Hi Daniel,
On Wednesday 21 Sep 2016 09:31:58 Daniel Vetter wrote:
> On Thu, Sep 08, 2016 at 05:44:26PM +0300, Laurent Pinchart wrote:
> > The driver is the last users of the drm_fb_get_bpp_depth() function. It
> > should ideally be converted to use struct drm_mode_fb_cmd2 instead of
> > the legacy struct drm_mode_fb_cmd internally, but that will require
> > broad changes across the code base. As a first step, replace
> > drm_fb_get_bpp_depth() with drm_format_info() in order to stop exporting
> > the function to drivers.
> >
> > The new DRM_ERROR() message comes from the vmw_create_dmabuf_proxy(),
> > vmw_kms_new_framebuffer_surface() and vmw_kms_new_framebuffer_dmabuf()
> > functions that currently print an error if the pixel format is
> > unsupported.
> >
> > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > Reviewed-by: Sinclair Yeh <syeh@xxxxxxxxxx>
> > ---
> >
> > drivers/gpu/drm/vmwgfx/vmwgfx_kms.c | 12 ++++++++++--
> > 1 file changed, 10 insertions(+), 2 deletions(-)
> >
> > Cc: VMware Graphics <linux-graphics-maintainer@xxxxxxxxxx>
> > Cc: Sinclair Yeh <syeh@xxxxxxxxxx>
> > Cc: Thomas Hellstrom <thellstrom@xxxxxxxxxx>
> >
> > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> > b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c index bf28ccc150df..c965514b82be
> > 100644
> > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
> > @@ -980,14 +980,22 @@ static struct drm_framebuffer
> > *vmw_kms_fb_create(struct drm_device *dev,>
> > struct vmw_dma_buffer *bo = NULL;
> > struct ttm_base_object *user_obj;
> > struct drm_mode_fb_cmd mode_cmd;
> >
> > + const struct drm_format_info *info;
> >
> > int ret;
> >
> > + info = drm_format_info(mode_cmd2->pixel_format);
> > + if (!info || !info->depth) {
> > + DRM_ERROR("Unsupported framebuffer format %s\n",
> > + drm_get_format_name(mode_cmd2->pixel_format));
> > + return ERR_PTR(-EINVAL);
> > + }
> > +
> >
> > mode_cmd.width = mode_cmd2->width;
> > mode_cmd.height = mode_cmd2->height;
> > mode_cmd.pitch = mode_cmd2->pitches[0];
> > mode_cmd.handle = mode_cmd2->handles[0];
> >
> > - drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
> > - &mode_cmd.bpp);
> > + mode_cmd.depth = info->depth;
> > + mode_cmd.bpp = info->cpp[0] * 8;
>
> I think this should use drm_helper_mode_fill_fb_struct instead.
I would do that if there was a struct drm_framebuffer to fill, but this piece
of code converts from struct drm_mode_fb_cmd2 to drm_mode_fb_cmd that is then
used all over the place internally. This should be fixed, but I think that's
out of scope for this patch series.
> > /**
> >
> > * This code should be conditioned on Screen Objects not being used.
--
Regards,
Laurent Pinchart
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