diff options
| author | Clint Taylor <clinton.a.taylor@intel.com> | 2014-09-02 17:03:36 -0700 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-09-15 08:56:30 +0200 |
| commit | 697c4078c765c02b9c4ca2d828ae4d7af62453a6 (patch) | |
| tree | daa38dc51fbf4a7c9cc7a045f12c7c2c017d864f | |
| parent | fb01d28070b711b164d84ff80a28dcc7cca506e7 (diff) | |
drm/i915/hdmi: Enable pipe pixel replication for SD interlaced modes
Enable 2x pixel replication for modes the mode flag DBLCLK to double
horizontal timings and pixel clock across TMDS.
Signed-off-by: Clint Taylor <clinton.a.taylor@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
| -rw-r--r-- | drivers/gpu/drm/i915/intel_hdmi.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 9169786dbbc..96957683032 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -864,10 +864,15 @@ static enum drm_mode_status intel_hdmi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { - if (mode->clock > hdmi_portclock_limit(intel_attached_hdmi(connector), - true)) + int clock = mode->clock; + + if (mode->flags & DRM_MODE_FLAG_DBLCLK) + clock *= 2; + + if (clock > hdmi_portclock_limit(intel_attached_hdmi(connector), + true)) return MODE_CLOCK_HIGH; - if (mode->clock < 20000) + if (clock < 20000) return MODE_CLOCK_LOW; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) @@ -921,6 +926,10 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder, intel_hdmi->color_range = 0; } + if (adjusted_mode->flags & DRM_MODE_FLAG_DBLCLK) { + pipe_config->pixel_multiplier = 2; + } + if (intel_hdmi->color_range) pipe_config->limited_color_range = true; |