[Intel-gfx] [PATCH 8/9] drm/i915: Fix hdmi clock readout with pixel repeat

ville.syrjala at linux.intel.com ville.syrjala at linux.intel.com
Tue May 5 07:06:26 PDT 2015


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Account for the pixel multiplier when reading out the HDMI
mode dotclock. Makes the state checked happier on my ILK when using
double clocked modes.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_hdmi.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index ce595c3..1810242 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -943,6 +943,9 @@ static void intel_hdmi_get_config(struct intel_encoder *encoder,
 	else
 		dotclock = pipe_config->port_clock;
 
+	if (pipe_config->pixel_multiplier)
+		dotclock /= pipe_config->pixel_multiplier;
+
 	if (HAS_PCH_SPLIT(dev_priv->dev))
 		ironlake_check_encoder_dotclock(pipe_config, dotclock);
 
-- 
2.0.5



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