** Description changed:
- After updating to 5.0.0-25-generic kernel, battery life is considerably
- less and power consumption is about 10 watts more idle, using integrated
- graphics. This is a hybrid GPU laptop Intel HD 630/GP107M, and a
- possible cause is not powering off the dedicated GPU completely while
- using the integrated.
+ === SRU Justification ===
+ [Impact]
+ Some Nvidia graphics card has audio function in addition to video
+ function. When the video function is not bound to any driver, the audio
+ function can't be runtime suspended, hence preventing the power
+ resources from being turned off.
+
+ [Fix]
+ Allow Nvidia audio function to be runtime suspended.
+
+ [Test]
+ The user reported the fix works.
+
+ [Regression Potential]
+ Low. It only allows the audio function of discrete Nvidia GPU to be
+ runtime suspended. Regular audio or audio function with a discrete GPU
+ already bound to a driver are unaffected.
+
+ === Original Bug Report ===
+ After updating to 5.0.0-25-generic kernel, battery life is considerably less
and power consumption is about 10 watts more idle, using integrated graphics.
This is a hybrid GPU laptop Intel HD 630/GP107M, and a possible cause is not
powering off the dedicated GPU completely while using the integrated.
nvidia-driver-430
GP107M [GeForce GTX 1050 Mobile]
** Changed in: linux (Ubuntu)
Assignee: Kai-Heng Feng (kaihengfeng) => (unassigned)
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https://bugs.launchpad.net/bugs/1840835
Title:
High power consumption using 5.0.0-25-generic
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