diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/4575-drm-amd-pp-Allow-underclocking-when-od-table-is-empt.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/4575-drm-amd-pp-Allow-underclocking-when-od-table-is-empt.patch | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/4575-drm-amd-pp-Allow-underclocking-when-od-table-is-empt.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/4575-drm-amd-pp-Allow-underclocking-when-od-table-is-empt.patch new file mode 100644 index 00000000..eb05e16f --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/4575-drm-amd-pp-Allow-underclocking-when-od-table-is-empt.patch @@ -0,0 +1,121 @@ +From 81a6e77c8965eabd30a4e416a30edbd3692afea9 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Wed, 30 May 2018 16:52:22 +0800 +Subject: [PATCH 4575/5725] drm/amd/pp: Allow underclocking when od table is + empty in vbios + +if max od engine clock limit and memory clock limit are not set +in vbios. driver will allow underclocking instand of disable od feature +completely. + +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +--- + drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c | 6 ------ + drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c | 6 ------ + drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c | 5 ++++- + drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c | 6 ++++++ + drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c | 6 ------ + 5 files changed, 10 insertions(+), 19 deletions(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c +index f0d48b1..35bd987 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c +@@ -870,12 +870,6 @@ static int init_over_drive_limits( + hwmgr->platform_descriptor.maxOverdriveVDDC = 0; + hwmgr->platform_descriptor.overdriveVDDCStep = 0; + +- if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 \ +- || hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) { +- hwmgr->od_enabled = false; +- pr_debug("OverDrive feature not support by VBIOS\n"); +- } +- + return 0; + } + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c +index ce64dfa..925e171 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c +@@ -1074,12 +1074,6 @@ static int init_overdrive_limits(struct pp_hwmgr *hwmgr, + powerplay_table, + (const ATOM_FIRMWARE_INFO_V2_1 *)fw_info); + +- if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 +- && hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) { +- hwmgr->od_enabled = false; +- pr_debug("OverDrive feature not support by VBIOS\n"); +- } +- + return result; + } + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +index f697a56..46d6368 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +@@ -791,7 +791,8 @@ static int smu7_setup_dpm_tables_v1(struct pp_hwmgr *hwmgr) + data->dpm_table.sclk_table.count++; + } + } +- ++ if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0) ++ hwmgr->platform_descriptor.overdriveLimit.engineClock = dep_sclk_table->entries[i-1].clk; + /* Initialize Mclk DPM table based on allow Mclk values */ + data->dpm_table.mclk_table.count = 0; + for (i = 0; i < dep_mclk_table->count; i++) { +@@ -806,6 +807,8 @@ static int smu7_setup_dpm_tables_v1(struct pp_hwmgr *hwmgr) + } + } + ++ if (hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) ++ hwmgr->platform_descriptor.overdriveLimit.memoryClock = dep_mclk_table->entries[i-1].clk; + return 0; + } + +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +index 0ad2ca3..896c10b 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +@@ -1311,6 +1311,9 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr) + vega10_setup_default_single_dpm_table(hwmgr, + dpm_table, + dep_gfx_table); ++ if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0) ++ hwmgr->platform_descriptor.overdriveLimit.engineClock = ++ dpm_table->dpm_levels[dpm_table->count-1].value; + vega10_init_dpm_state(&(dpm_table->dpm_state)); + + /* Initialize Mclk DPM table based on allow Mclk values */ +@@ -1319,6 +1322,9 @@ static int vega10_setup_default_dpm_tables(struct pp_hwmgr *hwmgr) + vega10_setup_default_single_dpm_table(hwmgr, + dpm_table, + dep_mclk_table); ++ if (hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) ++ hwmgr->platform_descriptor.overdriveLimit.memoryClock = ++ dpm_table->dpm_levels[dpm_table->count-1].value; + vega10_init_dpm_state(&(dpm_table->dpm_state)); + + data->dpm_table.eclk_table.count = 0; +diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c +index 0768d25..16b1a9c 100644 +--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c ++++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c +@@ -267,12 +267,6 @@ static int init_over_drive_limits( + hwmgr->platform_descriptor.maxOverdriveVDDC = 0; + hwmgr->platform_descriptor.overdriveVDDCStep = 0; + +- if (hwmgr->platform_descriptor.overdriveLimit.engineClock == 0 || +- hwmgr->platform_descriptor.overdriveLimit.memoryClock == 0) { +- hwmgr->od_enabled = false; +- pr_debug("OverDrive feature not support by VBIOS\n"); +- } +- + return 0; + } + +-- +2.7.4 + |