What about a system with multiple GPUs?
Hybrid graphics?
Headless systems?
Regards
//Ernst
Den tors 22 dec. 2022 kl 19:30 skrev Mario Limonciello <
mario.limoncie...@amd.com>:
> If the probe sequence fails then the user is stuck with a frozen
> screen and can only really recover via SSH or by rebooting and
> applying nomodeset to the kernel command line.
>
> This is particularly problematic as newer GPUs are introduced because
> distributions may take some time to land newer GPU firmware.
>
> So when probe fails, re-create the system framebuffer so that the
> user at least has basic graphics support.
>
> Signed-off-by: Mario Limonciello
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> index bf2d50c8c92a..8961c62ab29b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> @@ -40,6 +40,7 @@
> #include
> #include
> #include
> +#include
>
> #include "amdgpu.h"
> #include "amdgpu_irq.h"
> @@ -2187,6 +2188,7 @@ static int amdgpu_pci_probe(struct pci_dev *pdev,
>
> err_pci:
> pci_disable_device(pdev);
> + sysfb_enable();
> return ret;
> }
>
> --
> 2.34.1
>
>
