v3d: Add support for flushing dirty TMU data at job end.

This will be needed for SSBOs and image_load_store.

2 files changed, 20 insertions, 0 deletions

diff --git a/src/gallium/drivers/v3d/v3d_context.h b/src/gallium/drivers/v3d/v3d_context.h
index 9f52342d2dd..25be07c2437 100644
--- a/src/gallium/drivers/v3d/v3d_context.h
+++ b/src/gallium/drivers/v3d/v3d_context.h
@@ -308,6 +308,11 @@ struct v3d_job {
          */
         bool needs_flush;
 
+        /* Set if any shader has dirtied cachelines in the TMU that need to be
+         * flushed before job end.
+         */
+        bool tmu_dirty_rcl;
+
         /**
          * Set if a packet enabling TF has been emitted in the job (V3D 4.x).
          */
diff --git a/src/gallium/drivers/v3d/v3dx_rcl.c b/src/gallium/drivers/v3d/v3dx_rcl.c
index 17b30465c9d..45115c0b0cc 100644
--- a/src/gallium/drivers/v3d/v3dx_rcl.c
+++ b/src/gallium/drivers/v3d/v3dx_rcl.c
@@ -786,5 +786,20 @@ v3dX(emit_rcl)(struct v3d_job *job)
                 }
         }
 
+        if (job->tmu_dirty_rcl) {
+           cl_emit(&job->rcl, L1_CACHE_FLUSH_CONTROL, flush) {
+              flush.tmu_config_cache_clear = 0xf;
+              flush.tmu_data_cache_clear = 0xf;
+              flush.uniforms_cache_clear = 0xf;
+              flush.instruction_cache_clear = 0xf;
+           }
+
+           cl_emit(&job->rcl, L2T_CACHE_FLUSH_CONTROL, flush) {
+              flush.l2t_flush_mode = L2T_FLUSH_MODE_CLEAN;
+              flush.l2t_flush_start = cl_address(NULL, 0);
+              flush.l2t_flush_end = cl_address(NULL, ~0);
+           }
+        }
+
         cl_emit(&job->rcl, END_OF_RENDERING, end);
 }