On Wed, Oct 10, 2018 at 12:09:16AM +0300, Jani Nikula wrote:
> For a while we carried lvds connector specific data in the lvds
> connector, but since commit 05c72e77ccda ("drm/i915: Nuke the LVDS lid
> notifier") we haven't needed it. Revert back to plain intel_connector.
>
> Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
> Signed-off-by: Jani Nikula <jani.nik...@intel.com>
> ---
> drivers/gpu/drm/i915/intel_lvds.c | 42
> +++++++++++----------------------------
> 1 file changed, 12 insertions(+), 30 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/intel_lvds.c
> b/drivers/gpu/drm/i915/intel_lvds.c
> index 1fe970cf9909..510585ed94b2 100644
> --- a/drivers/gpu/drm/i915/intel_lvds.c
> +++ b/drivers/gpu/drm/i915/intel_lvds.c
> @@ -42,10 +42,6 @@
> #include <linux/acpi.h>
>
> /* Private structure for the integrated LVDS support */
> -struct intel_lvds_connector {
> - struct intel_connector base;
> -};
> -
> struct intel_lvds_pps {
> /* 100us units */
> int t1_t2;
> @@ -70,7 +66,7 @@ struct intel_lvds_encoder {
> struct intel_lvds_pps init_pps;
> u32 init_lvds_val;
>
> - struct intel_lvds_connector *attached_connector;
> + struct intel_connector *attached_connector;
> };
>
> static struct intel_lvds_encoder *to_lvds_encoder(struct drm_encoder
> *encoder)
> @@ -78,11 +74,6 @@ static struct intel_lvds_encoder *to_lvds_encoder(struct
> drm_encoder *encoder)
> return container_of(encoder, struct intel_lvds_encoder, base.base);
> }
>
> -static struct intel_lvds_connector *to_lvds_connector(struct drm_connector
> *connector)
> -{
> - return container_of(connector, struct intel_lvds_connector, base.base);
> -}
> -
> bool intel_lvds_port_enabled(struct drm_i915_private *dev_priv,
> i915_reg_t lvds_reg, enum pipe *pipe)
> {
> @@ -396,7 +387,7 @@ static bool intel_lvds_compute_config(struct
> intel_encoder *intel_encoder,
> struct intel_lvds_encoder *lvds_encoder =
> to_lvds_encoder(&intel_encoder->base);
> struct intel_connector *intel_connector =
> - &lvds_encoder->attached_connector->base;
> + lvds_encoder->attached_connector;
> struct drm_display_mode *adjusted_mode =
> &pipe_config->base.adjusted_mode;
> struct intel_crtc *intel_crtc = to_intel_crtc(pipe_config->base.crtc);
> unsigned int lvds_bpp;
> @@ -461,15 +452,15 @@ intel_lvds_detect(struct drm_connector *connector, bool
> force)
> */
> static int intel_lvds_get_modes(struct drm_connector *connector)
> {
> - struct intel_lvds_connector *lvds_connector =
> to_lvds_connector(connector);
> + struct intel_connector *intel_connector = to_intel_connector(connector);
> struct drm_device *dev = connector->dev;
> struct drm_display_mode *mode;
>
> /* use cached edid if we have one */
> - if (!IS_ERR_OR_NULL(lvds_connector->base.edid))
> - return drm_add_edid_modes(connector, lvds_connector->base.edid);
> + if (!IS_ERR_OR_NULL(intel_connector->edid))
> + return drm_add_edid_modes(connector, intel_connector->edid);
>
> - mode = drm_mode_duplicate(dev, lvds_connector->base.panel.fixed_mode);
> + mode = drm_mode_duplicate(dev, intel_connector->panel.fixed_mode);
> if (mode == NULL)
> return 0;
>
> @@ -781,8 +772,7 @@ static bool compute_is_dual_link_lvds(struct
> intel_lvds_encoder *lvds_encoder)
> return i915_modparams.lvds_channel_mode == 2;
>
> /* single channel LVDS is limited to 112 MHz */
> - if (lvds_encoder->attached_connector->base.panel.fixed_mode->clock
> - > 112999)
> + if (lvds_encoder->attached_connector->panel.fixed_mode->clock > 112999)
> return true;
>
> if (dmi_check_system(intel_dual_link_lvds))
> @@ -837,7 +827,6 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
> struct drm_device *dev = &dev_priv->drm;
> struct intel_lvds_encoder *lvds_encoder;
> struct intel_encoder *intel_encoder;
> - struct intel_lvds_connector *lvds_connector;
> struct intel_connector *intel_connector;
> struct drm_connector *connector;
> struct drm_encoder *encoder;
> @@ -890,23 +879,16 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
> if (!lvds_encoder)
> return;
>
> - lvds_connector = kzalloc(sizeof(*lvds_connector), GFP_KERNEL);
> - if (!lvds_connector) {
> - kfree(lvds_encoder);
> - return;
> - }
> -
> - if (intel_connector_init(&lvds_connector->base) < 0) {
> - kfree(lvds_connector);
> + intel_connector = intel_connector_alloc();
> + if (!intel_connector) {
> kfree(lvds_encoder);
> return;
> }
>
> - lvds_encoder->attached_connector = lvds_connector;
> + lvds_encoder->attached_connector = intel_connector;
>
> intel_encoder = &lvds_encoder->base;
> encoder = &intel_encoder->base;
> - intel_connector = &lvds_connector->base;
> connector = &intel_connector->base;
> drm_connector_init(dev, &intel_connector->base,
> &intel_lvds_connector_funcs,
> DRM_MODE_CONNECTOR_LVDS);
> @@ -987,7 +969,7 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
> } else {
> edid = ERR_PTR(-ENOENT);
> }
> - lvds_connector->base.edid = edid;
> + intel_connector->edid = edid;
>
> list_for_each_entry(scan, &connector->probed_modes, head) {
> if (scan->type & DRM_MODE_TYPE_PREFERRED) {
> @@ -1051,6 +1033,6 @@ void intel_lvds_init(struct drm_i915_private *dev_priv)
> drm_connector_cleanup(connector);
> drm_encoder_cleanup(encoder);
> kfree(lvds_encoder);
> - kfree(lvds_connector);
> + intel_connector_free(intel_connector);
I was going to say that this will do a double free on the state, but
drm_connector_cleanup() & co. memset(0) the object so this should be
fine.
Reviewed-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
> return;
> }
> --
> 2.11.0
--
Ville Syrjälä
Intel
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