diff options
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c index 3d0b7fbae02d..25278f59d165 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c @@ -203,7 +203,7 @@ static void tilcdc_crtc_set_clk(struct drm_crtc *crtc) 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; @@ -214,7 +214,8 @@ static void tilcdc_crtc_set_clk(struct drm_crtc *crtc) 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 |