drm/imx: Add support for interlaced scanout
This patch allows interlaced frame buffer scanout for interlaced output
via HDMI or TV-Encoder.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.c b/drivers/gpu/drm/imx/ipuv3-plane.c
index 6987e16..878a643 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.c
+++ b/drivers/gpu/drm/imx/ipuv3-plane.c
@@ -99,7 +99,7 @@
struct drm_framebuffer *fb, int crtc_x, int crtc_y,
unsigned int crtc_w, unsigned int crtc_h,
uint32_t src_x, uint32_t src_y,
- uint32_t src_w, uint32_t src_h)
+ uint32_t src_w, uint32_t src_h, bool interlaced)
{
struct device *dev = ipu_plane->base.dev->dev;
int ret;
@@ -213,6 +213,8 @@
ret = ipu_plane_set_base(ipu_plane, fb, src_x, src_y);
if (ret < 0)
return ret;
+ if (interlaced)
+ ipu_cpmem_interlaced_scan(ipu_plane->ipu_ch, fb->pitches[0]);
ipu_plane->w = src_w;
ipu_plane->h = src_h;
@@ -312,7 +314,8 @@
ret = ipu_plane_mode_set(ipu_plane, crtc, &crtc->hwmode, fb,
crtc_x, crtc_y, crtc_w, crtc_h,
- src_x >> 16, src_y >> 16, src_w >> 16, src_h >> 16);
+ src_x >> 16, src_y >> 16, src_w >> 16, src_h >> 16,
+ false);
if (ret < 0) {
ipu_plane_put_resources(ipu_plane);
return ret;