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@xxxxxxxxxxx> Reviewed-by: Daniel Kurtz <djkurtz@xxxxxxxxxxxx> --- drivers/gpu/drm/exynos/exynos_drm_fimd.c | 12 +++++------- 1 file 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 f78fbf4..10431b0 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) | -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
