diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2013-01-25 21:44:46 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-01-31 11:50:12 +0100 |
| commit | 766aa1c42362eafc53f5939cd3f83113e9d062ed (patch) | |
| tree | 195794e1c1dcd325a27474f17def29a3c1593aa9 /drivers/gpu/drm/i915 | |
| parent | d93c6233543cdab83eca4d0590737c3e99314fd6 (diff) | |
drm/i915: Introduce i915_vgacntrl_reg()
The VGACNTRL register has moved around between different platforms.
To handle the differences add i915_vgacntrl_reg() which returns the
correct offset for the VGACNTRL register.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_reg.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 10 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 14 |
4 files changed, 16 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index d3274164143..984523d809a 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -1887,4 +1887,14 @@ __i915_write(64, q) #define INTEL_BROADCAST_RGB_FULL 1 #define INTEL_BROADCAST_RGB_LIMITED 2 +static inline uint32_t i915_vgacntrl_reg(struct drm_device *dev) +{ + if (HAS_PCH_SPLIT(dev)) + return CPU_VGACNTRL; + else if (IS_VALLEYVIEW(dev)) + return VLV_VGACNTRL; + else + return VGACNTRL; +} + #endif diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h index 9a3cd047ad9..e2b592a68f5 100644 --- a/drivers/gpu/drm/i915/i915_reg.h +++ b/drivers/gpu/drm/i915/i915_reg.h @@ -3238,6 +3238,8 @@ # define VGA_2X_MODE (1 << 30) # define VGA_PIPE_B_SELECT (1 << 29) +#define VLV_VGACNTRL (VLV_DISPLAY_BASE + 0x71400) + /* Ironlake */ #define CPU_VGACNTRL 0x41000 diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 3911e0450bb..2135f21ea45 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -73,10 +73,7 @@ static void i915_save_vga(struct drm_device *dev) dev_priv->regfile.saveVGA0 = I915_READ(VGA0); dev_priv->regfile.saveVGA1 = I915_READ(VGA1); dev_priv->regfile.saveVGA_PD = I915_READ(VGA_PD); - if (HAS_PCH_SPLIT(dev)) - dev_priv->regfile.saveVGACNTRL = I915_READ(CPU_VGACNTRL); - else - dev_priv->regfile.saveVGACNTRL = I915_READ(VGACNTRL); + dev_priv->regfile.saveVGACNTRL = I915_READ(i915_vgacntrl_reg(dev)); /* VGA color palette registers */ dev_priv->regfile.saveDACMASK = I915_READ8(VGA_DACMASK); @@ -137,10 +134,7 @@ static void i915_restore_vga(struct drm_device *dev) u16 cr_index, cr_data, st01; /* VGA state */ - if (HAS_PCH_SPLIT(dev)) - I915_WRITE(CPU_VGACNTRL, dev_priv->regfile.saveVGACNTRL); - else - I915_WRITE(VGACNTRL, dev_priv->regfile.saveVGACNTRL); + I915_WRITE(i915_vgacntrl_reg(dev), dev_priv->regfile.saveVGACNTRL); I915_WRITE(VGA0, dev_priv->regfile.saveVGA0); I915_WRITE(VGA1, dev_priv->regfile.saveVGA1); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 1f1d045912f..62f45907e4d 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -8670,12 +8670,7 @@ static void i915_disable_vga(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; u8 sr1; - u32 vga_reg; - - if (HAS_PCH_SPLIT(dev)) - vga_reg = CPU_VGACNTRL; - else - vga_reg = VGACNTRL; + u32 vga_reg = i915_vgacntrl_reg(dev); vga_get_uninterruptible(dev->pdev, VGA_RSRC_LEGACY_IO); outb(SR01, VGA_SR_INDEX); @@ -8937,12 +8932,7 @@ static void intel_sanitize_encoder(struct intel_encoder *encoder) void i915_redisable_vga(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; - u32 vga_reg; - - if (HAS_PCH_SPLIT(dev)) - vga_reg = CPU_VGACNTRL; - else - vga_reg = VGACNTRL; + u32 vga_reg = i915_vgacntrl_reg(dev); if (I915_READ(vga_reg) != VGA_DISP_DISABLE) { DRM_DEBUG_KMS("Something enabled VGA plane, disabling it\n"); |