ping.
On Wed, Jun 11, 2014 at 11:56 PM, Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx> wrote:
> Move the DP training and video enable from the hotplug handler into
> a seperate function and call the same during dpms ON.
>
> With existing code, DP HPD should be generated just few ms before
> calling enable_irq in dp_poweron.
>
> This patch removes that stringent time constraint.
>
> Signed-off-by: Ajay Kumar <ajaykumar.rs@xxxxxxxxxxx>
> ---
> drivers/gpu/drm/exynos/exynos_dp_core.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c
> index 5e05dbc..96b4e82 100644
> --- a/drivers/gpu/drm/exynos/exynos_dp_core.c
> +++ b/drivers/gpu/drm/exynos/exynos_dp_core.c
> @@ -875,10 +875,18 @@ static irqreturn_t exynos_dp_irq_handler(int irq, void *arg)
> static void exynos_dp_hotplug(struct work_struct *work)
> {
> struct exynos_dp_device *dp;
> - int ret;
>
> dp = container_of(work, struct exynos_dp_device, hotplug_work);
>
> + if (dp->drm_dev)
> + drm_helper_hpd_irq_event(dp->drm_dev);
> +}
> +
> +static void exynos_dp_setup(void *in_ctx)
> +{
> + struct exynos_dp_device *dp = in_ctx;
> + int ret;
> +
> ret = exynos_dp_detect_hpd(dp);
> if (ret) {
> /* Cable has been disconnected, we're done */
> @@ -1059,6 +1067,7 @@ static void exynos_dp_poweron(struct exynos_dp_device *dp)
> exynos_dp_phy_init(dp);
> exynos_dp_init_dp(dp);
> enable_irq(dp->irq);
> + exynos_dp_setup(dp);
> }
>
> static void exynos_dp_poweroff(struct exynos_dp_device *dp)
> --
> 1.7.9.5
>
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