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| author | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-01 00:55:56 -0400 |
|---|---|---|
| committer | Arthur Hanson Rasmusson <arthur@vgpu.io> | 2026-10-01 00:55:56 -0400 |
| commit | 8065d67e9a7e2f22490406755e4df429b89136d0 (patch) | |
| tree | f4dabec40fb12c24d44ef1f0db6f37a1df12e9c2 /kernel/gsp_phys_boot.h | |
| parent | ae25a490c8075fedcf101551d00fa3c565e2a815 (diff) | |
| download | open-iov-8065d67e9a7e2f22490406755e4df429b89136d0.tar.gz open-iov-8065d67e9a7e2f22490406755e4df429b89136d0.zip | |
gsp-phys: decode the real FB size for the boot layout (stage 3b-prime)
Diffstat (limited to 'kernel/gsp_phys_boot.h')
| -rw-r--r-- | kernel/gsp_phys_boot.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/gsp_phys_boot.h b/kernel/gsp_phys_boot.h index 8ab203a..3f6ad6e 100644 --- a/kernel/gsp_phys_boot.h +++ b/kernel/gsp_phys_boot.h @@ -8,8 +8,10 @@ /* * Real-GSP boot bring-up stage 3b: boot-argument DMA memory and the computed * WPR/FB layout. Allocated and filled by gsp_phys_boot.c while the module owns - * the physical GPU. Stage 3b writes no device registers; the WPR metadata page - * is filled in host memory only, ready for the later FWSEC/booter stages. + * the physical GPU. Stage 3b writes no device registers; the only device + * access is a read-only sample of the video-memory-size register in BAR0, and + * the WPR metadata page is filled in host memory only, ready for the later + * FWSEC/booter stages. */ struct gsp_phys_boot { bool initialized; @@ -46,7 +48,8 @@ struct gsp_phys_boot { bool gsp_phys_layout_enabled(void); int gsp_phys_boot_layout_init(struct gsp_phys_boot *boot, struct pci_dev *pdev, - u64 fw_image_size, resource_size_t usable_fb_size); + void __iomem *bar0, u64 fw_image_size, + resource_size_t bar1_len); void gsp_phys_boot_layout_fini(struct gsp_phys_boot *boot, struct pci_dev *pdev); #endif /* GSP_PHYS_BOOT_H */ |