drm/i915/skl+: no need to memset again

We are already doing memset of ddb structure at the begining of skl_allocate_pipe_ddb
function, No need to again do a memset.

Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170517115831.13830-7-mahesh1.kumar@intel.com

diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index f494af3..37dd3e7 100644 (file)
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -4072,10 +4072,8 @@ skl_allocate_pipe_ddb(struct intel_crtc_state *cstate,
 
        skl_ddb_get_pipe_allocation_limits(dev, cstate, alloc, &num_active);
        alloc_size = skl_ddb_entry_size(alloc);
-       if (alloc_size == 0) {
-               memset(ddb->plane[pipe], 0, sizeof(ddb->plane[pipe]));
+       if (alloc_size == 0)
                return 0;
-       }
 
        skl_ddb_calc_min(cstate, num_active, minimum, y_minimum);