The code in intel_modeset_pipe_config() still needs changes before it
can calculate more than just one pipe_config, and pretending it can will
only make those changes more difficult.

Signed-off-by: Ander Conselvan de Oliveira 
<[email protected]>
---
 drivers/gpu/drm/i915/intel_display.c | 45 +++++++++++++++---------------------
 1 file changed, 19 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index e6e7c63..d1253b1 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11310,33 +11310,29 @@ clear_intel_crtc_state(struct intel_crtc_state 
*crtc_state)
        crtc_state->scaler_state = scaler_state;
 }
 
-static struct intel_crtc_state *
+static int
 intel_modeset_pipe_config(struct drm_crtc *crtc,
                          struct drm_display_mode *mode,
-                         struct drm_atomic_state *state)
+                         struct drm_atomic_state *state,
+                         struct intel_crtc_state *pipe_config)
 {
        struct intel_encoder *encoder;
        struct drm_connector *connector;
        struct drm_connector_state *connector_state;
-       struct intel_crtc_state *pipe_config;
        int base_bpp, ret = -EINVAL;
        int i;
        bool retry = true;
 
        if (!check_encoder_cloning(state, to_intel_crtc(crtc))) {
                DRM_DEBUG_KMS("rejecting invalid cloning configuration\n");
-               return ERR_PTR(-EINVAL);
+               return -EINVAL;
        }
 
        if (!check_digital_port_conflicts(state)) {
                DRM_DEBUG_KMS("rejecting conflicting digital port 
configuration\n");
-               return ERR_PTR(-EINVAL);
+               return -EINVAL;
        }
 
-       pipe_config = intel_atomic_get_crtc_state(state, to_intel_crtc(crtc));
-       if (IS_ERR(pipe_config))
-               return pipe_config;
-
        clear_intel_crtc_state(pipe_config);
 
        pipe_config->base.crtc = crtc;
@@ -11433,9 +11429,9 @@ encoder_retry:
        DRM_DEBUG_KMS("plane bpp: %i, pipe bpp: %i, dithering: %i\n",
                      base_bpp, pipe_config->pipe_bpp, pipe_config->dither);
 
-       return pipe_config;
+       return 0;
 fail:
-       return ERR_PTR(ret);
+       return ret;
 }
 
 /* Computes which crtcs are affected and sets the relevant bits in the mask. 
For
@@ -12116,9 +12112,7 @@ intel_modeset_compute_config(struct drm_crtc *crtc,
                             unsigned *prepare_pipes,
                             unsigned *disable_pipes)
 {
-       struct drm_device *dev = crtc->dev;
-       struct intel_crtc_state *pipe_config = NULL;
-       struct intel_crtc *intel_crtc;
+       struct intel_crtc_state *pipe_config;
        int ret = 0;
 
        ret = drm_atomic_add_affected_connectors(state, crtc);
@@ -12134,21 +12128,20 @@ intel_modeset_compute_config(struct drm_crtc *crtc,
         * (i.e. one pipe_config for each crtc) rather than just the one
         * for this crtc.
         */
-       for_each_intel_crtc_masked(dev, *modeset_pipes, intel_crtc) {
-               /* FIXME: For now we still expect modeset_pipes has at most
-                * one bit set. */
-               if (WARN_ON(&intel_crtc->base != crtc))
-                       continue;
+       pipe_config = intel_atomic_get_crtc_state(state, to_intel_crtc(crtc));
+       if (IS_ERR(pipe_config))
+               return pipe_config;
 
-               pipe_config = intel_modeset_pipe_config(crtc, mode, state);
-               if (IS_ERR(pipe_config))
-                       return pipe_config;
+       if (!(*modeset_pipes & (1 << to_intel_crtc(crtc)->pipe)))
+               return pipe_config;
 
-               intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config,
-                                      "[modeset]");
-       }
+       ret = intel_modeset_pipe_config(crtc, mode, state, pipe_config);
+       if (ret)
+               return ERR_PTR(ret);
+
+       intel_dump_pipe_config(to_intel_crtc(crtc), pipe_config,"[modeset]");
 
-       return intel_atomic_get_crtc_state(state, to_intel_crtc(crtc));;
+       return pipe_config;
 }
 
 static int __intel_set_mode_setup_plls(struct drm_atomic_state *state,
-- 
2.1.0

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