drm/amdgpu: support new mode-1 reset interface (v2)

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.zhou1@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 e5d3b0d..bbc608c 100644 (file)
--- 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 59a7d27..f835d86 100644 (file)
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -1765,6 +1765,41 @@ 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 +1960,7 @@ 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 35145db..4d96099 100644 (file)
--- 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)
 {