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drivers/gfx/nvidia: Adjust GC6 timings#257

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crawfxrd wants to merge 1 commit intosystem76from
gc6o-delays
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drivers/gfx/nvidia: Adjust GC6 timings#257
crawfxrd wants to merge 1 commit intosystem76from
gc6o-delays

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@crawfxrd crawfxrd commented May 29, 2025

  • GC6I
    • Increase delay between entering L2 and asserting RST# to allow more time for rails to come down
    • Remove delay after asserting RST#
  • GC6O
    • Increase delay between de-asserting RST# and entering L0 to ensure that power is up and stable
    • Check for vendor ID to known when device is ready on the bus to continue as soon as possible
      • what Clevo and Google firmware do

@crawfxrd crawfxrd requested a review from jackpot51 May 29, 2025 20:35
@crawfxrd crawfxrd marked this pull request as ready for review July 2, 2025 14:51
@crawfxrd crawfxrd requested a review from a team July 2, 2025 14:57
- GC6I
  - Increase delay between entering L2 and asserting RST# to allow more
    time for rails to come down
  - Remove delay after asserting RST#
- GC6O
  - Increase delay between de-asserting RST# and entering L0 to ensure
    that power is up and stable
  - Check for vendor ID to known when device is ready on the bus to
    continue as soon as possible

Change-Id: I4f18a1b201e9ec610f93814fc2c8f1e12faa14fd
Signed-off-by: Tim Crawford <tcrawford@system76.com>
@crawfxrd crawfxrd changed the title drivers/gfx/nvidia: Adjust GC6 Exit timings drivers/gfx/nvidia: Adjust GC6 timings Jul 11, 2025
@crawfxrd crawfxrd closed this Aug 21, 2025
@crawfxrd crawfxrd deleted the gc6o-delays branch August 21, 2025 14:58
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