[PATCH] drm/rockchip: vop: Don't reject empty modesets

From: Tomeu Vizoso
Date: Fri Mar 18 2016 - 07:22:38 EST


So that when DRM_IOCTL_MODE_SETCRTC is called without a FB nor mode, the
CRTC gets disabled.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/g/CAAObsKAv+05ih5U+=4kic_NsjGMhfxYheHR8xXXmacZs+p5SHw@xxxxxxxxxxxxxx
---
drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 3 ---
1 file changed, 3 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index fd370548d7d7..5e57f5b2e4b0 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -885,9 +885,6 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
{
struct vop *vop = to_vop(crtc);

- if (adjusted_mode->htotal == 0 || adjusted_mode->vtotal == 0)
- return false;
-
adjusted_mode->clock =
clk_round_rate(vop->dclk, mode->clock * 1000) / 1000;

--
2.5.0