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drm/bridge: dw_hdmi: set vdisplay for frame packing 3d mode

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This patch is only applicable to 3d frame packing
of progressive mode.
According to HDMI Specification 1.4b 8.2.3.2,
vertical toatal line is x2 of 2D vertical toatal line
and pixel clock frequency is x2 of 2D pixel clock frequency.

vdisplay += vtotal
mpixelclock *= 2

Change-Id: I097c25cd1a930635e33f0a7bc86797ad1c7ed607
Signed-off-by: algea.cao <algea.cao@rock-chips.com>
This commit is contained in:
algea.cao
2017-03-27 16:34:35 +08:00
committed by Tao Huang
parent 5eb78cfb18
commit de13464baa
1 changed files with 8 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/gpu/drm/bridge/synopsys/dw-hdmi.c
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@@ -2003,13 +2003,16 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi,
vmode->previous_pixelclock = vmode->mpixelclock;
vmode->mpixelclock = mode->crtc_clock * 1000;
vmode->mtmdsclock = hdmi_get_tmdsclock(hdmi, vmode->mpixelclock);
if ((mode->flags & DRM_MODE_FLAG_3D_MASK) ==
DRM_MODE_FLAG_3D_FRAME_PACKING)
vmode->mpixelclock *= 2;
dev_dbg(hdmi->dev, "final pixclk = %d\n", vmode->mpixelclock);
vmode->previous_tmdsclock = vmode->mtmdsclock;
vmode->mtmdsclock = hdmi_get_tmdsclock(hdmi, vmode->mpixelclock);
if (hdmi_bus_fmt_is_yuv420(hdmi->hdmi_data.enc_out_bus_format))
vmode->mtmdsclock /= 2;
/* Set up HDMI_FC_INVIDCONF */
inv_val = (hdmi->hdmi_data.hdcp_enable ||
vmode->mtmdsclock > HDMI14_MAX_TMDSCLK ||
@@ -2076,6 +2079,9 @@ static void hdmi_av_composer(struct dw_hdmi *hdmi,
vblank /= 2;
v_de_vs /= 2;
vsync_len /= 2;
} else if ((mode->flags & DRM_MODE_FLAG_3D_MASK) ==
DRM_MODE_FLAG_3D_FRAME_PACKING) {
vdisplay += mode->vtotal;
}
/* Scrambling Control */