From: Suraj Kandpal <suraj.kand...@intel.com>

Changing intel_connector iterators as with writeback introduction
not all drm_connector will be embedded within intel_connector.

Signed-off-by: Suraj Kandpal <suraj.kand...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_display.h  |  7 ++---
 .../drm/i915/display/intel_display_types.h    | 26 ++++++++++++++++++-
 .../drm/i915/display/intel_modeset_setup.c    | 16 +++++++++---
 3 files changed, 40 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display.h 
b/drivers/gpu/drm/i915/display/intel_display.h
index 4e9f22954a41..3b9987b5f304 100644
--- a/drivers/gpu/drm/i915/display/intel_display.h
+++ b/drivers/gpu/drm/i915/display/intel_display.h
@@ -52,6 +52,7 @@ struct intel_crtc_state;
 struct intel_digital_port;
 struct intel_dp;
 struct intel_encoder;
+struct intel_connector;
 struct intel_initial_plane_config;
 struct intel_load_detect_pipe;
 struct intel_plane;
@@ -469,16 +470,12 @@ enum hpd_pin {
                for_each_if(intel_encoder_can_psr(intel_encoder))
 
 #define for_each_intel_connector_iter(intel_connector, iter) \
-       while ((intel_connector = 
to_intel_connector(drm_connector_list_iter_next(iter))))
+       while ((intel_connector = intel_connector_list_iter_next(iter)))
 
 #define for_each_encoder_on_crtc(dev, __crtc, intel_encoder) \
        list_for_each_entry((intel_encoder), &(dev)->mode_config.encoder_list, 
base.head) \
                for_each_if((intel_encoder)->base.crtc == (__crtc))
 
-#define for_each_connector_on_encoder(dev, __encoder, intel_connector) \
-       list_for_each_entry((intel_connector), 
&(dev)->mode_config.connector_list, base.head) \
-               for_each_if((intel_connector)->base.encoder == (__encoder))
-
 #define for_each_old_intel_plane_in_state(__state, plane, old_plane_state, 
__i) \
        for ((__i) = 0; \
             (__i) < (__state)->base.dev->mode_config.num_total_plane && \
diff --git a/drivers/gpu/drm/i915/display/intel_display_types.h 
b/drivers/gpu/drm/i915/display/intel_display_types.h
index 0e94bd430bcb..7a82b7acbaf2 100644
--- a/drivers/gpu/drm/i915/display/intel_display_types.h
+++ b/drivers/gpu/drm/i915/display/intel_display_types.h
@@ -1497,12 +1497,14 @@ struct cxsr_latency {
 #define to_intel_atomic_state(x) container_of(x, struct intel_atomic_state, 
base)
 #define to_intel_crtc(x) container_of(x, struct intel_crtc, base)
 #define to_intel_crtc_state(x) container_of(x, struct intel_crtc_state, uapi)
-#define to_intel_connector(x) container_of(x, struct intel_connector, base)
+#define to_intel_wb_connector(x) container_of(x, struct intel_wb_connector, 
base)
 #define to_intel_encoder(x) container_of(x, struct intel_encoder, base)
 #define to_intel_framebuffer(x) container_of(x, struct intel_framebuffer, base)
 #define to_intel_plane(x) container_of(x, struct intel_plane, base)
 #define to_intel_plane_state(x) container_of(x, struct intel_plane_state, uapi)
 #define intel_fb_obj(x) ((x) ? to_intel_bo((x)->obj[0]) : NULL)
+#define to_intel_connector(x) (((x->connector_type == 
DRM_MODE_CONNECTOR_WRITEBACK)) ? \
+                               NULL : container_of(x, struct intel_connector, 
base))
 
 struct intel_hdmi {
        i915_reg_t hdmi_reg;
@@ -2068,4 +2070,26 @@ to_intel_frontbuffer(struct drm_framebuffer *fb)
        return fb ? to_intel_framebuffer(fb)->frontbuffer : NULL;
 }
 
+static inline struct intel_connector *
+intel_connector_list_iter_next(struct drm_connector_list_iter *iter)
+{
+       struct drm_connector *connector;
+       bool flag = true;
+       /*
+        * Skipping connector that are Writeback connector as they will
+        * not be embedded in intel connector
+        */
+       while (flag) {
+               connector = drm_connector_list_iter_next(iter);
+               if (connector && !to_intel_connector(connector))
+                       continue;
+
+               flag = false;
+
+               if (connector)
+                       return to_intel_connector(connector);
+
+       }
+       return NULL;
+}
 #endif /*  __INTEL_DISPLAY_TYPES_H__ */
diff --git a/drivers/gpu/drm/i915/display/intel_modeset_setup.c 
b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
index f0e04d3904c6..985dfa5f7aa1 100644
--- a/drivers/gpu/drm/i915/display/intel_modeset_setup.c
+++ b/drivers/gpu/drm/i915/display/intel_modeset_setup.c
@@ -204,12 +204,22 @@ static bool intel_crtc_has_encoders(struct intel_crtc 
*crtc)
 
 static struct intel_connector *intel_encoder_find_connector(struct 
intel_encoder *encoder)
 {
-       struct drm_device *dev = encoder->base.dev;
+       struct drm_i915_private *i915 = to_i915(encoder->base.dev);
        struct intel_connector *connector;
+       struct drm_connector_list_iter conn_iter;
+       bool found_connector = false;
 
-       for_each_connector_on_encoder(dev, &encoder->base, connector)
-               return connector;
+       drm_connector_list_iter_begin(&i915->drm, &conn_iter);
+       for_each_intel_connector_iter(connector, &conn_iter) {
+               if (&encoder->base == connector->base.encoder) {
+                       found_connector = true;
+                       break;
+               }
+       }
+       drm_connector_list_iter_end(&conn_iter);
 
+       if (found_connector)
+               return connector;
        return NULL;
 }
 
-- 
2.25.1

Reply via email to