Re: [PATCH v4 4/8] clk: qcom: Add GPU clock controller driver for SM6125

From: Konrad Dybcio
Date: Tue Jan 31 2023 - 07:38:19 EST




On 31.01.2023 10:00, Dmitry Baryshkov wrote:
> On 31/01/2023 01:59, Konrad Dybcio wrote:
>> Add support for the GPU clock controller found on SM6125.
>>
>> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
>> ---
[...]

>> +    /* Set recommended WAKEUP/SLEEP settings for the gpu_cc_cx_gmu_clk */
>> +    regmap_update_bits(regmap, gpu_cc_cx_gmu_clk.clkr.enable_reg, CBCR_WAKEUP, 0xf);
>> +    regmap_update_bits(regmap, gpu_cc_cx_gmu_clk.clkr.enable_reg, CBCR_SLEEP, 0xf);
>
> I think you have to use FIELD_PREP here. regmap_update_bits doesn't shift the value according to the mask, does it?
>
You're right.

Konrad
>> +
>> +    qcom_branch_set_force_mem_core(regmap, gpu_cc_gx_gfx3d_clk.halt_reg, true);
>> +    qcom_branch_set_force_periph_on(regmap, gpu_cc_gx_gfx3d_clk.halt_reg, true);
>> +
>> +    return qcom_cc_really_probe(pdev, &gpu_cc_sm6125_desc, regmap);
>> +}
>> +
>> +static struct platform_driver gpu_cc_sm6125_driver = {
>> +    .probe = gpu_cc_sm6125_probe,
>> +    .driver = {
>> +        .name = "gpucc-sm6125",
>> +        .of_match_table = gpu_cc_sm6125_match_table,
>> +    },
>> +};
>> +module_platform_driver(gpu_cc_sm6125_driver);
>> +
>> +MODULE_DESCRIPTION("QTI GPUCC SM6125 Driver");
>> +MODULE_LICENSE("GPL");
>