diff options
| author | Keith Packard <keithp@keithp.com> | 2008-03-27 11:40:04 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2008-04-11 20:31:07 -0700 |
| commit | b986d7d2c9090fc62c1853f62886dd124e8066c1 (patch) | |
| tree | 7708fe1972d96c027c0205ad9aecd796ab427257 | |
| parent | db61f02bd7e4b9d5ac416f1ef98bac1bd4d984bc (diff) | |
Save and restore dsparb and d_state regs
| -rw-r--r-- | linux-core/i915_drv.c | 7 | ||||
| -rw-r--r-- | shared-core/i915_drv.h | 10 |
2 files changed, 17 insertions, 0 deletions
diff --git a/linux-core/i915_drv.c b/linux-core/i915_drv.c index e18bc8d0..5a6f0adc 100644 --- a/linux-core/i915_drv.c +++ b/linux-core/i915_drv.c @@ -281,6 +281,9 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state) pci_save_state(dev->pdev); pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB); + /* Display arbitration control */ + dev_priv->saveDSPARB = I915_READ(DSPARB); + /* Pipe & plane A info */ dev_priv->savePIPEACONF = I915_READ(PIPEACONF); dev_priv->savePIPEASRC = I915_READ(PIPEASRC); @@ -374,6 +377,7 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state) dev_priv->saveVGACNTRL = I915_READ(VGACNTRL); /* Clock gating state */ + dev_priv->saveD_STATE = I915_READ(D_STATE); dev_priv->saveDSPCLK_GATE_D = I915_READ(DSPCLK_GATE_D); /* Cache mode state */ @@ -413,6 +417,8 @@ static int i915_resume(struct drm_device *dev) pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB); + I915_WRITE(DSPARB, dev_priv->saveDSPARB); + /* Pipe & plane A info */ /* Prime the clock */ if (dev_priv->saveDPLL_A & DPLL_VCO_ENABLE) { @@ -532,6 +538,7 @@ static int i915_resume(struct drm_device *dev) udelay(150); /* Clock gating state */ + I915_WRITE (D_STATE, dev_priv->saveD_STATE); I915_WRITE (DSPCLK_GATE_D, dev_priv->saveDSPCLK_GATE_D); /* Cache mode state */ diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index 59f515c1..78889edb 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -157,6 +157,7 @@ typedef struct drm_i915_private { u8 saveLBB; u32 saveDSPACNTR; u32 saveDSPBCNTR; + u32 saveDSPARB; u32 savePIPEACONF; u32 savePIPEBCONF; u32 savePIPEASRC; @@ -226,6 +227,7 @@ typedef struct drm_i915_private { u32 saveIIR; u32 saveIMR; u32 saveCACHE_MODE_0; + u32 saveD_STATE; u32 saveDSPCLK_GATE_D; u32 saveMI_ARB_STATE; u32 saveSWF0[16]; @@ -829,6 +831,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); /** P1 value is 2 greater than this field */ # define VGA0_PD_P1_MASK (0x1f << 0) +/* PCI D state control register */ +#define D_STATE 0x6104 #define DSPCLK_GATE_D 0x6200 /* I830 CRTC registers */ @@ -1147,6 +1151,12 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define PIPECONF_INTERLACE_W_FIELD_INDICATION (6 << 21) #define PIPECONF_INTERLACE_FIELD_0_ONLY (7 << 21) +#define DSPARB 0x70030 +#define DSPARB_CSTART_MASK (0x7f << 7) +#define DSPARB_CSTART_SHIFT 7 +#define DSPARB_BSTART_MASK (0x7f) +#define DSPARB_BSTART_SHIFT 0 + #define PIPEBCONF 0x71008 #define PIPEBCONF_ENABLE (1<<31) #define PIPEBCONF_DISABLE 0 |