drm/i915: Remove unused supported_crtc from intel_load_detect_pipe

... and the no longer relevant comment. The code ceased stealing a pipe
for load detection a long time ago.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 81c4f59..dfa965a 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5488,7 +5488,6 @@ bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
 {
        struct intel_crtc *intel_crtc;
        struct drm_crtc *possible_crtc;
-       struct drm_crtc *supported_crtc =NULL;
        struct drm_encoder *encoder = &intel_encoder->base;
        struct drm_crtc *crtc = NULL;
        struct drm_device *dev = encoder->dev;
@@ -5498,12 +5497,12 @@ bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
 
        /*
         * Algorithm gets a little messy:
+        *
         *   - if the connector already has an assigned crtc, use it (but make
         *     sure it's on first)
+        *
         *   - try to find the first unused crtc that can drive this connector,
         *     and use that if we find one
-        *   - if there are no unused crtcs available, try to use the first
-        *     one we found that supports the connector
         */
 
        /* See if we already have a CRTC for this connector */
@@ -5533,8 +5532,6 @@ bool intel_get_load_detect_pipe(struct intel_encoder *intel_encoder,
                        crtc = possible_crtc;
                        break;
                }
-               if (!supported_crtc)
-                       supported_crtc = possible_crtc;
        }
 
        /*