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authorCandice Li <candice.li@amd.com>2023-06-10 04:15:14 +0200
committerAlex Deucher <alexander.deucher@amd.com>2023-06-15 17:06:59 +0200
commitbcd9a5f8b9e2a705bc30e9b27ebf7b8a8625325f (patch)
tree8e2cb232651bf3bdc99d4d178bf852aca51c090c
parentdrm/amd/pm: Align eccinfo table structure with smu v13_0_0 interface (diff)
downloadlinux-bcd9a5f8b9e2a705bc30e9b27ebf7b8a8625325f.tar.xz
linux-bcd9a5f8b9e2a705bc30e9b27ebf7b8a8625325f.zip
drm/amdgpu: Update total channel number for umc v8_10
Update total channel number for umc v8_10. Signed-off-by: Candice Li <candice.li@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c1
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h2
-rw-r--r--drivers/gpu/drm/amd/amdgpu/umc_v8_10.h3
3 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
index 859882109f55..16cf7b199457 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_discovery.c
@@ -1515,6 +1515,7 @@ static int amdgpu_discovery_get_mall_info(struct amdgpu_device *adev)
mall_size += mall_size_per_umc;
}
adev->gmc.mall_size = mall_size;
+ adev->gmc.m_half_use = half_use;
break;
default:
dev_err(adev->dev,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
index 6794edd1d2d2..56d73fade568 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h
@@ -301,6 +301,8 @@ struct amdgpu_gmc {
/* MALL size */
u64 mall_size;
+ uint32_t m_half_use;
+
/* number of UMC instances */
int num_umc;
/* mode2 save restore */
diff --git a/drivers/gpu/drm/amd/amdgpu/umc_v8_10.h b/drivers/gpu/drm/amd/amdgpu/umc_v8_10.h
index c6dfd433fec7..dc12e0af5451 100644
--- a/drivers/gpu/drm/amd/amdgpu/umc_v8_10.h
+++ b/drivers/gpu/drm/amd/amdgpu/umc_v8_10.h
@@ -33,7 +33,8 @@
/* Total channel instances for all available umc nodes */
#define UMC_V8_10_TOTAL_CHANNEL_NUM(adev) \
- (UMC_V8_10_CHANNEL_INSTANCE_NUM * UMC_V8_10_UMC_INSTANCE_NUM * (adev)->gmc.num_umc)
+ (UMC_V8_10_CHANNEL_INSTANCE_NUM * UMC_V8_10_UMC_INSTANCE_NUM * \
+ (adev)->gmc.num_umc - hweight32((adev)->gmc.m_half_use) * 2)
/* UMC regiser per channel offset */
#define UMC_V8_10_PER_CHANNEL_OFFSET 0x400