All of lore.kernel.org
 help / color / mirror / Atom feed
From: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
To: <hdegoede@redhat.com>, <ilpo.jarvinen@linux.intel.com>,
	<markgross@kernel.org>
Cc: <Sanket.Goswami@amd.com>, <mario.limonciello@amd.com>,
	<platform-driver-x86@vger.kernel.org>,
	Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Subject: [PATCH 1/6] platform/x86/amd/pmc: Send OS_HINT command for AMDI000A platform
Date: Tue, 26 Dec 2023 13:49:57 +0530	[thread overview]
Message-ID: <20231226082002.1778545-2-Shyam-sundar.S-k@amd.com> (raw)
In-Reply-To: <20231226082002.1778545-1-Shyam-sundar.S-k@amd.com>

To initiate the HW deep state transistion the OS_HINT command has to be
sent the PMFW. Add this support to the platforms that has AMDI000A
support.

Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com>
Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
---
 drivers/platform/x86/amd/pmc/pmc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/x86/amd/pmc/pmc.c b/drivers/platform/x86/amd/pmc/pmc.c
index c3104714b480..bad95d3ce2a1 100644
--- a/drivers/platform/x86/amd/pmc/pmc.c
+++ b/drivers/platform/x86/amd/pmc/pmc.c
@@ -761,6 +761,7 @@ static int amd_pmc_get_os_hint(struct amd_pmc_dev *dev)
 	case AMD_CPU_ID_YC:
 	case AMD_CPU_ID_CB:
 	case AMD_CPU_ID_PS:
+	case PCI_DEVICE_ID_AMD_1AH_M20H_ROOT:
 		return MSG_OS_HINT_RN;
 	}
 	return -EINVAL;
-- 
2.25.1


  reply	other threads:[~2023-12-26  8:20 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-12-26  8:19 [PATCH 0/6] platform/x86/amd/pmc: Updates to amd-pmc driver Shyam Sundar S K
2023-12-26  8:19 ` Shyam Sundar S K [this message]
2023-12-26  8:19 ` [PATCH 2/6] platform/x86/amd/pmc: Add VPE information for AMDI000A platform Shyam Sundar S K
2023-12-26  8:19 ` [PATCH 3/6] platform/x86/amd/pmc: call amd_pmc_get_ip_info() during driver probe Shyam Sundar S K
2023-12-26  8:20 ` [PATCH 4/6] platform/x86/amd/pmc: Add idlemask support for 20h family Shyam Sundar S K
2023-12-26  8:20 ` [PATCH 5/6] platform/x86/amd/pmc: Add 20h family series to STB support list Shyam Sundar S K
2023-12-26  8:20 ` [PATCH 6/6] platform/x86/amd/pmc: Modify SMU message port for latest AMD platform Shyam Sundar S K
2023-12-27  6:34 ` [PATCH 0/6] platform/x86/amd/pmc: Updates to amd-pmc driver Shyam Sundar S K

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20231226082002.1778545-2-Shyam-sundar.S-k@amd.com \
    --to=shyam-sundar.s-k@amd.com \
    --cc=Sanket.Goswami@amd.com \
    --cc=hdegoede@redhat.com \
    --cc=ilpo.jarvinen@linux.intel.com \
    --cc=mario.limonciello@amd.com \
    --cc=markgross@kernel.org \
    --cc=platform-driver-x86@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.