[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: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Tao Zhou
Sent: Tuesday, September 10, 2024 11:59
To: amd-gfx at lists.freedesktop.org
Cc: Zhou1, Tao <Tao.Zhou1 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

Signed-off-by: Tao Zhou <tao.zhou1 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..08efc9121adc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -2055,6 +2055,11 @@ static int amdgpu_ras_fs_init(struct amdgpu_device *adev)
        con->event_state_attr = dev_attr_event_state;
        sysfs_attr_init(attrs[3]);

+       /* 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;
+
        if (amdgpu_bad_page_threshold != 0) {
                /* add bad_page_features entry */
                bin_attr_gpu_vram_bad_pages.private = NULL;
--
2.34.1