Hi,
On 2018-10-26 12:13, Andrzej Hajda wrote:
> Since connectors can be created dynamically, fbdev should be initialized
> even if there are no connectors at the moment. Otherwise fbdev will
> not be created even after connector's appearance.
> The patch fixes lack of fbdev on rinato and trats boards.
>
> Fixes: 6afb7721e2a0 ("drm/exynos: move connector creation to attach callback")
> Reported-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> Signed-off-by: Andrzej Hajda <a.hajda@xxxxxxxxxxx>
Together with v2 of "drm/exynos/dsi: register connector if it is created
after
drm bind" patch this finally restores /dev/fb0 emulation on Rinato and Trats
boards.
Tested-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/exynos/exynos_drm_fbdev.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> index 918dd2c82209..01d182289efa 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fbdev.c
> @@ -192,7 +192,7 @@ int exynos_drm_fbdev_init(struct drm_device *dev)
> struct drm_fb_helper *helper;
> int ret;
>
> - if (!dev->mode_config.num_crtc || !dev->mode_config.num_connector)
> + if (!dev->mode_config.num_crtc)
> return 0;
>
> fbdev = kzalloc(sizeof(*fbdev), GFP_KERNEL);
Best regards
--
Marek Szyprowski, PhD
Samsung R&D Institute Poland
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