Re: [Freedreno] [PATCH 5/5] drm/msm/dpu1: Handle the reg bus ICC path

2023-04-19 Thread Dmitry Baryshkov
On 20/04/2023 00:26, Konrad Dybcio wrote: On 19.04.2023 22:11, Jeykumar Sankaran wrote: On 4/19/2023 12:48 PM, Konrad Dybcio wrote: On 19.04.2023 21:06, Jeykumar Sankaran wrote: On 4/17/2023 8:30 AM, Konrad Dybcio wrote: Apart from the already handled data bus (MAS_MDP_Pn<->DDR), ther

Re: [Freedreno] [PATCH 5/5] drm/msm/dpu1: Handle the reg bus ICC path

2023-04-19 Thread Konrad Dybcio
On 19.04.2023 22:11, Jeykumar Sankaran wrote: > > > On 4/19/2023 12:48 PM, Konrad Dybcio wrote: >> >> >> On 19.04.2023 21:06, Jeykumar Sankaran wrote: >>> >>> >>> On 4/17/2023 8:30 AM, Konrad Dybcio wrote: Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there's another pa

Re: [Freedreno] [PATCH 5/5] drm/msm/dpu1: Handle the reg bus ICC path

2023-04-19 Thread Jeykumar Sankaran
On 4/19/2023 12:48 PM, Konrad Dybcio wrote: On 19.04.2023 21:06, Jeykumar Sankaran wrote: On 4/17/2023 8:30 AM, Konrad Dybcio wrote: Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there's another path that needs to be handled to ensure MDSS functions properly, namely the "re

Re: [Freedreno] [PATCH 5/5] drm/msm/dpu1: Handle the reg bus ICC path

2023-04-19 Thread Konrad Dybcio
On 19.04.2023 21:06, Jeykumar Sankaran wrote: > > > On 4/17/2023 8:30 AM, Konrad Dybcio wrote: >> Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there's >> another path that needs to be handled to ensure MDSS functions properly, >> namely the "reg bus", a.k.a the CPU-MDSS intercon

Re: [Freedreno] [PATCH 5/5] drm/msm/dpu1: Handle the reg bus ICC path

2023-04-19 Thread Jeykumar Sankaran
On 4/17/2023 8:30 AM, Konrad Dybcio wrote: Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there's another path that needs to be handled to ensure MDSS functions properly, namely the "reg bus", a.k.a the CPU-MDSS interconnect. Gating that path may have a variety of effects.. from

Re: [Freedreno] [PATCH 5/5] drm/msm/dpu1: Handle the reg bus ICC path

2023-04-17 Thread Konrad Dybcio
On 17.04.2023 17:30, Konrad Dybcio wrote: > Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there's > another path that needs to be handled to ensure MDSS functions properly, > namely the "reg bus", a.k.a the CPU-MDSS interconnect. > > Gating that path may have a variety of effects.

[Freedreno] [PATCH 5/5] drm/msm/dpu1: Handle the reg bus ICC path

2023-04-17 Thread Konrad Dybcio
Apart from the already handled data bus (MAS_MDP_Pn<->DDR), there's another path that needs to be handled to ensure MDSS functions properly, namely the "reg bus", a.k.a the CPU-MDSS interconnect. Gating that path may have a variety of effects.. from none to otherwise inexplicable DSI timeouts.. O