From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ajay Kumar Subject: [PATCH V4 01/10] drm/exynos: Move DP setup out of hotplug workqueue Date: Wed, 11 Jun 2014 23:56:59 +0530 Message-ID: <1402511228-18945-2-git-send-email-ajaykumar.rs@samsung.com> References: <1402511228-18945-1-git-send-email-ajaykumar.rs@samsung.com> Return-path: In-reply-to: <1402511228-18945-1-git-send-email-ajaykumar.rs@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: dri-devel@lists.freedesktop.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org Cc: inki.dae@samsung.com, seanpaul@google.com, ajaynumb@gmail.com, robdclark@gmail.com, daniel.vetter@ffwll.ch, thierry.reding@gmail.com, joshi@samsung.com, prashanth.g@samsung.com, marcheu@chromium.org, Ajay Kumar List-Id: devicetree@vger.kernel.org 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 --- 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