> -----Original Message----- > From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf > Of Tom St Denis > Sent: Wednesday, September 13, 2017 12:38 PM > To: amd-gfx at lists.freedesktop.org > Cc: StDenis, Tom > Subject: [PATCH] drm/amd/amdgpu: Change vram debugfs to NO_KIQ for > VM environments > > Signed-off-by: Tom St Denis <tom.stdenis at amd.com> Reviewed-by: Alex Deucher <alexander.deucher at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 12 ++++++------ > 1 file changed, 6 insertions(+), 6 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c > index 0d4c2c5a7948..2180ed3eae3b 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c > @@ -1696,9 +1696,9 @@ static ssize_t amdgpu_ttm_vram_read(struct file > *f, char __user *buf, > return result; > > spin_lock_irqsave(&adev->mmio_idx_lock, flags); > - WREG32(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000); > - WREG32(mmMM_INDEX_HI, *pos >> 31); > - value = RREG32(mmMM_DATA); > + WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | > 0x80000000); > + WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31); > + value = RREG32_NO_KIQ(mmMM_DATA); > spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); > > r = put_user(value, (uint32_t *)buf); > @@ -1739,9 +1739,9 @@ static ssize_t amdgpu_ttm_vram_write(struct file > *f, const char __user *buf, > return r; > > spin_lock_irqsave(&adev->mmio_idx_lock, flags); > - WREG32(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000); > - WREG32(mmMM_INDEX_HI, *pos >> 31); > - WREG32(mmMM_DATA, value); > + WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | > 0x80000000); > + WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31); > + WREG32_NO_KIQ(mmMM_DATA, value); > spin_unlock_irqrestore(&adev->mmio_idx_lock, flags); > > result += 4; > -- > 2.12.0 > > _______________________________________________ > amd-gfx mailing list > amd-gfx at lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx
