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authorAlex Deucher <alexander.deucher@amd.com>2013-07-31 18:32:33 -0400
committerAlex Deucher <alexander.deucher@amd.com>2013-08-07 17:37:10 -0400
commitb841ce7b41ffbecf84285b381b3ac23f05256d31 (patch)
tree0649a5c0c58f91c824c88789e1e1ee3cad383e08 /drivers/gpu/drm/radeon/rv770_dpm.h
parentfda837241f3680e5dc554c26e178c2deec7a039c (diff)
downloadblackbird-op-linux-b841ce7b41ffbecf84285b381b3ac23f05256d31.tar.gz
blackbird-op-linux-b841ce7b41ffbecf84285b381b3ac23f05256d31.zip
drm/radeon/dpm: fix spread spectrum setup (v2)
Need to check for engine and memory clock ss separately and only enable dynamic ss if either of them are found. This should fix systems which have a ss table, but do not have entries for engine or memory. On those systems we may enable dynamic spread spectrum without enabling it on the engine or memory clocks which can lead to a hang in some cases. fixes some systems reported here: https://bugs.freedesktop.org/show_bug.cgi?id=66963 v2: fix typo Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rv770_dpm.h')
-rw-r--r--drivers/gpu/drm/radeon/rv770_dpm.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/rv770_dpm.h b/drivers/gpu/drm/radeon/rv770_dpm.h
index 96b1b2a62a8a..9244effc6b59 100644
--- a/drivers/gpu/drm/radeon/rv770_dpm.h
+++ b/drivers/gpu/drm/radeon/rv770_dpm.h
@@ -275,6 +275,7 @@ void rv770_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
void rv770_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
struct radeon_ps *new_ps,
struct radeon_ps *old_ps);
+void rv770_get_engine_memory_ss(struct radeon_device *rdev);
/* smc */
int rv770_read_smc_soft_register(struct radeon_device *rdev,
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