Am 26.09.2019 15:51 schrieb Alex Deucher <alexdeuc...@gmail.com>:
On Thu, Sep 26, 2019 at 9:47 AM Koenig, Christian
<christian.koe...@amd.com> wrote:
>
> Am 26.09.19 um 15:40 schrieb Alex Deucher:
> > On Thu, Sep 26, 2019 at 8:29 AM Christian König
> > <ckoenig.leichtzumer...@gmail.com> wrote:
> >> Stop, wait a second guys!
> >>
> >> This will disable the workaround for Navi10 and that is certainly not
> >> correct:
> >>
> >> !(adev->asic_type >= CHIP_NAVI10 && adev->asic_type <= CHIP_NAVI12)
> >>
> > Actually, I think it's correct. When I merged the baco patch, I
> > accidentally dropped the navi checks. E.g.,
> > @@ -245,8 +245,9 @@ static void gmc_v10_0_flush_gpu_tlb(struct
> > amdgpu_device *adev,
> > mutex_lock(&adev->mman.gtt_window_lock);
> >
> > gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_MMHUB, 0);
> > - if (!adev->mman.buffer_funcs_enabled || !adev->ib_pool_ready ||
> > - adev->asic_type != CHIP_NAVI10) {
> > + if (!adev->mman.buffer_funcs_enabled ||
> > + !adev->ib_pool_ready ||
> > + adev->in_gpu_reset) {
> > gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_GFXHUB, 0);
> > mutex_unlock(&adev->mman.gtt_window_lock);
> > return;
> > I think it should have been
> > adev->asic_type != CHIP_NAVI10 && adev->asic_type != CHIP_NAVI14 &&
> > adev->asic_type != CHIP_NAVI12
>
> My last status is that Navi12 is not supposed to need that workaround,
> that's why we checked Navi10 and later Navi14 separately.
>
> It's possible that I miss-read the !(adev->asic_type >= CHIP_NAVI10 &&
> adev->asic_type <= CHIP_NAVI12) check here, but either way that looks to
> complicated to me.
>
> We should rather mention every affected asic type separately here.
Good point. navi12 should be dropped from the check. How about the following?
I would rather test explicitly for Navi 10 and 14, cause we can't be sure if
there won't be another variant in the future.
Christian.
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 241a4e57cf4a..280bbd7ca8a0 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -292,7 +292,8 @@ static void gmc_v10_0_flush_gpu_tlb(struct
amdgpu_device *adev, uint32_t vmid,
if (!adev->mman.buffer_funcs_enabled ||
!adev->ib_pool_ready ||
- adev->in_gpu_reset) {
+ adev->in_gpu_reset ||
+ (adev->asic_type == CHIP_NAVI12)) {
gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_GFXHUB_0, 0);
mutex_unlock(&adev->mman.gtt_window_lock);
return;
Alex
>
> Regards,
> Christian.
>
> >
> > Alex
> >
> >> Christian.
> >>
> >>
> >> Am 26.09.19 um 14:26 schrieb Deucher, Alexander:
> >>
> >> Please add a patch description. With that fixed:
> >> Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
> >> ________________________________
> >> From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> on behalf of Yuan,
> >> Xiaojie <xiaojie.y...@amd.com>
> >> Sent: Thursday, September 26, 2019 4:09 AM
> >> To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>
> >> Cc: alexdeuc...@gmail.com <alexdeuc...@gmail.com>
> >> Subject: Re: [PATCH] drm/amdgpu/gmc10: apply the 'invalidation from sdma'
> >> workaround for navi
> >>
> >> Hi Alex,
> >>
> >> This patch is to add the asic_type check which is missing after drm-next
> >> branch rebase.
> >>
> >> BR,
> >> Xiaojie
> >> ________________________________
> >> From: Yuan, Xiaojie <xiaojie.y...@amd.com>
> >> Sent: Thursday, September 26, 2019 4:08 PM
> >> To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org>
> >> Cc: alexdeuc...@gmail.com <alexdeuc...@gmail.com>; Yuan, Xiaojie
> >> <xiaojie.y...@amd.com>
> >> Subject: [PATCH] drm/amdgpu/gmc10: apply the 'invalidation from sdma'
> >> workaround for navi
> >>
> >> Fixes: 767acabdac81 ("drm/amd/powerplay: add baco smu reset function for
> >> smu11")
> >> Signed-off-by: Xiaojie Yuan <xiaojie.y...@amd.com>
> >> ---
> >> drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c | 1 +
> >> 1 file changed, 1 insertion(+)
> >>
> >> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
> >> b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
> >> index cb3f61873baa..dc2e68e019eb 100644
> >> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
> >> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
> >> @@ -292,6 +292,7 @@ static void gmc_v10_0_flush_gpu_tlb(struct
> >> amdgpu_device *adev, uint32_t vmid,
> >>
> >> if (!adev->mman.buffer_funcs_enabled ||
> >> !adev->ib_pool_ready ||
> >> + !(adev->asic_type >= CHIP_NAVI10 && adev->asic_type <=
> >> CHIP_NAVI12) ||
> >> adev->in_gpu_reset) {
> >> gmc_v10_0_flush_vm_hub(adev, vmid, AMDGPU_GFXHUB_0, 0);
> >> mutex_unlock(&adev->mman.gtt_window_lock);
> >> --
> >> 2.20.1
> >>
> >>
> >> _______________________________________________
> >> amd-gfx mailing list
> >> amd-gfx@lists.freedesktop.org
> >> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
> >>
> >>
>
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