[AMD Official Use Only]
With the concern from Guchun addressed, the patch is reviewed-by: Evan Quan
<evan.q...@amd.com>
> -----Original Message-----
> From: Zhou1, Tao <tao.zh...@amd.com>
> Sent: Tuesday, November 16, 2021 6:29 PM
> To: amd-gfx@lists.freedesktop.org; Zhang, Hawking
> <hawking.zh...@amd.com>; Clements, John <john.cleme...@amd.com>;
> Yang, Stanley <stanley.y...@amd.com>; Quan, Evan
> <evan.q...@amd.com>; Lazar, Lijo <lijo.la...@amd.com>; Wang,
> Yang(Kevin) <kevinyang.w...@amd.com>
> Cc: Zhou1, Tao <tao.zh...@amd.com>
> Subject: [PATCH] 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.zh...@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
