drm/i915/sdvo: Use a compact test for determining a multi-function device
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c
index 45cd376..fc01604 100644
--- a/drivers/gpu/drm/i915/intel_sdvo.c
+++ b/drivers/gpu/drm/i915/intel_sdvo.c
@@ -1267,33 +1267,9 @@
static bool
intel_sdvo_multifunc_encoder(struct intel_sdvo *intel_sdvo)
{
- int caps = 0;
-
- if (intel_sdvo->caps.output_flags &
- (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1))
- caps++;
- if (intel_sdvo->caps.output_flags &
- (SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1))
- caps++;
- if (intel_sdvo->caps.output_flags &
- (SDVO_OUTPUT_SVID0 | SDVO_OUTPUT_SVID1))
- caps++;
- if (intel_sdvo->caps.output_flags &
- (SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_CVBS1))
- caps++;
- if (intel_sdvo->caps.output_flags &
- (SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_YPRPB1))
- caps++;
-
- if (intel_sdvo->caps.output_flags &
- (SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1))
- caps++;
-
- if (intel_sdvo->caps.output_flags &
- (SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1))
- caps++;
-
- return (caps > 1);
+ /* Is there more than one type of output? */
+ int caps = intel_sdvo->caps.output_flags & 0xf;
+ return caps & -caps;
}
static struct edid *