[PATCH] drm/amdgpu: Increase timout on emulator to tenfold instead of twice

[Zhang, Hawking]

[AMD Official Use Only - Internal Distribution Only]

Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>

Regards,
Hawking
-----Original Message-----
From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Yong Zhao
Sent: Wednesday, February 26, 2020 09:01
To: amd-gfx at lists.freedesktop.org
Cc: Zhao, Yong <Yong.Zhao at amd.com>
Subject: [PATCH] drm/amdgpu: Increase timout on emulator to tenfold instead of twice

Since emulators are slower, sometime some operations like flushing tlb through FM need more than twice the regular timout of 100ms, so increase the timeout to 1s on emulators.

Change-Id: Idf1ff571dd2fe69d3a236d916262ad65f86c44e8
Signed-off-by: Yong Zhao <Yong.Zhao at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 28a86752567e..8ef8a49b9255 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -2834,7 +2834,7 @@ int amdgpu_device_init(struct amdgpu_device *adev,
 
 	adev->usec_timeout = AMDGPU_MAX_USEC_TIMEOUT;
 	if (amdgpu_emu_mode == 1)
-		adev->usec_timeout *= 2;
+		adev->usec_timeout *= 10;
 	adev->gmc.gart_size = 512 * 1024 * 1024;
 	adev->accel_working = false;
 	adev->num_rings = 0;
--
2.17.1

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