[Intel-xe] [PATCH 2/3] drm/xe: Add missing TLB invalidation to emit_pipe_invalidate()

["José Roberto de Souza" <jose.souza@intel.com>]

i915 invalidates TLB before emit BB start, so doing the same in Xe.

Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
---
 drivers/gpu/drm/xe/regs/xe_gpu_commands.h | 1 +
 drivers/gpu/drm/xe/xe_ring_ops.c          | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/xe/regs/xe_gpu_commands.h b/drivers/gpu/drm/xe/regs/xe_gpu_commands.h
index 0f9c5b0b8a3ba..7c7320efea739 100644
--- a/drivers/gpu/drm/xe/regs/xe_gpu_commands.h
+++ b/drivers/gpu/drm/xe/regs/xe_gpu_commands.h
@@ -73,6 +73,7 @@
 #define   PIPE_CONTROL_STORE_DATA_INDEX			(1<<21)
 #define   PIPE_CONTROL_CS_STALL				(1<<20)
 #define   PIPE_CONTROL_GLOBAL_SNAPSHOT_RESET		(1<<19)
+#define   PIPE_CONTROL_TLB_INVALIDATE			(1<<18)
 #define   PIPE_CONTROL_PSD_SYNC				(1<<17)
 #define   PIPE_CONTROL_QW_WRITE				(1<<14)
 #define   PIPE_CONTROL_DEPTH_STALL			(1<<13)
diff --git a/drivers/gpu/drm/xe/xe_ring_ops.c b/drivers/gpu/drm/xe/xe_ring_ops.c
index d2fa0b4c8bcc0..4f3ef39109b9b 100644
--- a/drivers/gpu/drm/xe/xe_ring_ops.c
+++ b/drivers/gpu/drm/xe/xe_ring_ops.c
@@ -37,7 +37,8 @@
 		PIPE_CONTROL_INDIRECT_STATE_DISABLE | \
 		PIPE_CONTROL_FLUSH_ENABLE | \
 		PIPE_CONTROL_TEXTURE_CACHE_INVALIDATE | \
-		PIPE_CONTROL_DC_FLUSH_ENABLE)
+		PIPE_CONTROL_DC_FLUSH_ENABLE | \
+		PIPE_CONTROL_TLB_INVALIDATE)
 
 static u32 preparser_disable(bool state)
 {
@@ -117,7 +118,8 @@ static int emit_pipe_invalidate(u32 mask_flags, u32 *dw, int i)
 		PIPE_CONTROL_CONST_CACHE_INVALIDATE |
 		PIPE_CONTROL_STATE_CACHE_INVALIDATE |
 		PIPE_CONTROL_QW_WRITE |
-		PIPE_CONTROL_STORE_DATA_INDEX;
+		PIPE_CONTROL_STORE_DATA_INDEX |
+		PIPE_CONTROL_TLB_INVALIDATE;
 
 	flags &= ~mask_flags;
 
-- 
2.40.1