On 11/16/2021 3:58 PM, Tao Zhou wrote:
If gpu reset is triggered by ras fatal error, tell it to smu in mode-1
reset message.

v2: move mode-1 reset function to aldebaran_ppt.c since it's aldebaran
specific currently.

Signed-off-by: Tao Zhou <tao.zh...@amd.com>

Reviewed-by: Lijo Lazar <lijo.la...@amd.com>

Thanks,
Lijo

---
  drivers/gpu/drm/amd/pm/inc/smu_v13_0.h        |  3 +-
  .../drm/amd/pm/swsmu/smu13/aldebaran_ppt.c    | 36 ++++++++++++++++++-
  .../gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c    | 21 -----------
  3 files changed, 37 insertions(+), 23 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/inc/smu_v13_0.h 
b/drivers/gpu/drm/amd/pm/inc/smu_v13_0.h
index e5d3b0d1a032..bbc608c990b0 100644
--- a/drivers/gpu/drm/amd/pm/inc/smu_v13_0.h
+++ b/drivers/gpu/drm/amd/pm/inc/smu_v13_0.h
@@ -29,6 +29,8 @@
  #define SMU13_DRIVER_IF_VERSION_YELLOW_CARP 0x04
  #define SMU13_DRIVER_IF_VERSION_ALDE 0x07
+#define SMU13_MODE1_RESET_WAIT_TIME_IN_MS 500 //500ms
+
  /* MP Apertures */
  #define MP0_Public                    0x03800000
  #define MP0_SRAM                      0x03900000
@@ -216,7 +218,6 @@ int smu_v13_0_baco_set_state(struct smu_context *smu, enum 
smu_baco_state state)
  int smu_v13_0_baco_enter(struct smu_context *smu);
  int smu_v13_0_baco_exit(struct smu_context *smu);
-int smu_v13_0_mode1_reset(struct smu_context *smu);
  int smu_v13_0_mode2_reset(struct smu_context *smu);
int smu_v13_0_get_dpm_ultimate_freq(struct smu_context *smu, enum smu_clk_type clk_type,
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
index 59a7d276541d..e50d4491aa96 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -1765,6 +1765,40 @@ static ssize_t aldebaran_get_gpu_metrics(struct 
smu_context *smu,
        return sizeof(struct gpu_metrics_v1_3);
  }
+static int aldebaran_mode1_reset(struct smu_context *smu)
+{
+       u32 smu_version, fatal_err, param;
+       int ret = 0;
+       struct amdgpu_device *adev = smu->adev;
+       struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
+
+       fatal_err = 0;
+       param = SMU_RESET_MODE_1;
+
+       /*
+       * PM FW support SMU_MSG_GfxDeviceDriverReset from 68.07
+       */
+       smu_cmn_get_smc_version(smu, NULL, &smu_version);
+       if (smu_version < 0x00440700)
+               ret = smu_cmn_send_smc_msg(smu, SMU_MSG_Mode1Reset, NULL);
+       else {
+               /* fatal error triggered by ras, PMFW supports the flag
+                  from 68.44.0 */
+               if ((smu_version >= 0x00442c00) && ras &&
+                   atomic_read(&ras->in_recovery))
+                       fatal_err = 1;
+
+               param |= (fatal_err << 16);
+               ret = smu_cmn_send_smc_msg_with_param(smu,
+                                       SMU_MSG_GfxDeviceDriverReset, param, 
NULL);
+       }
+
+       if (!ret)
+               msleep(SMU13_MODE1_RESET_WAIT_TIME_IN_MS);
+
+       return ret;
+}
+
  static int aldebaran_mode2_reset(struct smu_context *smu)
  {
        u32 smu_version;
@@ -1925,7 +1959,7 @@ static const struct pptable_funcs aldebaran_ppt_funcs = {
        .get_gpu_metrics = aldebaran_get_gpu_metrics,
        .mode1_reset_is_support = aldebaran_is_mode1_reset_supported,
        .mode2_reset_is_support = aldebaran_is_mode2_reset_supported,
-       .mode1_reset = smu_v13_0_mode1_reset,
+       .mode1_reset = aldebaran_mode1_reset,
        .set_mp1_state = aldebaran_set_mp1_state,
        .mode2_reset = aldebaran_mode2_reset,
        .wait_for_event = smu_v13_0_wait_for_event,
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
index 35145db6eedf..4d96099a9bb1 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -60,8 +60,6 @@ MODULE_FIRMWARE("amdgpu/aldebaran_smc.bin");
#define SMU13_VOLTAGE_SCALE 4 -#define SMU13_MODE1_RESET_WAIT_TIME_IN_MS 500 //500ms
-
  #define LINK_WIDTH_MAX                                6
  #define LINK_SPEED_MAX                                3
@@ -1424,25 +1422,6 @@ int smu_v13_0_set_azalia_d3_pme(struct smu_context *smu)
        return ret;
  }
-int smu_v13_0_mode1_reset(struct smu_context *smu)
-{
-       u32 smu_version;
-       int ret = 0;
-       /*
-       * PM FW support SMU_MSG_GfxDeviceDriverReset from 68.07
-       */
-       smu_cmn_get_smc_version(smu, NULL, &smu_version);
-       if (smu_version < 0x00440700)
-               ret = smu_cmn_send_smc_msg(smu, SMU_MSG_Mode1Reset, NULL);
-       else
-               ret = smu_cmn_send_smc_msg_with_param(smu, 
SMU_MSG_GfxDeviceDriverReset, SMU_RESET_MODE_1, NULL);
-
-       if (!ret)
-               msleep(SMU13_MODE1_RESET_WAIT_TIME_IN_MS);
-
-       return ret;
-}
-
  static int smu_v13_0_wait_for_reset_complete(struct smu_context *smu,
                                             uint64_t event_arg)
  {

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