diff options
Diffstat (limited to 'drivers/gpu/drm/arm/hdlcd_crtc.c')
-rw-r--r-- | drivers/gpu/drm/arm/hdlcd_crtc.c | 3 |
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 9da37d3a15c6..01e945de8165 100644 --- a/drivers/gpu/drm/arm/hdlcd_crtc.c +++ b/drivers/gpu/drm/arm/hdlcd_crtc.c @@ -170,7 +170,8 @@ static int hdlcd_crtc_atomic_check(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 -EINVAL; } |