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>

diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
index b4a79f88ccf45cfe651c86d2a9da39541c5772b3..88f18ea6a38a08b5b171709e5020010947a5d347 100644 (file)
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
+++ b/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;