diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index ec5ebae29434..3d5f3f7677bb 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -238,6 +238,17 @@ __execlists_update_reg_state(const struct intel_context *ce, const struct intel_engine_cs *engine, u32 head); +static u32 intel_context_get_runtime(const struct intel_context *ce) +{ + /* + * We can use either ppHWSP[16] which is recorded before the context + * switch (and so excludes the cost of context switches) or use the + * value from the context image itself, which is saved/restored earlier + * and so includes the cost of the save. + */ + return READ_ONCE(ce->lrc_reg_state[CTX_TIMESTAMP]); +} + static void mark_eio(struct i915_request *rq) { if (i915_request_completed(rq)) @@ -1154,6 +1165,7 @@ static void restore_default_state(struct intel_context *ce, engine->context_size - PAGE_SIZE); execlists_init_reg_state(regs, ce, engine, ce->ring, false); + ce->runtime.last = intel_context_get_runtime(ce); } static void reset_active(struct i915_request *rq, @@ -1195,17 +1207,6 @@ static void reset_active(struct i915_request *rq, ce->lrc_desc |= CTX_DESC_FORCE_RESTORE; } -static u32 intel_context_get_runtime(const struct intel_context *ce) -{ - /* - * We can use either ppHWSP[16] which is recorded before the context - * switch (and so excludes the cost of context switches) or use the - * value from the context image itself, which is saved/restored earlier - * and so includes the cost of the save. - */ - return READ_ONCE(ce->lrc_reg_state[CTX_TIMESTAMP]); -} - static void st_update_runtime_underflow(struct intel_context *ce, s32 dt) { #if IS_ENABLED(CONFIG_DRM_I915_SELFTEST) @@ -4614,6 +4615,7 @@ static void init_common_reg_state(u32 * const regs, regs[CTX_CONTEXT_CONTROL] = ctl; regs[CTX_RING_CTL] = RING_CTL_SIZE(ring->size) | RING_VALID; + regs[CTX_TIMESTAMP] = 0; } static void init_wa_bb_reg_state(u32 * const regs,