[PATCH] drm/amdgpu: disable GPU RAS bad page feature for specific ASIC

[Zhang, Hawking]

[AMD Official Use Only - AMD Internal Distribution Only]

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

Regards,
Hawking
-----Original Message-----
From: Zhou1, Tao <Tao.Zhou1 at amd.com>
Sent: Tuesday, September 10, 2024 16:38
To: amd-gfx at lists.freedesktop.org
Cc: Zhou1, Tao <Tao.Zhou1 at amd.com>; Zhang, Hawking <Hawking.Zhang at amd.com>
Subject: [PATCH] drm/amdgpu: disable GPU RAS bad page feature for specific ASIC

The feature is not applicable to specific app platform.

v2: update the disablement condition and commit description
v3: move the setting to amdgpu_ras_check_supported

Signed-off-by: Tao Zhou <tao.zhou1 at amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index dbfc41ddc3c7..ebe3e8f01fe2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -3483,6 +3483,11 @@ static void amdgpu_ras_check_supported(struct amdgpu_device *adev)

        /* aca is disabled by default */
        adev->aca.is_enabled = false;
+
+       /* bad page feature is not applicable to specific app platform */
+       if (adev->gmc.is_app_apu &&
+           amdgpu_ip_version(adev, UMC_HWIP, 0) == IP_VERSION(12, 0, 0))
+               amdgpu_bad_page_threshold = 0;
 }

 static void amdgpu_ras_counte_dw(struct work_struct *work)
--
2.34.1