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drm/rockchip: vop: support CRTC_STEREO_DOUBLE mode

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Change-Id: Ic9905248491a2d728da782d6cfa9679ca50dd6c4
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
This commit is contained in:
Mark Yao
2017-04-06 11:06:56 +08:00
committed by Huang, Tao
parent 26a079fe5c
commit 4019733062
1 changed files with 8 additions and 5 deletions
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13
drivers/gpu/drm/rockchip/rockchip_drm_vop.c
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@@ -1465,20 +1465,23 @@ static const struct rockchip_crtc_funcs private_crtc_funcs = {
static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
struct drm_display_mode *adj_mode)
{
struct vop *vop = to_vop(crtc);
const struct vop_data *vop_data = vop->data;
int request_clock = mode->clock;
if (mode->hdisplay > vop_data->max_output.width ||
mode->vdisplay > vop_data->max_output.height)
return false;
drm_mode_set_crtcinfo(adj_mode,
CRTC_INTERLACE_HALVE_V | CRTC_STEREO_DOUBLE);
if (mode->flags & DRM_MODE_FLAG_DBLCLK)
request_clock *= 2;
adjusted_mode->crtc_clock =
clk_round_rate(vop->dclk, request_clock * 1000) / 1000;
adj_mode->crtc_clock *= 2;
adj_mode->crtc_clock =
clk_round_rate(vop->dclk, adj_mode->crtc_clock * 1000) / 1000;
return true;
}