anv: debug messaging for sparse texture usage

Enable sparse debug messages with INTEL_DEBUG=sparse

Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24046>

src/intel/dev/intel_debug.c

@@ -103,6 +103,7 @@ static const struct debug_control debug_control[] = {
    { "swsb-stall",  DEBUG_SWSB_STALL },
    { "heaps",       DEBUG_HEAPS },
    { "isl",         DEBUG_ISL },
+   { "sparse",      DEBUG_SPARSE },
    { NULL,    0 }
 };
 

src/intel/dev/intel_debug.h

@@ -93,6 +93,7 @@ extern uint64_t intel_debug;
 #define DEBUG_SWSB_STALL          (1ull << 45)
 #define DEBUG_HEAPS               (1ull << 46)
 #define DEBUG_ISL                 (1ull << 47)
+#define DEBUG_SPARSE              (1ull << 48)
 
 #define DEBUG_ANY                 (~0ull)