From: Lijo Lazar <lijo.lazar@amd.com>
Date: Wed, 26 Nov 2025 07:25:37 +0000 (+0530)
Subject: drm/amd/pm: Use emit_clk_levels in SMUv13.0.0
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f63bcbaced1e23ad5b9108f4fc5b187bebbd74d;p=thirdparty%2Fkernel%2Flinux.git

drm/amd/pm: Use emit_clk_levels in SMUv13.0.0

Move to emit_clk_levels from print_clk_levels

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
index 677781060246..e6ae77223b7c 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_0_ppt.c
@@ -1184,27 +1184,24 @@ static int smu_v13_0_0_upload_overdrive_table(struct smu_context *smu,
 	return ret;
 }
 
-static int smu_v13_0_0_print_clk_levels(struct smu_context *smu,
-					enum smu_clk_type clk_type,
-					char *buf)
+static int smu_v13_0_0_emit_clk_levels(struct smu_context *smu,
+				       enum smu_clk_type clk_type, char *buf,
+				       int *offset)
 {
 	struct smu_dpm_context *smu_dpm = &smu->smu_dpm;
 	struct smu_13_0_dpm_context *dpm_context = smu_dpm->dpm_context;
 	OverDriveTableExternal_t *od_table =
 		(OverDriveTableExternal_t *)smu->smu_table.overdrive_table;
+	int i, curr_freq, size = *offset, start_offset = *offset;
 	struct smu_13_0_dpm_table *single_dpm_table;
 	struct smu_13_0_pcie_table *pcie_table;
 	uint32_t gen_speed, lane_width;
-	int i, curr_freq, size = 0, start_offset = 0;
 	int32_t min_value, max_value;
 	int ret = 0;
 
-	smu_cmn_get_sysfs_buf(&buf, &size);
-	start_offset = size;
-
 	if (amdgpu_ras_intr_triggered()) {
-		size += sysfs_emit_at(buf, size, "unavailable\n");
-		return size - start_offset;
+		sysfs_emit_at(buf, size, "unavailable\n");
+		return -EBUSY;
 	}
 
 	switch (clk_type) {
@@ -1535,7 +1532,9 @@ static int smu_v13_0_0_print_clk_levels(struct smu_context *smu,
 		break;
 	}
 
-	return size - start_offset;
+	*offset += size - start_offset;
+
+	return 0;
 }
 
 
@@ -3227,7 +3226,7 @@ static const struct pptable_funcs smu_v13_0_0_ppt_funcs = {
 	.get_vbios_bootup_values = smu_v13_0_get_vbios_bootup_values,
 	.read_sensor = smu_v13_0_0_read_sensor,
 	.feature_is_enabled = smu_cmn_feature_is_enabled,
-	.print_clk_levels = smu_v13_0_0_print_clk_levels,
+	.emit_clk_levels = smu_v13_0_0_emit_clk_levels,
 	.force_clk_levels = smu_v13_0_0_force_clk_levels,
 	.update_pcie_parameters = smu_v13_0_0_update_pcie_parameters,
 	.get_thermal_temperature_range = smu_v13_0_0_get_thermal_temperature_range,