From: Philipp Zabel <p.zabel@pengutronix.de>
To: dri-devel@lists.freedesktop.org
Cc: kernel@pengutronix.de
Subject: [PATCH] drm/imx: Add support for interlaced scanout
Date: Mon, 2 Mar 2015 15:56:39 +0100 [thread overview]
Message-ID: <1425308199-5166-1-git-send-email-p.zabel@pengutronix.de> (raw)
This patch allows interlaced frame buffer scanout for interlaced output
via HDMI or TV-Encoder.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---
drivers/gpu/drm/imx/ipuv3-crtc.c | 3 ++-
drivers/gpu/drm/imx/ipuv3-plane.c | 7 +++++--
drivers/gpu/drm/imx/ipuv3-plane.h | 2 +-
3 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c
index 98551e3..09d6f98 100644
--- a/drivers/gpu/drm/imx/ipuv3-crtc.c
+++ b/drivers/gpu/drm/imx/ipuv3-crtc.c
@@ -202,7 +202,8 @@ static int ipu_crtc_mode_set(struct drm_crtc *crtc,
return ipu_plane_mode_set(ipu_crtc->plane[0], crtc, mode,
crtc->primary->fb,
0, 0, mode->hdisplay, mode->vdisplay,
- x, y, mode->hdisplay, mode->vdisplay);
+ x, y, mode->hdisplay, mode->vdisplay,
+ mode->flags & DRM_MODE_FLAG_INTERLACE);
}
static void ipu_crtc_handle_pageflip(struct ipu_crtc *ipu_crtc)
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 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc,
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 @@ int ipu_plane_mode_set(struct ipu_plane *ipu_plane, struct drm_crtc *crtc,
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 @@ static int ipu_update_plane(struct drm_plane *plane, struct drm_crtc *crtc,
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;
diff --git a/drivers/gpu/drm/imx/ipuv3-plane.h b/drivers/gpu/drm/imx/ipuv3-plane.h
index af125fb..9b5eff1 100644
--- a/drivers/gpu/drm/imx/ipuv3-plane.h
+++ b/drivers/gpu/drm/imx/ipuv3-plane.h
@@ -42,7 +42,7 @@ int ipu_plane_mode_set(struct ipu_plane *plane, struct drm_crtc *crtc,
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_h, bool interlaced);
void ipu_plane_enable(struct ipu_plane *plane);
void ipu_plane_disable(struct ipu_plane *plane);
--
2.1.4
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reply other threads:[~2015-03-02 14:57 UTC|newest]
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