On Tue, 01 Feb 2022, Lucas De Marchi <lucas.demarchi@xxxxxxxxx> wrote: > On Tue, Feb 01, 2022 at 11:15:31AM +0000, Tvrtko Ursulin wrote: >>From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> >> >>Quicky and dirty hack based on some old ideas. Thought maybe the approach might >>interest the Arm port guys. But with IS_GEN_RANGE removed easy gains are not so >>big so meh.. Maybe some more easy wins with IS_DISPLAY_VER but I haven't looked >>into that side. >> >> 3884664 449681 6720 4341065 423d49 i915.ko.tip >> 3599989 429034 6688 4035711 3d947f i915.ko.noigp > > By these numbers probably it's hard to justify. Another thing to consider > is that it's very common to have on the same system both > integrated and discrete - doing this would remove at compile time any > chance of driving the integrated one. I guess the point was, the arm systems won't have integrated, and it's anyway going to be a separate build. BR, Jani. > > Lucas De Marchi > >> >>Note debug kconfig so everything is inflated. Whether or not the relative gain >>would change with production kconfig I am not sure. >> >>P.S. >>I was a bit curious there were no build errors around functions no longer used >>so either there were none (would mean patch is not really that effective), or >>something changed with compiler warnings/smarts. Haven't looked into it. >> >>Tvrtko Ursulin (2): >> igp kconfig >> jsl/ehl >> >> drivers/gpu/drm/i915/Kconfig | 5 + >> drivers/gpu/drm/i915/Kconfig.platforms | 7 + >> .../drm/i915/display/intel_ddi_buf_trans.c | 4 +- >> drivers/gpu/drm/i915/display/intel_dpll_mgr.c | 2 +- >> drivers/gpu/drm/i915/i915_drv.h | 128 +++++++++++------- >> drivers/gpu/drm/i915/i915_pci.c | 44 +++++- >> 6 files changed, 134 insertions(+), 56 deletions(-) >> create mode 100644 drivers/gpu/drm/i915/Kconfig.platforms >> >>-- >>2.32.0 >> -- Jani Nikula, Intel Open Source Graphics Center
