[PATCH v2] tests/testdisplay: Specify the display.

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Thanks
    --Sun, Yi

> -----Original Message-----
> From: Ben Widawsky [mailto:ben at bwidawsk.net]
> Sent: Thursday, December 27, 2012 2:56 AM
> To: Sun, Yi
> Cc: intel-gfx at lists.freedesktop.org
> Subject: Re: [PATCH v2] tests/testdisplay: Specify the display.
> 
> On Wed, 26 Dec 2012 17:22:57 +0800
> Yi Sun <yi.sun at intel.com> wrote:
> 
> > It can specify the display when use option '-o'.
> > E.g. command "./testdiplay -o 1,4" means setting number 4 mode line on the
> number 1 display.
> >
> > v2. Specify the display by id which can be got from option '-i'
> 
> where?
[Sun, Yi] Run ./testdisplay -i , we can got following:
Connectors:
id      encoder status          type    size (mm)       modes
7       0       disconnected    VGA     0x0             0
10      0       disconnected    HDMI-A  0x0             0
13      0       disconnected    DisplayPort     0x0             0
16      0       disconnected    HDMI-A  0x0             0
18      17      connected       HDMI-A  480x270         31
  modes:
  name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot flags type clock
......

I meant we can specify a display by the connector id which list as the first column.

Thanks
	--Sun, Yi

> 
> >
> > Signed-off-by: Yi Sun <yi.sun at intel.com>
> >
> > diff --git a/tests/testdisplay.c b/tests/testdisplay.c index
> > 7287487..7aef940 100644
> > --- a/tests/testdisplay.c
> > +++ b/tests/testdisplay.c
> > @@ -72,7 +72,7 @@ int dump_info = 0, test_all_modes =0,
> > test_preferred_mode = 0, force_mode = 0,  int sleep_between_modes = 5;
> > uint32_t depth = 24, stride, bpp;  int qr_code = 0; -int only_one_mode
> > = 0, specified_mode_num = 0;
> > +int only_one_mode = 0, specified_mode_num = 0, specified_disp_id = 0;
> >
> >  drmModeModeInfo force_timing;
> >
> > @@ -598,6 +598,9 @@ int update_display(void)
> >  		/* Find any connected displays */
> >  		for (c = 0; c < resources->count_connectors; c++) {
> >  			connectors[c].id = resources->connectors[c];
> > +			if ( connectors[c].id != specified_disp_id )
> > +				continue;
> > +
> >  			set_mode(&connectors[c]);
> >  		}
> >  	}
> > @@ -618,7 +621,7 @@ static void __attribute__((noreturn)) usage(char
> *name)
> >  	fprintf(stderr, "\t-m\ttest the preferred mode\n");
> >  	fprintf(stderr, "\t-t\tuse a tiled framebuffer\n");
> >  	fprintf(stderr, "\t-r\tprint a QR code on the screen whose content is
> \"pass\" for the automatic test\n");
> > -	fprintf(stderr, "\t-o\t<number of the mode>\tonly test specified mode\n");
> > +	fprintf(stderr, "\t-o\t<id of the display>,<number of the
> > +mode>\tonly test specified mode on the specified display\n");
> >  	fprintf(stderr, "\t-f\t<clock
> MHz>,<hdisp>,<hsync-start>,<hsync-end>,<htotal>,\n");
> >  	fprintf(stderr, "\t\t<vdisp>,<vsync-start>,<vsync-end>,<vtotal>\n");
> >  	fprintf(stderr, "\t\ttest force mode\n"); @@ -715,7 +718,7 @@ int
> > main(int argc, char **argv)
> >  			break;
> >  		case 'o':
> >  			only_one_mode = 1;
> > -			specified_mode_num = atoi(optarg);
> > +			sscanf(optarg, "%d,%d", &specified_disp_id,
> &specified_mode_num);
> >  			break;
> >  		default:
> >  			fprintf(stderr, "unknown option %c\n", c);
> 
> 
> 
> --
> Ben Widawsky, Intel Open Source Technology Center


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