diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index b382cf505262..666f3d13706e 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -872,12 +872,25 @@ int etnaviv_gpu_debugfs(struct etnaviv_gpu *gpu, struct seq_file *m) */ static int enable_clk(struct etnaviv_gpu *gpu) { - if (gpu->clk_core) - clk_prepare_enable(gpu->clk_core); - if (gpu->clk_shader) - clk_prepare_enable(gpu->clk_shader); + int ret; + + if (gpu->clk_core) { + ret = clk_prepare_enable(gpu->clk_core); + if (ret) + return ret; + } + + if (gpu->clk_shader) { + ret = clk_prepare_enable(gpu->clk_shader); + if (ret) + goto disable_clk_core; + } return 0; + +disable_clk_core: + clk_disable_unprepare(gpu->clk_core); + return ret; } static int disable_clk(struct etnaviv_gpu *gpu) @@ -892,8 +905,13 @@ static int disable_clk(struct etnaviv_gpu *gpu) static int enable_axi(struct etnaviv_gpu *gpu) { - if (gpu->clk_bus) - clk_prepare_enable(gpu->clk_bus); + int ret; + + if (gpu->clk_bus) { + ret = clk_prepare_enable(gpu->clk_bus); + if (ret) + return ret; + } return 0; }