[PATCH 05/13] drm/amdgpu/gmc9: populate xgmi info for vega20

shaoyunl Shaoyun.Liu at amd.com
Wed Sep 5 15:30:13 UTC 2018


From: Alex Deucher <alexander.deucher at amd.com>

Call the new gfxhub 1.1 function to get the xgmi info.

Acked-by: Huang Rui <ray.huang at amd.com>
Acked-by: Slava Abramov <slava.abramov at amd.com>
Reviewed-by :Shaoyun liu <Shaoyun.liu at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
index 0da89ba..b1c8489 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c
@@ -43,6 +43,7 @@
 
 #include "gfxhub_v1_0.h"
 #include "mmhub_v1_0.h"
+#include "gfxhub_v1_1.h"
 
 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
 
@@ -991,6 +992,12 @@ static int gmc_v9_0_sw_init(void *handle)
 	}
 	adev->need_swiotlb = drm_get_max_iomem() > ((u64)1 << dma_bits);
 
+	if (adev->asic_type == CHIP_VEGA20) {
+		r = gfxhub_v1_1_get_xgmi_info(adev);
+		if (r)
+			return r;
+	}
+
 	r = gmc_v9_0_mc_init(adev);
 	if (r)
 		return r;
-- 
2.7.4



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