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path: root/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c
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Diffstat (limited to 'drivers/gpu/drm/omapdrm/dss/hdmi_wp.c')
-rw-r--r--drivers/gpu/drm/omapdrm/dss/hdmi_wp.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c b/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c
index b783d5a0750e..597ec9d87d1d 100644
--- a/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c
+++ b/drivers/gpu/drm/omapdrm/dss/hdmi_wp.c
@@ -147,15 +147,17 @@ void hdmi_wp_video_config_interface(struct hdmi_wp_data *wp,
struct videomode *vm)
{
u32 r;
- bool vsync_pol, hsync_pol;
+ bool vsync_inv, hsync_inv;
DSSDBG("Enter hdmi_wp_video_config_interface\n");
- vsync_pol = !!(vm->flags & DISPLAY_FLAGS_VSYNC_HIGH);
- hsync_pol = !!(vm->flags & DISPLAY_FLAGS_HSYNC_HIGH);
+ vsync_inv = !!(vm->flags & DISPLAY_FLAGS_VSYNC_LOW);
+ hsync_inv = !!(vm->flags & DISPLAY_FLAGS_HSYNC_LOW);
r = hdmi_read_reg(wp->base, HDMI_WP_VIDEO_CFG);
- r = FLD_MOD(r, vsync_pol, 7, 7);
- r = FLD_MOD(r, hsync_pol, 6, 6);
+ r = FLD_MOD(r, 1, 7, 7); /* VSYNC_POL to dispc active high */
+ r = FLD_MOD(r, 1, 6, 6); /* HSYNC_POL to dispc active high */
+ r = FLD_MOD(r, vsync_inv, 5, 5); /* CORE_VSYNC_INV */
+ r = FLD_MOD(r, hsync_inv, 4, 4); /* CORE_HSYNC_INV */
r = FLD_MOD(r, !!(vm->flags & DISPLAY_FLAGS_INTERLACED), 3, 3);
r = FLD_MOD(r, 1, 1, 0); /* HDMI_TIMING_MASTER_24BIT */
hdmi_write_reg(wp->base, HDMI_WP_VIDEO_CFG, r);