drm/i915: simplify pipe checking

This is also handled by i915_reg.h, so just reuse this trick to reduce
universe entropy.

Signed-off-by: Eugeni Dodonov <[email protected]>
Reviewed-by: Jesse Barnes <[email protected]>
Reviewed-by: Cyril Brulebois <[email protected]>
Signed-off-by: Keith Packard <[email protected]>

diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index 7886e4fb60e3e23fb283461a690dbe43a928fc6e..c0b945cdcd9acdf7d5bb3ea208711af86ee79754 100644 (file)
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -28,6 +28,7 @@
 #include "drm.h"
 #include "i915_drm.h"
 #include "intel_drv.h"
+#include "i915_reg.h"
 
 static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
 {
@@ -35,7 +36,7 @@ static bool i915_pipe_enabled(struct drm_device *dev, enum pipe pipe)
        u32     dpll_reg;
 
        if (HAS_PCH_SPLIT(dev))
-               dpll_reg = (pipe == PIPE_A) ? _PCH_DPLL_A : _PCH_DPLL_B;
+               dpll_reg = PCH_DPLL(pipe);
        else
                dpll_reg = (pipe == PIPE_A) ? _DPLL_A : _DPLL_B;