[Mesa-dev] [PATCH v2] radeonsi: fix a radeon kernel clear state error

[Jiang, Sonny]

Signed-off-by: Sonny Jiang <sonny.jiang at amd.com>
---
 src/gallium/drivers/radeonsi/si_pipe.c  | 6 ++++--
 src/gallium/drivers/radeonsi/si_state.c | 5 +++--
 2 files changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 9d25748df4..a82171c2dc 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -991,8 +991,10 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws,
 	}
 
 	/* The mere presense of CLEAR_STATE in the IB causes random GPU hangs
-	 * on SI. */
-	sscreen->has_clear_state = sscreen->info.chip_class >= CIK;
+	 * on SI. Some CLEAR_STATE cause asic hang on radeon kernel, etc.
+	 * SPI_VS_OUT_CONFIG. So only enable CI CLEAR_STATE on amdgpu kernel.*/
+	sscreen->has_clear_state = sscreen->info.chip_class >= CIK &&
+				   sscreen->info.drm_major == 3;
 
 	sscreen->has_distributed_tess =
 		sscreen->info.chip_class >= VI &&
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 8b2e6e57f4..cd43276b50 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -4899,8 +4899,9 @@ static void si_init_config(struct si_context *sctx)
 	bool has_clear_state = sscreen->has_clear_state;
 	struct si_pm4_state *pm4 = CALLOC_STRUCT(si_pm4_state);
 
-	/* Only SI can disable CLEAR_STATE for now. */
-	assert(has_clear_state || sscreen->info.chip_class == SI);
+	/* SI, radeon kernel disabled CLEAR_STATE. */
+	assert(has_clear_state || sscreen->info.chip_class == SI ||
+	       sscreen->info.drm_major != 3);
 
 	if (!pm4)
 		return;
-- 
2.17.1