Adds the function ipu_dp_uninit_channel() which tears down
ipu_dp_setup_channel().
Signed-off-by: Steve Longerbeam <steve_longerbeam@xxxxxxxxxx>
Signed-off-by: Muzaffar Mahmood <muzaffar_mahmood@xxxxxxxxxx>
---
drivers/gpu/ipu-v3/ipu-dp.c | 18 ++++++++++++++++++
include/video/imx-ipu-v3.h | 1 +
2 files changed, 19 insertions(+)
diff --git a/drivers/gpu/ipu-v3/ipu-dp.c b/drivers/gpu/ipu-v3/ipu-dp.c
index 472acd6..626f738 100644
--- a/drivers/gpu/ipu-v3/ipu-dp.c
+++ b/drivers/gpu/ipu-v3/ipu-dp.c
@@ -302,6 +302,16 @@ static void ipu_dp_csc_init(struct ipu_flow *flow,
writel(reg, flow->base + DP_COM_CONF);
}
+static void ipu_dp_csc_disable(struct ipu_flow *flow)
+{
+ writel(0, flow->base + DP_CSC_A_0);
+ writel(0, flow->base + DP_CSC_A_1);
+ writel(0, flow->base + DP_CSC_A_2);
+ writel(0, flow->base + DP_CSC_A_3);
+ writel(0, flow->base + DP_CSC_0);
+ writel(0, flow->base + DP_CSC_1);
+}
+
int ipu_dp_setup_channel(struct ipu_dp *dp,
enum ipu_color_space in,
enum ipu_color_space out)
@@ -344,6 +354,14 @@ int ipu_dp_setup_channel(struct ipu_dp *dp,
}
EXPORT_SYMBOL_GPL(ipu_dp_setup_channel);
+void ipu_dp_uninit_channel(struct ipu_dp *dp)
+{
+ struct ipu_flow *flow = to_flow(dp);
+
+ ipu_dp_csc_disable(flow);
+}
+EXPORT_SYMBOL_GPL(ipu_dp_uninit_channel);
+
int ipu_dp_enable(struct ipu_soc *ipu)
{
struct ipu_dp_priv *priv = ipu->dp_priv;
diff --git a/include/video/imx-ipu-v3.h b/include/video/imx-ipu-v3.h
index 36309b9..567ac41 100644
--- a/include/video/imx-ipu-v3.h
+++ b/include/video/imx-ipu-v3.h
@@ -292,6 +292,7 @@ void ipu_dp_disable_channel(struct ipu_dp *dp);
void ipu_dp_disable(struct ipu_soc *ipu);
int ipu_dp_setup_channel(struct ipu_dp *dp,
enum ipu_color_space in, enum ipu_color_space out);
+void ipu_dp_uninit_channel(struct ipu_dp *dp);
int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
bool bg_chan);
--
1.7.9.5
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