struct drm_device *dev = crtc->dev;
struct tilcdc_drm_private *priv = dev->dev_private;
struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc);
- unsigned long clk_rate, real_rate, pclk_rate;
+ unsigned long clk_rate, real_rate, real_pclk_rate, pclk_rate;
unsigned int clkdiv;
int ret;
ret = clk_set_rate(priv->clk, pclk_rate * clkdiv);
clk_rate = clk_get_rate(priv->clk);
- if (ret < 0 || tilcdc_pclk_diff(pclk_rate, clk_rate) > 5) {
+ real_pclk_rate = clk_rate / clkdiv;
+ if (ret < 0 || tilcdc_pclk_diff(pclk_rate, real_pclk_rate) > 5) {
/*
* If we fail to set the clock rate (some architectures don't
* use the common clock framework yet and may not implement