diff options
| author | Imre Deak <imre.deak@intel.com> | 2021-03-17 20:49:01 +0200 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2021-03-23 08:26:59 -0400 |
| commit | ab03631087f5c296030dd86265ea02dcdacc6802 (patch) | |
| tree | f7e19a04aa7310fc7faf7f483e81f6b1df813989 /include | |
| parent | 7dffbdedb96a076843719d4ea5b2cd666481c416 (diff) | |
drm/i915: Disable LTTPR support when the LTTPR rev < 1.4
By the specification the 0xF0000 - 0xF02FF range is only valid if the
LTTPR revision at 0xF0000 is at least 1.4. Disable the LTTPR support
otherwise.
Fixes: 7b2a4ab8b0ef ("drm/i915: Switch to LTTPR transparent mode link training")
Cc: <stable@vger.kernel.org> # v5.11
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210317184901.4029798-4-imre.deak@intel.com
(cherry picked from commit 1663ad4936e0679443a315fe342f99636a2420dd)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'include')
0 files changed, 0 insertions, 0 deletions