Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-22 Thread Vivek Gautam
Hi, On Thu, Feb 22, 2018 at 7:42 PM, Tomasz Figa wrote: > On Thu, Feb 22, 2018 at 10:45 PM, Robin Murphy wrote: >> [sorry, I had intended to reply sooner but clearly forgot] >> >> >> On 16/02/18 00:13, Tomasz Figa wrote: >>> >>> On Fri, Feb 16, 2018 at 2:14 AM, Robin Murphy >>> wrote:

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-22 Thread Tomasz Figa
On Thu, Feb 22, 2018 at 10:45 PM, Robin Murphy wrote: > [sorry, I had intended to reply sooner but clearly forgot] > > > On 16/02/18 00:13, Tomasz Figa wrote: >> >> On Fri, Feb 16, 2018 at 2:14 AM, Robin Murphy >> wrote: >>> >>> On 15/02/18 04:17, Tomasz Figa wrote: >>> [...] > > > Co

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-22 Thread Robin Murphy
[sorry, I had intended to reply sooner but clearly forgot] On 16/02/18 00:13, Tomasz Figa wrote: On Fri, Feb 16, 2018 at 2:14 AM, Robin Murphy wrote: On 15/02/18 04:17, Tomasz Figa wrote: [...] Could you elaborate on what kind of locking you are concerned about? As I explained before, the no

Re: [Freedreno] [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-22 Thread Rob Clark
On Thu, Feb 22, 2018 at 3:13 AM, Tomasz Figa wrote: > On Fri, Feb 16, 2018 at 9:13 AM, Tomasz Figa wrote: >> On Fri, Feb 16, 2018 at 2:14 AM, Robin Murphy wrote: >>> On 15/02/18 04:17, Tomasz Figa wrote: >>> [...] > > Could you elaborate on what kind of locking you are concerned about? >

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-22 Thread Tomasz Figa
On Fri, Feb 16, 2018 at 9:13 AM, Tomasz Figa wrote: > On Fri, Feb 16, 2018 at 2:14 AM, Robin Murphy wrote: >> On 15/02/18 04:17, Tomasz Figa wrote: >> [...] Could you elaborate on what kind of locking you are concerned about? As I explained before, the normally happening fast path

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-15 Thread Tomasz Figa
On Fri, Feb 16, 2018 at 2:14 AM, Robin Murphy wrote: > On 15/02/18 04:17, Tomasz Figa wrote: > [...] >>> >>> Could you elaborate on what kind of locking you are concerned about? >>> As I explained before, the normally happening fast path would lock >>> dev->power_lock only for the brief moment of

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-15 Thread Robin Murphy
On 15/02/18 04:17, Tomasz Figa wrote: [...] Could you elaborate on what kind of locking you are concerned about? As I explained before, the normally happening fast path would lock dev->power_lock only for the brief moment of incrementing the runtime PM usage counter. My bad, that's not even it.

Re: [Freedreno] [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-15 Thread Rob Clark
On Wed, Feb 14, 2018 at 11:09 PM, Tomasz Figa wrote: > On Thu, Feb 15, 2018 at 1:12 AM, Rob Clark wrote: >> On Wed, Feb 14, 2018 at 10:48 AM, Jordan Crouse >> wrote: >>> On Wed, Feb 14, 2018 at 12:31:29PM +0900, Tomasz Figa wrote: - When submitting commands to the GPU, the GPU driver

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-14 Thread Tomasz Figa
On Thu, Feb 15, 2018 at 12:17 PM, Tomasz Figa wrote: > On Thu, Feb 15, 2018 at 1:03 AM, Robin Murphy wrote: >> On 14/02/18 10:33, Vivek Gautam wrote: >>> >>> On Wed, Feb 14, 2018 at 2:46 PM, Tomasz Figa wrote: >>> >>> Adding Jordan to this thread as well. >>> On Wed, Feb 14, 2018 at 6:13 PM

Re: [Freedreno] [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-14 Thread Tomasz Figa
On Thu, Feb 15, 2018 at 1:12 AM, Rob Clark wrote: > On Wed, Feb 14, 2018 at 10:48 AM, Jordan Crouse > wrote: >> On Wed, Feb 14, 2018 at 12:31:29PM +0900, Tomasz Figa wrote: >>> >>> - When submitting commands to the GPU, the GPU driver will >>> pm_runtime_get_sync() on the GPU device, which will

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-14 Thread Tomasz Figa
On Thu, Feb 15, 2018 at 1:03 AM, Robin Murphy wrote: > On 14/02/18 10:33, Vivek Gautam wrote: >> >> On Wed, Feb 14, 2018 at 2:46 PM, Tomasz Figa wrote: >> >> Adding Jordan to this thread as well. >> >>> On Wed, Feb 14, 2018 at 6:13 PM, Vivek Gautam >>> wrote: Hi Tomasz, On We

Re: [Freedreno] [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-14 Thread Rob Clark
On Wed, Feb 14, 2018 at 10:48 AM, Jordan Crouse wrote: > On Wed, Feb 14, 2018 at 12:31:29PM +0900, Tomasz Figa wrote: >> >> - When submitting commands to the GPU, the GPU driver will >> pm_runtime_get_sync() on the GPU device, which will automatically do >> the same on all the linked suppliers, wh

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-14 Thread Robin Murphy
On 14/02/18 10:33, Vivek Gautam wrote: On Wed, Feb 14, 2018 at 2:46 PM, Tomasz Figa wrote: Adding Jordan to this thread as well. On Wed, Feb 14, 2018 at 6:13 PM, Vivek Gautam wrote: Hi Tomasz, On Wed, Feb 14, 2018 at 11:08 AM, Tomasz Figa wrote: On Wed, Feb 14, 2018 at 1:17 PM, Vivek Gau

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-14 Thread Jordan Crouse
On Wed, Feb 14, 2018 at 12:31:29PM +0900, Tomasz Figa wrote: > Hi Jordan, > > On Wed, Feb 14, 2018 at 1:42 AM, Jordan Crouse wrote: > > On Tue, Feb 13, 2018 at 06:10:38PM +0900, Tomasz Figa wrote: > >> Hi Vivek, > >> > >> Thanks for the patch. Please see my comments inline. > >> > >> On Wed, Feb

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-14 Thread Vivek Gautam
On Wed, Feb 14, 2018 at 2:46 PM, Tomasz Figa wrote: Adding Jordan to this thread as well. > On Wed, Feb 14, 2018 at 6:13 PM, Vivek Gautam > wrote: >> Hi Tomasz, >> >> On Wed, Feb 14, 2018 at 11:08 AM, Tomasz Figa wrote: >>> On Wed, Feb 14, 2018 at 1:17 PM, Vivek Gautam >>> wrote: Hi Toma

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-14 Thread Tomasz Figa
On Wed, Feb 14, 2018 at 6:13 PM, Vivek Gautam wrote: > Hi Tomasz, > > On Wed, Feb 14, 2018 at 11:08 AM, Tomasz Figa wrote: >> On Wed, Feb 14, 2018 at 1:17 PM, Vivek Gautam >> wrote: >>> Hi Tomasz, >>> >>> On Wed, Feb 14, 2018 at 8:31 AM, Tomasz Figa wrote: On Wed, Feb 14, 2018 at 11:13 AM,

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-14 Thread Vivek Gautam
Hi Tomasz, On Wed, Feb 14, 2018 at 11:08 AM, Tomasz Figa wrote: > On Wed, Feb 14, 2018 at 1:17 PM, Vivek Gautam > wrote: >> Hi Tomasz, >> >> On Wed, Feb 14, 2018 at 8:31 AM, Tomasz Figa wrote: >>> On Wed, Feb 14, 2018 at 11:13 AM, Rob Clark wrote: On Tue, Feb 13, 2018 at 8:59 PM, Tomasz F

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-13 Thread Tomasz Figa
On Wed, Feb 14, 2018 at 1:17 PM, Vivek Gautam wrote: > Hi Tomasz, > > On Wed, Feb 14, 2018 at 8:31 AM, Tomasz Figa wrote: >> On Wed, Feb 14, 2018 at 11:13 AM, Rob Clark wrote: >>> On Tue, Feb 13, 2018 at 8:59 PM, Tomasz Figa wrote: On Wed, Feb 14, 2018 at 3:03 AM, Rob Clark wrote: > O

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-13 Thread Vivek Gautam
Hi Tomasz, On Wed, Feb 14, 2018 at 8:31 AM, Tomasz Figa wrote: > On Wed, Feb 14, 2018 at 11:13 AM, Rob Clark wrote: >> On Tue, Feb 13, 2018 at 8:59 PM, Tomasz Figa wrote: >>> On Wed, Feb 14, 2018 at 3:03 AM, Rob Clark wrote: On Tue, Feb 13, 2018 at 4:10 AM, Tomasz Figa wrote: > Hi Vi

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-13 Thread Tomasz Figa
Hi Jordan, On Wed, Feb 14, 2018 at 1:42 AM, Jordan Crouse wrote: > On Tue, Feb 13, 2018 at 06:10:38PM +0900, Tomasz Figa wrote: >> Hi Vivek, >> >> Thanks for the patch. Please see my comments inline. >> >> On Wed, Feb 7, 2018 at 7:31 PM, Vivek Gautam >> wrote: >> > While handling the concerned i

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-13 Thread Tomasz Figa
On Wed, Feb 14, 2018 at 11:13 AM, Rob Clark wrote: > On Tue, Feb 13, 2018 at 8:59 PM, Tomasz Figa wrote: >> On Wed, Feb 14, 2018 at 3:03 AM, Rob Clark wrote: >>> On Tue, Feb 13, 2018 at 4:10 AM, Tomasz Figa wrote: Hi Vivek, Thanks for the patch. Please see my comments inline. >>>

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-13 Thread Rob Clark
On Tue, Feb 13, 2018 at 8:59 PM, Tomasz Figa wrote: > On Wed, Feb 14, 2018 at 3:03 AM, Rob Clark wrote: >> On Tue, Feb 13, 2018 at 4:10 AM, Tomasz Figa wrote: >>> Hi Vivek, >>> >>> Thanks for the patch. Please see my comments inline. >>> >>> On Wed, Feb 7, 2018 at 7:31 PM, Vivek Gautam >>> wrot

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-13 Thread Tomasz Figa
On Wed, Feb 14, 2018 at 3:03 AM, Rob Clark wrote: > On Tue, Feb 13, 2018 at 4:10 AM, Tomasz Figa wrote: >> Hi Vivek, >> >> Thanks for the patch. Please see my comments inline. >> >> On Wed, Feb 7, 2018 at 7:31 PM, Vivek Gautam >> wrote: >>> While handling the concerned iommu, there should not be

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-13 Thread Rob Clark
On Tue, Feb 13, 2018 at 4:10 AM, Tomasz Figa wrote: > Hi Vivek, > > Thanks for the patch. Please see my comments inline. > > On Wed, Feb 7, 2018 at 7:31 PM, Vivek Gautam > wrote: >> While handling the concerned iommu, there should not be a >> need to power control the drm devices from iommu inter

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-13 Thread Jordan Crouse
On Tue, Feb 13, 2018 at 06:10:38PM +0900, Tomasz Figa wrote: > Hi Vivek, > > Thanks for the patch. Please see my comments inline. > > On Wed, Feb 7, 2018 at 7:31 PM, Vivek Gautam > wrote: > > While handling the concerned iommu, there should not be a > > need to power control the drm devices from

Re: [PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-13 Thread Tomasz Figa
Hi Vivek, Thanks for the patch. Please see my comments inline. On Wed, Feb 7, 2018 at 7:31 PM, Vivek Gautam wrote: > While handling the concerned iommu, there should not be a > need to power control the drm devices from iommu interface. > If these drm devices need to be powered around this time,

[PATCH v7 6/6] drm/msm: iommu: Replace runtime calls with runtime suppliers

2018-02-07 Thread Vivek Gautam
While handling the concerned iommu, there should not be a need to power control the drm devices from iommu interface. If these drm devices need to be powered around this time, the respective drivers should take care of this. Replace the pm_runtime_get/put_sync() with pm_runtime_get/put_suppliers()