Re: [PATCH] modetest: add the possibility to select the refresh frequency for a mode

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Hi Vincent,

Thank you for the patch.

On Friday 10 January 2014 11:02:33 Vincent ABRIOU wrote:
> When mode is selected we only give the name of the mode as parameter.
> But sometime, two different modes have the same name but not
> the same vrefresh frequency.
> This patch give the possibility to select a mode by its name
> and optionally by its refresh frequency.
> 
> Signed-off-by: Vincent Abriou <vincent.abriou@xxxxxx>

Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>

> ---
>  tests/modetest/modetest.c |   35 +++++++++++++++++++++++++++--------
>  1 file changed, 27 insertions(+), 8 deletions(-)
> 
> diff --git a/tests/modetest/modetest.c b/tests/modetest/modetest.c
> index 51c4e6d..bc9c998 100644
> --- a/tests/modetest/modetest.c
> +++ b/tests/modetest/modetest.c
> @@ -693,6 +693,7 @@ struct pipe_arg {
>  	uint32_t crtc_id;
>  	char mode_str[64];
>  	char format_str[5];
> +	unsigned int vrefresh;
>  	unsigned int fourcc;
>  	drmModeModeInfo *mode;
>  	struct crtc *crtc;
> @@ -714,7 +715,8 @@ struct plane_arg {
>  };
> 
>  static drmModeModeInfo *
> -connector_find_mode(struct device *dev, uint32_t con_id, const char
> *mode_str) +connector_find_mode(struct device *dev, uint32_t con_id, const
> char *mode_str, +        const unsigned int vrefresh)
>  {
>  	drmModeConnector *connector;
>  	drmModeModeInfo *mode;
> @@ -726,8 +728,16 @@ connector_find_mode(struct device *dev, uint32_t
> con_id, const char *mode_str)
> 
>  	for (i = 0; i < connector->count_modes; i++) {
>  		mode = &connector->modes[i];
> -		if (!strcmp(mode->name, mode_str))
> -			return mode;
> +		if (!strcmp(mode->name, mode_str)) {
> +			/* If the vertical refresh frequency is not specified then return 
the
> +			 * first mode that match with the name. Else, return the mode 
that match
> +			 * the name and the specified vertical refresh frequency.
> +			 */
> +			if (vrefresh == 0)
> +				return mode;
> +			else if (mode->vrefresh == vrefresh)
> +				return mode;
> +		}
>  	}
> 
>  	return NULL;
> @@ -789,7 +799,7 @@ static int pipe_find_crtc_and_mode(struct device *dev,
> struct pipe_arg *pipe)
> 
>  	for (i = 0; i < (int)pipe->num_cons; i++) {
>  		mode = connector_find_mode(dev, pipe->con_ids[i],
> -					   pipe->mode_str);
> +					   pipe->mode_str, pipe->vrefresh);
>  		if (mode == NULL) {
>  			fprintf(stderr,
>  				"failed to find mode \"%s\" for connector %u\n",
> @@ -1059,8 +1069,8 @@ static void set_mode(struct device *dev, struct
> pipe_arg *pipes, unsigned int co if (pipe->mode == NULL)
>  			continue;
> 
> -		printf("setting mode %s@%s on connectors ",
> -		       pipe->mode_str, pipe->format_str);
> +		printf("setting mode %s-%dHz@%s on connectors ",
> +		       pipe->mode_str, pipe->mode->vrefresh, pipe->format_str);
>  		for (j = 0; j < pipe->num_cons; ++j)
>  			printf("%u, ", pipe->con_ids[j]);
>  		printf("crtc %d\n", pipe->crtc->crtc->crtc_id);
> @@ -1192,6 +1202,7 @@ static int parse_connector(struct pipe_arg *pipe,
> const char *arg) const char *p;
>  	char *endp;
> 
> +	pipe->vrefresh = 0;
>  	pipe->crtc_id = (uint32_t)-1;
>  	strcpy(pipe->format_str, "XR24");
> 
> @@ -1226,11 +1237,19 @@ static int parse_connector(struct pipe_arg *pipe,
> const char *arg)
> 
>  	arg = endp + 1;
> 
> -	p = strchrnul(arg, '@');
> +	/* Search for the vertical refresh or the format. */
> +	p = strpbrk(arg, "-@");
> +	if (p == NULL)
> +		p = arg + strlen(arg);
>  	len = min(sizeof pipe->mode_str - 1, (unsigned int)(p - arg));
>  	strncpy(pipe->mode_str, arg, len);
>  	pipe->mode_str[len] = '\0';
> 
> +	if (*p == '-') {
> +		pipe->vrefresh = strtoul(p + 1, &endp, 10);
> +		p = endp;
> +	}
> +
>  	if (*p == '@') {
>  		strncpy(pipe->format_str, p + 1, 4);
>  		pipe->format_str[4] = '\0';
> @@ -1323,7 +1342,7 @@ static void usage(char *name)
> 
>  	fprintf(stderr, "\n Test options:\n\n");
>  	fprintf(stderr, "\t-P
> <crtc_id>:<w>x<h>[+<x>+<y>][*<scale>][@<format>]\tset a plane\n");
> -	fprintf(stderr, "\t-s
> <connector_id>[,<connector_id>][@<crtc_id>]:<mode>[@<format>]\tset a
> mode\n"); +	fprintf(stderr, "\t-s
> <connector_id>[,<connector_id>][@<crtc_id>]:<mode>[-<vrefresh>][@<format>]\
> tset a mode\n"); fprintf(stderr, "\t-v\ttest vsynced page flipping\n");
>  	fprintf(stderr, "\t-w <obj_id>:<prop_name>:<value>\tset property\n");
-- 
Regards,

Laurent Pinchart

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