Em Sex, 2018-05-25 às 08:52 -0700, Lucas De Marchi escreveu:
> From: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
>
> All connectors may not have best_encoder attached, so don't
> dereference
> encoder pointer for each connector.
>
> Fixes: c27e917e2bda (drm/i915/icl: add basic support for the ICL
> clocks)
> Signed-off-by: Mahesh Kumar <mahesh1.kumar@xxxxxxxxx>
> Reviewed-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Merged. Thanks for the patch & review.
> ---
> drivers/gpu/drm/i915/intel_ddi.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_ddi.c
> b/drivers/gpu/drm/i915/intel_ddi.c
> index 3b8f12883ca7..c33b19705e39 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -2444,12 +2444,13 @@ void icl_map_plls_to_ports(struct drm_crtc
> *crtc,
> for_each_new_connector_in_state(old_state, conn, conn_state,
> i) {
> struct intel_encoder *encoder =
> to_intel_encoder(conn_state->best_encoder);
> - enum port port = encoder->port;
> + enum port port;
> uint32_t val;
>
> if (conn_state->crtc != crtc)
> continue;
>
> + port = encoder->port;
> mutex_lock(&dev_priv->dpll_lock);
>
> val = I915_READ(DPCLKA_CFGCR0_ICL);
> @@ -2481,11 +2482,12 @@ void icl_unmap_plls_to_ports(struct drm_crtc
> *crtc,
> for_each_old_connector_in_state(old_state, conn,
> old_conn_state, i) {
> struct intel_encoder *encoder =
> to_intel_encoder(old_conn_state-
> >best_encoder);
> - enum port port = encoder->port;
> + enum port port;
>
> if (old_conn_state->crtc != crtc)
> continue;
>
> + port = encoder->port;
> mutex_lock(&dev_priv->dpll_lock);
> I915_WRITE(DPCLKA_CFGCR0_ICL,
> I915_READ(DPCLKA_CFGCR0_ICL) |
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