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drm/i915/icl+: Sanitize port to PLL mapping

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BIOS can leave the PLL to port mapping enabled, even if the
corresponding encoder is disabled. Disable the port mapping in this
case.

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181101140427.31026-9-imre.deak@intel.com
This commit is contained in:
Imre Deak
2018-11-01 16:04:27 +02:00
parent c7375d9542
commit 70332ac539
3 changed files with 28 additions and 0 deletions
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4
drivers/gpu/drm/i915/intel_display.c
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@@ -15349,6 +15349,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc,
static void intel_sanitize_encoder(struct intel_encoder *encoder)
{
struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
struct intel_connector *connector;
/* We need to check both for a crtc link (meaning that the
@@ -15390,6 +15391,9 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder)
/* notify opregion of the sanitized encoder state */
intel_opregion_notify_encoder(encoder, connector && has_active_crtc);
if (INTEL_GEN(dev_priv) >= 11)
icl_sanitize_encoder_pll_mapping(encoder);
}
void i915_redisable_vga_power_on(struct drm_i915_private *dev_priv)