On Mon, 21 May 2018, Mahesh Kumar <[email protected]> wrote:
> 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 <[email protected]>
> ---
> 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 1665bc588241..9517e002f670 100644
> --- a/drivers/gpu/drm/i915/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/intel_ddi.c
> @@ -2473,9 +2473,10 @@ 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;
>
> + port = encoder->port;
I presume you meant to add that line below the if statement. ;)
BR,
Jani.
> if (conn_state->crtc != crtc)
> continue;
>
> @@ -2510,11 +2511,12 @@ 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) |
--
Jani Nikula, Intel Open Source Graphics Center
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