> -----Original Message----- > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > Sent: Tuesday, September 20, 2022 1:20 AM > To: Srivatsa, Anusha <anusha.srivatsa@xxxxxxxxx> > Cc: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; Shankar, Uma > <uma.shankar@xxxxxxxxx>; Vivi, Rodrigo <rodrigo.vivi@xxxxxxxxx> > Subject: Re: [PATCH 0/6] Introduce struct cdclk_step > > On Fri, Sep 16, 2022 at 05:43:58PM -0700, Anusha Srivatsa wrote: > > This is a prep series for the actual cdclk refactoring that will be > > sent following this. Idea is to have a struct - cdclk_step that holds > > the following: > > - cdclk action (squash, crawl or modeset) > > - cdclk frequency > > which gets populated in atomic check. Driver uses the populated values > > during atomic commit to do the suitable sequence of actions like > > programming squash ctl registers in case of squashing or PLL sequence > > incase of modeset and so on. > > > > This series just addresses the initial idea. The actual plumming in > > the atomic commit phase will be sent shortly. > > OK, people keep ignoring what I say so I just typed up the code quickly. This > to me seems like the most straightforward way to do what we need: > https://github.com/vsyrjala/linux.git cdclk_crawl_and_squash > > Totally untested ofc, apart from me doing a quick scan through our cdclk > tables for the crawl+squahs platforms to make sure that this approach > should produce sane values. Ville, Why have a mid cdclk_config? Cant we use the new-cdclk-config for this purpose? Anusha > > > > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Cc: Uma Shankar <uma.shankar@xxxxxxxxx> > > Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> > > > > Anusha Srivatsa (6): > > drm/i915/display Add dg2_prog_squash_ctl() helper > > drm/i915/display: add cdclk action struct to cdclk_config > > drm/i915/display: Embed the new struct steps for squashing > > drm/i915/display: Embed the new struct steps for crawling > > drm/i915/display: Embed the new struct steps for modeset > > drm/i915/display: Dump the new cdclk config values > > > > drivers/gpu/drm/i915/display/intel_cdclk.c | 77 > > +++++++++++++++++----- drivers/gpu/drm/i915/display/intel_cdclk.h | > > 16 ++++- > > 2 files changed, 74 insertions(+), 19 deletions(-) > > > > -- > > 2.25.1 > > -- > Ville Syrjälä > Intel
