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-rw-r--r--drivers/gpu/drm/tegra/dc.c8
-rw-r--r--drivers/gpu/drm/tegra/hdmi.c6
2 files changed, 7 insertions, 7 deletions
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 074410371e2a..54683e430c77 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;
diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index ab4016412bbf..81ea934214f1 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -479,7 +479,7 @@ static void tegra_hdmi_setup_avi_infoframe(struct tegra_hdmi *hdmi,
return;
}
- h_front_porch = mode->htotal - mode->hsync_end;
+ h_front_porch = mode->hsync_start - mode->hdisplay;
memset(&frame, 0, sizeof(frame));
frame.r = HDMI_AVI_R_SAME;
@@ -634,8 +634,8 @@ static int tegra_output_hdmi_enable(struct tegra_output *output)
pclk = mode->clock * 1000;
h_sync_width = mode->hsync_end - mode->hsync_start;
- h_front_porch = mode->htotal - mode->hsync_end;
- h_back_porch = mode->hsync_start - mode->hdisplay;
+ h_back_porch = mode->htotal - mode->hsync_end;
+ h_front_porch = mode->hsync_start - mode->hdisplay;
err = regulator_enable(hdmi->vdd);
if (err < 0) {