drm: xilinx: crtc: Adding sdi vblank support in xlnx crtc

[zynq/linux.git] / drivers / gpu / drm / xilinx / xilinx_drm_crtc.c

diff --git a/drivers/gpu/drm/xilinx/xilinx_drm_crtc.c b/drivers/gpu/drm/xilinx/xilinx_drm_crtc.c
index b2319e6eec8144f9cc2b2a5b9ec817afb1181616..89f57d03af1e5e9256eef2fb6570e952a7b306f9 100644 (file)
--- a/drivers/gpu/drm/xilinx/xilinx_drm_crtc.c
+++ b/drivers/gpu/drm/xilinx/xilinx_drm_crtc.c
@@ -36,6 +36,7 @@
 #include "xilinx_cresample.h"
 #include "xilinx_rgb2yuv.h"
 #include "xilinx_vtc.h"
+#include "xilinx_drm_sdi.h"
 
 struct xilinx_drm_crtc {
        struct drm_crtc base;
@@ -49,6 +50,7 @@ struct xilinx_drm_crtc {
        unsigned int alpha;
        struct drm_pending_vblank_event *event;
        struct xilinx_drm_dp_sub *dp_sub;
+       struct xilinx_sdi *sdi;
 };
 
 #define to_xilinx_crtc(x)      container_of(x, struct xilinx_drm_crtc, base)
@@ -397,6 +399,10 @@ void xilinx_drm_crtc_enable_vblank(struct drm_crtc *base_crtc)
                xilinx_drm_dp_sub_enable_vblank(crtc->dp_sub,
                                                xilinx_drm_crtc_vblank_handler,
                                                base_crtc);
+       if (crtc->sdi)
+               xilinx_drm_sdi_enable_vblank(crtc->sdi,
+                                            xilinx_drm_crtc_vblank_handler,
+                                            base_crtc);
 }
 
 /* disable vblank interrupt */
@@ -408,6 +414,8 @@ void xilinx_drm_crtc_disable_vblank(struct drm_crtc *base_crtc)
                xilinx_drm_dp_sub_disable_vblank(crtc->dp_sub);
        if (crtc->vtc)
                xilinx_vtc_disable_vblank_intr(crtc->vtc);
+       if (crtc->sdi)
+               xilinx_drm_sdi_disable_vblank(crtc->sdi);
 }
 
 /**
@@ -556,6 +564,13 @@ struct drm_crtc *xilinx_drm_crtc_create(struct drm_device *drm)
                goto err_pixel_clk;
        }
 
+       crtc->sdi = xilinx_drm_sdi_of_get(drm->dev->of_node);
+       if (IS_ERR(crtc->sdi)) {
+               ret = PTR_ERR(crtc->sdi);
+               if (ret != -EPROBE_DEFER)
+                       DRM_ERROR("failed to get a sdi\n");
+               goto err_pixel_clk;
+       }
        crtc->dpms = DRM_MODE_DPMS_OFF;
 
        /* initialize drm crtc */