diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3810-drm-amd-powerplay-implement-VCN-power-gating-control.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3810-drm-amd-powerplay-implement-VCN-power-gating-control.patch | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3810-drm-amd-powerplay-implement-VCN-power-gating-control.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3810-drm-amd-powerplay-implement-VCN-power-gating-control.patch new file mode 100644 index 00000000..f7ebf80e --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3810-drm-amd-powerplay-implement-VCN-power-gating-control.patch @@ -0,0 +1,64 @@ +From db28c9ad99c880579d979cee2eebba2f9f0f4da7 Mon Sep 17 00:00:00 2001 +From: Prike Liang <Prike.Liang@amd.com> +Date: Mon, 16 Sep 2019 15:56:52 +0800 +Subject: [PATCH 3810/4256] drm/amd/powerplay: implement VCN power gating + control interface + +VCN Gat/Ungat by processing the SMU power up/down message, otherwise +S3 will resume failed as JPEG always power off during start VCN stage. + +Signed-off-by: Prike Liang <Prike.Liang@amd.com> +Reviewed-by: Evan Quan <evan.quan@amd.com> +--- + drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 28 +++++++++++++++++++++- + 1 file changed, 27 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +index 2c22ba49c453..9311b6acc34d 100644 +--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c ++++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c +@@ -278,6 +278,32 @@ static enum amd_pm_state_type renoir_get_current_power_state(struct smu_context + return pm_type; + } + ++static int renoir_dpm_set_uvd_enable(struct smu_context *smu, bool enable) ++{ ++ struct smu_power_context *smu_power = &smu->smu_power; ++ struct smu_power_gate *power_gate = &smu_power->power_gate; ++ int ret = 0; ++ ++ if (enable) { ++ /* vcn dpm on is a prerequisite for vcn power gate messages */ ++ if (smu_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) { ++ ret = smu_send_smc_msg_with_param(smu, SMU_MSG_PowerUpVcn, 1); ++ if (ret) ++ return ret; ++ } ++ power_gate->vcn_gated = false; ++ } else { ++ if (smu_feature_is_enabled(smu, SMU_FEATURE_VCN_PG_BIT)) { ++ ret = smu_send_smc_msg(smu, SMU_MSG_PowerDownVcn); ++ if (ret) ++ return ret; ++ } ++ power_gate->vcn_gated = true; ++ } ++ ++ return ret; ++} ++ + static const struct pptable_funcs renoir_ppt_funcs = { + .get_smu_msg_index = renoir_get_smu_msg_index, + .get_smu_table_index = renoir_get_smu_table_index, +@@ -286,7 +312,7 @@ static const struct pptable_funcs renoir_ppt_funcs = { + .get_dpm_uclk_limited = renoir_get_dpm_uclk_limited, + .print_clk_levels = renoir_print_clk_levels, + .get_current_power_state = renoir_get_current_power_state, +- ++ .dpm_set_uvd_enable = renoir_dpm_set_uvd_enable, + }; + + void renoir_set_ppt_funcs(struct smu_context *smu) +-- +2.17.1 + |