Add missing break statement in order to prevent the code from falling
through to case SMU_Discrete_DpmTable.

This bug was found thanks to the ongoing efforts to enable
-Wimplicit-fallthrough.

Fixes: 34a564eaf528 ("drm/amd/powerplay: implement fw image related smum 
interface for Polaris.")
Cc: sta...@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
---
 drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c 
b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
index 52abca065764..222fb79d319e 100644
--- a/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
+++ b/drivers/gpu/drm/amd/powerplay/smumgr/polaris10_smumgr.c
@@ -2330,6 +2330,7 @@ static uint32_t polaris10_get_offsetof(uint32_t type, 
uint32_t member)
                case DRAM_LOG_BUFF_SIZE:
                        return offsetof(SMU74_SoftRegisters, 
DRAM_LOG_BUFF_SIZE);
                }
+               break;
        case SMU_Discrete_DpmTable:
                switch (member) {
                case UvdBootLevel:
-- 
2.21.0

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