On Tue, Aug 01, 2017 at 10:26:41AM -0500, David Lechner wrote:
> The fbdev subsystem has a place for physical dimensions (width and height
> in mm) that is readable by userspace. Since DRM also knows these
> dimensions, pass this information to the fbdev device.
>
> Signed-off-by: David Lechner <david@xxxxxxxxxxxxxx>
Still in the wrong function. Also please add some notation about what you
changed when resubmitting a patch (it took me a while to remember that I
replied to you already). That makes patch reviewing more efficient.
Thanks, Daniel
> ---
> drivers/gpu/drm/drm_fb_helper.c | 13 +++++++++++++
> 1 file changed, 13 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c
> index 574af01..07a6621 100644
> --- a/drivers/gpu/drm/drm_fb_helper.c
> +++ b/drivers/gpu/drm/drm_fb_helper.c
> @@ -1759,6 +1759,7 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helpe
> uint32_t fb_width, uint32_t fb_height)
> {
> struct drm_framebuffer *fb = fb_helper->fb;
> + int i;
>
> info->pseudo_palette = fb_helper->pseudo_palette;
> info->var.xres_virtual = fb->width;
> @@ -1771,6 +1772,18 @@ void drm_fb_helper_fill_var(struct fb_info *info, struct drm_fb_helper *fb_helpe
> info->var.height = -1;
> info->var.width = -1;
>
> + drm_fb_helper_for_each_connector(fb_helper, i) {
> + struct drm_connector *connector =
> + fb_helper->connector_info[i]->connector;
> +
> + /* use the first connected connector for the physical dimensions */
> + if (connector->status == connector_status_connected) {
> + info->var.height = connector->display_info.width_mm;
> + info->var.width = connector->display_info.height_mm;
> + break;
> + }
> + }
> +
> switch (fb->format->depth) {
> case 8:
> info->var.red.offset = 0;
> --
> 2.7.4
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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