drm/i915: call drm_encoder_init first

Later initialisation of the encoder often requires that
drm_encoder_init() has already been called, for instance, initialiasing
the DDC buses.

Yet another recent regression, as 819f3fb7 depended upon these fixes
which I missed when cherry-picking.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 7 insertions, 8 deletions

diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index d2b4a6a2840..f7030e48108 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -2552,6 +2552,8 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
 
         intel_encoder = &intel_sdvo->base;
         intel_encoder->type = INTEL_OUTPUT_SDVO;
+        /* encoder type will be decided later */
+        drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
 
         if (HAS_PCH_SPLIT(dev)) {
                 i2c_reg = PCH_GPIOE;
@@ -2606,31 +2608,29 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
         /* Wrap with our custom algo which switches to DDC mode */
         intel_encoder->ddc_bus->algo = &intel_sdvo_i2c_bit_algo;
 
-        /* encoder type will be decided later */
-        drm_encoder_init(dev, &intel_encoder->base, &intel_sdvo_enc_funcs, 0);
         drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs);
 
         /* In default case sdvo lvds is false */
         if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps))
-                goto err_enc;
+                goto err_i2c;
 
         if (intel_sdvo_output_setup(intel_sdvo,
                                     intel_sdvo->caps.output_flags) != true) {
                 DRM_DEBUG_KMS("SDVO output failed to setup on SDVO%c\n",
                               IS_SDVOB(sdvo_reg) ? 'B' : 'C');
-                goto err_enc;
+                goto err_i2c;
         }
 
         intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg);
 
         /* Set the input timing to the screen. Assume always input 0. */
         if (!intel_sdvo_set_target_input(intel_sdvo))
-                goto err_enc;
+                goto err_i2c;
 
         if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo,
                                                     &intel_sdvo->pixel_clock_min,
                                                     &intel_sdvo->pixel_clock_max))
-                goto err_enc;
+                goto err_i2c;
 
         DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, "
                         "clock range %dMHz - %dMHz, "
@@ -2650,14 +2650,13 @@ bool intel_sdvo_init(struct drm_device *dev, int sdvo_reg)
                         (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
         return true;
 
-err_enc:
-        drm_encoder_cleanup(&intel_encoder->base);
 err_i2c:
         if (intel_encoder->ddc_bus != NULL)
                 intel_i2c_destroy(intel_encoder->ddc_bus);
         if (intel_encoder->i2c_bus != NULL)
                 intel_i2c_destroy(intel_encoder->i2c_bus);
 err_inteloutput:
+        drm_encoder_cleanup(&intel_encoder->base);
         kfree(intel_sdvo);
 
         return false;