aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/radeon/ci_dpm.c
diff options
context:
space:
mode:
authorNicholas Mc Guire <hofrat@osadl.org>2016-07-19 21:54:06 +0200
committerAlex Deucher <alexander.deucher@amd.com>2016-07-29 14:36:45 -0400
commitecb2caae6aa7e33a8b413479d802a6b818316f97 (patch)
tree9b5a5f10103066d1477d1a30cf5d8941c9f3f40a /drivers/gpu/drm/radeon/ci_dpm.c
parentdrm/amdgpu: Disable RPM helpers while reprobing connectors on resume (diff)
downloadlinux-dev-ecb2caae6aa7e33a8b413479d802a6b818316f97.tar.xz
linux-dev-ecb2caae6aa7e33a8b413479d802a6b818316f97.zip
drm/radeon/ci add comment to document intentionally unreachable code
commit d967be9b80a5 ("drm/radeon/ci: disable needless sclk changes") introduces an unreachable if(C != C) conditional code section flagged by coccinelle script bad_conditional.cocci: Add a comment to make it clear that this is intentional. Fixes: d967be9b80a5 ("drm/radeon/ci: disable needless sclk changes") Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/ci_dpm.c')
-rw-r--r--drivers/gpu/drm/radeon/ci_dpm.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 35e0fc3ae8a7..7ba450832e6b 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -3843,7 +3843,10 @@ 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 The current code always reprogrammed the sclk levels,
+ * but we don't currently handle disp sclk requirements
+ * so just skip it.
+ */
if (CISLAND_MINIMUM_ENGINE_CLOCK != CISLAND_MINIMUM_ENGINE_CLOCK)
pi->need_update_smu7_dpm_table |= DPMTABLE_UPDATE_SCLK;
}