diff options
| author | Andrzej Hajda <a.hajda@samsung.com> | 2014-03-17 11:27:19 +0100 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2014-03-24 00:36:39 +0900 |
| commit | 8b4cad23531da4e6a41838a9895e054d755c3255 (patch) | |
| tree | b043a0e049451634de98ffb8617d163b6111e42e /drivers/gpu/drm/exynos/exynos_drm_fimd.c | |
| parent | 8e527f0187182708b36d8d5c3a623778bb0bcf94 (diff) | |
drm/exynos: correct timing porch conversion
The patch corrects porch calculation. It should
be calculated as a difference between adjacent
respective fields of drm_display_mode.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimd.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index f78fbf4682b4..10431b0a35ba 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -221,7 +221,7 @@ static void fimd_commit(struct exynos_drm_manager *mgr) struct drm_display_mode *mode = &ctx->mode; struct fimd_driver_data *driver_data; u32 val, clkdiv, vidcon1; - int hblank, vblank, vsync_len, vbpd, vfpd, hsync_len, hbpd, hfpd; + int vsync_len, vbpd, vfpd, hsync_len, hbpd, hfpd; driver_data = ctx->driver_data; if (ctx->suspended) @@ -240,10 +240,9 @@ static void fimd_commit(struct exynos_drm_manager *mgr) writel(vidcon1, ctx->regs + driver_data->timing_base + VIDCON1); /* setup vertical timing values. */ - vblank = mode->crtc_vblank_end - mode->crtc_vblank_start; vsync_len = mode->crtc_vsync_end - mode->crtc_vsync_start; - vbpd = (vblank - vsync_len) / 2; - vfpd = vblank - vsync_len - vbpd; + vbpd = mode->crtc_vtotal - mode->crtc_vsync_end; + vfpd = mode->crtc_vsync_start - mode->crtc_vdisplay; val = VIDTCON0_VBPD(vbpd - 1) | VIDTCON0_VFPD(vfpd - 1) | @@ -251,10 +250,9 @@ static void fimd_commit(struct exynos_drm_manager *mgr) writel(val, ctx->regs + driver_data->timing_base + VIDTCON0); /* setup horizontal timing values. */ - hblank = mode->crtc_hblank_end - mode->crtc_hblank_start; hsync_len = mode->crtc_hsync_end - mode->crtc_hsync_start; - hbpd = (hblank - hsync_len) / 2; - hfpd = hblank - hsync_len - hbpd; + hbpd = mode->crtc_htotal - mode->crtc_hsync_end; + hfpd = mode->crtc_hsync_start - mode->crtc_hdisplay; val = VIDTCON1_HBPD(hbpd - 1) | VIDTCON1_HFPD(hfpd - 1) | |