diff --git a/src/freedreno/common/freedreno_dev_info.h b/src/freedreno/common/freedreno_dev_info.h
index 10f3468af20..e69588ac980 100644
--- a/src/freedreno/common/freedreno_dev_info.h
+++ b/src/freedreno/common/freedreno_dev_info.h
@@ -69,6 +69,8 @@ struct fd_dev_info {
       uint32_t num_ccu;
    };
 
+   uint32_t num_slices;    /* gen8+ */
+
    struct {
       uint32_t RB_DBG_ECO_CNTL;
       uint32_t RB_DBG_ECO_CNTL_blit;
diff --git a/src/freedreno/common/freedreno_devices.py b/src/freedreno/common/freedreno_devices.py
index 1a5a0fec5dd..a2637b0815c 100644
--- a/src/freedreno/common/freedreno_devices.py
+++ b/src/freedreno/common/freedreno_devices.py
@@ -137,7 +137,7 @@ class A6xxGPUInfo(GPUInfo):
                  cs_shared_mem_size, wave_granularity, fibers_per_sp,
                  magic_regs, raw_magic_regs = None, highest_bank_bit = 15,
                  ubwc_swizzle = 0x6, macrotile_mode = 1,
-                 threadsize_base = 64, max_waves = 16):
+                 threadsize_base = 64, max_waves = 16, num_slices = 0):
         if chip == CHIP.A6XX:
             compute_lb_size = 0
         else:
@@ -163,6 +163,7 @@ class A6xxGPUInfo(GPUInfo):
                          compute_lb_size = compute_lb_size)
 
         self.num_ccu = num_ccu
+        self.num_slices = num_slices
 
         self.props = Struct()
 
@@ -1460,6 +1461,7 @@ add_gpus([
         CHIP.A8XX,
         [a7xx_base, a7xx_gen3, a8xx_base],
         num_ccu = 6,
+        num_slices = 3,
         tile_align_w = 64,
         tile_align_h = 32,
         tile_max_w = 16384,
@@ -1514,6 +1516,7 @@ add_gpus([
         CHIP.A8XX,
         [a7xx_base, a7xx_gen3, a8xx_base, a8xx_gen2],
         num_ccu = 6,
+        num_slices = 3,
         tile_align_w = 96,
         tile_align_h = 32,
         tile_max_w = 16416,
@@ -1532,6 +1535,7 @@ add_gpus([
         CHIP.A8XX,
         [a7xx_base, a7xx_gen3, a8xx_base, a8xx_gen2],
         num_ccu = 8,
+        num_slices = 4,
         tile_align_w = 64,
         tile_align_h = 64,
         tile_max_w = 16384,