* [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed @ 2018-10-22 16:09 Rex Zhu [not found] ` <1540224561-4728-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org> 0 siblings, 1 reply; 10+ messages in thread From: Rex Zhu @ 2018-10-22 16:09 UTC (permalink / raw) To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, christian.koenig-5C7GfCeVMHo Cc: Rex Zhu When the va address located in the last pd entry, the alloc_pts will failed. caused by "drm/amdgpu: add amdgpu_vm_entries_mask v2" commit 72af632549b97ead9251bb155f08fefd1fb6f5c3. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 34 +++++++--------------------------- 1 file changed, 7 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 054633b..1a3af72 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -191,26 +191,6 @@ static unsigned amdgpu_vm_num_entries(struct amdgpu_device *adev, } /** - * amdgpu_vm_entries_mask - the mask to get the entry number of a PD/PT - * - * @adev: amdgpu_device pointer - * @level: VMPT level - * - * Returns: - * The mask to extract the entry number of a PD/PT from an address. - */ -static uint32_t amdgpu_vm_entries_mask(struct amdgpu_device *adev, - unsigned int level) -{ - if (level <= adev->vm_manager.root_level) - return 0xffffffff; - else if (level != AMDGPU_VM_PTB) - return 0x1ff; - else - return AMDGPU_VM_PTE_COUNT(adev) - 1; -} - -/** * amdgpu_vm_bo_size - returns the size of the BOs in bytes * * @adev: amdgpu_device pointer @@ -419,17 +399,17 @@ static void amdgpu_vm_pt_start(struct amdgpu_device *adev, static bool amdgpu_vm_pt_descendant(struct amdgpu_device *adev, struct amdgpu_vm_pt_cursor *cursor) { - unsigned mask, shift, idx; + unsigned num_entries, shift, idx; if (!cursor->entry->entries) return false; BUG_ON(!cursor->entry->base.bo); - mask = amdgpu_vm_entries_mask(adev, cursor->level); + num_entries = amdgpu_vm_num_entries(adev, cursor->level); shift = amdgpu_vm_level_shift(adev, cursor->level); ++cursor->level; - idx = (cursor->pfn >> shift) & mask; + idx = (cursor->pfn >> shift) % num_entries; cursor->parent = cursor->entry; cursor->entry = &cursor->entry->entries[idx]; return true; @@ -1618,7 +1598,7 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, amdgpu_vm_pt_start(adev, params->vm, start, &cursor); while (cursor.pfn < end) { struct amdgpu_bo *pt = cursor.entry->base.bo; - unsigned shift, parent_shift, mask; + unsigned shift, parent_shift, num_entries; uint64_t incr, entry_end, pe_start; if (!pt) @@ -1673,9 +1653,9 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, /* Looks good so far, calculate parameters for the update */ incr = AMDGPU_GPU_PAGE_SIZE << shift; - mask = amdgpu_vm_entries_mask(adev, cursor.level); - pe_start = ((cursor.pfn >> shift) & mask) * 8; - entry_end = (mask + 1) << shift; + num_entries = amdgpu_vm_num_entries(adev, cursor.level); + pe_start = ((cursor.pfn >> shift) & (num_entries - 1)) * 8; + entry_end = num_entries << shift; entry_end += cursor.pfn & ~(entry_end - 1); entry_end = min(entry_end, end); -- 1.9.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx ^ permalink raw reply related [flat|nested] 10+ messages in thread
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* Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed [not found] ` <1540224561-4728-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org> @ 2018-10-22 17:42 ` Deucher, Alexander 2018-10-23 2:02 ` Zhang, Jerry(Junwei) 1 sibling, 0 replies; 10+ messages in thread From: Deucher, Alexander @ 2018-10-22 17:42 UTC (permalink / raw) To: Zhu, Rex, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, Koenig, Christian [-- Attachment #1.1: Type: text/plain, Size: 4143 bytes --] This re-introduces a 64 division that is not handled correctly with the % operator. Alex ________________________________ From: amd-gfx <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> on behalf of Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org> Sent: Monday, October 22, 2018 12:09:21 PM To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org; Koenig, Christian Cc: Zhu, Rex Subject: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed When the va address located in the last pd entry, the alloc_pts will failed. caused by "drm/amdgpu: add amdgpu_vm_entries_mask v2" commit 72af632549b97ead9251bb155f08fefd1fb6f5c3. Signed-off-by: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 34 +++++++--------------------------- 1 file changed, 7 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 054633b..1a3af72 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -191,26 +191,6 @@ static unsigned amdgpu_vm_num_entries(struct amdgpu_device *adev, } /** - * amdgpu_vm_entries_mask - the mask to get the entry number of a PD/PT - * - * @adev: amdgpu_device pointer - * @level: VMPT level - * - * Returns: - * The mask to extract the entry number of a PD/PT from an address. - */ -static uint32_t amdgpu_vm_entries_mask(struct amdgpu_device *adev, - unsigned int level) -{ - if (level <= adev->vm_manager.root_level) - return 0xffffffff; - else if (level != AMDGPU_VM_PTB) - return 0x1ff; - else - return AMDGPU_VM_PTE_COUNT(adev) - 1; -} - -/** * amdgpu_vm_bo_size - returns the size of the BOs in bytes * * @adev: amdgpu_device pointer @@ -419,17 +399,17 @@ static void amdgpu_vm_pt_start(struct amdgpu_device *adev, static bool amdgpu_vm_pt_descendant(struct amdgpu_device *adev, struct amdgpu_vm_pt_cursor *cursor) { - unsigned mask, shift, idx; + unsigned num_entries, shift, idx; if (!cursor->entry->entries) return false; BUG_ON(!cursor->entry->base.bo); - mask = amdgpu_vm_entries_mask(adev, cursor->level); + num_entries = amdgpu_vm_num_entries(adev, cursor->level); shift = amdgpu_vm_level_shift(adev, cursor->level); ++cursor->level; - idx = (cursor->pfn >> shift) & mask; + idx = (cursor->pfn >> shift) % num_entries; cursor->parent = cursor->entry; cursor->entry = &cursor->entry->entries[idx]; return true; @@ -1618,7 +1598,7 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, amdgpu_vm_pt_start(adev, params->vm, start, &cursor); while (cursor.pfn < end) { struct amdgpu_bo *pt = cursor.entry->base.bo; - unsigned shift, parent_shift, mask; + unsigned shift, parent_shift, num_entries; uint64_t incr, entry_end, pe_start; if (!pt) @@ -1673,9 +1653,9 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, /* Looks good so far, calculate parameters for the update */ incr = AMDGPU_GPU_PAGE_SIZE << shift; - mask = amdgpu_vm_entries_mask(adev, cursor.level); - pe_start = ((cursor.pfn >> shift) & mask) * 8; - entry_end = (mask + 1) << shift; + num_entries = amdgpu_vm_num_entries(adev, cursor.level); + pe_start = ((cursor.pfn >> shift) & (num_entries - 1)) * 8; + entry_end = num_entries << shift; entry_end += cursor.pfn & ~(entry_end - 1); entry_end = min(entry_end, end); -- 1.9.1 _______________________________________________ amd-gfx mailing list amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx [-- Attachment #1.2: Type: text/html, Size: 8171 bytes --] [-- Attachment #2: Type: text/plain, Size: 154 bytes --] _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx ^ permalink raw reply related [flat|nested] 10+ messages in thread
* Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed [not found] ` <1540224561-4728-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org> 2018-10-22 17:42 ` Deucher, Alexander @ 2018-10-23 2:02 ` Zhang, Jerry(Junwei) [not found] ` <7eb4b4ef-c72a-9a58-2c99-0bfbe6109f69-5C7GfCeVMHo@public.gmane.org> 1 sibling, 1 reply; 10+ messages in thread From: Zhang, Jerry(Junwei) @ 2018-10-23 2:02 UTC (permalink / raw) To: Rex Zhu, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, christian.koenig-5C7GfCeVMHo On 10/23/2018 12:09 AM, Rex Zhu wrote: > When the va address located in the last pd entry, Do you mean the root PD? maybe we need roundup root PD in amdgpu_vm_entries_mask() like amdgpu_vm_num_entries(). BTW, looks amdgpu_vm_entries_mask() is going to replace the amdgpu_vm_num_entries() Jerry > the alloc_pts will failed. > caused by > "drm/amdgpu: add amdgpu_vm_entries_mask v2" > commit 72af632549b97ead9251bb155f08fefd1fb6f5c3. > > Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 34 +++++++--------------------------- > 1 file changed, 7 insertions(+), 27 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > index 054633b..1a3af72 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > @@ -191,26 +191,6 @@ static unsigned amdgpu_vm_num_entries(struct amdgpu_device *adev, > } > > /** > - * amdgpu_vm_entries_mask - the mask to get the entry number of a PD/PT > - * > - * @adev: amdgpu_device pointer > - * @level: VMPT level > - * > - * Returns: > - * The mask to extract the entry number of a PD/PT from an address. > - */ > -static uint32_t amdgpu_vm_entries_mask(struct amdgpu_device *adev, > - unsigned int level) > -{ > - if (level <= adev->vm_manager.root_level) > - return 0xffffffff; > - else if (level != AMDGPU_VM_PTB) > - return 0x1ff; > - else > - return AMDGPU_VM_PTE_COUNT(adev) - 1; > -} > - > -/** > * amdgpu_vm_bo_size - returns the size of the BOs in bytes > * > * @adev: amdgpu_device pointer > @@ -419,17 +399,17 @@ static void amdgpu_vm_pt_start(struct amdgpu_device *adev, > static bool amdgpu_vm_pt_descendant(struct amdgpu_device *adev, > struct amdgpu_vm_pt_cursor *cursor) > { > - unsigned mask, shift, idx; > + unsigned num_entries, shift, idx; > > if (!cursor->entry->entries) > return false; > > BUG_ON(!cursor->entry->base.bo); > - mask = amdgpu_vm_entries_mask(adev, cursor->level); > + num_entries = amdgpu_vm_num_entries(adev, cursor->level); > shift = amdgpu_vm_level_shift(adev, cursor->level); > > ++cursor->level; > - idx = (cursor->pfn >> shift) & mask; > + idx = (cursor->pfn >> shift) % num_entries; > cursor->parent = cursor->entry; > cursor->entry = &cursor->entry->entries[idx]; > return true; > @@ -1618,7 +1598,7 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, > amdgpu_vm_pt_start(adev, params->vm, start, &cursor); > while (cursor.pfn < end) { > struct amdgpu_bo *pt = cursor.entry->base.bo; > - unsigned shift, parent_shift, mask; > + unsigned shift, parent_shift, num_entries; > uint64_t incr, entry_end, pe_start; > > if (!pt) > @@ -1673,9 +1653,9 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, > > /* Looks good so far, calculate parameters for the update */ > incr = AMDGPU_GPU_PAGE_SIZE << shift; > - mask = amdgpu_vm_entries_mask(adev, cursor.level); > - pe_start = ((cursor.pfn >> shift) & mask) * 8; > - entry_end = (mask + 1) << shift; > + num_entries = amdgpu_vm_num_entries(adev, cursor.level); > + pe_start = ((cursor.pfn >> shift) & (num_entries - 1)) * 8; > + entry_end = num_entries << shift; > entry_end += cursor.pfn & ~(entry_end - 1); > entry_end = min(entry_end, end); > _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx ^ permalink raw reply [flat|nested] 10+ messages in thread
[parent not found: <7eb4b4ef-c72a-9a58-2c99-0bfbe6109f69-5C7GfCeVMHo@public.gmane.org>]
* Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed [not found] ` <7eb4b4ef-c72a-9a58-2c99-0bfbe6109f69-5C7GfCeVMHo@public.gmane.org> @ 2018-10-23 3:31 ` Zhu, Rex 0 siblings, 0 replies; 10+ messages in thread From: Zhu, Rex @ 2018-10-23 3:31 UTC (permalink / raw) To: Zhang, Jerry, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, Koenig, Christian [-- Attachment #1.1: Type: text/plain, Size: 4229 bytes --] Thanks Jerry. Good suggestion. Use the right mask for PD instand of hardcode. so don't need to revert the whole patch. Best Regards Rex ________________________________ From: Zhang, Jerry Sent: Tuesday, October 23, 2018 10:02 AM To: Zhu, Rex; amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org; Koenig, Christian Subject: Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed On 10/23/2018 12:09 AM, Rex Zhu wrote: > When the va address located in the last pd entry, Do you mean the root PD? maybe we need roundup root PD in amdgpu_vm_entries_mask() like amdgpu_vm_num_entries(). BTW, looks amdgpu_vm_entries_mask() is going to replace the amdgpu_vm_num_entries() Jerry > the alloc_pts will failed. > caused by > "drm/amdgpu: add amdgpu_vm_entries_mask v2" > commit 72af632549b97ead9251bb155f08fefd1fb6f5c3. > > Signed-off-by: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 34 +++++++--------------------------- > 1 file changed, 7 insertions(+), 27 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > index 054633b..1a3af72 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > @@ -191,26 +191,6 @@ static unsigned amdgpu_vm_num_entries(struct amdgpu_device *adev, > } > > /** > - * amdgpu_vm_entries_mask - the mask to get the entry number of a PD/PT > - * > - * @adev: amdgpu_device pointer > - * @level: VMPT level > - * > - * Returns: > - * The mask to extract the entry number of a PD/PT from an address. > - */ > -static uint32_t amdgpu_vm_entries_mask(struct amdgpu_device *adev, > - unsigned int level) > -{ > - if (level <= adev->vm_manager.root_level) > - return 0xffffffff; > - else if (level != AMDGPU_VM_PTB) > - return 0x1ff; > - else > - return AMDGPU_VM_PTE_COUNT(adev) - 1; > -} > - > -/** > * amdgpu_vm_bo_size - returns the size of the BOs in bytes > * > * @adev: amdgpu_device pointer > @@ -419,17 +399,17 @@ static void amdgpu_vm_pt_start(struct amdgpu_device *adev, > static bool amdgpu_vm_pt_descendant(struct amdgpu_device *adev, > struct amdgpu_vm_pt_cursor *cursor) > { > - unsigned mask, shift, idx; > + unsigned num_entries, shift, idx; > > if (!cursor->entry->entries) > return false; > > BUG_ON(!cursor->entry->base.bo); > - mask = amdgpu_vm_entries_mask(adev, cursor->level); > + num_entries = amdgpu_vm_num_entries(adev, cursor->level); > shift = amdgpu_vm_level_shift(adev, cursor->level); > > ++cursor->level; > - idx = (cursor->pfn >> shift) & mask; > + idx = (cursor->pfn >> shift) % num_entries; > cursor->parent = cursor->entry; > cursor->entry = &cursor->entry->entries[idx]; > return true; > @@ -1618,7 +1598,7 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, > amdgpu_vm_pt_start(adev, params->vm, start, &cursor); > while (cursor.pfn < end) { > struct amdgpu_bo *pt = cursor.entry->base.bo; > - unsigned shift, parent_shift, mask; > + unsigned shift, parent_shift, num_entries; > uint64_t incr, entry_end, pe_start; > > if (!pt) > @@ -1673,9 +1653,9 @@ static int amdgpu_vm_update_ptes(struct amdgpu_pte_update_params *params, > > /* Looks good so far, calculate parameters for the update */ > incr = AMDGPU_GPU_PAGE_SIZE << shift; > - mask = amdgpu_vm_entries_mask(adev, cursor.level); > - pe_start = ((cursor.pfn >> shift) & mask) * 8; > - entry_end = (mask + 1) << shift; > + num_entries = amdgpu_vm_num_entries(adev, cursor.level); > + pe_start = ((cursor.pfn >> shift) & (num_entries - 1)) * 8; > + entry_end = num_entries << shift; > entry_end += cursor.pfn & ~(entry_end - 1); > entry_end = min(entry_end, end); > [-- Attachment #1.2: Type: text/html, Size: 8470 bytes --] [-- Attachment #2: Type: text/plain, Size: 154 bytes --] _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx ^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed @ 2018-10-23 3:29 Rex Zhu [not found] ` <1540265370-23923-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org> 0 siblings, 1 reply; 10+ messages in thread From: Rex Zhu @ 2018-10-23 3:29 UTC (permalink / raw) To: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, jerry.zhang-5C7GfCeVMHo, alexander.deucher-5C7GfCeVMHo, christian.koenig-5C7GfCeVMHo Cc: Rex Zhu when the VA address located in the last PD entries, the alloc_pts will faile. Use the right PD mask instand of hardcode, suggested by jerry.zhang. Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 054633b..3939013 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -202,8 +202,11 @@ static unsigned amdgpu_vm_num_entries(struct amdgpu_device *adev, static uint32_t amdgpu_vm_entries_mask(struct amdgpu_device *adev, unsigned int level) { + unsigned shift = amdgpu_vm_level_shift(adev, + adev->vm_manager.root_level); + if (level <= adev->vm_manager.root_level) - return 0xffffffff; + return (round_up(adev->vm_manager.max_pfn, 1 << shift) >> shift) - 1; else if (level != AMDGPU_VM_PTB) return 0x1ff; else -- 1.9.1 _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx ^ permalink raw reply related [flat|nested] 10+ messages in thread
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* Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed [not found] ` <1540265370-23923-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org> @ 2018-10-23 5:12 ` Zhang, Jerry(Junwei) [not found] ` <7b50f2a1-791e-8eab-6777-e7fff572565c-5C7GfCeVMHo@public.gmane.org> 0 siblings, 1 reply; 10+ messages in thread From: Zhang, Jerry(Junwei) @ 2018-10-23 5:12 UTC (permalink / raw) To: Rex Zhu, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, alexander.deucher-5C7GfCeVMHo, christian.koenig-5C7GfCeVMHo On 10/23/2018 11:29 AM, Rex Zhu wrote: > when the VA address located in the last PD entries, > the alloc_pts will faile. > > Use the right PD mask instand of hardcode, suggested > by jerry.zhang. > > Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Thanks to verify that. Feel free to add Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Also like to get to know some background about these two functions from Christian. Perhaps we may make it more simple, e.g. merging them together. Regards, Jerry > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > index 054633b..3939013 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > @@ -202,8 +202,11 @@ static unsigned amdgpu_vm_num_entries(struct amdgpu_device *adev, > static uint32_t amdgpu_vm_entries_mask(struct amdgpu_device *adev, > unsigned int level) > { > + unsigned shift = amdgpu_vm_level_shift(adev, > + adev->vm_manager.root_level); > + > if (level <= adev->vm_manager.root_level) > - return 0xffffffff; > + return (round_up(adev->vm_manager.max_pfn, 1 << shift) >> shift) - 1; > else if (level != AMDGPU_VM_PTB) > return 0x1ff; > else _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx ^ permalink raw reply [flat|nested] 10+ messages in thread
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* Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed [not found] ` <7b50f2a1-791e-8eab-6777-e7fff572565c-5C7GfCeVMHo@public.gmane.org> @ 2018-10-23 5:29 ` Zhang, Jerry(Junwei) 2018-10-23 5:42 ` Zhu, Rex 1 sibling, 0 replies; 10+ messages in thread From: Zhang, Jerry(Junwei) @ 2018-10-23 5:29 UTC (permalink / raw) To: Rex Zhu, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, alexander.deucher-5C7GfCeVMHo, christian.koenig-5C7GfCeVMHo On 10/23/2018 01:12 PM, Zhang, Jerry(Junwei) wrote: > On 10/23/2018 11:29 AM, Rex Zhu wrote: >> when the VA address located in the last PD entries, >> the alloc_pts will faile. >> >> Use the right PD mask instand of hardcode, suggested >> by jerry.zhang. >> >> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> > > Thanks to verify that. > Feel free to add > Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> > > Also like to get to know some background about these two functions > from Christian. > Perhaps we may make it more simple, e.g. merging them together. If we really needs them all, we may simplify that like: ``` amdgpu_vm_entries_mask(struct amdgpu_device *adev, unsigned int level) { return amdgpu_vm_num_entries(adev, level) - 1; } ``` Jerry > > Regards, > Jerry > >> --- >> drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 ++++- >> 1 file changed, 4 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c >> b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c >> index 054633b..3939013 100644 >> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c >> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c >> @@ -202,8 +202,11 @@ static unsigned amdgpu_vm_num_entries(struct >> amdgpu_device *adev, >> static uint32_t amdgpu_vm_entries_mask(struct amdgpu_device *adev, >> unsigned int level) >> { >> + unsigned shift = amdgpu_vm_level_shift(adev, >> + adev->vm_manager.root_level); >> + >> if (level <= adev->vm_manager.root_level) >> - return 0xffffffff; >> + return (round_up(adev->vm_manager.max_pfn, 1 << shift) >> >> shift) - 1; >> else if (level != AMDGPU_VM_PTB) >> return 0x1ff; >> else > > _______________________________________________ > amd-gfx mailing list > amd-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx ^ permalink raw reply [flat|nested] 10+ messages in thread
* Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed [not found] ` <7b50f2a1-791e-8eab-6777-e7fff572565c-5C7GfCeVMHo@public.gmane.org> 2018-10-23 5:29 ` Zhang, Jerry(Junwei) @ 2018-10-23 5:42 ` Zhu, Rex [not found] ` <BYAPR12MB2775C0F7BCA52B2969C9D16EFBF50-ZGDeBxoHBPmJeBUhB162ZQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org> 1 sibling, 1 reply; 10+ messages in thread From: Zhu, Rex @ 2018-10-23 5:42 UTC (permalink / raw) To: Zhang, Jerry, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, Deucher, Alexander, Koenig, Christian [-- Attachment #1.1: Type: text/plain, Size: 3085 bytes --] No, if the vm size is small, there may only on root pd entry. we need to make sure the mask >= 0; Maybe this change revert Christian's commit: commit 72af632549b97ead9251bb155f08fefd1fb6f5c3 Author: Christian König <christian.koenig-5C7GfCeVMHo@public.gmane.org> Date: Sat Sep 15 10:02:13 2018 +0200 drm/amdgpu: add amdgpu_vm_entries_mask v2 We can't get the mask for the root directory from the number of entries. So add a new function to avoid that problem. Best Regards Rex ________________________________ From: amd-gfx <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> on behalf of Zhang, Jerry(Junwei) <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org> Sent: Tuesday, October 23, 2018 1:12 PM To: Zhu, Rex; amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org; Deucher, Alexander; Koenig, Christian Subject: Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed On 10/23/2018 11:29 AM, Rex Zhu wrote: > when the VA address located in the last PD entries, > the alloc_pts will faile. > > Use the right PD mask instand of hardcode, suggested > by jerry.zhang. > > Signed-off-by: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org> Thanks to verify that. Feel free to add Reviewed-by: Junwei Zhang <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org> Also like to get to know some background about these two functions from Christian. Perhaps we may make it more simple, e.g. merging them together. Regards, Jerry > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > index 054633b..3939013 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > @@ -202,8 +202,11 @@ static unsigned amdgpu_vm_num_entries(struct amdgpu_device *adev, > static uint32_t amdgpu_vm_entries_mask(struct amdgpu_device *adev, > unsigned int level) > { > + unsigned shift = amdgpu_vm_level_shift(adev, > + adev->vm_manager.root_level); > + > if (level <= adev->vm_manager.root_level) > - return 0xffffffff; > + return (round_up(adev->vm_manager.max_pfn, 1 << shift) >> shift) - 1; > else if (level != AMDGPU_VM_PTB) > return 0x1ff; > else _______________________________________________ amd-gfx mailing list amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx amd-gfx Info Page - freedesktop.org<https://lists.freedesktop.org/mailman/listinfo/amd-gfx> lists.freedesktop.org To see the collection of prior postings to the list, visit the amd-gfx Archives.. Using amd-gfx: To post a message to all the list members, send email to amd-gfx-PD4FTy7X32lNgt0PjOBp9xlNPtJONSTn@public.gmane.org You can subscribe to the list, or change your existing subscription, in the sections below. [-- Attachment #1.2: Type: text/html, Size: 7499 bytes --] [-- Attachment #2: Type: text/plain, Size: 154 bytes --] _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx ^ permalink raw reply [flat|nested] 10+ messages in thread
[parent not found: <BYAPR12MB2775C0F7BCA52B2969C9D16EFBF50-ZGDeBxoHBPmJeBUhB162ZQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>]
* Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed [not found] ` <BYAPR12MB2775C0F7BCA52B2969C9D16EFBF50-ZGDeBxoHBPmJeBUhB162ZQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org> @ 2018-10-23 9:01 ` Christian König [not found] ` <62aee584-d4b1-dd9b-234e-8ca7d7a23a29-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 0 siblings, 1 reply; 10+ messages in thread From: Christian König @ 2018-10-23 9:01 UTC (permalink / raw) To: Zhu, Rex, Zhang, Jerry, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, Deucher, Alexander, Koenig, Christian [-- Attachment #1.1: Type: text/plain, Size: 3737 bytes --] Hi guys, yeah the root PD doesn't necessarily have a power of two entries. But what exactly was the problem with the original code? Why does 0xffffffff doesn't work? The only possible explanation I can see is that somebody tried to use an address which is above max_pfn, or how did that trigger? Thanks, Christian. Am 23.10.18 um 07:42 schrieb Zhu, Rex: > > No, if the vm size is small, there may only on root pd entry. > > we need to make sure the mask >= 0; > > > Maybe this change revert Christian's commit: > > > commit 72af632549b97ead9251bb155f08fefd1fb6f5c3 > Author: Christian König <christian.koenig-5C7GfCeVMHo@public.gmane.org> > Date: Sat Sep 15 10:02:13 2018 +0200 > > drm/amdgpu: add amdgpu_vm_entries_mask v2 > > We can't get the mask for the root directory from the number of > entries. > > So add a new function to avoid that problem. > > > Best Regards > > Rex > > > > ------------------------------------------------------------------------ > *From:* amd-gfx <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> on behalf of > Zhang, Jerry(Junwei) <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org> > *Sent:* Tuesday, October 23, 2018 1:12 PM > *To:* Zhu, Rex; amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org; Deucher, Alexander; > Koenig, Christian > *Subject:* Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed > On 10/23/2018 11:29 AM, Rex Zhu wrote: > > when the VA address located in the last PD entries, > > the alloc_pts will faile. > > > > Use the right PD mask instand of hardcode, suggested > > by jerry.zhang. > > > > Signed-off-by: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org> > > Thanks to verify that. > Feel free to add > Reviewed-by: Junwei Zhang <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org> > > Also like to get to know some background about these two functions from > Christian. > Perhaps we may make it more simple, e.g. merging them together. > > Regards, > Jerry > > > --- > > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 ++++- > > 1 file changed, 4 insertions(+), 1 deletion(-) > > > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > > index 054633b..3939013 100644 > > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > > @@ -202,8 +202,11 @@ static unsigned amdgpu_vm_num_entries(struct > amdgpu_device *adev, > > static uint32_t amdgpu_vm_entries_mask(struct amdgpu_device *adev, > > unsigned int level) > > { > > + unsigned shift = amdgpu_vm_level_shift(adev, > > + adev->vm_manager.root_level); > > + > > if (level <= adev->vm_manager.root_level) > > - return 0xffffffff; > > + return (round_up(adev->vm_manager.max_pfn, 1 << shift) > >> shift) - 1; > > else if (level != AMDGPU_VM_PTB) > > return 0x1ff; > > else > > _______________________________________________ > amd-gfx mailing list > amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx > amd-gfx Info Page - freedesktop.org > <https://lists.freedesktop.org/mailman/listinfo/amd-gfx> > lists.freedesktop.org > To see the collection of prior postings to the list, visit the amd-gfx > Archives.. Using amd-gfx: To post a message to all the list members, > send email to amd-gfx-PD4FTy7X32lNgt0PjOBp9xlNPtJONSTn@public.gmane.org You can subscribe to the > list, or change your existing subscription, in the sections below. > > > > _______________________________________________ > amd-gfx mailing list > amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org > https://lists.freedesktop.org/mailman/listinfo/amd-gfx [-- Attachment #1.2: Type: text/html, Size: 12069 bytes --] [-- Attachment #2: Type: text/plain, Size: 154 bytes --] _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx ^ permalink raw reply [flat|nested] 10+ messages in thread
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* Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed [not found] ` <62aee584-d4b1-dd9b-234e-8ca7d7a23a29-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> @ 2018-10-23 9:08 ` Zhu, Rex 0 siblings, 0 replies; 10+ messages in thread From: Zhu, Rex @ 2018-10-23 9:08 UTC (permalink / raw) To: Zhang, Jerry, amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW, Deucher, Alexander, Koenig, Christian [-- Attachment #1.1: Type: text/plain, Size: 4660 bytes --] Hi Christian, You can reproduce this issue by allocate CSA buffer in baremetal and map them to reserved VM address. Please see the attached patch. Best Regards Rex ________________________________ From: Christian König <ckoenig.leichtzumerken-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sent: Tuesday, October 23, 2018 5:01 PM To: Zhu, Rex; Zhang, Jerry; amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org; Deucher, Alexander; Koenig, Christian Subject: Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed Hi guys, yeah the root PD doesn't necessarily have a power of two entries. But what exactly was the problem with the original code? Why does 0xffffffff doesn't work? The only possible explanation I can see is that somebody tried to use an address which is above max_pfn, or how did that trigger? Thanks, Christian. Am 23.10.18 um 07:42 schrieb Zhu, Rex: No, if the vm size is small, there may only on root pd entry. we need to make sure the mask >= 0; Maybe this change revert Christian's commit: commit 72af632549b97ead9251bb155f08fefd1fb6f5c3 Author: Christian König <christian.koenig-5C7GfCeVMHo@public.gmane.org><mailto:christian.koenig@amd.com> Date: Sat Sep 15 10:02:13 2018 +0200 drm/amdgpu: add amdgpu_vm_entries_mask v2 We can't get the mask for the root directory from the number of entries. So add a new function to avoid that problem. Best Regards Rex ________________________________ From: amd-gfx <amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org><mailto:amd-gfx-bounces@lists.freedesktop.org> on behalf of Zhang, Jerry(Junwei) <Jerry.Zhang@amd.com><mailto:Jerry.Zhang-5C7GfCeVMHo@public.gmane.org> Sent: Tuesday, October 23, 2018 1:12 PM To: Zhu, Rex; amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org<mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9w@public.gmane.orgp.org>; Deucher, Alexander; Koenig, Christian Subject: Re: [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed On 10/23/2018 11:29 AM, Rex Zhu wrote: > when the VA address located in the last PD entries, > the alloc_pts will faile. > > Use the right PD mask instand of hardcode, suggested > by jerry.zhang. > > Signed-off-by: Rex Zhu <Rex.Zhu-5C7GfCeVMHo@public.gmane.org><mailto:Rex.Zhu-5C7GfCeVMHo@public.gmane.org> Thanks to verify that. Feel free to add Reviewed-by: Junwei Zhang <Jerry.Zhang-5C7GfCeVMHo@public.gmane.org><mailto:Jerry.Zhang-5C7GfCeVMHo@public.gmane.org> Also like to get to know some background about these two functions from Christian. Perhaps we may make it more simple, e.g. merging them together. Regards, Jerry > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > index 054633b..3939013 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c > @@ -202,8 +202,11 @@ static unsigned amdgpu_vm_num_entries(struct amdgpu_device *adev, > static uint32_t amdgpu_vm_entries_mask(struct amdgpu_device *adev, > unsigned int level) > { > + unsigned shift = amdgpu_vm_level_shift(adev, > + adev->vm_manager.root_level); > + > if (level <= adev->vm_manager.root_level) > - return 0xffffffff; > + return (round_up(adev->vm_manager.max_pfn, 1 << shift) >> shift) - 1; > else if (level != AMDGPU_VM_PTB) > return 0x1ff; > else _______________________________________________ amd-gfx mailing list amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org<mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> https://lists.freedesktop.org/mailman/listinfo/amd-gfx amd-gfx Info Page - freedesktop.org<https://lists.freedesktop.org/mailman/listinfo/amd-gfx> lists.freedesktop.org To see the collection of prior postings to the list, visit the amd-gfx Archives.. Using amd-gfx: To post a message to all the list members, send email to amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org<mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>. You can subscribe to the list, or change your existing subscription, in the sections below. _______________________________________________ amd-gfx mailing list amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org<mailto:amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org> https://lists.freedesktop.org/mailman/listinfo/amd-gfx [-- Attachment #1.2: Type: text/html, Size: 10265 bytes --] [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #2: 0001-debug-create-and-map-csa-buffer.patch --] [-- Type: text/x-patch; name="0001-debug-create-and-map-csa-buffer.patch", Size: 2340 bytes --] From a68c029e2bc5f60fd26d1b0705fee2be80b6f604 Mon Sep 17 00:00:00 2001 From: Rex Zhu <Rex.Zhu@amd.com> Date: Tue, 23 Oct 2018 17:07:12 +0800 Subject: [PATCH] debug: create and map csa buffer --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++-- drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 450b0b7..e0d46b9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1658,7 +1658,7 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) adev->ip_blocks[i].status.hw = true; /* right after GMC hw init, we create CSA */ - if (amdgpu_sriov_vf(adev)) { +// if (amdgpu_sriov_vf(adev)) { r = amdgpu_allocate_static_csa(adev, &adev->virt.csa_obj, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_CSA_SIZE); @@ -1666,7 +1666,7 @@ static int amdgpu_device_ip_init(struct amdgpu_device *adev) DRM_ERROR("allocate CSA failed %d\n", r); return r; } - } +// } } } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c index f2ef9a1..b332262 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c @@ -977,13 +977,13 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) goto error_vm; } - if (amdgpu_sriov_vf(adev)) { +// if (amdgpu_sriov_vf(adev)) { uint64_t csa_addr = amdgpu_csa_vaddr(adev, 1) & AMDGPU_GMC_HOLE_MASK; r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj, &fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE); if (r) goto error_vm; - } +// } mutex_init(&fpriv->bo_list_lock); idr_init(&fpriv->bo_list_handles); @@ -1043,13 +1043,13 @@ void amdgpu_driver_postclose_kms(struct drm_device *dev, amdgpu_vm_bo_rmv(adev, fpriv->prt_va); - if (amdgpu_sriov_vf(adev)) { +// if (amdgpu_sriov_vf(adev)) { /* TODO: how to handle reserve failure */ BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true)); amdgpu_vm_bo_rmv(adev, fpriv->csa_va); fpriv->csa_va = NULL; amdgpu_bo_unreserve(adev->virt.csa_obj); - } +// } pasid = fpriv->vm.pasid; pd = amdgpu_bo_ref(fpriv->vm.root.base.bo); -- 1.9.1 [-- Attachment #3: Type: text/plain, Size: 154 bytes --] _______________________________________________ amd-gfx mailing list amd-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/amd-gfx ^ permalink raw reply related [flat|nested] 10+ messages in thread
end of thread, other threads:[~2018-10-23 9:08 UTC | newest] Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2018-10-22 16:09 [PATCH] drm/amdgpu: Fix amdgpu_vm_alloc_pts failed Rex Zhu [not found] ` <1540224561-4728-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org> 2018-10-22 17:42 ` Deucher, Alexander 2018-10-23 2:02 ` Zhang, Jerry(Junwei) [not found] ` <7eb4b4ef-c72a-9a58-2c99-0bfbe6109f69-5C7GfCeVMHo@public.gmane.org> 2018-10-23 3:31 ` Zhu, Rex 2018-10-23 3:29 Rex Zhu [not found] ` <1540265370-23923-1-git-send-email-Rex.Zhu-5C7GfCeVMHo@public.gmane.org> 2018-10-23 5:12 ` Zhang, Jerry(Junwei) [not found] ` <7b50f2a1-791e-8eab-6777-e7fff572565c-5C7GfCeVMHo@public.gmane.org> 2018-10-23 5:29 ` Zhang, Jerry(Junwei) 2018-10-23 5:42 ` Zhu, Rex [not found] ` <BYAPR12MB2775C0F7BCA52B2969C9D16EFBF50-ZGDeBxoHBPmJeBUhB162ZQdYzm3356FpvxpqHgZTriW3zl9H0oFU5g@public.gmane.org> 2018-10-23 9:01 ` Christian König [not found] ` <62aee584-d4b1-dd9b-234e-8ca7d7a23a29-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2018-10-23 9:08 ` Zhu, Rex
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