diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2012-03-09 09:45:21 +0900 |
|---|---|---|
| committer | Inki Dae <inki.dae@samsung.com> | 2012-03-15 11:39:00 +0900 |
| commit | f7d86075fa6c082f7dc4d289a69162b13d2db924 (patch) | |
| tree | a68f7eb304fe47fae54cc6d51715dc1970d1bbba /drivers | |
| parent | 0d8ce3ae37e9bcfacbbc750cabf892fa00bb720e (diff) | |
| download | linux-f7d86075fa6c082f7dc4d289a69162b13d2db924.tar.bz2 | |
drm/exynos: Fix fb_videomode <-> drm_mode_modeinfo conversion
The fb_videomode structure stores the front porch and back porch in the
right_margin and left_margin fields respectively. right_margin should
thus be computed with hsync_start - hdisplay, and left_margin with
htotal - hsync_end. The same holds for the vertical direction.
Active Front Sync Back
Region Porch Porch
<-------------------><----------------><-------------><---------------->
//////////////////|
////////////////// |
////////////////// |.................. ..................
_______________
<------ xres -------><- right_margin -><- hsync_len -><- left_margin -->
<---- hdisplay ----->
<------------ hsync_start ------------>
<--------------------- hsync_end -------------------->
<--------------------------------- htotal ----------------------------->
Fix the fb_videomode <-> drm_mode_modeinfo conversion functions
accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_connector.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index 618bd4d87d28..99d5527b2ca6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -54,14 +54,14 @@ convert_to_display_mode(struct drm_display_mode *mode, mode->vrefresh = timing->refresh; mode->hdisplay = timing->xres; - mode->hsync_start = mode->hdisplay + timing->left_margin; + mode->hsync_start = mode->hdisplay + timing->right_margin; mode->hsync_end = mode->hsync_start + timing->hsync_len; - mode->htotal = mode->hsync_end + timing->right_margin; + mode->htotal = mode->hsync_end + timing->left_margin; mode->vdisplay = timing->yres; - mode->vsync_start = mode->vdisplay + timing->upper_margin; + mode->vsync_start = mode->vdisplay + timing->lower_margin; mode->vsync_end = mode->vsync_start + timing->vsync_len; - mode->vtotal = mode->vsync_end + timing->lower_margin; + mode->vtotal = mode->vsync_end + timing->upper_margin; mode->width_mm = panel->width_mm; mode->height_mm = panel->height_mm; @@ -85,14 +85,14 @@ convert_to_video_timing(struct fb_videomode *timing, timing->refresh = drm_mode_vrefresh(mode); timing->xres = mode->hdisplay; - timing->left_margin = mode->hsync_start - mode->hdisplay; + timing->right_margin = mode->hsync_start - mode->hdisplay; timing->hsync_len = mode->hsync_end - mode->hsync_start; - timing->right_margin = mode->htotal - mode->hsync_end; + timing->left_margin = mode->htotal - mode->hsync_end; timing->yres = mode->vdisplay; - timing->upper_margin = mode->vsync_start - mode->vdisplay; + timing->lower_margin = mode->vsync_start - mode->vdisplay; timing->vsync_len = mode->vsync_end - mode->vsync_start; - timing->lower_margin = mode->vtotal - mode->vsync_end; + timing->upper_margin = mode->vtotal - mode->vsync_end; if (mode->flags & DRM_MODE_FLAG_INTERLACE) timing->vmode = FB_VMODE_INTERLACED; |