| Message ID | 20231220-sa8295p-gpu-v1-3-d8cdf2257f97@quicinc.com |
|---|---|
| State | Superseded |
| Headers | show |
| Series | arm64: dts: qcom: sa8295p: Enable GPU | expand |
On Thu, 21 Dec 2023 at 05:51, Bjorn Andersson <quic_bjorande@quicinc.com> wrote: > > On SA8295P and SA8540P the GFX rail is powered by a dedicated external > regulator, instead of the rpmh-controlled "gfx.lvl". > > Define the "vdd-gfx" as the supply regulator for the GDSC, to cause the > gdsc logic to look for, and control, this external power supply. > > Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com> > --- > drivers/clk/qcom/gpucc-sc8280xp.c | 1 + > 1 file changed, 1 insertion(+) Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
diff --git a/drivers/clk/qcom/gpucc-sc8280xp.c b/drivers/clk/qcom/gpucc-sc8280xp.c index 8e147ee294ee..e2b3bc000c71 100644 --- a/drivers/clk/qcom/gpucc-sc8280xp.c +++ b/drivers/clk/qcom/gpucc-sc8280xp.c @@ -399,6 +399,7 @@ static struct gdsc gx_gdsc = { }, .pwrsts = PWRSTS_OFF_ON, .flags = CLAMP_IO | RETAIN_FF_ENABLE, + .supply = "vdd-gfx", }; static struct gdsc *gpu_cc_sc8280xp_gdscs[] = {
On SA8295P and SA8540P the GFX rail is powered by a dedicated external regulator, instead of the rpmh-controlled "gfx.lvl". Define the "vdd-gfx" as the supply regulator for the GDSC, to cause the gdsc logic to look for, and control, this external power supply. Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com> --- drivers/clk/qcom/gpucc-sc8280xp.c | 1 + 1 file changed, 1 insertion(+)