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Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.19.8/1449-drm-amd-powerplay-add-display_config_changed-for-SMU.patch')
-rw-r--r--common/recipes-kernel/linux/linux-yocto-4.19.8/1449-drm-amd-powerplay-add-display_config_changed-for-SMU.patch71
1 files changed, 71 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.19.8/1449-drm-amd-powerplay-add-display_config_changed-for-SMU.patch b/common/recipes-kernel/linux/linux-yocto-4.19.8/1449-drm-amd-powerplay-add-display_config_changed-for-SMU.patch
new file mode 100644
index 00000000..9d24e66b
--- /dev/null
+++ b/common/recipes-kernel/linux/linux-yocto-4.19.8/1449-drm-amd-powerplay-add-display_config_changed-for-SMU.patch
@@ -0,0 +1,71 @@
+From 8841cbb711eaa7b8ece13e201426b6ec4a932c87 Mon Sep 17 00:00:00 2001
+From: Chengming Gui <Jack.Gui@amd.com>
+Date: Thu, 17 Jan 2019 18:45:16 +0800
+Subject: [PATCH 1449/2940] drm/amd/powerplay: add display_config_changed for
+ SMU11.
+
+add display_config_changed to support sys interface for SMU11.
+
+Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
+Reviewed-by: Huang Rui <ray.huang@amd.com>
+Acked-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 42 ++++++++++++++++++++++
+ 1 file changed, 42 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+index 1908b91f22c6..0b13c9319fa9 100644
+--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
++++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+@@ -1376,6 +1376,48 @@ vega20_set_uclk_to_highest_dpm_level(struct smu_context *smu,
+ return ret;
+ }
+
++static int vega20_display_config_changed(struct smu_context *smu)
++{
++ int ret = 0;
++ struct vega20_dpm_table *dpm_table = smu->smu_dpm.dpm_context;
++
++ if (!smu->funcs)
++ return -EINVAL;
++
++ if (!smu->smu_dpm.dpm_context ||
++ !smu->smu_table.tables ||
++ !smu->smu_table.tables[TABLE_WATERMARKS].cpu_addr)
++ return -EINVAL;
++
++ smu_send_smc_msg_with_param(smu, SMU_MSG_NumOfDisplays, 0);
++ ret = vega20_set_uclk_to_highest_dpm_level(smu,
++ &dpm_table->mem_table);
++ if (ret) {
++ pr_err("Failed to set uclk to highest dpm level");
++ return ret;
++ }
++
++ if ((smu->watermarks_bitmap & WATERMARKS_EXIST) &&
++ !(smu->watermarks_bitmap & WATERMARKS_LOADED)) {
++ ret = smu->funcs->write_watermarks_table(smu);
++ if (ret) {
++ pr_err("Failed to update WMTABLE!");
++ return ret;
++ }
++ smu->watermarks_bitmap |= WATERMARKS_LOADED;
++ }
++
++ if ((smu->watermarks_bitmap & WATERMARKS_EXIST) &&
++ smu_feature_is_supported(smu, FEATURE_DPM_DCEFCLK_BIT) &&
++ smu_feature_is_supported(smu, FEATURE_DPM_SOCCLK_BIT)) {
++ smu_send_smc_msg_with_param(smu,
++ SMU_MSG_NumOfDisplays,
++ smu->display_config->num_display);
++ }
++
++ return ret;
++}
++
+ static const struct pptable_funcs vega20_ppt_funcs = {
+ .alloc_dpm_context = vega20_allocate_dpm_context,
+ .store_powerplay_table = vega20_store_powerplay_table,
+--
+2.17.1
+