[PATCH 098/102] drm/amdgpu: enable all 8 sdma instances for Arcturus silicon

Alex Deucher alexdeucher at gmail.com
Tue Jul 16 01:27:37 UTC 2019


From: Le Ma <le.ma at amd.com>

The more 6 sdma instances work fine now with DF fix in vbios:
  * mmDF_PIE_AON_MiscClientsEnable(0x1c728)=0x3fe(DF_ALL_INSTANCE)
       [9:4]MmhubsEnable=3f (change from 0)

Signed-off-by: Le Ma <le.ma at amd.com>
Reviewed-by: Evan Quan <evan.quan at amd.com>
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index c68bbcf52602..166b1999dcbf 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1599,7 +1599,7 @@ static int sdma_v4_0_early_init(void *handle)
 	if (adev->asic_type == CHIP_RAVEN)
 		adev->sdma.num_instances = 1;
 	else if (adev->asic_type == CHIP_ARCTURUS)
-		adev->sdma.num_instances = 2;
+		adev->sdma.num_instances = 8;
 	else
 		adev->sdma.num_instances = 2;
 
-- 
2.20.1



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