drm/i915: Use adjusted_mode in HDMI 12bpc clock check
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 4 Sep 2013 15:25:20 +0000 (18:25 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Mon, 16 Sep 2013 21:22:10 +0000 (23:22 +0200)
The pixel clock should come from adjusted_mode not requested_mode.
In this case the two should be the same as we don't currently
overwrite the clock in the case of HDMI. But let's make the code
safe against such things happening in the future.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_hdmi.c

index 17b2d7e..79582f9 100644 (file)
@@ -873,7 +873,7 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder,
        struct intel_hdmi *intel_hdmi = enc_to_intel_hdmi(&encoder->base);
        struct drm_device *dev = encoder->base.dev;
        struct drm_display_mode *adjusted_mode = &pipe_config->adjusted_mode;
-       int clock_12bpc = pipe_config->requested_mode.clock * 3 / 2;
+       int clock_12bpc = pipe_config->adjusted_mode.clock * 3 / 2;
        int portclock_limit = hdmi_portclock_limit(intel_hdmi);
        int desired_bpp;