Thanks very much. I get it now.
-Original Messages-
From: "Christian König"
Sent Time: 2021-06-04 15:40:08 (Friday)
To: "Chen Lei" , "Alex Deucher"
Cc: "amd-gfx list"
Subject: Re: [BUG] Data race when use PACKET3_DMA_DATA?
Hi,
I t
?
-Original Messages-
From: "Alex Deucher"
Sent Time: 2021-06-03 10:11:46 (Thursday)
To: "Chen Lei"
Cc: "amd-gfx list"
Subject: Re: Re: [BUG] Data race when use PACKET3_DMA_DATA?
On Wed, Jun 2, 2021 at 8:29 PM Chen Lei wrote:
Hi Alex. Thanks for your
after launching the OpenCL kernel. If so, is there
any way to sync the CP engine until the OpenCL kernel is complete?
-Original Messages-
From: "Alex Deucher"
Sent Time: 2021-06-02 21:37:51 (Wednesday)
To: "Chen Lei"
Cc: "amd-gfx list"
Subject
Hi, I noticed that there are two ways to do DMA for amd gpu: the SDMA copy
packet and the PM4 dma packet.
I had tested the PM4 dma packet: PACKET3_DMA_DATA. In most of time, it works.
But when I launch an OpenCL kernel followed by a host-to-gpu DMA packet, it
seems that the OpenCL kernel
Hi! I am not quite familiar with it, and I was wondering why this flag is
blocked. As the VM subsystem supports giant pages, it might be useful to add
this flag in amdgpu_gem_create_ioctl.
-原始邮件-
发件人: "Christian König"
发送时间: 2020-12-08 15:41:02 (星期二)
收件人:
Add the AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS flag in amdgpu_gem_create_ioctl.
Signed-off-by: Chen Lei
---
drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c
index 7e8265da9
