Revert "radeonsi: don't emit partial flushes at the end of IBs (v2)"

This reverts commit c9040dc9e75c81024f88f3f1bab821ad2bc73db3.

People have reported it causes corruption on VI, and I see GPU hangs
on GFX9.

diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c b/src/gallium/drivers/radeonsi/si_hw_context.c
index 76b295f9ecdc46994e86df2cce18efe4c6cca7aa..345825af002722015a319feee35dfaef01659a5c 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_hw_context.c
+++ b/src/gallium/drivers/radeonsi/si_hw_context.c
@@ -129,17 +129,13 @@ void si_context_gfx_flush(void *context, unsigned flags,
 
        r600_preflush_suspend_features(&ctx->b);
 
+       ctx->b.flags |= SI_CONTEXT_CS_PARTIAL_FLUSH |
+                       SI_CONTEXT_PS_PARTIAL_FLUSH;
+
        /* DRM 3.1.0 doesn't flush TC for VI correctly. */
-       if (ctx->b.chip_class == VI && ctx->b.screen->info.drm_minor <= 1) {
-               ctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
-                               SI_CONTEXT_CS_PARTIAL_FLUSH |
-                               SI_CONTEXT_INV_GLOBAL_L2 |
+       if (ctx->b.chip_class == VI && ctx->b.screen->info.drm_minor <= 1)
+               ctx->b.flags |= SI_CONTEXT_INV_GLOBAL_L2 |
                                SI_CONTEXT_INV_VMEM_L1;
-       } else if (ctx->b.chip_class == SI) {
-               /* The kernel doesn't wait for idle before doing SURFACE_SYNC. */
-               ctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH |
-                               SI_CONTEXT_CS_PARTIAL_FLUSH;
-       }
 
        si_emit_cache_flush(ctx);