Hi Gred.
On Fri, Mar 13, 2020 at 09:41:52AM +0100, Gerd Hoffmann wrote:
> Shutdown of firmware framebuffer has a bunch of problems. Because
> of this the framebuffer region might still be reserved even after
> drm_fb_helper_remove_conflicting_pci_framebuffers() returned.
>
> Don't consider pci_request_region() failure for the framebuffer
> region as fatal error to workaround this issue.
>
> Reported-by: Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Gerd Hoffmann <kraxel@xxxxxxxxxx>
> ---
> drivers/gpu/drm/bochs/bochs_hw.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/bochs/bochs_hw.c b/drivers/gpu/drm/bochs/bochs_hw.c
> index 952199cc0462..dce4672e3fc8 100644
> --- a/drivers/gpu/drm/bochs/bochs_hw.c
> +++ b/drivers/gpu/drm/bochs/bochs_hw.c
> @@ -157,10 +157,8 @@ int bochs_hw_init(struct drm_device *dev)
There is a drm_device avilable.
> size = min(size, mem);
> }
>
> - if (pci_request_region(pdev, 0, "bochs-drm") != 0) {
> - DRM_ERROR("Cannot request framebuffer\n");
> - return -EBUSY;
> - }
> + if (pci_request_region(pdev, 0, "bochs-drm") != 0)
> + DRM_WARN("Cannot request framebuffer, boot fb still active?\n");
So you could use drm_WARN() which is what is preferred these days.
With this fixed:
Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
Sam
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