On Thu, Jul 25, 2024 at 11:11 PM Feng, Kenneth <Kenneth.Feng@xxxxxxx> wrote: > > [AMD Official Use Only - AMD Internal Distribution Only] > > Hi Alex, > I know that G6 MCLK = 2*UCLK. > May I know how did you get the data that effective_memory_clock = memory_controller_clock * 1? I swear someone on the pplib team told me it was 1 due to changes in the PHY. I stand corrected. Alex > Thanks. > > > -----Original Message----- > From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Alex Deucher > Sent: Friday, July 26, 2024 5:41 AM > To: Deucher, Alexander <Alexander.Deucher@xxxxxxx> > Cc: amd-gfx@xxxxxxxxxxxxxxxxxxxxx > Subject: Re: [PATCH] drm/amdgpu/pm: update documentation on memory clock > > Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding. > > > Ping? > > On Thu, May 2, 2024 at 5:07 PM Alex Deucher <alexander.deucher@xxxxxxx> wrote: > > > > Update documentation for RDNA3 dGPUs. > > > > Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> > > --- > > drivers/gpu/drm/amd/pm/amdgpu_pm.c | 6 ++++++ > > 1 file changed, 6 insertions(+) > > > > diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c > > index ec9058c80647a..9ad114e695e5d 100644 > > --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c > > +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c > > @@ -610,12 +610,18 @@ static ssize_t amdgpu_set_pp_table(struct device *dev, > > * > > * Clock conversion (Mhz): > > * > > + * Pre-RDNA3 GPUs: > > + * > > * HBM: effective_memory_clock = memory_controller_clock * 1 > > * > > * G5: effective_memory_clock = memory_controller_clock * 1 > > * > > * G6: effective_memory_clock = memory_controller_clock * 2 > > * > > + * RDNA3 GPUs: > > + * > > + * G6: effective_memory_clock = memory_controller_clock * 1 > > + * > > * DRAM data rate (MT/s): > > * > > * HBM: effective_memory_clock * 2 = data_rate > > -- > > 2.44.0 > >
