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drm/i915: Enable Engine reset and recovery support

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This feature is made available only from Gen8, for previous gen devices
driver uses legacy full gpu reset.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Tomas Elf <tomas.elf@intel.com>
Signed-off-by: Arun Siluvery <arun.siluvery@linux.intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170615201828.23144-10-michel.thierry@intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170620095751.13127-10-chris@chris-wilson.co.uk
This commit is contained in:
Michel Thierry 2017-06-20 10:57:51 +01:00 committed by Chris Wilson
parent abeb4def31
commit d3d3765fc1
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/i915/i915_params.c
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@ -46,7 +46,7 @@ struct i915_params i915 __read_mostly = {
.prefault_disable = 0,
.load_detect_test = 0,
.force_reset_modeset_test = 0,
.reset = 1,
.reset = 2,
.error_capture = true,
.invert_brightness = 0,
.disable_display = 0,
@ -116,7 +116,7 @@ MODULE_PARM_DESC(vbt_sdvo_panel_type,
"(-2=ignore, -1=auto [default], index in VBT BIOS table)");
module_param_named_unsafe(reset, i915.reset, int, 0600);
MODULE_PARM_DESC(reset, "Attempt GPU resets (0=disabled, 1=full gpu reset [default], 2=engine reset)");
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);