+Rex, Hi Rex, do you know if we need to double the CP table size when enabling PG? Regards, David Zhou On 2016å¹´07æ??12æ?¥ 10:15, Tom St Denis wrote: > Honestly, we don't have documentation handy for the exact size > required when enabling PG (Alex and I) are trying to sort it out. > > Without the patch both ST and CZ are unstable with PG enabled. With > it so far they both seem to be running fine (I have a glmark2 + > various things) running. > > The final version will be probably somewhere between the two revisions > but for now the old revision isn't stable. > > Tom > > > > On Mon, Jul 11, 2016 at 9:57 PM zhoucm1 <david1.zhou at amd.com > <mailto:david1.zhou at amd.com>> wrote: > > > > On 2016å¹´07æ??12æ?¥ 05:22, Tom St Denis wrote: > > Was seeing GPU/CPU hangs with previous CP table size. > > With it doubled I've had a full day of uptime while > > running a variety of activities with PG/CG enabled. > What is the root cause? Does the CP table size need 4K alignment? > We need to identify it before pushing. > > Regards, > David Zhou > > > > Signed-off-by: Tom St Denis <tom.stdenis at amd.com > <mailto:tom.stdenis at amd.com>> > > --- > > drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c > b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c > > index 24faddbd9a5d..cbbbd5f1da0f 100644 > > --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c > > +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c > > @@ -1293,7 +1293,7 @@ static int gfx_v8_0_rlc_init(struct > amdgpu_device *adev) > > > > if ((adev->asic_type == CHIP_CARRIZO) || > > (adev->asic_type == CHIP_STONEY)) { > > - adev->gfx.rlc.cp_table_size = ALIGN(96 * 5 * 4, > 2048) + (64 * 1024); /* JT + GDS */ > > + adev->gfx.rlc.cp_table_size = (ALIGN(96 * 5 * 4, > 2048) + (64 * 1024)) * 2; /* JT + GDS */ > > if (adev->gfx.rlc.cp_table_obj == NULL) { > > r = amdgpu_bo_create(adev, > adev->gfx.rlc.cp_table_size, PAGE_SIZE, true, > > AMDGPU_GEM_DOMAIN_VRAM, > -------------- next part -------------- An HTML attachment was scrubbed... URL: <https://lists.freedesktop.org/archives/amd-gfx/attachments/20160712/20dae0b0/attachment-0001.html>
