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Hi<br>
<br>
<div class="moz-cite-prefix">On Friday 16 January 2015 04:48 AM,
Rodrigo Vivi wrote:<br>
</div>
<blockquote
cite="mid:CABVU7+tb1oDssAkV5YsU2+_AxJfjh6pm27qJU0c_d80uh7bX4w@mail.gmail.com"
type="cite">
<pre wrap="">On Sun, Jan 11, 2015 at 4:40 AM, Chris Wilson <a class="moz-txt-link-rfc2396E" href="mailto:chris@chris-wilson.co.uk"><chris@chris-wilson.co.uk></a> wrote:
</pre>
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<pre wrap="">On Sat, Jan 10, 2015 at 02:26:04AM +0530, Vandana Kannan wrote:
</pre>
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<pre wrap="">Adding a debugfs entry to determine if DRRS is supported or not
Signed-off-by: Vandana Kannan <a class="moz-txt-link-rfc2396E" href="mailto:vandana.kannan@intel.com"><vandana.kannan@intel.com></a>
---
drivers/gpu/drm/i915/i915_debugfs.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index e515aad..544b4c3 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2825,6 +2825,23 @@ static int i915_ddb_info(struct seq_file *m, void *unused)
return 0;
}
+static int i915_drrs_status(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct intel_crtc *crtc;
+
+ for_each_intel_crtc(dev, crtc) {
+ if (crtc->active) {
</pre>
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<pre wrap="">
Don't you want to know which CRTC this is? Would this not be better
extending display_info with the extra CRTC status?
</pre>
<blockquote type="cite">
<pre wrap="">+ if (crtc->config.has_drrs)
</pre>
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</blockquote>
<pre wrap="">
Also it just shows if panel supports drrs, not if it is enabled...</pre>
</blockquote>
<small>Yes. We need to provide information on the platform's DRRS
capability, crtc<br>
and the current DRRS state (LOW_RR/HIGH_RR). I am working on the
same.</small>
<blockquote
cite="mid:CABVU7+tb1oDssAkV5YsU2+_AxJfjh6pm27qJU0c_d80uh7bX4w@mail.gmail.com"
type="cite">
<pre wrap="">
</pre>
<blockquote type="cite">
<blockquote type="cite">
<pre wrap="">+ seq_puts(m, "DRRS enabled");
+ else
+ seq_puts(m, "DRRS disabled");
+ }
+ }
</pre>
</blockquote>
<pre wrap="">-Chris
--
Chris Wilson, Intel Open Source Technology Centre
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</pre>
</blockquote>
<pre wrap="">
</pre>
</blockquote>
--Ram<br>
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