radeonsi: add AMD_DEBUG=nogfx for testing

Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 0140729..3bf3284 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -90,6 +90,7 @@ static const struct debug_named_value debug_options[] = {
        { "zerovram", DBG(ZERO_VRAM), "Clear VRAM allocations." },
 
        /* 3D engine options: */
+       { "nogfx", DBG(NO_GFX), "Disable graphics. Only multimedia compute paths can be used." },
        { "alwayspd", DBG(ALWAYS_PD), "Always enable the primitive discard compute shader." },
        { "pd", DBG(PD), "Enable the primitive discard compute shader for large draw calls." },
        { "nopd", DBG(NO_PD), "Disable the primitive discard compute shader." },
@@ -943,6 +944,9 @@ radeonsi_screen_create_impl(struct radeon_winsys *ws,
        sscreen->debug_flags |= debug_get_flags_option("AMD_DEBUG",
                                                       debug_options, 0);
 
+       if (sscreen->debug_flags & DBG(NO_GFX))
+               sscreen->info.has_graphics = false;
+
        /* Set functions first. */
        sscreen->b.context_create = si_pipe_create_context;
        sscreen->b.destroy = si_destroy_screen;

diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 8e2bd83..1f9fe1c 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -175,6 +175,7 @@ enum {
        DBG_ZERO_VRAM,
 
        /* 3D engine options: */
+       DBG_NO_GFX,
        DBG_ALWAYS_PD,
        DBG_PD,
        DBG_NO_PD,