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| author | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2023-04-13 14:24:41 -0700 |
|---|---|---|
| committer | Radhakrishna Sripada <radhakrishna.sripada@intel.com> | 2023-04-14 08:12:40 -0700 |
| commit | 5836bc5f8d3113ccdda2a10fb86344a9f03698ca (patch) | |
| tree | c7b7f4130dcf1c3e813d12f3ecd70ff5cc7e6af5 /tools/perf/scripts/python/task-analyzer.py | |
| parent | 23ef61946374a9ba52ae051cbc95e82f054ea16b (diff) | |
| download | linux-5836bc5f8d3113ccdda2a10fb86344a9f03698ca.tar.gz linux-5836bc5f8d3113ccdda2a10fb86344a9f03698ca.zip | |
drm/i915/mtl: Add C10 phy programming for HDMI
Like DG2, we still don't have a proper algorithm that can be used
for calculating PHY settings, but we do have tables of register
values for a handful of the more common link rates. Some support is
better than none, so let's go ahead and add/use these tables when we
can, and also add some logic to hdmi_port_clock_valid() to filter the
modelist to just the modes we can actually support with these link
rates.
Hopefully we'll have a proper / non-encumbered algorithm to calculate
these registers by the time we upstream and we'll be able to replace
this patch with something more general purpose.
Bspec: 64568
v2: Rebasing with Clint's HDMI C10 PLL tables (Mika)
v3: Remove the extra hdmi clock check pruning.
Cc: Imre Deak <imre.deak@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230413212443.1504245-8-radhakrishna.sripada@intel.com
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