drm/amd/powerplay: add function display_configuration_changed for navi10

[linux.git] / drivers / gpu / drm / amd / powerplay / smu_v11_0.c

diff --git a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
index b0b8aeebe2ba768fc05962fd2cc85f406b0d00f8..ec7862ea299d093e26cb4c141e0e5b394582f9ee 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_v11_0.c
@@ -714,9 +714,21 @@ static int smu_v11_0_write_pptable(struct smu_context *smu)
 
 static int smu_v11_0_write_watermarks_table(struct smu_context *smu)
 {
-       return smu_update_table(smu, SMU_TABLE_WATERMARKS,
-                               smu->smu_table.tables[SMU_TABLE_WATERMARKS].cpu_addr,
+       int ret = 0;
+       struct smu_table_context *smu_table = &smu->smu_table;
+       struct smu_table *table = NULL;
+
+       table = &smu_table->tables[SMU_TABLE_WATERMARKS];
+       if (!table)
+               return -EINVAL;
+
+       if (!table->cpu_addr)
+               return -EINVAL;
+
+       ret = smu_update_table(smu, SMU_TABLE_WATERMARKS, table->cpu_addr,
                                true);
+
+       return ret;
 }
 
 static int smu_v11_0_set_deep_sleep_dcefclk(struct smu_context *smu, uint32_t clk)