Even though the default countable for CP0 is CP_ALWAYS_COUNT (0), program the selector during HW initialization in an effort to be up front about which counters are programmed and why. Signed-off-by: Jordan Crouse <jcrouse@xxxxxxxxxxxxxx> --- drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index fdbe9e9..56c2c44 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -597,6 +597,9 @@ static int a5xx_hw_init(struct msm_gpu *gpu) /* Turn on performance counters */ gpu_write(gpu, REG_A5XX_RBBM_PERFCTR_CNTL, 0x01); + /* Select CP0 to always count cycles */ + gpu_write(gpu, REG_A5XX_CP_PERFCTR_CP_SEL_0, PERF_CP_ALWAYS_COUNT); + /* Increase VFD cache access so LRZ and other data gets evicted less */ gpu_write(gpu, REG_A5XX_UCHE_CACHE_WAYS, 0x02); -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
