diff options
| author | Lucas Stach <dev@lynxeye.de> | 2012-12-19 21:38:52 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-12-30 14:01:31 +1000 |
| commit | 4049508988a6ad03f51c33bf035bd9b603454830 (patch) | |
| tree | 65e2f7405c513b180819ab4545faaf8c97c040e2 /drivers/gpu/drm/tegra/dc.c | |
| parent | 8be0e5c427c18a59ce261c496ae2193cbcbafffd (diff) | |
drm: tegra: fix front_porch <-> back_porch mixup
Fixes wrong picture offset observed when using HDMI output with a
Technisat HD TV.
Signed-off-by: Lucas Stach <dev@lynxeye.de>
Acked-by: Mark Zhang <markz@nvidia.com>
Tested-by: Mark Zhang <markz@nvidia.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/tegra/dc.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/dc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 074410371e2..54683e430c7 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -102,12 +102,12 @@ static int tegra_dc_set_timings(struct tegra_dc *dc, ((mode->hsync_end - mode->hsync_start) << 0); tegra_dc_writel(dc, value, DC_DISP_SYNC_WIDTH); - value = ((mode->vsync_start - mode->vdisplay) << 16) | - ((mode->hsync_start - mode->hdisplay) << 0); - tegra_dc_writel(dc, value, DC_DISP_BACK_PORCH); - value = ((mode->vtotal - mode->vsync_end) << 16) | ((mode->htotal - mode->hsync_end) << 0); + tegra_dc_writel(dc, value, DC_DISP_BACK_PORCH); + + value = ((mode->vsync_start - mode->vdisplay) << 16) | + ((mode->hsync_start - mode->hdisplay) << 0); tegra_dc_writel(dc, value, DC_DISP_FRONT_PORCH); value = (mode->vdisplay << 16) | mode->hdisplay; |