Messages in this thread | | | Subject | Re: [Intel-gfx] [PATCH v2 2/4] drm/i915/skl: Only flush pipes when we change the ddb allocation | From | Maarten Lankhorst <> | Date | Mon, 25 Jul 2016 09:34:44 +0200 |
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Op 21-07-16 om 21:23 schreef Lyude: > Manual pipe flushes are only necessary in order to make sure that we prevent > pipes with changed ddb allocations from overlapping from one another at > any point in time. Additionally, forcing us to wait for the next vblank > every time we have to update the watermark values because the cursor was > moving between screens will introduce a rather noticable lag for users. This screams for a testcase in kms_cursor_legacy, when does this happen exactly?
I'm guessing it needs 2 screens, page flip on both and cursor update on both, one hiding the cursor other screen making it reappear..
~Maarten
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