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| author | Tim Wawrzynczak <twawrzynczak@chromium.org> | 2022-06-30 10:19:58 -0600 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-07-15 12:05:07 +0000 |
| commit | 17c77f5a86abc9ac6d9cbae029a793dfe1c4b9cb (patch) | |
| tree | d2b19bfb0770bfd5693c66d118dca5999734cd6b /src | |
| parent | fcfc5729470e3a3f3a7a304244ff6fad00ca058f (diff) | |
| download | coreboot-17c77f5a86abc9ac6d9cbae029a793dfe1c4b9cb.tar.gz coreboot-17c77f5a86abc9ac6d9cbae029a793dfe1c4b9cb.tar.bz2 coreboot-17c77f5a86abc9ac6d9cbae029a793dfe1c4b9cb.zip | |
mb/google/brya/var/agah: Disable ASPM for dGPU
Since ASPM is not verified as fully functional yet, and the board is
still in development, this patch disables ASPM for the dGPU.
BUG=b:236676400
TEST=boot to OS in agah, lspci -vvv shows ASPM is disabled
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Change-Id: I525eeb18c57d45fd55335b63a59262066afc9567
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65566
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ivy Jian <ivy.jian@quanta.corp-partner.google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/brya/variants/agah/overridetree.cb | 1 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/agah/variant.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/agah/overridetree.cb b/src/mainboard/google/brya/variants/agah/overridetree.cb index 550dab60fbd8..a50a9d4cb818 100644 --- a/src/mainboard/google/brya/variants/agah/overridetree.cb +++ b/src/mainboard/google/brya/variants/agah/overridetree.cb @@ -71,6 +71,7 @@ chip soc/intel/alderlake .clk_req = 0, .clk_src = 0, .flags = PCIE_RP_LTR | PCIE_RP_AER, + .pcie_rp_aspm = ASPM_DISABLE }" device pci 00.0 alias dgpu on end end diff --git a/src/mainboard/google/brya/variants/agah/variant.c b/src/mainboard/google/brya/variants/agah/variant.c index b0baab356b3a..437fdc4c5109 100644 --- a/src/mainboard/google/brya/variants/agah/variant.c +++ b/src/mainboard/google/brya/variants/agah/variant.c @@ -132,6 +132,10 @@ static void dgpu_power_sequence_on(void) void variant_init(void) { + /* Disable ASPM for the GPU until it is verified working. */ + struct device *dgpu = DEV_PTR(dgpu); + dgpu->disable_pcie_aspm = 1; + if (acpi_is_wakeup_s3()) return; |