On Fri, Oct 11, 2013 at 04:13:07PM -0600, Stephen Warren wrote: > On 10/07/2013 02:34 AM, Thierry Reding wrote: > > Tegra114 uses a slightly updated version of host1x with an additional > > syncpoint. > > > drivers/gpu/host1x/hw/host1x02.c | 42 +++++ > > drivers/gpu/host1x/hw/host1x02.h | 26 +++ > > drivers/gpu/host1x/hw/hw_host1x02_channel.h | 121 ++++++++++++++ > > drivers/gpu/host1x/hw/hw_host1x02_sync.h | 243 ++++++++++++++++++++++++++++ > > drivers/gpu/host1x/hw/hw_host1x02_uclass.h | 175 ++++++++++++++++++++ > > That seems like an awful lot of extra lines to support just one extra > syncpoint. Are there other changes? If not, can the code be > shared/parameterized somehow? Yeah, I don't like very much how this is currently done. I mean about half of this is actually duplicate code because of the static inline functions used for register defines. As discussed elsewhere this was originally meant to be used for coverage testing, but nobody's done anything like that as far as I know. I'm also not convinced that these would be very useful in coverage testing, but adding Terje on Cc and unless he or anyone else has any (strong) objections I'll go and remove the duplicate definitions and while at it see if I can come up with a way to share more code/definitions between versions of host1x. Do you see this as a blocker for 3.13 or can I do the cleanup after that? As far as I know Tegra124 has a more heavily modified version of host1x so implementing Tegra124 support might be a good opportunity to clean this up anyway. Thierry
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