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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4729-drm-amdgpu-Get-real-power-source-to-initizlize-ac_po.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.14.71/4729-drm-amdgpu-Get-real-power-source-to-initizlize-ac_po.patch40
1 files changed, 40 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4729-drm-amdgpu-Get-real-power-source-to-initizlize-ac_po.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4729-drm-amdgpu-Get-real-power-source-to-initizlize-ac_po.patch
new file mode 100644
index 00000000..428e8cf8
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4729-drm-amdgpu-Get-real-power-source-to-initizlize-ac_po.patch
@@ -0,0 +1,40 @@
+From 7bac726cbf64d5dcea4cb03d9fbe161c30766abb Mon Sep 17 00:00:00 2001
+From: Rex Zhu <Rex.Zhu@amd.com>
+Date: Mon, 4 Jun 2018 18:26:18 +0800
+Subject: [PATCH 4729/5725] drm/amdgpu: Get real power source to initizlize
+ ac_power
+
+driver need to know the real power source to do some power
+related configuration when initialize.
+
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+index 3d23d8b..a847b42 100644
+--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+@@ -25,6 +25,7 @@
+ * Alex Deucher
+ * Jerome Glisse
+ */
++#include <linux/power_supply.h>
+ #include <linux/kthread.h>
+ #include <linux/console.h>
+ #include <linux/slab.h>
+@@ -2350,6 +2351,8 @@ int amdgpu_device_init(struct amdgpu_device *adev,
+ INIT_DELAYED_WORK(&adev->late_init_work,
+ amdgpu_device_ip_late_init_func_handler);
+
++ adev->pm.ac_power = power_supply_is_system_supplied() > 0 ? true : false;
++
+ /* Registers mapping */
+ /* TODO: block userspace mapping of io register */
+ if (adev->asic_type >= CHIP_BONAIRE) {
+--
+2.7.4
+