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drm/imx: Add support for interlaced scanout

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This patch allows interlaced frame buffer scanout for interlaced output
via HDMI or TV-Encoder.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Philipp Zabel 2014-07-11 18:02:06 +02:00
parent d7de390bff
commit dd7fa6d887
3 changed files with 8 additions and 4 deletions
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3
drivers/gpu/drm/imx/ipuv3-crtc.c
View File

@ -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)

7
drivers/gpu/drm/imx/ipuv3-plane.c
View File

@ -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;

2
drivers/gpu/drm/imx/ipuv3-plane.h
View File

@ -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);