[PATCH] drm/amdgpu:skip ASIC_INIT when posting card on vg20

[Xu, Feifei]

Tested on pro stack vega20.

-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Feifei Xu
Sent: Monday, December 10, 2018 12:46 PM
To: amd-gfx at lists.freedesktop.org
Cc: Xu, Feifei <Feifei.Xu at amd.com>
Subject: [PATCH] drm/amdgpu:skip ASIC_INIT when posting card on vg20

On vega20, the job of executing the ASIC_INIT table when posting card is moved to psp. Skip the atombios's ASIC_INIT on vega20 when posting card.

Change-Id: Id1d3c0a0d19296d5ed804de7edf5b09b8d38c0a5
Signed-off-by: Feifei Xu <Feifei.Xu at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index f2bda76c8e05..310d4eb0536b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2513,8 +2513,9 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 	/* detect if we are with an SRIOV vbios */
 	amdgpu_device_detect_sriov_bios(adev);
 
+    DRM_INFO("skip posting card using ASIC INIT table in vbios on 
+ vega20\n");
 	/* Post card if necessary */
-	if (amdgpu_device_need_post(adev)) {
+	if ((adev->asic_type != CHIP_VEGA20) && amdgpu_device_need_post(adev)) 
+{
 		if (!adev->bios) {
 			dev_err(adev->dev, "no vBIOS found\n");
 			r = -EINVAL;
--
2.17.1

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