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| author | Otavio Salvador <otavio@ossystems.com.br> | 2020-05-20 08:43:03 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-20 08:43:03 -0300 |
| commit | 1279cd128bba968ebe0a2df7f7ae38bae90250ef (patch) | |
| tree | df6b1a190760f51465122ca4c13492d5ac5984c6 /drivers/gpu/drm/arm/hdlcd_crtc.c | |
| parent | 0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff) | |
| parent | 2ae782ca839e0ee07de37122ddea362adff2e975 (diff) | |
Merge pull request #76 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
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; } |