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[RFC,08/11] drm/i915/guc: Add preemption action to GuC firmware interface

Message ID 20170223191421.4502-4-michal.winiarski@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Michał Winiarski Feb. 23, 2017, 7:14 p.m. UTC 
Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
---
 drivers/gpu/drm/i915/intel_guc_fwif.h | 7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/intel_guc_fwif.h b/drivers/gpu/drm/i915/intel_guc_fwif.h
index 25691f0..5b79ce0 100644
--- a/drivers/gpu/drm/i915/intel_guc_fwif.h
+++ b/drivers/gpu/drm/i915/intel_guc_fwif.h
@@ -497,6 +497,7 @@  union guc_log_control {
 /* This Action will be programmed in C180 - SOFT_SCRATCH_O_REG */
 enum intel_guc_action {
 	INTEL_GUC_ACTION_DEFAULT = 0x0,
+	INTEL_GUC_ACTION_REQUEST_PREEMPTION = 0x2,
 	INTEL_GUC_ACTION_SAMPLE_FORCEWAKE = 0x6,
 	INTEL_GUC_ACTION_ALLOCATE_DOORBELL = 0x10,
 	INTEL_GUC_ACTION_DEALLOCATE_DOORBELL = 0x20,
@@ -510,6 +511,12 @@  enum intel_guc_action {
 	INTEL_GUC_ACTION_LIMIT
 };
 
+enum intel_guc_preempt_options {
+	INTEL_GUC_PREEMPT_OPTION_IMMEDIATE = 0x1,
+	INTEL_GUC_PREEMPT_OPTION_DROP_WORK_Q = 0x4,
+	INTEL_GUC_PREEMPT_OPTION_DROP_SUBMIT_Q = 0x8,
+};
+
 /*
  * The GuC sends its response to a command by overwriting the
  * command in SS0. The response is distinguishable from a command