diff options
| author | Zhao Yakui <yakui.zhao@intel.com> | 2010-06-12 14:32:27 +0800 |
|---|---|---|
| committer | Eric Anholt <eric@anholt.net> | 2010-08-01 19:03:44 -0700 |
| commit | b52eb4dcab23fe0c52a437276258e0afcf913ef5 (patch) | |
| tree | 72391fa2b4cf33155e078ab6467245403fbd3d18 /drivers/gpu/drm/i915/i915_dma.c | |
| parent | c936f44d1b2daea2fd1d52300cab792abe01e28c (diff) | |
drm/i915: Add frame buffer compression support on Ironlake mobile
About 0.2W power can be saved on one HP laptop.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_dma.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_dma.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 92898035845..9ddb7b5ac05 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1257,7 +1257,7 @@ static void i915_setup_compression(struct drm_device *dev, int size) drm_mm_put_block(compressed_fb); } - if (!IS_GM45(dev)) { + if (!(IS_GM45(dev) || IS_IRONLAKE_M(dev))) { compressed_llb = drm_mm_search_free(&dev_priv->vram, 4096, 4096, 0); if (!compressed_llb) { @@ -1283,8 +1283,9 @@ static void i915_setup_compression(struct drm_device *dev, int size) intel_disable_fbc(dev); dev_priv->compressed_fb = compressed_fb; - - if (IS_GM45(dev)) { + if (IS_IRONLAKE_M(dev)) + I915_WRITE(ILK_DPFC_CB_BASE, compressed_fb->start); + else if (IS_GM45(dev)) { I915_WRITE(DPFC_CB_BASE, compressed_fb->start); } else { I915_WRITE(FBC_CFB_BASE, cfb_base); @@ -1292,7 +1293,7 @@ static void i915_setup_compression(struct drm_device *dev, int size) dev_priv->compressed_llb = compressed_llb; } - DRM_DEBUG("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n", cfb_base, + DRM_DEBUG_KMS("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n", cfb_base, ll_base, size >> 20); } |