[PATCH] drm/amdgpu: Fix ras mode2 reset failure in ras aca mode

[Zhang, Hawking]

[AMD Official Use Only - General]

Shall we move the check to the aca helper function?

Regards,
Hawking

-----Original Message-----
From: Chai, Thomas <YiPeng.Chai at amd.com>
Sent: Tuesday, April 23, 2024 11:14
To: amd-gfx at lists.freedesktop.org
Cc: Chai, Thomas <YiPeng.Chai at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>; Zhou1, Tao <Tao.Zhou1 at amd.com>; Li, Candice <Candice.Li at amd.com>; Wang, Yang(Kevin) <KevinYang.Wang at amd.com>; Yang, Stanley <Stanley.Yang at amd.com>; Chai, Thomas <YiPeng.Chai at amd.com>
Subject: [PATCH] drm/amdgpu: Fix ras mode2 reset failure in ras aca mode

Fix ras mode2 reset failure in ras aca mode for sdma v4_4_2 and gfx v9_4_3.

Signed-off-by: YiPeng Chai <YiPeng.Chai at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c  | 4 ++++  drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index 0e429b7ed036..c8bc34aafdd7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -4324,6 +4324,10 @@ static int gfx_v9_4_3_ras_late_init(struct amdgpu_device *adev, struct ras_commo
        if (r)
                return r;

+       /* in resume phase, no need to create aca fs node */
+       if (adev->in_suspend || amdgpu_in_reset(adev))
+               return 0;
+
        r = amdgpu_ras_bind_aca(adev, AMDGPU_RAS_BLOCK__GFX,
                                &gfx_v9_4_3_aca_info,
                                NULL);
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
index 7ea209b68154..77ae943745fb 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_4_2.c
@@ -2249,6 +2249,10 @@ static int sdma_v4_4_2_ras_late_init(struct amdgpu_device *adev, struct ras_comm
        if (r)
                return r;

+       /* in resume phase, no need to create aca fs node */
+       if (adev->in_suspend || amdgpu_in_reset(adev))
+               return 0;
+
        return amdgpu_ras_bind_aca(adev, AMDGPU_RAS_BLOCK__SDMA,
                                   &sdma_v4_4_2_aca_info, NULL);
 }
--
2.34.1