[PATCH v2] drm/etnaviv: Fix flush sequence logic

[Tomeu Vizoso]

We should be comparing the last submitted sequence number with that of
the address space we may be switching to.

Fixes: 27b67278e007 ("drm/etnaviv: rework MMU handling")
Signed-off-by: Tomeu Vizoso <to...@tomeuvizoso.net>
---
 drivers/gpu/drm/etnaviv/etnaviv_buffer.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c 
b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
index b13a17276d07..88385dc3b30d 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_buffer.c
@@ -347,7 +347,7 @@ void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, u32 
exec_state,
        u32 link_target, link_dwords;
        bool switch_context = gpu->exec_state != exec_state;
        bool switch_mmu_context = gpu->mmu_context != mmu_context;
-       unsigned int new_flush_seq = READ_ONCE(gpu->mmu_context->flush_seq);
+       unsigned int new_flush_seq = READ_ONCE(mmu_context->flush_seq);
        bool need_flush = switch_mmu_context || gpu->flush_seq != new_flush_seq;
        bool has_blt = !!(gpu->identity.minor_features5 &
                          chipMinorFeatures5_BLT_ENGINE);
-- 
2.49.0