panfrost: Set register allocation in the v7 RSD

Required to hit full occupancy. Now that this information is piped
through the compiler, we can do this correctly.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11733>

diff --git a/src/panfrost/lib/pan_shader.h b/src/panfrost/lib/pan_shader.h
index 751d21a..6fa37bb 100644 (file)
--- a/src/panfrost/lib/pan_shader.h
+++ b/src/panfrost/lib/pan_shader.h
@@ -119,6 +119,13 @@ pan_shader_prepare_bifrost_rsd(const struct panfrost_device *dev,
         unsigned fau_count = DIV_ROUND_UP(info->push.count, 2);
         rsd->preload.uniform_count = fau_count;
 
+        if (dev->arch == 7) {
+                rsd->properties.bifrost.shader_register_allocation =
+                        (info->work_reg_count <= 32) ?
+                        MALI_SHADER_REGISTER_ALLOCATION_32_PER_THREAD :
+                        MALI_SHADER_REGISTER_ALLOCATION_64_PER_THREAD;
+        }
+
         switch (info->stage) {
         case MESA_SHADER_VERTEX:
                 rsd->preload.vertex.vertex_id = true;