diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_sdvo.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index fe681c7e3936..5df08b78b577 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -944,6 +944,13 @@ static bool intel_sdvo_set_colorimetry(struct intel_sdvo *intel_sdvo, return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_COLORIMETRY, &mode, 1); } +static bool intel_sdvo_set_pixel_replication(struct intel_sdvo *intel_sdvo, + u8 pixel_repeat) +{ + return intel_sdvo_set_value(intel_sdvo, SDVO_CMD_SET_PIXEL_REPLI, + &pixel_repeat, 1); +} + static bool intel_sdvo_set_audio_state(struct intel_sdvo *intel_sdvo, u8 audio_state) { @@ -1501,6 +1508,9 @@ static void intel_sdvo_pre_enable(struct intel_atomic_state *state, SDVO_COLORIMETRY_RGB220 : SDVO_COLORIMETRY_RGB256); intel_sdvo_set_avi_infoframe(intel_sdvo, crtc_state); + intel_sdvo_set_pixel_replication(intel_sdvo, + !!(adjusted_mode->flags & + DRM_MODE_FLAG_DBLCLK)); } else intel_sdvo_set_encode(intel_sdvo, SDVO_ENCODE_DVI); @@ -1855,17 +1865,26 @@ intel_sdvo_mode_valid(struct drm_connector *connector, struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; + bool has_hdmi_sink = intel_has_hdmi_sink(intel_sdvo, connector->state); + int clock = mode->clock; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; - if (intel_sdvo->pixel_clock_min > mode->clock) - return MODE_CLOCK_LOW; - if (intel_sdvo->pixel_clock_max < mode->clock) + if (clock > max_dotclk) return MODE_CLOCK_HIGH; - if (mode->clock > max_dotclk) + if (mode->flags & DRM_MODE_FLAG_DBLCLK) { + if (!has_hdmi_sink) + return MODE_CLOCK_LOW; + clock *= 2; + } + + if (intel_sdvo->pixel_clock_min > clock) + return MODE_CLOCK_LOW; + + if (intel_sdvo->pixel_clock_max < clock) return MODE_CLOCK_HIGH; if (IS_LVDS(intel_sdvo_connector)) { |