[Public]
Updated in V2.
Thanks,
Evan
> -----Original Message-----
> From: Chen, Guchun <guchun.c...@amd.com>
> Sent: Monday, December 13, 2021 2:02 PM
> To: Quan, Evan <evan.q...@amd.com>; amd-gfx@lists.freedesktop.org
> Cc: Deucher, Alexander <alexander.deuc...@amd.com>; Quan, Evan
> <evan.q...@amd.com>
> Subject: RE: [PATCH] drm/amdgpu: move smu_debug_mask to a more
> proper place
>
> [Public]
>
> - if (unlikely(smu->smu_debug_mask &
> SMU_DEBUG_HALT_ON_ERROR) &&
> + if (unlikely(adev->smu_debug_mask &
> SMU_DEBUG_HALT_ON_ERROR) &&
> res && (res != -ETIME)) {
> amdgpu_device_halt(smu->adev);
>
> [Guchun] As we have set an 'adev' variable, we can replace 'smu->adev' with
> 'adev' in each function directly.
>
> Regards,
> Guchun
>
> -----Original Message-----
> From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Evan
> Quan
> Sent: Monday, December 13, 2021 1:43 PM
> To: amd-gfx@lists.freedesktop.org
> Cc: Deucher, Alexander <alexander.deuc...@amd.com>; Quan, Evan
> <evan.q...@amd.com>
> Subject: [PATCH] drm/amdgpu: move smu_debug_mask to a more proper
> place
>
> As the smu_context will be invisible from outside(of power). Also, the
> smu_debug_mask can be shared around all power code instead of some
> specific framework(swSMU) only.
>
> Signed-off-by: Evan Quan <evan.q...@amd.com>
> Change-Id: I1a0e1a436a51fc520a47b3fb28cde527d4e5eb6e
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu.h | 7 +++++++
> drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 2 +-
> drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h | 8 --------
> drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c | 9 ++++++---
> 4 files changed, 14 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> index e701dedce344..9ceb8f3e73de 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
> @@ -811,6 +811,9 @@ struct amd_powerplay {
> (rid == 0x01) || \
> (rid == 0x10))))
>
> +/* Used to mask smu debug modes */
> +#define SMU_DEBUG_HALT_ON_ERROR 0x1
> +
> #define AMDGPU_RESET_MAGIC_NUM 64
> #define AMDGPU_MAX_DF_PERFMONS 4
> struct amdgpu_device {
> @@ -959,6 +962,10 @@ struct amdgpu_device {
> struct amdgpu_pm pm;
> u32 cg_flags;
> u32 pg_flags;
> + /*
> + * 0 = disabled (default), otherwise enable corresponding debug
> mode
> + */
> + uint32_t smu_debug_mask;
>
> /* nbio */
> struct amdgpu_nbio nbio;
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> index 9dfccb20fedd..ee1cc15c6f09 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
> @@ -1619,7 +1619,7 @@ int amdgpu_debugfs_init(struct amdgpu_device
> *adev)
> return 0;
>
> debugfs_create_x32("amdgpu_smu_debug", 0600, root,
> - &adev->smu.smu_debug_mask);
> + &adev->smu_debug_mask);
>
> ent = debugfs_create_file("amdgpu_preempt_ib", 0600, root, adev,
> &fops_ib_preempt);
> diff --git a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
> b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
> index 12e67ad9a3b2..2b9b9a7ba97a 100644
> --- a/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
> +++ b/drivers/gpu/drm/amd/pm/inc/amdgpu_smu.h
> @@ -482,9 +482,6 @@ struct stb_context {
>
> #define WORKLOAD_POLICY_MAX 7
>
> -/* Used to mask smu debug modes */
> -#define SMU_DEBUG_HALT_ON_ERROR 0x1
> -
> struct smu_context
> {
> struct amdgpu_device *adev;
> @@ -573,11 +570,6 @@ struct smu_context
> struct smu_user_dpm_profile user_dpm_profile;
>
> struct stb_context stb_context;
> -
> - /*
> - * 0 = disabled (default), otherwise enable corresponding debug
> mode
> - */
> - uint32_t smu_debug_mask;
> };
>
> struct i2c_adapter;
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
> b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
> index 43637d55fe29..b233d9d766f2 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu_cmn.c
> @@ -257,6 +257,7 @@ int smu_cmn_send_msg_without_waiting(struct
> smu_context *smu,
> uint16_t msg_index,
> uint32_t param)
> {
> + struct amdgpu_device *adev = smu->adev;
> u32 reg;
> int res;
>
> @@ -272,7 +273,7 @@ int smu_cmn_send_msg_without_waiting(struct
> smu_context *smu,
> __smu_cmn_send_msg(smu, msg_index, param);
> res = 0;
> Out:
> - if (unlikely(smu->smu_debug_mask &
> SMU_DEBUG_HALT_ON_ERROR) &&
> + if (unlikely(adev->smu_debug_mask &
> SMU_DEBUG_HALT_ON_ERROR) &&
> res && (res != -ETIME)) {
> amdgpu_device_halt(smu->adev);
> [Guchun] As we have set a adev variable, we can replace smu->adev with
> adev directly.
>
> WARN_ON(1);
> @@ -293,13 +294,14 @@ int smu_cmn_send_msg_without_waiting(struct
> smu_context *smu,
> */
> int smu_cmn_wait_for_response(struct smu_context *smu) {
> + struct amdgpu_device *adev = smu->adev;
> u32 reg;
> int res;
>
> reg = __smu_cmn_poll_stat(smu);
> res = __smu_cmn_reg2errno(smu, reg);
>
> - if (unlikely(smu->smu_debug_mask &
> SMU_DEBUG_HALT_ON_ERROR) &&
> + if (unlikely(adev->smu_debug_mask &
> SMU_DEBUG_HALT_ON_ERROR) &&
> res && (res != -ETIME)) {
> amdgpu_device_halt(smu->adev);
> WARN_ON(1);
> @@ -343,6 +345,7 @@ int smu_cmn_send_smc_msg_with_param(struct
> smu_context *smu,
> uint32_t param,
> uint32_t *read_arg)
> {
> + struct amdgpu_device *adev = smu->adev;
> int res, index;
> u32 reg;
>
> @@ -372,7 +375,7 @@ int smu_cmn_send_smc_msg_with_param(struct
> smu_context *smu,
> if (read_arg)
> smu_cmn_read_arg(smu, read_arg);
> Out:
> - if (unlikely(smu->smu_debug_mask &
> SMU_DEBUG_HALT_ON_ERROR) && res) {
> + if (unlikely(adev->smu_debug_mask &
> SMU_DEBUG_HALT_ON_ERROR) && res) {
> amdgpu_device_halt(smu->adev);
> WARN_ON(1);
> }
> --
> 2.29.0
