| Message ID | 20210113183817.447866-3-angelogioacchino.delregno@somainline.org |
|---|---|
| State | Accepted |
| Commit | c3656218386a40d884d8a757e1683028147c6e1c |
| Headers | show |
| Series | SDM630/660 GCC/MMCC/GPUCC clock controllers | expand |
Quoting AngeloGioacchino Del Regno (2021-01-13 10:38:10) > This clock is critical for any access to the GPU: gating it will > crash the system when the GPU has been initialized (so, you cannot > gate it unless you deinit the Adreno completely). > > So, to achieve a working state with GPU on, set the CLK_IS_CRITICAL > flag to this clock. > > Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> > --- Applied to clk-next
diff --git a/drivers/clk/qcom/gcc-sdm660.c b/drivers/clk/qcom/gcc-sdm660.c index 3b7181d0ff71..6394257ca8c0 100644 --- a/drivers/clk/qcom/gcc-sdm660.c +++ b/drivers/clk/qcom/gcc-sdm660.c @@ -1571,6 +1571,7 @@ static struct clk_branch gcc_gpu_cfg_ahb_clk = { .hw.init = &(struct clk_init_data){ .name = "gcc_gpu_cfg_ahb_clk", .ops = &clk_branch2_ops, + .flags = CLK_IS_CRITICAL, }, }, };
This clock is critical for any access to the GPU: gating it will crash the system when the GPU has been initialized (so, you cannot gate it unless you deinit the Adreno completely). So, to achieve a working state with GPU on, set the CLK_IS_CRITICAL flag to this clock. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org> --- drivers/clk/qcom/gcc-sdm660.c | 1 + 1 file changed, 1 insertion(+)