[PATCH 14/21] drm/amd/powerplay: add JPEG power control for Renoir

[Leo Liu]

By using its own JPEG PowerUp and PowerDown messages

v2: add argument to PowerDownJpeg message

Signed-off-by: Leo Liu <leo....@amd.com>
---
 drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c 
b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
index 492a201554e8..784903a313b7 100644
--- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
@@ -301,6 +301,31 @@ static int renoir_dpm_set_uvd_enable(struct smu_context 
*smu, bool enable)
        return ret;
 }
 
+static int renoir_dpm_set_jpeg_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) {
+               if (smu_feature_is_enabled(smu, SMU_FEATURE_JPEG_PG_BIT)) {
+                       ret = smu_send_smc_msg_with_param(smu, 
SMU_MSG_PowerUpJpeg, 0);
+                       if (ret)
+                               return ret;
+               }
+               power_gate->jpeg_gated = false;
+       } else {
+               if (smu_feature_is_enabled(smu, SMU_FEATURE_JPEG_PG_BIT)) {
+                       ret = smu_send_smc_msg_with_param(smu, 
SMU_MSG_PowerDownJpeg, 0);
+                       if (ret)
+                               return ret;
+               }
+               power_gate->jpeg_gated = true;
+       }
+
+       return ret;
+}
+
 static int renoir_force_dpm_limit_value(struct smu_context *smu, bool highest)
 {
        int ret = 0, i = 0;
@@ -683,6 +708,7 @@ static const struct pptable_funcs renoir_ppt_funcs = {
        .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,
+       .dpm_set_jpeg_enable = renoir_dpm_set_jpeg_enable,
        .force_dpm_limit_value = renoir_force_dpm_limit_value,
        .unforce_dpm_levels = renoir_unforce_dpm_levels,
        .get_workload_type = renoir_get_workload_type,
-- 
2.17.1

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