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path: root/drivers/gpu/drm/nouveau/nouveau_dp.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_dp.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_dp.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_dp.c b/drivers/gpu/drm/nouveau/nouveau_dp.c
index 7b640e05bd4c..93e3751ad7f1 100644
--- a/drivers/gpu/drm/nouveau/nouveau_dp.c
+++ b/drivers/gpu/drm/nouveau/nouveau_dp.c
@@ -232,12 +232,14 @@ nv50_dp_mode_valid(struct drm_connector *connector,
unsigned *out_clock)
{
const unsigned min_clock = 25000;
- unsigned max_clock, ds_clock, clock;
- enum drm_mode_status ret;
+ unsigned max_clock, ds_clock, clock = mode->clock;
if (mode->flags & DRM_MODE_FLAG_INTERLACE && !outp->caps.dp_interlace)
return MODE_NO_INTERLACE;
+ if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING)
+ clock *= 2;
+
max_clock = outp->dp.link_nr * outp->dp.link_bw;
ds_clock = drm_dp_downstream_max_dotclock(outp->dp.dpcd,
outp->dp.downstream_ports);
@@ -245,9 +247,13 @@ nv50_dp_mode_valid(struct drm_connector *connector,
max_clock = min(max_clock, ds_clock);
clock = mode->clock * (connector->display_info.bpc * 3) / 10;
- ret = nouveau_conn_mode_clock_valid(mode, min_clock, max_clock,
- &clock);
+ if (clock < min_clock)
+ return MODE_CLOCK_LOW;
+ if (clock > max_clock)
+ return MODE_CLOCK_HIGH;
+
if (out_clock)
*out_clock = clock;
- return ret;
+
+ return MODE_OK;
}