2013/8/13 Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>:
> After computing the stage changes for the set_config, record those in
> the debug log.
>
> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
I've already written different versions of this patch when debugging
things in the past. Definitely useful.
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/intel_display.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> index a21f935..4f9c3d8 100644
> --- a/drivers/gpu/drm/i915/intel_display.c
> +++ b/drivers/gpu/drm/i915/intel_display.c
> @@ -8884,6 +8884,9 @@ intel_set_config_compute_mode_changes(struct drm_mode_set *set,
> drm_mode_debug_printmodeline(set->mode);
> config->mode_changed = true;
> }
> +
> + DRM_DEBUG_KMS("computed changes for [CRTC:%d], mode_changed=%d, fb_changed=%d\n",
> + set->crtc->base.id, config->mode_changed, config->fb_changed);
> }
>
> static int
> --
> 1.7.9.5
>
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--
Paulo Zanoni
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