From cf5188ac1c0726a6bd2565734ec080f0eca82736 Mon Sep 17 00:00:00 2001 From: Joonyoung Shim Date: Wed, 27 Jun 2012 14:27:09 +0900 Subject: drm/exynos: add plane enable/disable The plane enable/disable can control only a power of plane, so they will be helpful to handle planes with dpms. Signed-off-by: Joonyoung Shim Signed-off-by: Kyungmin Park Signed-off-by: Inki Dae --- drivers/gpu/drm/exynos/exynos_drm_plane.c | 38 ++++++++++++++++++++++--------- 1 file changed, 27 insertions(+), 11 deletions(-) (limited to 'drivers/gpu/drm/exynos/exynos_drm_plane.c') diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index f018c9d32639..b89829e5043a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -107,8 +107,32 @@ void exynos_plane_commit(struct drm_plane *plane) exynos_drm_fn_encoder(plane->crtc, &overlay->zpos, exynos_drm_encoder_plane_commit); +} + +void exynos_plane_dpms(struct drm_plane *plane, int mode) +{ + struct exynos_plane *exynos_plane = to_exynos_plane(plane); + struct exynos_drm_overlay *overlay = &exynos_plane->overlay; - exynos_plane->enabled = true; + DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); + + if (mode == DRM_MODE_DPMS_ON) { + if (exynos_plane->enabled) + return; + + exynos_drm_fn_encoder(plane->crtc, &overlay->zpos, + exynos_drm_encoder_plane_enable); + + exynos_plane->enabled = true; + } else { + if (!exynos_plane->enabled) + return; + + exynos_drm_fn_encoder(plane->crtc, &overlay->zpos, + exynos_drm_encoder_plane_disable); + + exynos_plane->enabled = false; + } } static int @@ -132,24 +156,16 @@ exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, plane->fb = crtc->fb; exynos_plane_commit(plane); + exynos_plane_dpms(plane, DRM_MODE_DPMS_ON); return 0; } static int exynos_disable_plane(struct drm_plane *plane) { - struct exynos_plane *exynos_plane = to_exynos_plane(plane); - struct exynos_drm_overlay *overlay = &exynos_plane->overlay; - DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); - if (!exynos_plane->enabled) - return 0; - - exynos_drm_fn_encoder(plane->crtc, &overlay->zpos, - exynos_drm_encoder_plane_disable); - - exynos_plane->enabled = false; + exynos_plane_dpms(plane, DRM_MODE_DPMS_OFF); return 0; } -- cgit v1.2.3-59-g8ed1b