Re: [PATCH v5] drm/i915: pass ELD to HDMI/DP audio driver

[Wu Fengguang <fengguang.wu@intel.com>]

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Hi Christopher,

> Now, onto the intel-gpu-tools test. I ran intel_audio_dump as requested 
> and it only comes back with "Couldn't map MMIO region: No such file or 
> directory". I spent 10 minutes looking around on Google to no avail. It 
> seems it tries to mmap() something that doesn't exist.

What if you run it with

        export HAS_PCH_SPLIT=1
        intel_audio_dump

I also queued a patch for the tool. Note that if the above trick
failed to work, the applied patch won't help, too.

Thanks,
Fengguang

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Subject: intel_audio_dump: fix CPT detection logic
Date: Wed Nov 02 17:16:39 CST 2011


Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
 tools/intel_audio_dump.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- intel-gpu-tools.orig/tools/intel_audio_dump.c	2011-11-09 10:35:35.000000000 +0800
+++ intel-gpu-tools/tools/intel_audio_dump.c	2011-11-09 10:35:35.000000000 +0800
@@ -1194,7 +1194,7 @@ int main(int argc, char **argv)
 	else
 		intel_get_mmio(pci_dev);
 
-	if (HAS_PCH_SPLIT(devid) || getenv("HAS_PCH_SPLIT")) {
+	if (IS_GEN6(devid) || IS_GEN7(devid) || getenv("HAS_PCH_SPLIT")) {
 		intel_check_pch();
 		dump_cpt();
 	} else if (IS_GEN5(devid))

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