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authorShikai Guo <shikai.guo@amd.com>2022-07-20 14:38:24 +0300
committerAlex Deucher <alexander.deucher@amd.com>2022-07-28 23:25:45 +0300
commit674b9e08a02903fef75beadca0df490348d8f560 (patch)
treef32d179b809b506578e59be327547c86a15e4f09
parent2182cb7029e9c5cc4b63d1c5682f62ebb65cc952 (diff)
downloadlinux-674b9e08a02903fef75beadca0df490348d8f560.tar.xz
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 <shikai.guo@amd.com> Reviewed-by: Aaron Liu <aaron.liu@amd.com> Reviewed-by: Prike Liang <prike.liang@amd.com> Reviewed-by: Evan Quan <evan.quan@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
-rw-r--r--drivers/gpu/drm/amd/pm/swsmu/smu13/yellow_carp_ppt.c31
1 files changed, 31 insertions, 0 deletions
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,