drm/amd/pm: fix the print_clk_levels issue for SMU v13.0.6

Pass the correct size to smu_v13_0_6_print_clks, otherwise
the same place in buf will be re-written.

Signed-off-by: Le Ma <le.ma@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
index c20537fb9df03113fa2e75175ee6b311e09f1ba7..303f5b17ecaf29e7bf74fa52fbc139ea43e559c1 100644 (file)
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
@@ -822,12 +822,12 @@ static int smu_v13_0_6_get_current_clk_freq_by_table(struct smu_context *smu,
        return smu_v13_0_6_get_smu_metrics_data(smu, member_type, value);
 }
 
-static int smu_v13_0_6_print_clks(struct smu_context *smu, char *buf,
+static int smu_v13_0_6_print_clks(struct smu_context *smu, char *buf, int size,
                                  struct smu_13_0_dpm_table *single_dpm_table,
                                  uint32_t curr_clk, const char *clk_name)
 {
        struct pp_clock_levels_with_latency clocks;
-       int i, ret, size = 0, level = -1;
+       int i, ret, level = -1;
        uint32_t clk1, clk2;
 
        ret = smu_v13_0_6_get_clk_table(smu, &clocks, single_dpm_table);
@@ -948,8 +948,8 @@ static int smu_v13_0_6_print_clk_levels(struct smu_context *smu,
 
                single_dpm_table = &(dpm_context->dpm_tables.uclk_table);
 
-               return smu_v13_0_6_print_clks(smu, buf, single_dpm_table, now,
-                                             "mclk");
+               return smu_v13_0_6_print_clks(smu, buf, size, single_dpm_table,
+                                             now, "mclk");
 
        case SMU_SOCCLK:
                ret = smu_v13_0_6_get_current_clk_freq_by_table(smu, SMU_SOCCLK,
@@ -962,8 +962,8 @@ static int smu_v13_0_6_print_clk_levels(struct smu_context *smu,
 
                single_dpm_table = &(dpm_context->dpm_tables.soc_table);
 
-               return smu_v13_0_6_print_clks(smu, buf, single_dpm_table, now,
-                                             "socclk");
+               return smu_v13_0_6_print_clks(smu, buf, size, single_dpm_table,
+                                             now, "socclk");
 
        case SMU_FCLK:
                ret = smu_v13_0_6_get_current_clk_freq_by_table(smu, SMU_FCLK,
@@ -976,8 +976,8 @@ static int smu_v13_0_6_print_clk_levels(struct smu_context *smu,
 
                single_dpm_table = &(dpm_context->dpm_tables.fclk_table);
 
-               return smu_v13_0_6_print_clks(smu, buf, single_dpm_table, now,
-                                             "fclk");
+               return smu_v13_0_6_print_clks(smu, buf, size, single_dpm_table,
+                                             now, "fclk");
 
        case SMU_VCLK:
                ret = smu_v13_0_6_get_current_clk_freq_by_table(smu, SMU_VCLK,
@@ -990,8 +990,8 @@ static int smu_v13_0_6_print_clk_levels(struct smu_context *smu,
 
                single_dpm_table = &(dpm_context->dpm_tables.vclk_table);
 
-               return smu_v13_0_6_print_clks(smu, buf, single_dpm_table, now,
-                                             "vclk");
+               return smu_v13_0_6_print_clks(smu, buf, size, single_dpm_table,
+                                             now, "vclk");
 
        case SMU_DCLK:
                ret = smu_v13_0_6_get_current_clk_freq_by_table(smu, SMU_DCLK,
@@ -1004,8 +1004,8 @@ static int smu_v13_0_6_print_clk_levels(struct smu_context *smu,
 
                single_dpm_table = &(dpm_context->dpm_tables.dclk_table);
 
-               return smu_v13_0_6_print_clks(smu, buf, single_dpm_table, now,
-                                             "dclk");
+               return smu_v13_0_6_print_clks(smu, buf, size, single_dpm_table,
+                                             now, "dclk");
 
        default:
                break;