Re: [PATCH v5 5/5] drm/amdgpu: do not resume device in thaw for normal hibernation

2025-07-09 Thread Zhang, GuoQing (Sam)
On 2025/7/10 12:18, Lazar, Lijo wrote: On 7/10/2025 1:20 AM, Mario Limonciello wrote: On 7/9/2025 6:05 AM, Samuel Zhang wrote: For normal hibernation, GPU do not need to be resumed in thaw since it is not involved in writing the hibernation image. Skip resume in this case can reduce the hibe

Re: [PATCH v5 5/5] drm/amdgpu: do not resume device in thaw for normal hibernation

2025-07-09 Thread Lazar, Lijo
On 7/10/2025 1:20 AM, Mario Limonciello wrote: > On 7/9/2025 6:05 AM, Samuel Zhang wrote: >> For normal hibernation, GPU do not need to be resumed in thaw since it is >> not involved in writing the hibernation image. Skip resume in this case >> can reduce the hibernation time. >> >> On VM with 8

Re: [PATCH v5 5/5] drm/amdgpu: do not resume device in thaw for normal hibernation

2025-07-09 Thread Mario Limonciello
On 7/9/2025 6:05 AM, Samuel Zhang wrote: For normal hibernation, GPU do not need to be resumed in thaw since it is not involved in writing the hibernation image. Skip resume in this case can reduce the hibernation time. On VM with 8 * 192GB VRAM dGPUs, 98% VRAM usage and 1.7TB system memory, thi

[PATCH v5 5/5] drm/amdgpu: do not resume device in thaw for normal hibernation

2025-07-09 Thread Samuel Zhang
For normal hibernation, GPU do not need to be resumed in thaw since it is not involved in writing the hibernation image. Skip resume in this case can reduce the hibernation time. On VM with 8 * 192GB VRAM dGPUs, 98% VRAM usage and 1.7TB system memory, this can save 50 minutes. Signed-off-by: Samu