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      <base href="https://bugs.freedesktop.org/">
    </head>
    <body><span class="vcard"><a class="email" href="mailto:fourdollars@gmail.com" title="Shih-Yuan Lee <fourdollars@gmail.com>"> <span class="fn">Shih-Yuan Lee</span></a>
</span> changed
          <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - `vblank_mode=0 DRI_PRIME=1 glxgears` will introduce GPU lock up on Intel Graphics [8086:5917] + AMD Graphics [1002:6665] (rev c3)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=103370">bug 103370</a>
          <br>
             <table border="1" cellspacing="0" cellpadding="8">
          <tr>
            <th>What</th>
            <th>Removed</th>
            <th>Added</th>
          </tr>

         <tr>
           <td style="text-align:right;">Resolution</td>
           <td>---
           </td>
           <td>FIXED
           </td>
         </tr>

         <tr>
           <td style="text-align:right;">Status</td>
           <td>NEW
           </td>
           <td>RESOLVED
           </td>
         </tr></table>
      <p>
        <div>
            <b><a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - `vblank_mode=0 DRI_PRIME=1 glxgears` will introduce GPU lock up on Intel Graphics [8086:5917] + AMD Graphics [1002:6665] (rev c3)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=103370#c46">Comment # 46</a>
              on <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - `vblank_mode=0 DRI_PRIME=1 glxgears` will introduce GPU lock up on Intel Graphics [8086:5917] + AMD Graphics [1002:6665] (rev c3)"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=103370">bug 103370</a>
              from <span class="vcard"><a class="email" href="mailto:fourdollars@gmail.com" title="Shih-Yuan Lee <fourdollars@gmail.com>"> <span class="fn">Shih-Yuan Lee</span></a>
</span></b>
        <pre>The Linux kernel of <a href="show_bug.cgi?id=103370#c45">Comment 45</a> is 4.15.0-10.11 from Ubuntu 18.04.
When I tried a later version 4.15.0-12.13, I can not reduplicate this issue on
Ubuntu 18.04.
4.15.0-12.13 contains the following commit.

commit 239b5f64e12b1f09f506c164dff0374924782979
Author: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
Date:   Tue Nov 21 12:09:38 2017 -0500

    drm/radeon: Add dpm quirk for Jet PRO (v2)

    Fixes stability issues.

    v2: clamp sclk to 600 Mhz

    Bug: <a class="bz_bug_link 
          bz_status_RESOLVED  bz_closed"
   title="RESOLVED FIXED - `vblank_mode=0 DRI_PRIME=1 glxgears` will introduce GPU lock up on Intel Graphics [8086:5917] + AMD Graphics [1002:6665] (rev c3)"
   href="show_bug.cgi?id=103370">https://bugs.freedesktop.org/show_bug.cgi?id=103370</a>
    Acked-by: Christian König <<a href="mailto:christian.koenig@amd.com">christian.koenig@amd.com</a>>
    Signed-off-by: Alex Deucher <<a href="mailto:alexander.deucher@amd.com">alexander.deucher@amd.com</a>>
    Cc: <a href="mailto:stable@vger.kernel.org">stable@vger.kernel.org</a>

diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index ee3e742..97a0a63 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2984,6 +2984,11 @@ static void si_apply_state_adjust_rules(struct
radeon_device *rdev,
                    (rdev->pdev->device == 0x6667)) {
                        max_sclk = 75000;
                }
+               if ((rdev->pdev->revision == 0xC3) ||
+                   (rdev->pdev->device == 0x6665)) {
+                       max_sclk = 60000;
+                       max_mclk = 80000;
+               }
        } else if (rdev->family == CHIP_OLAND) {
                if ((rdev->pdev->revision == 0xC7) ||
                    (rdev->pdev->revision == 0x80) ||</pre>
        </div>
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