v3d: use screen name in disk cache

To keep in sync the GPU name used by the (pipe) screen and disk cache,
use the former in the latter.

Reviewed-by: Iago Toral Quiroga <itoral@igalia.com>
Signed-off-by: Juan A. Suarez Romero <jasuarez@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/29186>

src/gallium/drivers/v3d/v3d_disk_cache.c

@@ -26,6 +26,7 @@
  */
 
 #include "v3d_context.h"
+#include "v3d_screen.h"
 
 #include "util/blob.h"
 #include "util/u_upload_mgr.h"
@@ -51,14 +52,6 @@ v3d_key_size(gl_shader_stage stage)
 
 void v3d_disk_cache_init(struct v3d_screen *screen)
 {
-        char *renderer;
-
-        ASSERTED int len =
-                asprintf(&renderer, "V3D %d.%d",
-                         screen->devinfo.ver / 10,
-                         screen->devinfo.ver % 10);
-        assert(len > 0);
-
         const struct build_id_note *note =
                 build_id_find_nhdr_for_addr(v3d_disk_cache_init);
         assert(note && build_id_length(note) == 20);
@@ -69,9 +62,9 @@ void v3d_disk_cache_init(struct v3d_screen *screen)
         char timestamp[41];
         _mesa_sha1_format(timestamp, id_sha1);
 
-        screen->disk_cache = disk_cache_create(renderer, timestamp, v3d_mesa_debug);
-
-        free(renderer);
+        screen->disk_cache =
+                disk_cache_create(v3d_screen_get_name((struct pipe_screen *) screen),
+                                  timestamp, v3d_mesa_debug);
 }
 
 static void

src/gallium/drivers/v3d/v3d_screen.c

@@ -47,7 +47,7 @@
 #include "compiler/v3d_compiler.h"
 #include "drm-uapi/drm_fourcc.h"
 
-static const char *
+const char *
 v3d_screen_get_name(struct pipe_screen *pscreen)
 {
         struct v3d_screen *screen = v3d_screen(pscreen);

src/gallium/drivers/v3d/v3d_screen.h

@@ -104,6 +104,8 @@ struct pipe_screen *v3d_screen_create(int fd,
                                       const struct pipe_screen_config *config,
                                       struct renderonly *ro);
 
+const char *v3d_screen_get_name(struct pipe_screen *pscreen);
+
 void
 v3d_fence_screen_init(struct v3d_screen *screen);