diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_tv.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index 751b88dde18e..3a5682f44e55 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -1150,6 +1150,8 @@ intel_tv_get_config(struct intel_encoder *encoder, ypos, mode.vdisplay - ysize - ypos); adjusted_mode->crtc_clock = mode.clock; + if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) + adjusted_mode->crtc_clock /= 2; /* pixel counter doesn't work on i965gm TV output */ if (IS_I965GM(dev_priv)) @@ -1214,8 +1216,11 @@ intel_tv_compute_config(struct intel_encoder *encoder, tv_conn_state->bypass_vfilter = true; - if (!tv_mode->progressive) + if (!tv_mode->progressive) { + adjusted_mode->clock /= 2; + adjusted_mode->crtc_clock /= 2; adjusted_mode->flags |= DRM_MODE_FLAG_INTERLACE; + } } else { tv_conn_state->margins.top = conn_state->tv.margins.top; tv_conn_state->margins.bottom = conn_state->tv.margins.bottom; |