Re: [PATCH] drm/amdgpu: disable SDMA page queue on Vega20

["Koenig, Christian" <Christian.Koenig@xxxxxxx>]

Reviewed-by: Christian König <christian.koenig@xxxxxxx>

Am 22.10.18 um 05:23 schrieb Deucher, Alexander:

Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>

---

From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> on behalf of Evan Quan <evan.quan@xxxxxxx>
Sent: Sunday, October 21, 2018 10:39:38 PM
To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
Cc: Deucher, Alexander; Xu, Feifei; Kuehling, Felix; Quan, Evan; Koenig, Christian
Subject: [PATCH] drm/amdgpu: disable SDMA page queue on Vega20

 

Since we see driver loading failure on Vega20. Keep it
disabled until it's ready.

Change-Id: Ieededa061c529245a90e0a1b308098f62a49ca23
Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 3 ++-
 1 file changed, 2 insertions(+), 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 cd368acce688..d474bf2f680e 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -1474,7 +1474,8 @@ static int sdma_v4_0_early_init(void *handle)
                 adev->sdma.has_page_queue = false;
         } else {
                 adev->sdma.num_instances = 2;
-               adev->sdma.has_page_queue = true;
+               if (adev->asic_type != CHIP_VEGA20)
+                       adev->sdma.has_page_queue = true;
         }
 
         sdma_v4_0_set_ring_funcs(adev);
--
2.19.1

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