Hi Benjamin,
Many thanks for this fix (and more generally for pushing STM patches on
misc :-)
Acked-by: Philippe Cornu <philippe.cornu@xxxxxx>
Philippe :-)
On 5/27/19 1:58 PM, Benjamin Gaignard wrote:
> From: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
>
> Restore calls to clk_{enable/disable} deleted after applying the wrong
> version of the patch
>
> Fixes: fd6905fca4f0 ("drm/stm: ltdc: remove clk_round_rate comment")
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
> ---
> drivers/gpu/drm/stm/ltdc.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/drm/stm/ltdc.c b/drivers/gpu/drm/stm/ltdc.c
> index ae2aaf2a62ee..ac29890edeb6 100644
> --- a/drivers/gpu/drm/stm/ltdc.c
> +++ b/drivers/gpu/drm/stm/ltdc.c
> @@ -507,10 +507,12 @@ static bool ltdc_crtc_mode_fixup(struct drm_crtc *crtc,
> struct ltdc_device *ldev = crtc_to_ltdc(crtc);
> int rate = mode->clock * 1000;
>
> + clk_disable(ldev->pixel_clk);
> if (clk_set_rate(ldev->pixel_clk, rate) < 0) {
> DRM_ERROR("Cannot set rate (%dHz) for pixel clk\n", rate);
> return false;
> }
> + clk_enable(ldev->pixel_clk);
>
> adjusted_mode->clock = clk_get_rate(ldev->pixel_clk) / 1000;
>
>
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