[PATCH] drm/amdgpu/mes11: increase waiting time for engine ready

[Zhang, Yifan]

[AMD Official Use Only - General]

Reviewed-by: Yifan Zhang <yifan1.zhang at amd.com>

Best Regards,
Yifan

-----Original Message-----
From: Xiao, Jack <Jack.Xiao at amd.com>
Sent: Monday, April 29, 2024 5:10 PM
To: amd-gfx at lists.freedesktop.org; Deucher, Alexander <Alexander.Deucher at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>; Gao, Likun <Likun.Gao at amd.com>; Zhang, Yifan <Yifan1.Zhang at amd.com>; Huang, Tim <Tim.Huang at amd.com>
Cc: Xiao, Jack <Jack.Xiao at amd.com>
Subject: [PATCH] drm/amdgpu/mes11: increase waiting time for engine ready

mes schq engine require more waiting time for engine ready before packet submission.

Signed-off-by: Jack Xiao <Jack.Xiao at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
index 28a04f0f3541..d98f6d282ae7 100644
--- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c
@@ -696,7 +696,7 @@ static void mes_v11_0_enable(struct amdgpu_device *adev, bool enable)
                if (amdgpu_emu_mode)
                        msleep(100);
                else
-                       udelay(50);
+                       udelay(500);
        } else {
                data = RREG32_SOC15(GC, 0, regCP_MES_CNTL);
                data = REG_SET_FIELD(data, CP_MES_CNTL, MES_PIPE0_ACTIVE, 0);
--
2.41.0