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authorRobert Zieba <robertzieba@google.com>2022-01-19 14:15:24 -0700
committerFelix Held <felix-coreboot@felixheld.de>2022-03-23 19:37:36 +0000
commite2bde83a518d10fc6eaa7edca507daf271fdcf0a (patch)
tree3321d68cbeff8d57ee3c5b20888e0cc5b27e28bf /README.md
parente58de0db450027f2f71c468d71b91d0b297a758f (diff)
soc/amd/cezanne: Turn off gpp clock request for disabled devices
The current behavior does not actually check if a device is present before enabling the corresponding gpp_clkx_clock_request_mapping bits which may cause issues with L1SS. This change sets the corresponding gpp_clkx_clock_request_mapping to off if the corresponding device is disabled. BUG=b:202252869 TEST=Checked that value of GPP_CLK_CNTRL matched the expected value when devices are enabled/disabled, checked that physically removing a device that is marked as enabled also disables the corresponding clk req BRANCH=guybrush Signed-off-by: Robert Zieba <robertzieba@google.com> Change-Id: I77389372c60bdec572622a3b49484d4789fd4e4c Reviewed-on: https://review.coreboot.org/c/coreboot/+/61259 Reviewed-by: Felix Held <felix-coreboot@felixheld.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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