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authorDan Williams <dan.j.williams@intel.com>2010-05-17 16:30:58 -0700
committerDan Williams <dan.j.williams@intel.com>2010-05-17 16:30:58 -0700
commit0b28330e39bbe0ffee4c56b09fc415fcec595ea3 (patch)
treefcf504879883763557e696eff81427b1ab78f76b /drivers/gpu/drm/i915/intel_display.c
parent058276303dbc4ed089c1f7dad0871810b1f5ddf1 (diff)
parentcaa20d974c86af496b419eef70010e63b7fab7ac (diff)
Merge branch 'ioat' into dmaengine
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/intel_display.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 9cd6de5f990..e7e753b2845 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -28,6 +28,7 @@
#include <linux/input.h>
#include <linux/i2c.h>
#include <linux/kernel.h>
+#include <linux/slab.h>
#include "drmP.h"
#include "intel_drv.h"
#include "i915_drm.h"
@@ -1032,7 +1033,7 @@ static void i8xx_enable_fbc(struct drm_crtc *crtc, unsigned long interval)
/* enable it... */
fbc_ctl = FBC_CTL_EN | FBC_CTL_PERIODIC;
if (IS_I945GM(dev))
- fbc_ctl |= FBC_C3_IDLE; /* 945 needs special SR handling */
+ fbc_ctl |= FBC_CTL_C3_IDLE; /* 945 needs special SR handling */
fbc_ctl |= (dev_priv->cfb_pitch & 0xff) << FBC_CTL_STRIDE_SHIFT;
fbc_ctl |= (interval & 0x2fff) << FBC_CTL_INTERVAL_SHIFT;
if (obj_priv->tiling_mode != I915_TILING_NONE)
@@ -4717,6 +4718,20 @@ void intel_init_clock_gating(struct drm_device *dev)
* specs, but enable as much else as we can.
*/
if (HAS_PCH_SPLIT(dev)) {
+ uint32_t dspclk_gate = VRHUNIT_CLOCK_GATE_DISABLE;
+
+ if (IS_IRONLAKE(dev)) {
+ /* Required for FBC */
+ dspclk_gate |= DPFDUNIT_CLOCK_GATE_DISABLE;
+ /* Required for CxSR */
+ dspclk_gate |= DPARBUNIT_CLOCK_GATE_DISABLE;
+
+ I915_WRITE(PCH_3DCGDIS0,
+ MARIUNIT_CLOCK_GATE_DISABLE |
+ SVSMUNIT_CLOCK_GATE_DISABLE);
+ }
+
+ I915_WRITE(PCH_DSPCLK_GATE_D, dspclk_gate);
return;
} else if (IS_G4X(dev)) {
uint32_t dspclk_gate;