[PATCH] document the unreachable code sequence
From: Nicholas Mc Guire
Date: Mon Jan 19 2015 - 19:11:57 EST
Signed-off-by: Nicholas Mc Guire <der.herr@xxxxxxx>
---
drivers/gpu/drm/radeon/ci_dpm.c | 7 +++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index f373a81..722dfef 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -3808,7 +3808,12 @@ static void ci_find_dpm_states_clocks_in_dpm_table(struct radeon_device *rdev,
if (i >= sclk_table->count) {
pi->need_update_smu7_dpm_table |= DPMTABLE_OD_UPDATE_SCLK;
} else {
- /* XXX check display min clock requirements */
+ /*
+ * XXX Check display min clock requirements.
+ * This is a place holder for the future support of
+ * dynamically adjusting the disp clock where we'll
+ * need to update the sclk for ds mode.
+ */
if (CISLAND_MINIMUM_ENGINE_CLOCK != CISLAND_MINIMUM_ENGINE_CLOCK)
pi->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK;
}
--
1.7.10.4
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