[PATCH 5.19 178/207] drm/amdgpu: change the alignment size of TMR BO to 1M

Greg Kroah-Hartman
2022-09-26T11:57:34Z

From: Yang Wang <KevinYang.Wang@amd.com>

[ Upstream commit 36de13fdb04abef3ee03ade5129ab146de63983b ]

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.

v2:
add new macro PSP_TMR_ALIGNMENT for TMR BO alignment size

Signed-off-by: Yang Wang <KevinYang.Wang@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 1 +
2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
index b19bf0c3f373..79ce654bd3da 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c
@@ -748,7 +748,7 @@ 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, PSP_TMR_ALIGNMENT,
AMDGPU_GEM_DOMAIN_VRAM,
&psp->tmr_bo, &psp->tmr_mc_addr, pptr);

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
index e431f4994931..cd366c7f311f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h
@@ -36,6 +36,7 @@
#define PSP_CMD_BUFFER_SIZE 0x1000
#define PSP_1_MEG 0x100000
#define PSP_TMR_SIZE(adev) ((adev)->asic_type == CHIP_ALDEBARAN ? 0x800000 : 0x400000)
+#define PSP_TMR_ALIGNMENT 0x100000
#define PSP_FW_NAME_LEN 0x24

enum psp_shared_mem_size {
--
2.35.1