Set up the RING_MI_NODE in new contexts to clear the STOP_RING bit, just
in case they find it still set after a reset (as they are the first
contexts to be run).
Signed-off-by: Chris Wilson
---
drivers/gpu/drm/i915/gt/intel_lrc.c | 14 +++---
1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c
b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 4fb70a7716e3..723914a41ef4 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -3030,10 +3030,8 @@ static void reset_csb_pointers(struct intel_engine_cs
*engine)
>csb_status[reset_value]);
}
-static void __execlists_reset_reg_state(const struct intel_context *ce,
- const struct intel_engine_cs *engine)
+static void __reset_stop_ring(u32 *regs, const struct intel_engine_cs *engine)
{
- u32 *regs = ce->lrc_reg_state;
int x;
x = lrc_ring_mi_mode(engine);
@@ -3043,6 +3041,14 @@ static void __execlists_reset_reg_state(const struct
intel_context *ce,
}
}
+static void __execlists_reset_reg_state(const struct intel_context *ce,
+ const struct intel_engine_cs *engine)
+{
+ u32 *regs = ce->lrc_reg_state;
+
+ __reset_stop_ring(regs, engine);
+}
+
static void __execlists_reset(struct intel_engine_cs *engine, bool stalled)
{
struct intel_engine_execlists * const execlists = >execlists;
@@ -4043,6 +4049,8 @@ static void execlists_init_reg_state(u32 *regs,
INTEL_GEN(engine->i915) >= 12 ?
GEN12_CTX_BB_PER_CTX_PTR :
CTX_BB_PER_CTX_PTR);
+
+ __reset_stop_ring(regs, engine);
}
static int
--
2.25.0.rc0
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