2017-11-23 08:02:06

by Daniel Vetter

[permalink] [raw]
Subject: Re: [Intel-gfx] [PATCH] drm/i915: Avoid enum conversion warning

On Wed, Nov 22, 2017 at 11:50:48PM -0800, Nick Desaulniers wrote:
> Fixes the following enum conversion warning:
>
> drivers/gpu/drm/i915/intel_ddi.c:1481:30: error: implicit conversion
> from enumeration type 'enum port' to different enumeration type 'enum
> intel_dpll_id' [-Werror,-Wenum-conversion]
> enum intel_dpll_id pll_id = port;
> ~~~~~~ ^~~~
>
> Signed-off-by: Nick Desaulniers <[email protected]>
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
> index 933c18fd4258..f9de45316901 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -1478,7 +1478,7 @@ static void bxt_ddi_clock_get(struct intel_encoder *encoder,
> {
> struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
> enum port port = intel_ddi_get_encoder_port(encoder);
> - enum intel_dpll_id pll_id = port;
> + uint32_t pll_id = port;

Please do a cast instead of dropping the dpll enum annotation. Just
shutting up compilers doesn't really help anyone.
-Daniel
>
> pipe_config->port_clock = bxt_calc_pll_link(dev_priv, pll_id);
>
> --
> 2.14.1
>
> _______________________________________________
> Intel-gfx mailing list
> [email protected]
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx

--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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