On Thu, 2015-07-30 at 07:52 +0100, Chris Wilson wrote:
> On Thu, Jul 30, 2015 at 09:49:33AM +0300, Mika Kahola wrote:
> > It is possible the we request to have a mode that has
> > higher pixel clock than our HW can support. This patch
> > checks if requested pixel clock is lower than the one
> > supported by the HW. The requested mode is discarded
> > if we cannot support the requested pixel clock.
> >
> > This patch applies to DSI.
> >
> > V2:
> > - removed computation for max pixel clock
> >
> > Signed-off-by: Mika Kahola <mika.kahola@xxxxxxxxx>
> > ---
> > drivers/gpu/drm/i915/intel_dsi.c | 8 ++++++++
> > 1 file changed, 8 insertions(+)
> >
> > diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
> > index 18dd7d7..2882978 100644
> > --- a/drivers/gpu/drm/i915/intel_dsi.c
> > +++ b/drivers/gpu/drm/i915/intel_dsi.c
> > @@ -654,6 +654,11 @@ intel_dsi_mode_valid(struct drm_connector *connector,
> > {
> > struct intel_connector *intel_connector = to_intel_connector(connector);
> > struct drm_display_mode *fixed_mode = intel_connector->panel.fixed_mode;
> > + struct intel_encoder *intel_encoder = intel_connector->encoder;
> > + struct intel_dsi *intel_dsi = enc_to_intel_dsi(&intel_encoder->base);
> > + struct drm_device *dev = intel_dsi->base.base.dev;
> > + struct drm_i915_private *dev_priv = to_i915(dev);
> > + int max_pixclk = dev_priv->max_dotclk;
>
> You only wanted i915, why all the extra steps?
> int max_pixclk = to_i915(connector->dev)->max_dotclk;
There's really no need for all these steps. All I need to extract is the
max_dotclk and I could do that shorter. This is also applicable for
other patches in the series.
-Mika-
> -Chris
>
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