drm/i915: Mark the static memory latency tables const.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 9839494528aea0d1d4f3d4685e64fbb4fe7dc8c1..f3b014fe3508627e77ca89c49ac6b3b771551ead 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -2882,7 +2882,7 @@ struct cxsr_latency {
        unsigned long cursor_hpll_disable;
 };
 
-static struct cxsr_latency cxsr_latency_table[] = {
+static const struct cxsr_latency cxsr_latency_table[] = {
        {1, 0, 800, 400, 3382, 33382, 3983, 33983},    /* DDR2-400 SC */
        {1, 0, 800, 667, 3354, 33354, 3807, 33807},    /* DDR2-667 SC */
        {1, 0, 800, 800, 3347, 33347, 3763, 33763},    /* DDR2-800 SC */
@@ -2920,11 +2920,13 @@ static struct cxsr_latency cxsr_latency_table[] = {
        {0, 1, 400, 800, 6042, 36042, 6584, 36584},    /* DDR3-800 SC */
 };
 
-static struct cxsr_latency *intel_get_cxsr_latency(int is_desktop, int is_ddr3, 
-                                                  int fsb, int mem)
+static const struct cxsr_latency *intel_get_cxsr_latency(int is_desktop,
+                                                        int is_ddr3,
+                                                        int fsb,
+                                                        int mem)
 {
+       const struct cxsr_latency *latency;
        int i;
-       struct cxsr_latency *latency;
 
        if (fsb == 0 || mem == 0)
                return NULL;
@@ -3035,12 +3037,12 @@ static void pineview_update_wm(struct drm_device *dev,  int planea_clock,
                          int pixel_size)
 {
        struct drm_i915_private *dev_priv = dev->dev_private;
+       const struct cxsr_latency *latency;
        u32 reg;
        unsigned long wm;
-       struct cxsr_latency *latency;
        int sr_clock;
 
-       latency = intel_get_cxsr_latency(IS_PINEVIEW_G(dev), dev_priv->is_ddr3, 
+       latency = intel_get_cxsr_latency(IS_PINEVIEW_G(dev), dev_priv->is_ddr3,
                                         dev_priv->fsb_freq, dev_priv->mem_freq);
        if (!latency) {
                DRM_DEBUG_KMS("Unknown FSB/MEM found, disable CxSR\n");