Re: [PATCH 2/3] drm/vc4: Don't disable DSI clocks on component unload.
From: Boris Brezillon
Date: Fri Aug 04 2017 - 06:02:47 EST
On Wed, 2 Aug 2017 13:32:41 -0700
Eric Anholt <eric@xxxxxxxxxx> wrote:
> The clocks are enabled/disabled at encoder enable/disable time, not at
> component load. Fixes a WARN_ON at boot if V3D fails to probe.
>
> Fixes: 4078f5757144 ("drm/vc4: Add DSI driver")
> Signed-off-by: Eric Anholt <eric@xxxxxxxxxx>
Reviewed-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/vc4/vc4_dsi.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
> index 629d372633e6..13481bb6322f 100644
> --- a/drivers/gpu/drm/vc4/vc4_dsi.c
> +++ b/drivers/gpu/drm/vc4/vc4_dsi.c
> @@ -1641,9 +1641,6 @@ static void vc4_dsi_unbind(struct device *dev, struct device *master,
>
> mipi_dsi_host_unregister(&dsi->dsi_host);
>
> - clk_disable_unprepare(dsi->pll_phy_clock);
> - clk_disable_unprepare(dsi->escape_clock);
> -
> if (dsi->port == 1)
> vc4->dsi1 = NULL;
> }