drm/i915: Refactor max WM level
Pull the expected max WM level determinations out to a separate
function. Will have another user soon.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 865d524..c1b601aa 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -2561,19 +2561,22 @@
wm[3] *= 2;
}
+static int ilk_wm_max_level(const struct drm_device *dev)
+{
+ /* how many WM levels are we expecting */
+ if (IS_HASWELL(dev))
+ return 4;
+ else if (INTEL_INFO(dev)->gen >= 6)
+ return 3;
+ else
+ return 2;
+}
+
static void intel_print_wm_latency(struct drm_device *dev,
const char *name,
const uint16_t wm[5])
{
- int level, max_level;
-
- /* how many WM levels are we expecting */
- if (IS_HASWELL(dev))
- max_level = 4;
- else if (INTEL_INFO(dev)->gen >= 6)
- max_level = 3;
- else
- max_level = 2;
+ int level, max_level = ilk_wm_max_level(dev);
for (level = 0; level <= max_level; level++) {
unsigned int latency = wm[level];