On Thu, Jan 11, 2018 at 06:23:20PM +0000, Oscar Mateo wrote: > From: Tvrtko Ursulin <[email protected]> > > Gen11 removes the Resource Streamer, which frees up a big chunk of > the context image. BSpec indicates 12538 DWORDs (13 pages), plus > one page for PPHWSP. > > Please notice that, when looking at the BSpec context image table, > the right filter has to be applied (e.g. "IcelakeLP") as some rows > are excluded for specific GENs. Also, some rows apply per-subslice > (for the calculation above, we have supposed 8 subslices which is > the maximum SKU we expect). > > v2: Rebase. > v3: Use the right size as per the BSpec. > > BSpec: 18907 > > Acked-by: Ben Widawsky <[email protected]> > Signed-off-by: Tvrtko Ursulin <[email protected]> > Signed-off-by: Oscar Mateo <[email protected]> > --- > drivers/gpu/drm/i915/intel_engine_cs.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c > b/drivers/gpu/drm/i915/intel_engine_cs.c > index e88b2fd..79b7d36 100644 > --- a/drivers/gpu/drm/i915/intel_engine_cs.c > +++ b/drivers/gpu/drm/i915/intel_engine_cs.c > @@ -41,6 +41,7 @@ > #define GEN8_LR_CONTEXT_RENDER_SIZE (20 * PAGE_SIZE) > #define GEN9_LR_CONTEXT_RENDER_SIZE (22 * PAGE_SIZE) > #define GEN10_LR_CONTEXT_RENDER_SIZE (18 * PAGE_SIZE) > +#define GEN11_LR_CONTEXT_RENDER_SIZE (14 * PAGE_SIZE) > > #define GEN8_LR_CONTEXT_OTHER_SIZE ( 2 * PAGE_SIZE) > > @@ -181,6 +182,8 @@ struct engine_info { > switch (INTEL_GEN(dev_priv)) { > default: > MISSING_CASE(INTEL_GEN(dev_priv));
I believe this default is getting danger as we decrease the size here. I believe the safest one for missing case is the largest one whatever that is. > + case 11: > + return GEN11_LR_CONTEXT_RENDER_SIZE; > case 10: > return GEN10_LR_CONTEXT_RENDER_SIZE; > case 9: > -- > 1.9.1 > > _______________________________________________ > Intel-gfx mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
