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| author | Lucas Stach <l.stach@pengutronix.de> | 2015-11-03 11:02:17 (GMT) |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2016-02-10 13:26:52 (GMT) |
| commit | 6c8b66ed0aaf888bfa2545796bf769c1c4593d58 (patch) | |
| tree | 750a1da50ddf9398b4ee8e804de9d3843b26335a /drivers/gpu/drm/imx | |
| parent | 596a65d152fdc777ee7a2c7cbea9a7916350bed1 (diff) | |
| download | linux-6c8b66ed0aaf888bfa2545796bf769c1c4593d58.tar.xz | |
drm/imx: notify DRM core about CRTC vblank state
Make sure the DRM core is aware that there will be no vblank interrupts
incoming if the CRTC is disabled. That way the core will reject any
attempts from userspace to wait on a vblank event on a disabled CRTC.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/imx')
| -rw-r--r-- | drivers/gpu/drm/imx/ipuv3-crtc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/imx/ipuv3-crtc.c b/drivers/gpu/drm/imx/ipuv3-crtc.c index 30a5718..2872263 100644 --- a/drivers/gpu/drm/imx/ipuv3-crtc.c +++ b/drivers/gpu/drm/imx/ipuv3-crtc.c @@ -64,6 +64,7 @@ static void ipu_fb_enable(struct ipu_crtc *ipu_crtc) /* Start DC channel and DI after IDMAC */ ipu_dc_enable_channel(ipu_crtc->dc); ipu_di_enable(ipu_crtc->di); + drm_crtc_vblank_on(&ipu_crtc->base); ipu_crtc->enabled = 1; } @@ -80,6 +81,7 @@ static void ipu_fb_disable(struct ipu_crtc *ipu_crtc) ipu_di_disable(ipu_crtc->di); ipu_plane_disable(ipu_crtc->plane[0]); ipu_dc_disable(ipu); + drm_crtc_vblank_off(&ipu_crtc->base); ipu_crtc->enabled = 0; } |