drm/msm: adreno: add defines for gpu & gmu frequency table sizes

Even if the code uses ARRAY_SIZE() to fill those tables,
it's still a best practice to not use magic values for
tables in structs.

Suggested-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Akhil P Oommen <quic_akhilpo@quicinc.com>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Patchwork: https://patchwork.freedesktop.org/patch/629393/
Signed-off-by: Rob Clark <robdclark@chromium.org>

Author: superna9999

drivers/gpu/drm/msm/adreno/a6xx_gmu.h

@@ -19,6 +19,9 @@ struct a6xx_gmu_bo {
 	u64 iova;
 };
 
+#define GMU_MAX_GX_FREQS	16
+#define GMU_MAX_CX_FREQS	4
+
 /*
  * These define the different GMU wake up options - these define how both the
  * CPU and the GMU bring up the hardware
@@ -79,12 +82,12 @@ struct a6xx_gmu {
 	int current_perf_index;
 
 	int nr_gpu_freqs;
-	unsigned long gpu_freqs[16];
-	u32 gx_arc_votes[16];
+	unsigned long gpu_freqs[GMU_MAX_GX_FREQS];
+	u32 gx_arc_votes[GMU_MAX_GX_FREQS];
 
 	int nr_gmu_freqs;
-	unsigned long gmu_freqs[4];
-	u32 cx_arc_votes[4];
+	unsigned long gmu_freqs[GMU_MAX_CX_FREQS];
+	u32 cx_arc_votes[GMU_MAX_CX_FREQS];
 
 	unsigned long freq;