1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/arm/hdlcd_crtc.c b/drivers/gpu/drm/arm/hdlcd_crtc.c
index ecac6fe0b213..a3efa28436ea 100644
--- a/drivers/gpu/drm/arm/hdlcd_crtc.c
+++ b/drivers/gpu/drm/arm/hdlcd_crtc.c
@@ -193,7 +193,8 @@ static enum drm_mode_status hdlcd_crtc_mode_valid(struct drm_crtc *crtc,
         long rate, clk_rate = mode->clock * 1000;
 
         rate = clk_round_rate(hdlcd->clk, clk_rate);
-        if (rate != clk_rate) {
+        /* 0.1% seems a close enough tolerance for the TDA19988 on Juno */
+        if (abs(rate - clk_rate) * 1000 > clk_rate) {
                 /* clock required by mode not supported by hardware */
                 return MODE_NOCLOCK;
         }