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

[Tao Zhou]

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 at amd.com>
---
 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)
 {
-- 
2.17.1