diff options
| author | Caz Yokoyama <caz.yokoyama@intel.com> | 2022-03-30 08:57:23 -0700 |
|---|---|---|
| committer | José Roberto de Souza <jose.souza@intel.com> | 2022-03-30 13:34:46 -0700 |
| commit | 291f63e72e56a6433910d80e23da384c62077538 (patch) | |
| tree | dd0de51ad508236b20fa6df82975f2868f8f9aed /drivers/gpu/drm/i915/display/intel_display.c | |
| parent | d7ade5f20e5319a2104e22c47fc414619453ca93 (diff) | |
drm/i915/display/adlp: Adjust MBUS DBOX BW and B credits
Alderlake-P has different MBUS DBOX BW and B credits than other
platforms, so here setting it properly.
BSpec: 49213
BSpec: 50343
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Caz Yokoyama <caz.yokoyama@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220330155724.255226-2-jose.souza@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 8501929bca3a..e5f12f2040af 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -1845,7 +1845,10 @@ static void icl_pipe_mbus_enable(struct intel_crtc *crtc, bool joined_mbus) else val |= MBUS_DBOX_A_CREDIT(2); - if (DISPLAY_VER(dev_priv) >= 12) { + if (IS_ALDERLAKE_P(dev_priv)) { + val |= MBUS_DBOX_BW_CREDIT(2); + val |= MBUS_DBOX_B_CREDIT(8); + } else if (DISPLAY_VER(dev_priv) >= 12) { val |= MBUS_DBOX_BW_CREDIT(2); val |= MBUS_DBOX_B_CREDIT(12); } else { |