From 4deabfa00049465cc1e4ed6fe0b5082bcff98d57 Mon Sep 17 00:00:00 2001 From: Ajay Kumar Date: Thu, 31 Jul 2014 23:12:13 +0530 Subject: [PATCH] drm/exynos: Move DP setup into commit() Add commit callback for exynos_dp, and move the DP link training, video configuration code from the hotplug handler into commit(). Signed-off-by: Sean Paul Signed-off-by: Ajay Kumar Acked-by: Inki Dae Signed-off-by: Thierry Reding --- drivers/gpu/drm/exynos/exynos_dp_core.c | 24 +++++++++++++++++++----- 1 file changed, 19 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_dp_core.c b/drivers/gpu/drm/exynos/exynos_dp_core.c index a8ffc8c..c33a9d0 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_commit(struct exynos_drm_display *display) +{ + struct exynos_dp_device *dp = display->ctx; + int ret; + ret = exynos_dp_detect_hpd(dp); if (ret) { /* Cable has been disconnected, we're done */ @@ -1050,8 +1058,10 @@ static void exynos_dp_phy_exit(struct exynos_dp_device *dp) } } -static void exynos_dp_poweron(struct exynos_dp_device *dp) +static void exynos_dp_poweron(struct exynos_drm_display *display) { + struct exynos_dp_device *dp = display->ctx; + if (dp->dpms_mode == DRM_MODE_DPMS_ON) return; @@ -1059,10 +1069,13 @@ 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_commit(display); } -static void exynos_dp_poweroff(struct exynos_dp_device *dp) +static void exynos_dp_poweroff(struct exynos_drm_display *display) { + struct exynos_dp_device *dp = display->ctx; + if (dp->dpms_mode != DRM_MODE_DPMS_ON) return; @@ -1078,12 +1091,12 @@ static void exynos_dp_dpms(struct exynos_drm_display *display, int mode) switch (mode) { case DRM_MODE_DPMS_ON: - exynos_dp_poweron(dp); + exynos_dp_poweron(display); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - exynos_dp_poweroff(dp); + exynos_dp_poweroff(display); break; default: break; @@ -1094,6 +1107,7 @@ static void exynos_dp_dpms(struct exynos_drm_display *display, int mode) static struct exynos_drm_display_ops exynos_dp_display_ops = { .create_connector = exynos_dp_create_connector, .dpms = exynos_dp_dpms, + .commit = exynos_dp_commit, }; static struct exynos_drm_display exynos_dp_display = { -- 2.7.4