On 3/26/2024 10:23 PM, Alex Deucher wrote:
On Tue, Mar 26, 2024 at 10:38 AM Sunil Khatri <sunil.kha...@amd.com> wrote:dump the bios binary in the devcoredump. Signed-off-by: Sunil Khatri <sunil.kha...@amd.com> --- .../gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c index 44c5da8aa9ce..f33963d777eb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dev_coredump.c @@ -132,6 +132,26 @@ amdgpu_devcoredump_read(char *buffer, loff_t offset, size_t count, drm_printf(&p, "Faulty page starting at address: 0x%016llx\n", fault_info->addr); drm_printf(&p, "Protection fault status register: 0x%x\n\n", fault_info->status); + /* Dump BIOS */ + if (coredump->adev->bios && coredump->adev->bios_size) { + int i = 0; + + drm_printf(&p, "BIOS Binary dump\n"); + drm_printf(&p, "Valid BIOS Size:%d bytes type:%s\n", + coredump->adev->bios_size, + coredump->adev->is_atom_fw ? + "Atom bios":"Non Atom Bios"); + + while (i < coredump->adev->bios_size) { + /* Printing 15 bytes in a line */ + if (i % 15 == 0) + drm_printf(&p, "\n"); + drm_printf(&p, "0x%x \t", coredump->adev->bios[i]); + i++; + } + drm_printf(&p, "\n"); + }I don't think it's too useful to dump this as text. I was hoping it could be a binary. I guess, we can just get this from debugfs if we need it if a binary is not possible.
Yes , this dumps in text format only and the binary is already available in debugfs. So discarding the patch.
Alex+ /* Add ring buffer information */ drm_printf(&p, "Ring buffer information\n"); for (int i = 0; i < coredump->adev->num_rings; i++) { -- 2.34.1
