[AMD Official Use Only - General]
Shikai,
Yellow carp's SMUIO is 13_0_1.
#define regSMUIO_GFX_MISC_CNTL 0x00c5
This register in your patch is from smuio_13_0_2_offset.h and this register's value is different to 13_0_1.
#define regSMUIO_GFX_MISC_CNTL 0x00d1
> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> shikai.guo@xxxxxxx
> Sent: Thursday, July 21, 2022 4:58 PM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Deucher, Alexander <Alexander.Deucher@xxxxxxx>; Liang, Prike
> <Prike.Liang@xxxxxxx>; Quan, Evan <Evan.Quan@xxxxxxx>; Guo, Shikai
> <Shikai.Guo@xxxxxxx>
> Subject: [PATCH] drm/amd/pm: Add get_gfx_off_status interface
>
> From: Shikai Guo <Shikai.Guo@xxxxxxx>
>
> add get_gfx_off_status interface to yellow_carp_ppt_funcs structure.
>
> Signed-off-by: Shikai Guo <shikai.guo@xxxxxxx>
> ---
> .../drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c | 30
> +++++++++++++++++++
> 1 file changed, 30 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
> b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
> index 70cbc46341a3..2e39b629e7e6 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c
> @@ -31,6 +31,7 @@
> #include "smu_v13_0_1_ppsmc.h"
> #include "smu_v13_0_1_pmfw.h"
> #include "smu_cmn.h"
> +#include "asic_reg/smuio/smuio_13_0_2_offset.h"
>
> /*
> * DO NOT use these for err/warn/info/debug messages.
> @@ -42,6 +43,9 @@
> #undef pr_info
> #undef pr_debug
>
> +#define SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS_MASK
> 0x00000006L
> +#define SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS__SHIFT
> 0x1
> +
> #define FEATURE_MASK(feature) (1ULL << feature) #define
> SMC_DPM_FEATURE ( \
> FEATURE_MASK(FEATURE_CCLK_DPM_BIT) | \ @@ -587,6 +591,31
> @@ static ssize_t yellow_carp_get_gpu_metrics(struct smu_context *smu,
> return sizeof(struct gpu_metrics_v2_1); }
>
> +/**
> + * yellow_carp_get_gfxoff_status - get gfxoff status
> + *
> + * @smu: smu_context pointer
> + *
> + * This function will be used to get gfxoff status
> + *
> + * Returns 0=GFXOFF(default).
> + * Returns 1=Transition out of GFX State.
> + * Returns 2=Not in GFXOFF.
> + * Returns 3=Transition into GFXOFF.
> + */
> +static uint32_t yellow_carp_get_gfxoff_status(struct smu_context *smu)
> +{
> + uint32_t reg;
> + uint32_t gfxOff_Status = 0;
> + struct amdgpu_device *adev = smu->adev;
> +
> + reg = RREG32_SOC15(SMUIO, 0, regSMUIO_GFX_MISC_CNTL);
> + gfxOff_Status = (reg &
> SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS_MASK)
> + >> SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS__SHIFT;
> +
> + return gfxOff_Status;
> +}
> +
> static int yellow_carp_set_default_dpm_tables(struct smu_context *smu) {
> struct smu_table_context *smu_table = &smu->smu_table; @@ -
> 1186,6 +1215,7 @@ static const struct pptable_funcs yellow_carp_ppt_funcs
> = {
> .get_pp_feature_mask = smu_cmn_get_pp_feature_mask,
> .set_driver_table_location = smu_v13_0_set_driver_table_location,
> .gfx_off_control = smu_v13_0_gfx_off_control,
> + .get_gfx_off_status = yellow_carp_get_gfxoff_status,
> .post_init = yellow_carp_post_smu_init,
> .mode2_reset = yellow_carp_mode2_reset,
> .get_dpm_ultimate_freq = yellow_carp_get_dpm_ultimate_freq,
> --
> 2.25.1
