diff options
| author | Michael Strauss <michael.strauss@amd.com> | 2019-08-07 16:52:20 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-17 16:29:39 -0400 |
| commit | bfbacdae0ab47db7f61d3dc17dee8f4a3de53f5e (patch) | |
| tree | f469450cf81a307e769c9409774fee05b26a4de4 /drivers | |
| parent | 1952a21cf3622f5b896eb807e4164acfff104e0f (diff) | |
drm/amd/display: Fix rn audio playback and video playback speed
[WHY]
dprefclk is improperly read due to incorrect units used.
Causes an audio clock to be improperly set, making audio
non-functional and videos play back too fast
[HOW]
Scale dprefclk value from MHz to KHz (multiply by 1000)
to ensure that dprefclk_khz is in correct units
Signed-off-by: Michael Strauss <michael.strauss@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Reviewed-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c index 93e46e376bb1..fb8aa9436bf0 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn21/rn_clk_mgr.c @@ -377,7 +377,7 @@ void rn_get_clk_states(struct clk_mgr *clk_mgr_base, struct clk_states *s) rn_dump_clk_registers(&sb, clk_mgr_base, &log_info); - s->dprefclk_khz = sb.dprefclk; + s->dprefclk_khz = sb.dprefclk * 1000; } void rn_enable_pme_wa(struct clk_mgr *clk_mgr_base) @@ -633,16 +633,15 @@ void rn_clk_mgr_construct( clk_mgr->dentist_vco_freq_khz = 3600000; rn_dump_clk_registers(&s, &clk_mgr->base, &log_info); - clk_mgr->base.dprefclk_khz = s.dprefclk; - - if (clk_mgr->base.dprefclk_khz != 600000) { - clk_mgr->base.dprefclk_khz = 600000; - ASSERT(1); //TODO: Renoir follow up. - } + /* Convert dprefclk units from MHz to KHz */ + /* Value already divided by 10, some resolution lost */ + clk_mgr->base.dprefclk_khz = s.dprefclk * 1000; /* in case we don't get a value from the register, use default */ - if (clk_mgr->base.dprefclk_khz == 0) + if (clk_mgr->base.dprefclk_khz == 0) { + ASSERT(clk_mgr->base.dprefclk_khz == 600000); clk_mgr->base.dprefclk_khz = 600000; + } } dce_clock_read_ss_info(clk_mgr); |