diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4549-drm-amdgpu-add-baco-support-to-runtime-suspend-resum.patch')
-rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4549-drm-amdgpu-add-baco-support-to-runtime-suspend-resum.patch | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4549-drm-amdgpu-add-baco-support-to-runtime-suspend-resum.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4549-drm-amdgpu-add-baco-support-to-runtime-suspend-resum.patch new file mode 100644 index 00000000..8c3a8edd --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/4549-drm-amdgpu-add-baco-support-to-runtime-suspend-resum.patch @@ -0,0 +1,53 @@ +From 7c67e9f1b6ee307d0470a82e31b21936d3724e4f Mon Sep 17 00:00:00 2001 +From: Alex Deucher <alexander.deucher@amd.com> +Date: Fri, 4 Oct 2019 12:54:12 -0500 +Subject: [PATCH 4549/4736] drm/amdgpu: add baco support to runtime + suspend/resume + +BACO - Bus Active, Chip Off + +This adds the necessary support to the runtime suspend +and resume functions to handle boards that support +baco. + +Reviewed-by: Evan Quan <evan.quan@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 7 ++++++- + 1 file changed, 6 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +index db41bdba954e..036e253def85 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +@@ -1200,7 +1200,8 @@ static int amdgpu_pmops_resume(struct device *dev) + struct drm_device *drm_dev = dev_get_drvdata(dev); + + /* GPU comes up enabled by the bios on resume */ +- if (amdgpu_device_supports_boco(drm_dev)) { ++ if (amdgpu_device_supports_boco(drm_dev) || ++ amdgpu_device_supports_baco(drm_dev)) { + pm_runtime_disable(dev); + pm_runtime_set_active(dev); + pm_runtime_enable(dev); +@@ -1267,6 +1268,8 @@ static int amdgpu_pmops_runtime_suspend(struct device *dev) + else if (!amdgpu_has_atpx_dgpu_power_cntl()) + pci_set_power_state(pdev, PCI_D3hot); + drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF; ++ } else if (amdgpu_device_supports_baco(drm_dev)) { ++ amdgpu_device_baco_enter(drm_dev); + } + + return 0; +@@ -1292,6 +1295,8 @@ static int amdgpu_pmops_runtime_resume(struct device *dev) + if (ret) + return ret; + pci_set_master(pdev); ++ } else if (amdgpu_device_supports_baco(drm_dev)) { ++ amdgpu_device_baco_exit(drm_dev); + } + ret = amdgpu_device_resume(drm_dev, false, false); + drm_kms_helper_poll_enable(drm_dev); +-- +2.17.1 + |