On 05/03, Simon Ser wrote: > Let the user know what went wrong in drm_gem_fb_init_with_funcs > failure paths. > > v2: use proper format specifier for size_t (kernel test robot) > > Signed-off-by: Simon Ser <[email protected]> > Reviewed-by: Michel Dänzer <[email protected]> > Cc: Daniel Vetter <[email protected]> > Cc: Sam Ravnborg <[email protected]> > Cc: Noralf Trønnes <[email protected]> > Cc: Andrzej Pietrasiewicz <[email protected]> > --- > drivers/gpu/drm/drm_gem_framebuffer_helper.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c > b/drivers/gpu/drm/drm_gem_framebuffer_helper.c > index 109d11fb4cd4..aeb808a0ba54 100644 > --- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c > +++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c > @@ -155,8 +155,10 @@ int drm_gem_fb_init_with_funcs(struct drm_device *dev, > int ret, i; > > info = drm_get_format_info(dev, mode_cmd); > - if (!info) > + if (!info) { > + drm_dbg_kms(dev, "Failed to get FB format info\n");
Just for curiosity,
Why not say something like "FB format is not supported" by the driver?
I'm asking because the kernel-doc for drm_get_format_info says "NULL if
the format is unsupported".
Thanks
Siqueira
> return -EINVAL;
> + }
>
> for (i = 0; i < info->num_planes; i++) {
> unsigned int width = mode_cmd->width / (i ? info->hsub : 1);
> @@ -175,6 +177,9 @@ int drm_gem_fb_init_with_funcs(struct drm_device *dev,
> + mode_cmd->offsets[i];
>
> if (objs[i]->size < min_size) {
> + drm_dbg_kms(dev,
> + "GEM object size (%zu) smaller than minimum
> size (%u) for plane %d\n",
> + objs[i]->size, min_size, i);
> drm_gem_object_put(objs[i]);
> ret = -EINVAL;
> goto err_gem_object_put;
> --
> 2.31.1
>
>
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Rodrigo Siqueira
https://siqueira.tech
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