6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Lijo Lazar <lijo.lazar@xxxxxxx>
[ Upstream commit ce798376ef6764de51d8f4684ae525b55df295fa ]
Consider the 16M reserved region also before range calculation for GMC
9.4.3 SOCs.
Fixes: a433f1f59484 ("drm/amdgpu: Initialize memory ranges for GC 9.4.3")
Signed-off-by: Lijo Lazar <lijo.lazar@xxxxxxx>
Acked-by: Christian König <christian.koenig@xxxxxxx>
Reviewed-by: Le Ma <le.ma@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 8ace3f6210d37..6d2b9d260d92c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -1949,7 +1949,7 @@ gmc_v9_0_init_sw_mem_ranges(struct amdgpu_device *adev,
break;
}
- size = adev->gmc.real_vram_size >> AMDGPU_GPU_PAGE_SHIFT;
+ size = (adev->gmc.real_vram_size + SZ_16M) >> AMDGPU_GPU_PAGE_SHIFT;
size /= adev->gmc.num_mem_partitions;
for (i = 0; i < adev->gmc.num_mem_partitions; ++i) {
--
2.43.0
