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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1574-drm-amd-powerplay-correct-power-reading-on-fiji.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/1574-drm-amd-powerplay-correct-power-reading-on-fiji.patch41
1 files changed, 41 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1574-drm-amd-powerplay-correct-power-reading-on-fiji.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1574-drm-amd-powerplay-correct-power-reading-on-fiji.patch
new file mode 100644
index 00000000..9cd9caae
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1574-drm-amd-powerplay-correct-power-reading-on-fiji.patch
@@ -0,0 +1,41 @@
+From 167bf1b482947d1f9ddefd2af713ece10a8ae332 Mon Sep 17 00:00:00 2001
+From: Evan Quan <evan.quan@amd.com>
+Date: Mon, 25 Feb 2019 16:44:36 +0800
+Subject: [PATCH 1574/2940] drm/amd/powerplay: correct power reading on fiji
+
+Set sampling period as 500ms to provide a smooth power
+reading output. Also, correct the register for power
+reading.
+
+Change-Id: I13935f3e7fcd026d34aa6a68cf7f683dc6785ab7
+Signed-off-by: Evan Quan <evan.quan@amd.com>
+Reviewed-by: Feifei Xu <Feifei.Xu@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+index 48187acac59e..83d3d935f3ac 100644
+--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c
+@@ -3491,14 +3491,14 @@ static int smu7_get_gpu_power(struct pp_hwmgr *hwmgr, u32 *query)
+
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogStart);
+ cgs_write_ind_register(hwmgr->device, CGS_IND_REG__SMC,
+- ixSMU_PM_STATUS_94, 0);
++ ixSMU_PM_STATUS_95, 0);
+
+ for (i = 0; i < 10; i++) {
+- mdelay(1);
++ mdelay(500);
+ smum_send_msg_to_smc(hwmgr, PPSMC_MSG_PmStatusLogSample);
+ tmp = cgs_read_ind_register(hwmgr->device,
+ CGS_IND_REG__SMC,
+- ixSMU_PM_STATUS_94);
++ ixSMU_PM_STATUS_95);
+ if (tmp != 0)
+ break;
+ }
+--
+2.17.1
+