[PATCH 2/2] drm/amdgpu: fix incorrect vmhub index

[Zhang, Hawking]

[AMD Official Use Only - General]

Please apply the same change to gmc_v10_0_process_interrupt.

Might be better to check the client_id == VMC to decide vmhub.

Regards,
Hawking

-----Original Message-----
From: Chai, Thomas <YiPeng.Chai at amd.com>
Sent: Thursday, July 20, 2023 13:42
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>; Yang, Stanley <Stanley.Yang at amd.com>; Chai, Thomas <YiPeng.Chai at amd.com>
Subject: [PATCH 2/2] drm/amdgpu: fix incorrect vmhub index

Fix incorrect vmhub index.

Signed-off-by: YiPeng Chai <YiPeng.Chai at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
index d04fc0f19a29..c0b588e5d6aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c
@@ -97,10 +97,13 @@ static int gmc_v11_0_process_interrupt(struct amdgpu_device *adev,
                                       struct amdgpu_irq_src *source,
                                       struct amdgpu_iv_entry *entry)  {
-       struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_src];
+       struct amdgpu_vmhub *hub;
        uint32_t status = 0;
        u64 addr;

+       hub = entry->vmid_src ?
+         &adev->vmhub[AMDGPU_MMHUB0(0)] : &adev->vmhub[AMDGPU_GFXHUB(0)];
+
        addr = (u64)entry->src_data[0] << 12;
        addr |= ((u64)entry->src_data[1] & 0xf) << 44;

--
2.34.1