[PATCH 09/10] drm/i915/tdr: Enable Engine reset and recovery support

Michel Thierry
2017-01-12T04:18:19Z

From: Arun Siluvery <arun.siluvery@linux.intel.com>

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>
---
drivers/gpu/drm/i915/i915_params.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_params.c b/drivers/gpu/drm/i915/i915_params.c
index c858c4d50491..fe1cc54e82e3 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 = 1,
+ .reset = 2,
.error_capture = true,
.invert_brightness = 0,
.disable_display = 0,
@@ -114,7 +114,7 @@ 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);