Re: [PATCH] drm/i915/display: Limit max joined dotclock on pipes available
Jani Nikula <[email protected]>
| Newsgroups | org.freedesktop.lists.intel-xe,org.freedesktop.lists.intel-gfx,org.kernel.vger.stable |
|---|---|
| Organization | Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs Bertel Jungin Aukio 5, 02600 Espoo, Finland |
| Message-ID | <[email protected]> |
On Thu, 06 Aug 2026, "Nautiyal, Ankit K" <[email protected]> wrote: > On 8/6/2026 9:19 PM, Nautiyal, Ankit K wrote: >> On 8/6/2026 9:15 PM, Nautiyal, Ankit K wrote: >>> If fused pipes are AC or BD this will still give us 2. Perhaps should >>> have a check for atleast 2 consecutive pipes from >>> DISPLAY_RUNTIME_INFO(display)->pipe_mask >> >> >> ^I meant : if fused pipes are B or D, resulting in A,C and B,D >> respectively, as available pipes... > > > Correction (typo'd twice (facepalm)): I meant if the available pipes are > non-consecutive, like {A,C} or {B,D} the count is still 2, but > bigjoiner needs 2 consecutive pipes. > > So we should check pipe_mask for a consecutive pair. Agreed. The more complete approach at [1]. Thanks, Jani. [1] https://lore.kernel.org/r/[email protected] -- Jani Nikula, Intel