r600g,radeonsi: add a driver query returning GPU load

Reviewed-by: Alex Deucher <[email protected]>

2 files changed, 19 insertions, 0 deletions

diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
index b3e3cb29429..a6f847f6bd5 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c
@@ -582,6 +582,21 @@ static uint64_t radeon_query_value(struct radeon_winsys *rws,
     return 0;
 }
 
+static void radeon_read_registers(struct radeon_winsys *rws,
+                                  unsigned reg_offset,
+                                  unsigned num_registers, uint32_t *out)
+{
+    struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws;
+    unsigned i;
+
+    for (i = 0; i < num_registers; i++) {
+        uint32_t reg = reg_offset + i*4;
+
+        radeon_get_drm_value(ws->fd, RADEON_INFO_READ_REG, "read-reg", &reg);
+        out[i] = reg;
+    }
+}
+
 static unsigned hash_fd(void *key)
 {
     int fd = pointer_to_intptr(key);
@@ -728,6 +743,7 @@ radeon_drm_winsys_create(int fd, radeon_screen_create_t screen_create)
     ws->base.surface_init = radeon_drm_winsys_surface_init;
     ws->base.surface_best = radeon_drm_winsys_surface_best;
     ws->base.query_value = radeon_query_value;
+    ws->base.read_registers = radeon_read_registers;
 
     radeon_bomgr_init_functions(ws);
     radeon_drm_cs_init_functions(ws);
diff --git a/src/gallium/winsys/radeon/drm/radeon_winsys.h b/src/gallium/winsys/radeon/drm/radeon_winsys.h
index 996a2017b07..ee0a9040709 100644
--- a/src/gallium/winsys/radeon/drm/radeon_winsys.h
+++ b/src/gallium/winsys/radeon/drm/radeon_winsys.h
@@ -589,6 +589,9 @@ struct radeon_winsys {
 
     uint64_t (*query_value)(struct radeon_winsys *ws,
                             enum radeon_value_id value);
+
+    void (*read_registers)(struct radeon_winsys *ws, unsigned reg_offset,
+                           unsigned num_registers, uint32_t *out);
 };