[AMD Official Use Only - General] Let’s create a new macro PSP_TMR_ALIGNMENT in case we need to support ASIC specific TMR alignment in future.
Regards, Hawking From: Wang, Yang(Kevin) <kevinyang.w...@amd.com> Date: Friday, September 9, 2022 at 11:14 To: amd-gfx@lists.freedesktop.org <amd-gfx@lists.freedesktop.org> Cc: Zhang, Hawking <hawking.zh...@amd.com>, Wang, Yang(Kevin) <kevinyang.w...@amd.com> Subject: [PATCH] drm/amdgpu: change the alignment size of TMR BO to 1M align TMR BO size TO tmr size is not necessary, modify the size to 1M to avoid re-create BO fail when serious VRAM fragmentation. Signed-off-by: Yang Wang <kevinyang.w...@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index cfcaf890a6a1..5585cda8d24b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -766,7 +766,7 @@ static int psp_tmr_init(struct psp_context *psp) } pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL; - ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, PSP_TMR_SIZE(psp->adev), + ret = amdgpu_bo_create_kernel(psp->adev, tmr_size, SZ_1M, AMDGPU_GEM_DOMAIN_VRAM, &psp->tmr_bo, &psp->tmr_mc_addr, pptr); -- 2.25.1