On Wed, Sep 18, 2019 at 10:03 AM Michel Dänzer <michel@xxxxxxxxxxx> wrote:
On 2019-09-18 1:41 a.m., Marek Olšák wrote:
> drmVersion::name = amdgpu, radeon, intel, etc.
> drmVersion::desc = vega10, vega12, vega20, ...
>
> The common Mesa code will use name and desc to select the driver.
Like the Xorg modesetting driver, that code doesn't need this kernel
functionality or new PCI IDs. It can just select the current driver for
all devices which aren't supported by older drivers (which is a fixed
set at this point).
> The AMD-specific Mesa code will use desc to identify the chip.
Doesn't libdrm_amdgpu's struct amdgpu_gpu_info::family_id provide the
same information?
Not for the common code, though I guess common Mesa code could use the INFO ioctl. Is that what you mean?
Marek
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