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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/drivers/gpu/drm/radeon/evergreen_hdmi.c
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/gpu/drm/radeon/evergreen_hdmi.c')
-rw-r--r--kernel/drivers/gpu/drm/radeon/evergreen_hdmi.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/drivers/gpu/drm/radeon/evergreen_hdmi.c b/kernel/drivers/gpu/drm/radeon/evergreen_hdmi.c
index 9953356fe..3cf04a2f4 100644
--- a/kernel/drivers/gpu/drm/radeon/evergreen_hdmi.c
+++ b/kernel/drivers/gpu/drm/radeon/evergreen_hdmi.c
@@ -289,6 +289,16 @@ void dce4_dp_audio_set_dto(struct radeon_device *rdev,
* number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
* is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
*/
+ if (ASIC_IS_DCE41(rdev)) {
+ unsigned int div = (RREG32(DCE41_DENTIST_DISPCLK_CNTL) &
+ DENTIST_DPREFCLK_WDIVIDER_MASK) >>
+ DENTIST_DPREFCLK_WDIVIDER_SHIFT;
+ div = radeon_audio_decode_dfs_div(div);
+
+ if (div)
+ clock = 100 * clock / div;
+ }
+
WREG32(DCCG_AUDIO_DTO1_PHASE, 24000);
WREG32(DCCG_AUDIO_DTO1_MODULE, clock);
}