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

Michał Winiarski
2017-02-23T19:15:19Z

drivers/gpu/drm/i915/intel_guc_fwif.h | 7 +++++++
1 file changed, 7 insertions(+)

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