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gpu: nvgpu: check null when call clk_round_rate

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Bug 1726406

Change-Id: Ia03b0a174e92b28c471164cefcde514e6db94bdf
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: http://git-master/r/1002700
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vladislav Buzov <vbuzov@nvidia.com>
This commit is contained in:
Richard Zhao
2016-02-03 17:05:24 -08:00
committed by Vladislav Buzov
parent 0261d1fd94
commit aa8f516354
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/nvgpu/gk20a/gk20a.c
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@@ -2031,7 +2031,8 @@ int gk20a_init_gpu_characteristics(struct gk20a *g)
gpu->map_buffer_batch_limit = 256;
gpu->max_freq = platform->clk_round_rate(g->dev, UINT_MAX);
if (platform->clk_round_rate)
gpu->max_freq = platform->clk_round_rate(g->dev, UINT_MAX);
return 0;
}