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Box" To: irenic.rajneesh@gmail.com, david.e.box@linux.intel.com, hdegoede@redhat.com, markgross@kernel.org, ilpo.jarvinen@linux.intel.com Cc: platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] platform/x86/intel/pmc/mtl: Put devices in D3 during resume Date: Fri, 2 Jun 2023 16:21:42 -0700 Message-Id: <20230602232142.278155-2-david.e.box@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230602232142.278155-1-david.e.box@linux.intel.com> References: <20230602232142.278155-1-david.e.box@linux.intel.com> MIME-Version: 1.0 X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1767635765599893125?= X-GMAIL-MSGID: =?utf-8?q?1767635765599893125?= An earlier commit placed some driverless devices in D3 during boot so that they don't block package cstate entry. Also place these devices in D3 after resume from suspend. Fixes: 336ba968d3e3 ("platform/x86/intel/pmc/mtl: Put GNA/IPU/VPU devices in D3") Signed-off-by: David E. Box --- drivers/platform/x86/intel/pmc/mtl.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/platform/x86/intel/pmc/mtl.c b/drivers/platform/x86/intel/pmc/mtl.c index e8cc156412ce..d87c4597c6d4 100644 --- a/drivers/platform/x86/intel/pmc/mtl.c +++ b/drivers/platform/x86/intel/pmc/mtl.c @@ -68,11 +68,8 @@ static void mtl_set_device_d3(unsigned int device) } } -void mtl_core_init(struct pmc_dev *pmcdev) +static void mtl_fixup(void) { - pmcdev->map = &mtl_reg_map; - pmcdev->core_configure = mtl_core_configure; - /* * Set power state of select devices that do not have drivers to D3 * so that they do not block Package C entry. @@ -81,3 +78,13 @@ void mtl_core_init(struct pmc_dev *pmcdev) mtl_set_device_d3(MTL_IPU_PCI_DEV); mtl_set_device_d3(MTL_VPU_PCI_DEV); } + +void mtl_core_init(struct pmc_dev *pmcdev) +{ + pmcdev->map = &mtl_reg_map; + pmcdev->core_configure = mtl_core_configure; + + mtl_fixup(); + + pmcdev->resume_fixup = mtl_fixup; +}