diff options
| author | Andrzej Hajda <a.hajda@samsung.com> | 2016-12-09 10:49:18 +0100 |
|---|---|---|
| committer | Seung-Woo Kim <sw0312.kim@samsung.com> | 2016-12-14 13:54:33 +0900 |
| commit | 362ffb29c0a132075d96f76714b4be884c8110ba (patch) | |
| tree | 1be25875985cb3761e851e72861563be9522abb5 | |
| parent | ef1faaaa5bb809f158ba66e1e15a5661922808a5 (diff) | |
drm/exynos/decon5433: fix porch calculation in interlaced mode
Interlaced mode requires different porch calculation in DECON.
Change-Id: I1bfc2554cd3204ebb270ab2e4a396d0f69f5a7f4
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index b0f696f12f8b..c8593bbd0e3a 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -221,10 +221,12 @@ static void decon_commit(struct exynos_drm_crtc *crtc) writel(val, ctx->addr + DECON_VIDTCON2); if (!ctx->i80_if) { - val = VIDTCON00_VBPD_F( - mode->crtc_vtotal - mode->crtc_vsync_end - 1) | - VIDTCON00_VFPD_F( - mode->crtc_vsync_start - mode->crtc_vdisplay - 1); + int vbp = mode->crtc_vtotal - mode->crtc_vsync_end; + int vfp = mode->crtc_vsync_start - mode->crtc_vdisplay; + + if (interlaced) + vbp = vbp / 2 - 1; + val = VIDTCON00_VBPD_F(vbp - 1) | VIDTCON00_VFPD_F(vfp - 1); writel(val, ctx->addr + DECON_VIDTCON00); val = VIDTCON01_VSPW_F( |