diff options
Diffstat (limited to 'sys-kernel_arch-sources-g14_files-9002-amd-pmc-delay-test.patch')
| -rw-r--r-- | sys-kernel_arch-sources-g14_files-9002-amd-pmc-delay-test.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/sys-kernel_arch-sources-g14_files-9002-amd-pmc-delay-test.patch b/sys-kernel_arch-sources-g14_files-9002-amd-pmc-delay-test.patch new file mode 100644 index 000000000000..5c1d59cc0ddf --- /dev/null +++ b/sys-kernel_arch-sources-g14_files-9002-amd-pmc-delay-test.patch @@ -0,0 +1,44 @@ +From 47e5da763d58a3b6657e2a716130a470e1deee2f Mon Sep 17 00:00:00 2001 +From: Scott B <28817345+foundObjects@users.noreply.github.com> +Date: Wed, 25 Aug 2021 07:35:52 -0700 +Subject: [PATCH] amd-pmc delay test + +--- + drivers/platform/x86/amd-pmc.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +diff --git a/drivers/platform/x86/amd-pmc.c b/drivers/platform/x86/amd-pmc.c +index 52a88c9bc0ab..336303e963c5 100644 +--- a/drivers/platform/x86/amd-pmc.c ++++ b/drivers/platform/x86/amd-pmc.c +@@ -71,7 +71,7 @@ + #define AMD_CPU_ID_YC 0x14B5 + + #define PMC_MSG_DELAY_MIN_US 100 +-#define RESPONSE_REGISTER_LOOP_MAX 200 ++#define RESPONSE_REGISTER_LOOP_MAX 2000 + + #define SOC_SUBSYSTEM_IP_MAX 12 + #define DELAY_MIN_US 2000 +@@ -283,12 +283,18 @@ static int amd_pmc_send_cmd(struct amd_pmc_dev *dev, bool set, u32 *data, u8 msg + /* Write zero to response register */ + amd_pmc_reg_write(dev, AMD_PMC_REGISTER_RESPONSE, 0); + ++ udelay(500); ++ + /* Write argument into response register */ + amd_pmc_reg_write(dev, AMD_PMC_REGISTER_ARGUMENT, set); + ++ udelay(500); ++ + /* Write message ID to message ID register */ + amd_pmc_reg_write(dev, AMD_PMC_REGISTER_MESSAGE, msg); + ++ udelay(500); ++ + /* Wait until we get a valid response */ + rc = readx_poll_timeout(ioread32, dev->regbase + AMD_PMC_REGISTER_RESPONSE, + val, val != 0, PMC_MSG_DELAY_MIN_US, +-- +2.33.0 + |