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path: root/drivers/gpu/drm/i915/i915_params.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_params.c')
-rw-r--r--drivers/gpu/drm/i915/i915_params.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index b6a7e363d076..88b9d3e6713a 100644
--- a/drivers/gpu/drm/i915/i915_params.c
+++ b/drivers/gpu/drm/i915/i915_params.c
@@ -46,7 +46,7 @@ struct i915_params i915 __read_mostly = {
.prefault_disable = 0,
.load_detect_test = 0,
.force_reset_modeset_test = 0,
- .reset = true,
+ .reset = 2,
.error_capture = true,
.invert_brightness = 0,
.disable_display = 0,
@@ -63,8 +63,9 @@ struct i915_params i915 __read_mostly = {
.huc_firmware_path = NULL,
.enable_dp_mst = true,
.inject_load_failure = 0,
- .enable_dpcd_backlight = false,
+ .enable_dpcd_backlight = -1,
.enable_gvt = false,
+ .enable_dbc = true,
};
module_param_named(modeset, i915.modeset, int, 0400);
@@ -115,8 +116,8 @@ MODULE_PARM_DESC(vbt_sdvo_panel_type,
"Override/Ignore selection of SDVO panel mode in the VBT "
"(-2=ignore, -1=auto [default], index in VBT BIOS table)");
-module_param_named_unsafe(reset, i915.reset, bool, 0600);
-MODULE_PARM_DESC(reset, "Attempt GPU resets (default: true)");
+module_param_named_unsafe(reset, i915.reset, int, 0600);
+MODULE_PARM_DESC(reset, "Attempt GPU resets (0=disabled, 1=full gpu reset, 2=engine reset [default])");
#if IS_ENABLED(CONFIG_DRM_I915_CAPTURE_ERROR)
module_param_named(error_capture, i915.error_capture, bool, 0600);
@@ -246,10 +247,15 @@ MODULE_PARM_DESC(enable_dp_mst,
module_param_named_unsafe(inject_load_failure, i915.inject_load_failure, uint, 0400);
MODULE_PARM_DESC(inject_load_failure,
"Force an error after a number of failure check points (0:disabled (default), N:force failure at the Nth failure check point)");
-module_param_named(enable_dpcd_backlight, i915.enable_dpcd_backlight, bool, 0600);
+module_param_named_unsafe(enable_dpcd_backlight, i915.enable_dpcd_backlight, int, 0600);
MODULE_PARM_DESC(enable_dpcd_backlight,
- "Enable support for DPCD backlight control (default:false)");
+ "Enable support for DPCD backlight control "
+ "(-1:auto (default), 0:force disable, 1:force enabled if supported");
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_unsafe(enable_dbc, i915.enable_dbc, bool, 0600);
+MODULE_PARM_DESC(enable_dbc,
+ "Enable support for dynamic backlight control (default:true)");