Re: [PATCH i-g-t v2 05/14] lib/igt_kms: Allow setting any output property through the !atomic paths

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Reviewed-by: Mika Kahola <mika.kahola@xxxxxxxxx>

On Thu, 2017-10-12 at 13:54 +0200, Maarten Lankhorst wrote:
> Everything except CRTC_ID can be set in the legacy paths,
> we even have 2, the legacy and universal path. Excercise both. :D
> 
> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> ---
>  lib/igt_kms.c | 53 +++++++++++++++++++++++++++++++++++++----------
> ------
>  1 file changed, 37 insertions(+), 16 deletions(-)
> 
> diff --git a/lib/igt_kms.c b/lib/igt_kms.c
> index be89632547e5..e7b9fbaba709 100644
> --- a/lib/igt_kms.c
> +++ b/lib/igt_kms.c
> @@ -2413,6 +2413,36 @@ static int igt_pipe_commit(igt_pipe_t *pipe,
>  	return 0;
>  }
>  
> +static int igt_output_commit(igt_output_t *output,
> +			     enum igt_commit_style s,
> +			     bool fail_on_error)
> +{
> +	int i, ret;
> +
> +	for (i = 0; i < IGT_NUM_CONNECTOR_PROPS; i++) {
> +		if (!igt_output_is_prop_changed(output, i))
> +			continue;
> +
> +		/* CRTC_ID is set by calling drmModeSetCrtc in the
> legacy path. */
> +		if (i == IGT_CONNECTOR_CRTC_ID)
> +			continue;
> +
> +		igt_assert(output->props[i]);
> +
> +		if (s == COMMIT_LEGACY)
> +			ret = drmModeConnectorSetProperty(output-
> >display->drm_fd, output->id,
> +							  output-
> >props[i], output->values[i]);
> +		else
> +			ret = drmModeObjectSetProperty(output-
> >display->drm_fd, output->id,
> +						       DRM_MODE_OBJE
> CT_CONNECTOR,
> +						       output-
> >props[i], output->values[i]);
> +
> +		CHECK_RETURN(ret, fail_on_error);
> +	}
> +
> +	return 0;
> +}
> +
>  static void
>  igt_pipe_replace_blob(igt_pipe_t *pipe, enum
> igt_atomic_crtc_properties prop, void *ptr, size_t length)
>  {
> @@ -2590,10 +2620,11 @@ display_commit_changed(igt_display_t
> *display, enum igt_commit_style s)
>  	for (i = 0; i < display->n_outputs; i++) {
>  		igt_output_t *output = &display->outputs[i];
>  
> -		if (s == COMMIT_ATOMIC)
> +		if (s != COMMIT_UNIVERSAL)
>  			output->changed = 0;
> -		else if (s != COMMIT_UNIVERSAL)
> -			igt_output_clear_prop_changed(output,
> IGT_CONNECTOR_CRTC_ID);
> +		else
> +			/* no modeset in universal commit, no change
> to crtc. */
> +			output->changed &= 1 <<
> IGT_CONNECTOR_CRTC_ID;
>  	}
>  }
>  
> @@ -2610,7 +2641,7 @@ static int do_display_commit(igt_display_t
> *display,
>  			     enum igt_commit_style s,
>  			     bool fail_on_error)
>  {
> -	int ret;
> +	int i, ret = 0;
>  	enum pipe pipe;
>  	LOG_INDENT(display, "commit");
>  
> @@ -2619,28 +2650,18 @@ static int do_display_commit(igt_display_t
> *display,
>  	if (s == COMMIT_ATOMIC) {
>  		ret = igt_atomic_commit(display,
> DRM_MODE_ATOMIC_ALLOW_MODESET, NULL);
>  	} else {
> -		int valid_outs = 0;
> -
>  		for_each_pipe(display, pipe) {
>  			igt_pipe_t *pipe_obj = &display-
> >pipes[pipe];
> -			igt_output_t *output =
> igt_pipe_get_output(pipe_obj);
> -
> -			if (output)
> -				valid_outs++;
>  
>  			ret = igt_pipe_commit(pipe_obj, s,
> fail_on_error);
>  			if (ret)
>  				break;
>  		}
>  
> -		if (valid_outs == 0) {
> -			LOG_UNINDENT(display);
> -
> -			return -1;
> -		}
> +		for (i = 0; !ret && i < display->n_outputs; i++)
> +			ret = igt_output_commit(&display-
> >outputs[i], s, fail_on_error);
>  	}
>  
> -
>  	LOG_UNINDENT(display);
>  	CHECK_RETURN(ret, fail_on_error);
>  
-- 
Mika Kahola - Intel OTC

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