please just ignore this version... going to try fbc_dirty and other changes here... On Thu, Jun 6, 2013 at 12:00 PM, Chris Wilson <chris at chris-wilson.co.uk> wrote: > On Thu, Jun 06, 2013 at 11:49:56AM -0300, Rodrigo Vivi wrote: >> WaFbcNukeOn3DBlt for IVB, HSW. >> >> According BSPec: "Workaround: Do not enable Render Command Streamer tracking for FBC. >> Instead insert a LRI to address 0x50380 with data 0x00000004 after the PIPE_CONTROL that >> follows each render submission." >> >> v2: Chris noticed that flush_domains check was missing here and also suggested to do >> LRI only when fbc is enabled. To avoid do a I915_READ on every flush lets use the >> module parameter check. >> >> v3: Adding Wa name as Damien suggested. >> >> v4: Ville noticed VLV doesn't support fbc at all and comment came wrong from spec. >> >> v5: Ville noticed than on blt a Cache Clean LRI should be used instead the Nuke one. >> >> v6: Check for flush domain on blt (by Ville). >> Check for scanout dirty (by Chris). > Note quite what I had in mind, see > https://patchwork.kernel.org/patch/2606131/ > -Chris > > -- > Chris Wilson, Intel Open Source Technology Centre -- Rodrigo Vivi Blog: http://blog.vivi.eng.br
