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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/umc_v8_10.h')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/umc_v8_10.h3
1 files changed, 2 insertions, 1 deletions
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