On Tue, Mar 22, 2022 at 05:44:39PM -0500, Etheridge, Darren wrote:
> 
> 
> On 3/22/2022 5:27 PM, Denys Dmytriyenko wrote:
> >On Tue, Mar 22, 2022 at 05:16:20PM -0500, Etheridge, Darren wrote:
> >>
> >>
> >>On 3/22/2022 5:13 PM, Denys Dmytriyenko wrote:
> >>>On Tue, Mar 22, 2022 at 03:58:04PM -0500, Etheridge, Darren via 
> >>>lists.yoctoproject.org wrote:
> >>>>
> >>>>
> >>>>On 3/22/2022 3:49 PM, Nishanth Menon via lists.yoctoproject.org wrote:
> >>>>>On 14:35-20220322, Ryan Eatmon via lists.yoctoproject.org wrote:
> >>>>>>From: Krunal Bhargav <[email protected]>
> >>>>>>
> >>>>>>Signed-off-by: Krunal Bhargav <[email protected]>
> >>>>>>Signed-off-by: Ryan Eatmon <[email protected]>
> >>>>>>---
> >>>>>>  .../conf/distro/include/arago-prefs.inc              | 12 ++++++------
> >>>>>>  1 file changed, 6 insertions(+), 6 deletions(-)
> >>>>>>
> >>>>>>diff --git a/meta-arago-distro/conf/distro/include/arago-prefs.inc 
> >>>>>>b/meta-arago-distro/conf/distro/include/arago-prefs.inc
> >>>>>>index a356c76c..7bc2ba52 100644
> >>>>>>--- a/meta-arago-distro/conf/distro/include/arago-prefs.inc
> >>>>>>+++ b/meta-arago-distro/conf/distro/include/arago-prefs.inc
> >>>>>>@@ -14,12 +14,12 @@ PREFERRED_PROVIDER_virtual/libgles2 = 
> >>>>>>"ti-sgx-ddk-um"
> >>>>>>  PREFERRED_PROVIDER_virtual/libgbm = "ti-sgx-ddk-um"
> >>>>>>  PREFERRED_PROVIDER_virtual/gpudriver = "ti-sgx-ddk-km"
> >>>>>>-# J7 has a Rogue GPU core
> >>>>>>-PREFERRED_PROVIDER_virtual/egl_j7 = "ti-img-rogue-umlibs"
> >>>>>>-PREFERRED_PROVIDER_virtual/libgles1_j7 = "ti-img-rogue-umlibs"
> >>>>>>-PREFERRED_PROVIDER_virtual/libgles2_j7 = "ti-img-rogue-umlibs"
> >>>>>>-PREFERRED_PROVIDER_virtual/libgbm_j7 = "ti-img-rogue-umlibs"
> >>>>>>-PREFERRED_PROVIDER_virtual/gpudriver_j7 = "ti-img-rogue-driver"
> >>>>>>+# K3 TI Platforms has a Rogue GPU core
> >>>>>>+PREFERRED_PROVIDER_virtual/egl = "ti-img-rogue-umlibs"
> >>>>>>+PREFERRED_PROVIDER_virtual/libgles1 = "ti-img-rogue-umlibs"
> >>>>>>+PREFERRED_PROVIDER_virtual/libgles2 = "ti-img-rogue-umlibs"
> >>>>>>+PREFERRED_PROVIDER_virtual/libgbm = "ti-img-rogue-umlibs"
> >>>>>>+PREFERRED_PROVIDER_virtual/gpudriver = "ti-img-rogue-driver"
> >>>>>
> >>>>>How does this apply to k3 and leave non-k3 alone? Also, am65x for 
> >>>>>example is
> >>>>>sgx.
> >>>>>
> >>>>
> >>>>That is a very good point.  This will mess up SGX platforms.   I
> >>>>wish we had k3_ as the prefix for the name here for all the k3
> >>>>platforms.
> >>>
> >>>There is "k3" defined and you can do _k3 override to address all K3 
> >>>platforms,
> >>>but again, some are SGX and some are RGX...
> >>>
> >>>
> >>>>So I guess the only solution is leave all the _j7 as they were
> >>>>
> >>>>and add:
> >>>>+PREFERRED_PROVIDER_virtual/egl_am62 = "ti-img-rogue-umlibs"
> >>>>+PREFERRED_PROVIDER_virtual/libgles1_am62 = "ti-img-rogue-umlibs"
> >>>>+PREFERRED_PROVIDER_virtual/libgles2_am62 = "ti-img-rogue-umlibs"
> >>>>+PREFERRED_PROVIDER_virtual/libgbm_am62 = "ti-img-rogue-umlibs"
> >>>>+PREFERRED_PROVIDER_virtual/gpudriver_am62 = "ti-img-rogue-driver"
> >>>
> >>>And there's no "am62" defined, but "am62xx" :)
> >>>
> >>
> >>Isn't it a partial pattern match?   If it is not the _j7 won't work
> >>for j721s2 either.
> >
> >No, it's not a partial pattern match. Overrides use exact matches only, so
> >those have to be defined. Specifically these overrides come from SOC_FAMILY
> >variable and there are definitions for "k3", "j7", but there's no "j721s2"
> >SOC_FAMILY defined, so you cannot use _j721s2, nor _j7 will match it.
> >https://git.yoctoproject.org/meta-ti/tree/conf/machine/include?h=dunfell
> >
> 
> Thanks for the explanation Denys,  I was making totally wrong
> assumption on how that was being derived.
> 
> So we could actually use _k3 and get am62xx-evm, j721s2-evm and
> j7-evm with a single override.  All k3's use the IMG Rogue driver if
> they have a GPU.

What about am65xx? It is SGX.
And I assume am64xx and j7200 have no GPU.
If am65xx is the only exception in K3 family, then we could flip the 
compatibility setting.

-- 
Denys


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