[AMD Official Use Only - General] I assume the offset, as well as field, of MAILBOX_INT_CNTL register, and the mailbox irq source in soc21 adapters kept the same as the ones in navi1x.
With that confirmed, the change is Reviewed-by: Hawking Zhang <[email protected]> Regards, Hawking -----Original Message----- From: YuBiao Wang <[email protected]> Sent: Wednesday, November 30, 2022 17:35 To: [email protected] Cc: Andrey Grodzovsky <[email protected]>; Quan, Evan <[email protected]>; Chen, Horace <[email protected]>; Tuikov, Luben <[email protected]>; Koenig, Christian <[email protected]>; Deucher, Alexander <[email protected]>; Xiao, Jack <[email protected]>; Zhang, Hawking <[email protected]>; Liu, Monk <[email protected]>; Xu, Feifei <[email protected]>; Wang, Yang(Kevin) <[email protected]>; Wang, YuBiao <[email protected]> Subject: [PATCH] drm/amdgpu: Add nv mailbox irq in soc21 Under virtualization guest needs to receive notification from host to perform reset in some cases. Add nv mailbox irq in soc21. Signed-off-by: YuBiao Wang <[email protected]> --- drivers/gpu/drm/amd/amdgpu/soc21.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/soc21.c b/drivers/gpu/drm/amd/amdgpu/soc21.c index c559f9bfc36d..41b94c824717 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc21.c +++ b/drivers/gpu/drm/amd/amdgpu/soc21.c @@ -43,6 +43,7 @@ #include "soc15.h" #include "soc15_common.h" #include "soc21.h" +#include "mxgpu_nv.h" static const struct amd_ip_funcs soc21_common_ip_funcs; @@ -659,19 +660,31 @@ static int soc21_common_early_init(void *handle) return -EINVAL; } - if (amdgpu_sriov_vf(adev)) + if (amdgpu_sriov_vf(adev)) { amdgpu_virt_init_setting(adev); + xgpu_nv_mailbox_set_irq_funcs(adev); + } return 0; } static int soc21_common_late_init(void *handle) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (amdgpu_sriov_vf(adev)) + xgpu_nv_mailbox_get_irq(adev); + return 0; } static int soc21_common_sw_init(void *handle) { + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + if (amdgpu_sriov_vf(adev)) + xgpu_nv_mailbox_add_irq_id(adev); + return 0; } @@ -709,6 +722,9 @@ static int soc21_common_hw_fini(void *handle) /* disable the doorbell aperture */ soc21_enable_doorbell_aperture(adev, false); + if (amdgpu_sriov_vf(adev)) + xgpu_nv_mailbox_put_irq(adev); + return 0; } -- 2.25.1
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