diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dsi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index a1e0547484aef..9ff6435e7d384 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -505,7 +505,13 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder) DRM_DEBUG_KMS("\n"); + /* + * The BIOS may leave the PLL in a wonky state where it doesn't + * lock. It needs to be fully powered down to fix it. + */ + intel_disable_dsi_pll(encoder); intel_enable_dsi_pll(encoder); + intel_dsi_prepare(encoder); /* Panel Enable over CRC PMIC */ |