From: Aaron Liu <[email protected]>

This patch adds mode2 reset support for yellow carp.

Signed-off-by: Aaron Liu <[email protected]>
Reviewed-by: Huang Rui <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
---
 drivers/gpu/drm/amd/amdgpu/nv.c               |  1 +
 .../drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c  | 26 +++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/nv.c b/drivers/gpu/drm/amd/amdgpu/nv.c
index fa2f0cbcec8b..54dd1bde202c 100644
--- a/drivers/gpu/drm/amd/amdgpu/nv.c
+++ b/drivers/gpu/drm/amd/amdgpu/nv.c
@@ -633,6 +633,7 @@ nv_asic_reset_method(struct amdgpu_device *adev)
 
        switch (adev->asic_type) {
        case CHIP_VANGOGH:
+       case CHIP_YELLOW_CARP:
                return AMD_RESET_METHOD_MODE2;
        case CHIP_SIENNA_CICHLID:
        case CHIP_NAVY_FLOUNDER:
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
index ddf56b31a403..364fc17b2a78 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
@@ -272,6 +272,31 @@ static int yellow_carp_post_smu_init(struct smu_context 
*smu)
        return ret;
 }
 
+static int yellow_carp_mode_reset(struct smu_context *smu, int type)
+{
+       int ret = 0, index = 0;
+
+       index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG,
+                               SMU_MSG_GfxDeviceDriverReset);
+       if (index < 0)
+               return index == -EACCES ? 0 : index;
+
+       mutex_lock(&smu->message_lock);
+
+       ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index, type);
+
+       mutex_unlock(&smu->message_lock);
+
+       mdelay(10);
+
+       return ret;
+}
+
+static int yellow_carp_mode2_reset(struct smu_context *smu)
+{
+       return yellow_carp_mode_reset(smu, SMU_RESET_MODE_2);
+}
+
 static int yellow_carp_get_smu_metrics_data(struct smu_context *smu,
                                                        MetricsMember_t member,
                                                        uint32_t *value)
@@ -1167,6 +1192,7 @@ static const struct pptable_funcs yellow_carp_ppt_funcs = 
{
        .set_driver_table_location = smu_v13_0_1_set_driver_table_location,
        .gfx_off_control = smu_v13_0_1_gfx_off_control,
        .post_init = yellow_carp_post_smu_init,
+       .mode2_reset = yellow_carp_mode2_reset,
        .get_dpm_ultimate_freq = yellow_carp_get_dpm_ultimate_freq,
        .od_edit_dpm_table = yellow_carp_od_edit_dpm_table,
        .print_clk_levels = yellow_carp_print_clk_levels,
-- 
2.31.1

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