Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / drivers / gpu / drm / i915 / intel_display.c

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 56a8554..04411ad 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1799,6 +1799,7 @@ static void intel_update_fbc(struct drm_device *dev)
        struct drm_framebuffer *fb;
        struct intel_framebuffer *intel_fb;
        struct drm_i915_gem_object *obj;
+       int enable_fbc;
 
        DRM_DEBUG_KMS("\n");
 
@@ -1839,8 +1840,15 @@ static void intel_update_fbc(struct drm_device *dev)
        intel_fb = to_intel_framebuffer(fb);
        obj = intel_fb->obj;
 
-       if (!i915_enable_fbc) {
-               DRM_DEBUG_KMS("fbc disabled per module param (default off)\n");
+       enable_fbc = i915_enable_fbc;
+       if (enable_fbc < 0) {
+               DRM_DEBUG_KMS("fbc set to per-chip default\n");
+               enable_fbc = 1;
+               if (INTEL_INFO(dev)->gen <= 5)
+                       enable_fbc = 0;
+       }
+       if (!enable_fbc) {
+               DRM_DEBUG_KMS("fbc disabled per module param\n");
                dev_priv->no_fbc_reason = FBC_MODULE_PARAM;
                goto out_disable;
        }
@@ -4687,13 +4695,13 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
                bpc = 6; /* min is 18bpp */
                break;
        case 24:
-               bpc = min((unsigned int)8, display_bpc);
+               bpc = 8;
                break;
        case 30:
-               bpc = min((unsigned int)10, display_bpc);
+               bpc = 10;
                break;
        case 48:
-               bpc = min((unsigned int)12, display_bpc);
+               bpc = 12;
                break;
        default:
                DRM_DEBUG("unsupported depth, assuming 24 bits\n");
@@ -4701,10 +4709,12 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc,
                break;
        }
 
+       display_bpc = min(display_bpc, bpc);
+
        DRM_DEBUG_DRIVER("setting pipe bpc to %d (max display bpc %d)\n",
                         bpc, display_bpc);
 
-       *pipe_bpp = bpc * 3;
+       *pipe_bpp = display_bpc * 3;
 
        return display_bpc != bpc;
 }