From 9d65b1b4bcf3918164e17365eec169875eef8ee3 Mon Sep 17 00:00:00 2001 From: Shiwu Zhang Date: Tue, 23 May 2023 12:02:32 +0800 Subject: [PATCH] drm/amdgpu: add the accelerator PCIe class Add the accelerator PCIe class and match the class in amdgpu for 0x1002 devices of that class. From PCI spec: "PCI Code and ID Assignment, r1.9, sec 1, 1.19" Signed-off-by: Shiwu Zhang Acked-by: Lijo Lazar Acked-by: Bjorn Helgaas # pci_ids.h Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 2 +- drivers/gpu/drm/amd/include/amd_shared.h | 1 - include/linux/pci_ids.h | 3 +++ 4 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index b8a1e45..8e58d18 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -2044,7 +2044,7 @@ static const struct pci_device_id pciidlist[] = { .driver_data = CHIP_IP_DISCOVERY }, { PCI_DEVICE(0x1002, PCI_ANY_ID), - .class = AMD_ACCELERATOR_PROCESSING << 8, + .class = PCI_CLASS_ACCELERATOR_PROCESSING << 8, .class_mask = 0xffffff, .driver_data = CHIP_IP_DISCOVERY }, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 0f1ca01..25b4d7f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -57,7 +57,7 @@ void amdgpu_virt_init_setting(struct amdgpu_device *adev) /* enable virtual display */ if (adev->asic_type != CHIP_ALDEBARAN && adev->asic_type != CHIP_ARCTURUS && - ((adev->pdev->class >> 8) != AMD_ACCELERATOR_PROCESSING)) { + ((adev->pdev->class >> 8) != PCI_CLASS_ACCELERATOR_PROCESSING)) { if (adev->mode_info.num_crtc == 0) adev->mode_info.num_crtc = 1; adev->enable_virtual_display = true; diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index 57d95e2..f175e65 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -27,7 +27,6 @@ #define AMD_MAX_USEC_TIMEOUT 1000000 /* 1000 ms */ -#define AMD_ACCELERATOR_PROCESSING 0x1200 /* hardcoded pci class */ /* * Chip flags diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 45c3d62..0fbfbda 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -151,6 +151,9 @@ #define PCI_CLASS_SP_DPIO 0x1100 #define PCI_CLASS_SP_OTHER 0x1180 +#define PCI_BASE_CLASS_ACCELERATOR 0x12 +#define PCI_CLASS_ACCELERATOR_PROCESSING 0x1200 + #define PCI_CLASS_OTHERS 0xff /* Vendors and devices. Sort key: vendor first, device next. */ -- 2.7.4