Re: [PATCH] iommu: arm-smmu: Set SCTLR.HUPCF bit

2019-05-24 Thread Rob Clark
On Mon, Nov 26, 2018 at 11:31 AM Will Deacon wrote: > > Hi Rob, > > On Tue, Nov 13, 2018 at 08:12:35AM -0500, Rob Clark wrote: > > On Tue, Nov 13, 2018 at 1:32 AM Will Deacon wrote: > > > On Fri, Nov 09, 2018 at 01:01:55PM -0500, Rob Clark wrote: > > > > On Mon, Oct 29, 2018 at 3:09 PM Will

Re: [PATCH] iommu: arm-smmu: Set SCTLR.HUPCF bit

2018-11-26 Thread Rob Clark
On Mon, Nov 26, 2018 at 2:31 PM Will Deacon wrote: > > Hi Rob, > > On Tue, Nov 13, 2018 at 08:12:35AM -0500, Rob Clark wrote: > > On Tue, Nov 13, 2018 at 1:32 AM Will Deacon wrote: > > > On Fri, Nov 09, 2018 at 01:01:55PM -0500, Rob Clark wrote: > > > > On Mon, Oct 29, 2018 at 3:09 PM Will

Re: [PATCH] iommu: arm-smmu: Set SCTLR.HUPCF bit

2018-11-26 Thread Jordan Crouse
On Mon, Nov 26, 2018 at 07:31:48PM +, Will Deacon wrote: > Hi Rob, > > On Tue, Nov 13, 2018 at 08:12:35AM -0500, Rob Clark wrote: > > On Tue, Nov 13, 2018 at 1:32 AM Will Deacon wrote: > > > On Fri, Nov 09, 2018 at 01:01:55PM -0500, Rob Clark wrote: > > > > On Mon, Oct 29, 2018 at 3:09 PM

Re: [PATCH] iommu: arm-smmu: Set SCTLR.HUPCF bit

2018-11-26 Thread Will Deacon
Hi Rob, On Tue, Nov 13, 2018 at 08:12:35AM -0500, Rob Clark wrote: > On Tue, Nov 13, 2018 at 1:32 AM Will Deacon wrote: > > On Fri, Nov 09, 2018 at 01:01:55PM -0500, Rob Clark wrote: > > > On Mon, Oct 29, 2018 at 3:09 PM Will Deacon wrote: > > > > On Thu, Sep 27, 2018 at 06:46:07PM -0400, Rob

Re: [PATCH] iommu: arm-smmu: Set SCTLR.HUPCF bit

2018-11-13 Thread Rob Clark
On Tue, Nov 13, 2018 at 1:32 AM Will Deacon wrote: > > On Fri, Nov 09, 2018 at 01:01:55PM -0500, Rob Clark wrote: > > On Mon, Oct 29, 2018 at 3:09 PM Will Deacon wrote: > > > On Thu, Sep 27, 2018 at 06:46:07PM -0400, Rob Clark wrote: > > > > We seem to need to set either this or CFCFG (stall),

Re: [PATCH] iommu: arm-smmu: Set SCTLR.HUPCF bit

2018-11-12 Thread Will Deacon
On Fri, Nov 09, 2018 at 01:01:55PM -0500, Rob Clark wrote: > On Mon, Oct 29, 2018 at 3:09 PM Will Deacon wrote: > > On Thu, Sep 27, 2018 at 06:46:07PM -0400, Rob Clark wrote: > > > We seem to need to set either this or CFCFG (stall), otherwise gpu > > > faults trigger problems with other

Re: [PATCH] iommu: arm-smmu: Set SCTLR.HUPCF bit

2018-11-09 Thread Rob Clark
On Mon, Oct 29, 2018 at 3:09 PM Will Deacon wrote: > > On Thu, Sep 27, 2018 at 06:46:07PM -0400, Rob Clark wrote: > > We seem to need to set either this or CFCFG (stall), otherwise gpu > > faults trigger problems with other in-flight transactions from the > > GPU causing CP errors, etc. > > > >

Re: [PATCH] iommu: arm-smmu: Set SCTLR.HUPCF bit

2018-10-29 Thread Will Deacon
On Thu, Sep 27, 2018 at 06:46:07PM -0400, Rob Clark wrote: > We seem to need to set either this or CFCFG (stall), otherwise gpu > faults trigger problems with other in-flight transactions from the > GPU causing CP errors, etc. > > In the ARM SMMU spec, the 'Hit under previous context fault' bit