On Tue, Apr 22, 2014 at 04:09:16AM +0530, Ajay Kumar wrote:
[...]
> diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
[...]
> @@ -1012,9 +1013,16 @@ static int exynos_dp_create_connector(struct exynos_drm_display *display,
> dp->encoder = encoder;
>
> /* Pre-empt DP connector creation if there's a bridge */
> - ret = exynos_drm_attach_lcd_bridge(dp->drm_dev, encoder);
> - if (ret)
> + ret = exynos_drm_attach_lcd_bridge(dp->drm_dev, encoder, dp->drm_panel);
> + if (ret) {
> + /*
> + * Also set "dp->drm_panel = NULL" so that we don't end up
> + * controlling panel power both in exynos_dp and bridge
> + * DPMS routines.
> + */
> + dp->drm_panel = NULL;
> return 0;
> + }
This kind of hack should set off an alarm that you're doing something
wrong. I'm not sure integration of bridges and panels has been thought
about or discussed a lot, but this doesn't look right to me at all.
Thierry
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