Signed-off-by: Philipp Zabel p.zabel@pengutronix.de --- drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h | 2 ++ drivers/staging/imx-drm/ipu-v3/ipu-dc.c | 14 ++++++++++++-- drivers/staging/imx-drm/ipuv3-crtc.c | 8 ++++++-- 3 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h b/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h index 8678ad1..c2c6fab 100644 --- a/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h +++ b/drivers/staging/imx-drm/ipu-v3/imx-ipu-v3.h @@ -115,8 +115,10 @@ struct ipu_dc *ipu_dc_get(struct ipu_soc *ipu, int channel); void ipu_dc_put(struct ipu_dc *dc); int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced, u32 pixel_fmt, u32 width); +void ipu_dc_enable(struct ipu_soc *ipu); void ipu_dc_enable_channel(struct ipu_dc *dc); void ipu_dc_disable_channel(struct ipu_dc *dc); +void ipu_dc_disable(struct ipu_soc *ipu);
/* * IPU Display Interface (di) functions diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-dc.c b/drivers/staging/imx-drm/ipu-v3/ipu-dc.c index 280e494..93b2709 100644 --- a/drivers/staging/imx-drm/ipu-v3/ipu-dc.c +++ b/drivers/staging/imx-drm/ipu-v3/ipu-dc.c @@ -224,12 +224,16 @@ int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced, writel(0x0, dc->base + DC_WR_CH_ADDR); writel(width, priv->dc_reg + DC_DISP_CONF2(dc->di));
- ipu_module_enable(priv->ipu, IPU_CONF_DC_EN); - return 0; } EXPORT_SYMBOL_GPL(ipu_dc_init_sync);
+void ipu_dc_enable(struct ipu_soc *ipu) +{ + ipu_module_enable(ipu, IPU_CONF_DC_EN); +} +EXPORT_SYMBOL_GPL(ipu_dc_enable); + void ipu_dc_enable_channel(struct ipu_dc *dc) { int di; @@ -286,6 +290,12 @@ void ipu_dc_disable_channel(struct ipu_dc *dc) } EXPORT_SYMBOL_GPL(ipu_dc_disable_channel);
+void ipu_dc_disable(struct ipu_soc *ipu) +{ + ipu_module_disable(ipu, IPU_CONF_DC_EN); +} +EXPORT_SYMBOL_GPL(ipu_dc_disable); + static void ipu_dc_map_config(struct ipu_dc_priv *priv, enum ipu_dc_map map, int byte_num, int offset, int mask) { diff --git a/drivers/staging/imx-drm/ipuv3-crtc.c b/drivers/staging/imx-drm/ipuv3-crtc.c index c771ac1..4c6262f 100644 --- a/drivers/staging/imx-drm/ipuv3-crtc.c +++ b/drivers/staging/imx-drm/ipuv3-crtc.c @@ -60,10 +60,12 @@ struct ipu_crtc {
static void ipu_fb_enable(struct ipu_crtc *ipu_crtc) { + struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); + if (ipu_crtc->enabled) return;
- /* TODO: Enable DC module here, right now it is never disabled */ + ipu_dc_enable(ipu); ipu_plane_enable(ipu_crtc->plane[0]); /* Start DC channel and DI after IDMAC */ ipu_dc_enable_channel(ipu_crtc->dc); @@ -74,6 +76,8 @@ static void ipu_fb_enable(struct ipu_crtc *ipu_crtc)
static void ipu_fb_disable(struct ipu_crtc *ipu_crtc) { + struct ipu_soc *ipu = dev_get_drvdata(ipu_crtc->dev->parent); + if (!ipu_crtc->enabled) return;
@@ -81,7 +85,7 @@ static void ipu_fb_disable(struct ipu_crtc *ipu_crtc) ipu_dc_disable_channel(ipu_crtc->dc); ipu_di_disable(ipu_crtc->di); ipu_plane_disable(ipu_crtc->plane[0]); - /* TODO: Disable DC module here */ + ipu_dc_disable(ipu);
ipu_crtc->enabled = 0; }