On Tue, 2013-12-03 at 15:38 -0200, Paulo Zanoni wrote:
> From: Paulo Zanoni <paulo.r.zan...@intel.com>
>
> Don't try to set modes on two connectors that share the same encoder.
> That will just fail.
>
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=68463
> Signed-off-by: Paulo Zanoni <paulo.r.zan...@intel.com>
Looks ok:
Reviewed-by: Imre Deak <imre.d...@intel.com>
> ---
> tests/kms_setmode.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/tests/kms_setmode.c b/tests/kms_setmode.c
> index 3d18fc7..e1c9c5a 100644
> --- a/tests/kms_setmode.c
> +++ b/tests/kms_setmode.c
> @@ -275,6 +275,7 @@ static void setup_crtcs(drmModeRes *resources, struct
> connector_config *cconf,
> int crtc_count;
> bool config_valid;
> int i;
> + int encoder_usage_count[resources->count_encoders];
>
> i = 0;
> crtc_count = 0;
> @@ -337,6 +338,20 @@ static void setup_crtcs(drmModeRes *resources, struct
> connector_config *cconf,
> crtc++;
> }
>
> + memset(encoder_usage_count, 0, sizeof(encoder_usage_count));
> + for (i = 0; i < connector_count; i++) {
> + drmModeConnector *connector = cconf[i].connector;
> + drmModeEncoder *encoder;
> +
> + igt_assert(connector->count_encoders == 1);
> + encoder = drmModeGetEncoder(drm_fd, connector->encoders[0]);
> + encoder_usage_count[get_encoder_idx(resources, encoder)]++;
> + drmModeFreeEncoder(encoder);
> + }
> + for (i = 0; i < resources->count_encoders; i++)
> + if (encoder_usage_count[i] > 1)
> + config_valid = false;
> +
> *crtc_count_ret = crtc_count;
> *config_valid_ret = config_valid;
> }
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