RE: [PATCH 1/2] drm/amd/powerplay: fix pre-check condition for setting clock range

2020-03-09 Thread Liang, Prike
> -Original Message- > From: Bjorn Helgaas > Sent: Monday, March 9, 2020 9:11 PM > To: Liang, Prike > Cc: amd-gfx@lists.freedesktop.org; Quan, Evan ; > Huang, Ray ; linux-ker...@vger.org; Deucher, > Alexander > Subject: Re: [PATCH 1/2] drm/amd/powerplay: fix

Re: [PATCH 1/2] drm/amd/powerplay: fix pre-check condition for setting clock range

2020-03-09 Thread Bjorn Helgaas
On Wed, Mar 04, 2020 at 10:55:37AM +0800, Prike Liang wrote: > This fix will handle some MP1 FW issue like as mclk dpm table in > renoir has a reverse dpm clock layout and a zero frequency dpm level > as following case. > > cat pp_dpm_mclk > 0: 1200Mhz > 1: 1200Mhz > 2: 800Mhz > 3: 0Mhz > > Signe

[PATCH 1/2] drm/amd/powerplay: fix pre-check condition for setting clock range

2020-03-03 Thread Prike Liang
This fix will handle some MP1 FW issue like as mclk dpm table in renoir has a reverse dpm clock layout and a zero frequency dpm level as following case. cat pp_dpm_mclk 0: 1200Mhz 1: 1200Mhz 2: 800Mhz 3: 0Mhz Signed-off-by: Prike Liang --- drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 2 +- dri