On Tue, Mar 21, 2017 at 08:15:53PM +0800, Shawn Guo wrote: > From: Shawn Guo <shawn....@linaro.org> > > Some VOU modules do not work well with clock auto-gating. For example, > VGA I2C bus will fail to read EDID data from monitor. Let's not enable > this feature by default, and leave it to the possible future low-power > optimization. >
Reviewed-by: Sean Paul <seanp...@chromium.org> > Signed-off-by: Shawn Guo <shawn....@linaro.org> > --- > drivers/gpu/drm/zte/zx_vou.c | 3 --- > 1 file changed, 3 deletions(-) > > diff --git a/drivers/gpu/drm/zte/zx_vou.c b/drivers/gpu/drm/zte/zx_vou.c > index cf92d675feaa..2a2d90bd9425 100644 > --- a/drivers/gpu/drm/zte/zx_vou.c > +++ b/drivers/gpu/drm/zte/zx_vou.c > @@ -720,9 +720,6 @@ static void vou_hw_init(struct zx_vou_hw *vou) > /* Release reset for all VOU modules */ > zx_writel(vou->vouctl + VOU_SOFT_RST, ~0); > > - /* Enable clock auto-gating for all VOU modules */ > - zx_writel(vou->vouctl + VOU_CLK_REQEN, ~0); > - > /* Enable all VOU module clocks */ > zx_writel(vou->vouctl + VOU_CLK_EN, ~0); > > -- > 1.9.1 -- Sean Paul, Software Engineer, Google / Chromium OS _______________________________________________ dri-devel mailing list dri-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/dri-devel
