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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/0839-drm-amd-powerplay-add-hwmgr-callback-to-update-nbpst.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/0839-drm-amd-powerplay-add-hwmgr-callback-to-update-nbpst.patch47
1 files changed, 47 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/0839-drm-amd-powerplay-add-hwmgr-callback-to-update-nbpst.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/0839-drm-amd-powerplay-add-hwmgr-callback-to-update-nbpst.patch
new file mode 100644
index 00000000..c66061b0
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/0839-drm-amd-powerplay-add-hwmgr-callback-to-update-nbpst.patch
@@ -0,0 +1,47 @@
+From 1f81f70efebf013b3dcd36981fa94c45d7796ff6 Mon Sep 17 00:00:00 2001
+From: "Guttula, Suresh" <Suresh.Guttula@amd.com>
+Date: Fri, 16 Nov 2018 06:50:32 +0000
+Subject: [PATCH 0839/2940] drm/amd/powerplay:add hwmgr callback to update
+ nbpstate on Carrizo
+
+Add hwmgr callback "update_nbdpm_pstate".This will use to access
+"cz_nbdpm_pstate_enable_disable" function to enable/disable low
+memory pstate.
+
+Signed-off-by: suresh guttula <suresh.guttula@amd.com>
+Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
+Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c | 1 +
+ drivers/gpu/drm/amd/powerplay/inc/hwmgr.h | 3 +++
+ 2 files changed, 4 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
+index 53cf787560f7..553a203ac47c 100644
+--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu8_hwmgr.c
+@@ -1992,6 +1992,7 @@ static const struct pp_hwmgr_func smu8_hwmgr_funcs = {
+ .power_state_set = smu8_set_power_state_tasks,
+ .dynamic_state_management_disable = smu8_disable_dpm_tasks,
+ .notify_cac_buffer_info = smu8_notify_cac_buffer_info,
++ .update_nbdpm_pstate = smu8_nbdpm_pstate_enable_disable,
+ .get_thermal_temperature_range = smu8_get_thermal_temperature_range,
+ };
+
+diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+index 07d180ce4d18..fb0f96f7cdbc 100644
+--- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
++++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
+@@ -317,6 +317,9 @@ struct pp_hwmgr_func {
+ uint32_t mc_addr_low,
+ uint32_t mc_addr_hi,
+ uint32_t size);
++ int (*update_nbdpm_pstate)(struct pp_hwmgr *hwmgr,
++ bool enable,
++ bool lock);
+ int (*get_thermal_temperature_range)(struct pp_hwmgr *hwmgr,
+ struct PP_TemperatureRange *range);
+ int (*get_power_profile_mode)(struct pp_hwmgr *hwmgr, char *buf);
+--
+2.17.1
+