radeonsi: disable sdma for gfx10

Disable sdma on gfx10 until all timeouts bugs are fixed.

See:
    https://gitlab.freedesktop.org/mesa/mesa/issues/1907
    https://bugs.freedesktop.org/show_bug.cgi?id=111481

Reviewed-by: Marek Olšák <marek.olsak@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index be7424e9b7b940b8ffab73819f6ae1f3411b8118..01c9d89ab4fe5eb7dc2eb9669baf2f00d4ddb0e0 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -483,7 +483,13 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
        if (!sctx->ctx)
                goto fail;
 
-       if (sscreen->info.num_sdma_rings && !(sscreen->debug_flags & DBG(NO_ASYNC_DMA))) {
+       if (sscreen->info.num_sdma_rings &&
+           !(sscreen->debug_flags & DBG(NO_ASYNC_DMA)) &&
+           /* SDMA timeouts sometimes on gfx10 so disable it for now. See:
+            *    https://bugs.freedesktop.org/show_bug.cgi?id=111481
+            *    https://gitlab.freedesktop.org/mesa/mesa/issues/1907
+            */
+           (sctx->chip_class != GFX10 || sscreen->debug_flags & DBG(FORCE_DMA))) {
                sctx->dma_cs = sctx->ws->cs_create(sctx->ctx, RING_DMA,
                                                   (void*)si_flush_dma_cs,
                                                   sctx, stop_exec_on_failure);