From: Shikai Guo Date: Wed, 20 Jul 2022 11:38:24 +0000 (+0800) Subject: drm/amd/pm: Add get_gfx_off_status interface for yellow carp X-Git-Tag: v6.1-rc5~617^2~1^2~19 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=674b9e08a02903fef75beadca0df490348d8f560;p=platform%2Fkernel%2Flinux-starfive.git drm/amd/pm: Add get_gfx_off_status interface for yellow carp add get_gfx_off_status interface to yellow_carp_ppt_funcs structure. Signed-off-by: Shikai Guo Reviewed-by: Aaron Liu Reviewed-by: Prike Liang Reviewed-by: Evan Quan Signed-off-by: Alex Deucher --- 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..04e56b0b3033 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 @@ -42,6 +42,11 @@ #undef pr_info #undef pr_debug +#define regSMUIO_GFX_MISC_CNTL 0x00c5 +#define regSMUIO_GFX_MISC_CNTL_BASE_IDX 0 +#define SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS_MASK 0x00000006L +#define SMUIO_GFX_MISC_CNTL__PWR_GFXOFF_STATUS__SHIFT 0x1L + #define FEATURE_MASK(feature) (1ULL << feature) #define SMC_DPM_FEATURE ( \ FEATURE_MASK(FEATURE_CCLK_DPM_BIT) | \ @@ -587,6 +592,31 @@ 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 +1216,7 @@ 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,