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gpu: nvgpu: Expose PCI device id info

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Expose PCI device id info for PCI devices.

Bug 1643487

Change-Id: Ib0e3295b33c2343d99553a5c48e3f67d419d207b
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/1214946
(cherry picked from commit a6e23a315a094f1df1f7db8e4307a10d06f28411)
Reviewed-on: http://git-master/r/1216336
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Sami Kiminki
2016-09-05 19:11:41 +03:00
committed by mobile promotions
parent f5224bde14
commit 7303dd33ef
4 changed files with 27 additions and 0 deletions
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7
drivers/gpu/nvgpu/gk20a/gk20a.c
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@@ -2014,6 +2014,13 @@ int gk20a_init_gpu_characteristics(struct gk20a *g)
gpu->local_video_memory_size = g->mm.vidmem.size;
gpu->pci_vendor_id = g->pci_vendor_id;
gpu->pci_device_id = g->pci_device_id;
gpu->pci_subsystem_vendor_id = g->pci_subsystem_vendor_id;
gpu->pci_subsystem_device_id = g->pci_subsystem_device_id;
gpu->pci_class = g->pci_class;
gpu->pci_revision = g->pci_revision;
return 0;
}

6
drivers/gpu/nvgpu/gk20a/gk20a.h
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@@ -908,6 +908,12 @@ struct gk20a {
struct debugfs_blob_wrapper bios_blob;
struct gk20a_ce_app ce_app;
/* PCI device identifier */
u16 pci_vendor_id, pci_device_id;
u16 pci_subsystem_vendor_id, pci_subsystem_device_id;
u16 pci_class;
u8 pci_revision;
};
static inline unsigned long gk20a_get_gr_idle_timeout(struct gk20a *g)

7
drivers/gpu/nvgpu/pci.c
View File

@@ -201,6 +201,13 @@ static int nvgpu_pci_probe(struct pci_dev *pdev,
return err;
pci_set_master(pdev);
g->pci_vendor_id = pdev->vendor;
g->pci_device_id = pdev->device;
g->pci_subsystem_vendor_id = pdev->subsystem_vendor;
g->pci_subsystem_device_id = pdev->subsystem_device;
g->pci_class = (pdev->class >> 8) & 0xFFFFU; // we only want base/sub
g->pci_revision = pdev->revision;
g->irq_stall = pdev->irq;
g->irq_nonstall = pdev->irq;
if (g->irq_stall < 0)

7
include/uapi/linux/nvgpu.h
View File

@@ -198,6 +198,13 @@ struct nvgpu_gpu_characteristics {
__u64 local_video_memory_size; /* in bytes, non-zero only for dGPUs */
/* These are meaningful only for PCI devices */
__u16 pci_vendor_id, pci_device_id;
__u16 pci_subsystem_vendor_id, pci_subsystem_device_id;
__u16 pci_class;
__u8 pci_revision;
__u8 reserved2[5];
/* Notes:
- This struct can be safely appended with new fields. However, always
keep the structure size multiple of 8 and make sure that the binary