[PATCH 04/11] drm/amdgpu: store the mall size in the gmc structure

[Alex Deucher]

This will be useful in future patches.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h |  3 +++
 drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c  | 18 ++++++++++++++++++
 2 files changed, 21 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 032b0313f277..67e488cdc816 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -257,6 +257,9 @@ struct amdgpu_gmc {
 	struct amdgpu_bo		*pdb0_bo;
 	/* CPU kmapped address of pdb0*/
 	void				*ptr_pdb0;
+
+	/* MALL size */
+	u64 mall_size;
 };
 
 #define amdgpu_gmc_flush_gpu_tlb(adev, vmid, vmhub, type) ((adev)->gmc.gmc_funcs->flush_gpu_tlb((adev), (vmid), (vmhub), (type)))
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 20946bc7fc93..487c33937a87 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -883,6 +883,24 @@ static int gmc_v10_0_sw_init(void *handle)
 		adev->gmc.vram_vendor = vram_vendor;
 	}
 
+	switch (adev->ip_versions[GC_HWIP][0]) {
+	case IP_VERSION(10, 3, 0):
+		adev->gmc.mall_size = 128 * 1024 * 1024;
+		break;
+	case IP_VERSION(10, 3, 2):
+		adev->gmc.mall_size = 96 * 1024 * 1024;
+		break;
+	case IP_VERSION(10, 3, 4):
+		adev->gmc.mall_size = 32 * 1024 * 1024;
+		break;
+	case IP_VERSION(10, 3, 5):
+		adev->gmc.mall_size = 16 * 1024 * 1024;
+		break;
+	default:
+		adev->gmc.mall_size = 0;
+		break;
+	}
+
 	switch (adev->ip_versions[GC_HWIP][0]) {
 	case IP_VERSION(10, 1, 10):
 	case IP_VERSION(10, 1, 1):
-- 
2.35.1