Re: [PATCH] drm/hyperv : Removing the restruction of VRAM allocation with PCI bar size

From: Wei Liu
Date: Fri May 20 2022 - 12:05:08 EST


On Fri, May 20, 2022 at 12:20:40AM -0700, Saurabh Sengar wrote:
> There were two different approaches getting used in this driver to
> allocate vram:
> 1. VRAM allocation from PCI region for Gen1
> 2. VRAM alloaction from MMIO region for Gen2
> First approach limilts the vram to PCI BAR size, which is 64 MB in most
> legacy systems. This limits the maximum resolution to be restricted to
> 64 MB size, and with recent conclusion on fbdev issue its concluded to have
> similar allocation strategy for both Gen1 and Gen2. This patch unifies
> the Gen1 and Gen2 vram allocation strategy.
>
> Signed-off-by: Saurabh Sengar <ssengar@xxxxxxxxxxxxxxxxxxx>
> ---
> FBdev patch Ref :
> https://lore.kernel.org/lkml/20220428143746.sya775ro5zi3kgm3@liuwe-devbox-debian-v2/T/
>
[...]
> -static int hyperv_setup_gen2(struct hyperv_drm_device *hv,
> - struct hv_device *hdev)
> +static int hyperv_setup_gen(struct hyperv_drm_device *hv,
> + struct hv_device *hdev)

There is no need to have "_gen" suffix anymore.

I don't know much about the rest so cannot really make any meaningful
comment here.

Thanks,
Wei.