g command message)");
diff --git a/drivers/gpu/drm/i915/i915_params.h b/drivers/gpu/drm/i915/i915_params.h
index ac84470..cd29c78 100644
--- a/drivers/gpu/drm/i915/i915_params.h
+++ b/drivers/gpu/drm/i915/i915_params.h
@@ -54,6 +54,7 @@
func(int, edp_vswing); \
func(int, reset); \
func(unsigned int, inject_load_failure); \
+ func(int, debug_gvt); \
/* leave bools at the end to not create holes */ \
func(bool, alpha_support); \
func(bool, enable_cmd_parser); \
--
1.9.4