drm/i915: Add initial bits for VGA modesetting bringup on Sandybridge.
Signed-off-by: Eric Anholt <eric@anholt.net>
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 5eed463..1376dfe 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -162,7 +162,7 @@
struct drm_device *dev = node->minor->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
- if (!IS_IRONLAKE(dev)) {
+ if (!HAS_PCH_SPLIT(dev)) {
seq_printf(m, "Interrupt enable: %08x\n",
I915_READ(IER));
seq_printf(m, "Interrupt identity: %08x\n",
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index dbfe07c9..7bfded5 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1094,15 +1094,21 @@
* Some of the preallocated space is taken by the GTT
* and popup. GTT is 1K per MB of aperture size, and popup is 4K.
*/
- if (IS_G4X(dev) || IS_PINEVIEW(dev) || IS_IRONLAKE(dev))
+ if (IS_G4X(dev) || IS_PINEVIEW(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev))
overhead = 4096;
else
overhead = (*aperture_size / 1024) + 4096;
switch (tmp & INTEL_GMCH_GMS_MASK) {
case INTEL_855_GMCH_GMS_DISABLED:
- DRM_ERROR("video memory is disabled\n");
- return -1;
+ /* XXX: This is what my A1 silicon has. */
+ if (IS_GEN6(dev)) {
+ stolen = 64 * 1024 * 1024;
+ } else {
+ DRM_ERROR("video memory is disabled\n");
+ return -1;
+ }
+ break;
case INTEL_855_GMCH_GMS_STOLEN_1M:
stolen = 1 * 1024 * 1024;
break;
@@ -1180,7 +1186,7 @@
int gtt_offset, gtt_size;
if (IS_I965G(dev)) {
- if (IS_G4X(dev) || IS_IRONLAKE(dev)) {
+ if (IS_G4X(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) {
gtt_offset = 2*1024*1024;
gtt_size = 2*1024*1024;
} else {
@@ -1563,7 +1569,7 @@
dev->driver->get_vblank_counter = i915_get_vblank_counter;
dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
- if (IS_G4X(dev) || IS_IRONLAKE(dev)) {
+ if (IS_G4X(dev) || IS_IRONLAKE(dev) || IS_GEN6(dev)) {
dev->max_vblank_count = 0xffffffff; /* full 32 bit counter */
dev->driver->get_vblank_counter = gm45_get_vblank_counter;
}
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index ec06d486..f975926 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1065,7 +1065,7 @@
#define IS_845G(dev) ((dev)->pci_device == 0x2562)
#define IS_I85X(dev) ((dev)->pci_device == 0x3582)
#define IS_I865G(dev) ((dev)->pci_device == 0x2572)
-#define IS_I8XX(dev) (INTEL_INFO(dev)->is_i8xx)
+#define IS_GEN2(dev) (INTEL_INFO(dev)->is_i8xx)
#define IS_I915G(dev) (INTEL_INFO(dev)->is_i915g)
#define IS_I915GM(dev) ((dev)->pci_device == 0x2592)
#define IS_I945G(dev) ((dev)->pci_device == 0x2772)
@@ -1084,8 +1084,29 @@
#define IS_I9XX(dev) (INTEL_INFO(dev)->is_i9xx)
#define IS_MOBILE(dev) (INTEL_INFO(dev)->is_mobile)
+#define IS_GEN3(dev) (IS_I915G(dev) || \
+ IS_I915GM(dev) || \
+ IS_I945G(dev) || \
+ IS_I945GM(dev) || \
+ IS_G33(dev) || \
+ IS_PINEVIEW(dev))
+#define IS_GEN4(dev) ((dev)->pci_device == 0x2972 || \
+ (dev)->pci_device == 0x2982 || \
+ (dev)->pci_device == 0x2992 || \
+ (dev)->pci_device == 0x29A2 || \
+ (dev)->pci_device == 0x2A02 || \
+ (dev)->pci_device == 0x2A12 || \
+ (dev)->pci_device == 0x2E02 || \
+ (dev)->pci_device == 0x2E12 || \
+ (dev)->pci_device == 0x2E22 || \
+ (dev)->pci_device == 0x2E32 || \
+ (dev)->pci_device == 0x2A42 || \
+ (dev)->pci_device == 0x2E42)
+
#define I915_NEED_GFX_HWS(dev) (INTEL_INFO(dev)->need_gfx_hws)
+#define IS_GEN6(dev) ((dev)->pci_device == 0x0102)
+
/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
* rows, which changed the alignment requirements and fence programming.
*/
@@ -1106,6 +1127,9 @@
#define I915_HAS_FBC(dev) (INTEL_INFO(dev)->has_fbc)
#define I915_HAS_RC6(dev) (INTEL_INFO(dev)->has_rc6)
+#define HAS_PCH_SPLIT(dev) (IS_IRONLAKE(dev) || \
+ IS_GEN6(dev))
+
#define PRIMARY_RINGBUFFER_SIZE (128*1024)
#endif
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index b5df30c..a35dc8c 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1818,7 +1818,7 @@
return -EIO;
if (!i915_seqno_passed(i915_get_gem_seqno(dev), seqno)) {
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
ier = I915_READ(DEIER) | I915_READ(GTIER);
else
ier = I915_READ(IER);
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 2065377..b5c55d8 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -92,7 +92,7 @@
uint32_t swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
uint32_t swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
- if (IS_IRONLAKE(dev)) {
+ if (IS_IRONLAKE(dev) || IS_GEN6(dev)) {
/* On Ironlake whatever DRAM config, GPU always do
* same swizzling setup.
*/
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ba1d831..ef79d94 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -842,7 +842,7 @@
atomic_inc(&dev_priv->irq_received);
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
return ironlake_irq_handler(dev);
iir = I915_READ(IIR);
@@ -1003,7 +1003,7 @@
spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
if (dev->irq_enabled && (++dev_priv->user_irq_refcount == 1)) {
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
ironlake_enable_graphics_irq(dev_priv, GT_USER_INTERRUPT);
else
i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
@@ -1019,7 +1019,7 @@
spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
BUG_ON(dev->irq_enabled && dev_priv->user_irq_refcount <= 0);
if (dev->irq_enabled && (--dev_priv->user_irq_refcount == 0)) {
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
ironlake_disable_graphics_irq(dev_priv, GT_USER_INTERRUPT);
else
i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
@@ -1127,7 +1127,7 @@
return -EINVAL;
spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
ironlake_enable_display_irq(dev_priv, (pipe == 0) ?
DE_PIPEA_VBLANK: DE_PIPEB_VBLANK);
else if (IS_I965G(dev))
@@ -1149,7 +1149,7 @@
unsigned long irqflags;
spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
ironlake_disable_display_irq(dev_priv, (pipe == 0) ?
DE_PIPEA_VBLANK: DE_PIPEB_VBLANK);
else
@@ -1163,7 +1163,7 @@
{
struct drm_i915_private *dev_priv = dev->dev_private;
- if (!IS_IRONLAKE(dev))
+ if (!HAS_PCH_SPLIT(dev))
opregion_enable_asle(dev);
dev_priv->irq_enabled = 1;
}
@@ -1349,7 +1349,7 @@
INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func);
INIT_WORK(&dev_priv->error_work, i915_error_work_func);
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
ironlake_irq_preinstall(dev);
return;
}
@@ -1381,7 +1381,7 @@
dev_priv->vblank_pipe = DRM_I915_VBLANK_PIPE_A | DRM_I915_VBLANK_PIPE_B;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
return ironlake_irq_postinstall(dev);
/* Unmask the interrupts that we always want on. */
@@ -1469,7 +1469,7 @@
dev_priv->vblank_pipe = 0;
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
ironlake_irq_uninstall(dev);
return;
}
diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index 15fbc1b..70c9d4b 100644
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -247,6 +247,7 @@
parse_general_features(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
{
+ struct drm_device *dev = dev_priv->dev;
struct bdb_general_features *general;
/* Set sensible defaults in case we can't find the general block */
@@ -263,7 +264,7 @@
if (IS_I85X(dev_priv->dev))
dev_priv->lvds_ssc_freq =
general->ssc_freq ? 66 : 48;
- else if (IS_IRONLAKE(dev_priv->dev))
+ else if (IS_IRONLAKE(dev_priv->dev) || IS_GEN6(dev))
dev_priv->lvds_ssc_freq =
general->ssc_freq ? 100 : 120;
else
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index 79dd402..fccf074 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -39,7 +39,7 @@
struct drm_i915_private *dev_priv = dev->dev_private;
u32 temp, reg;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
reg = PCH_ADPA;
else
reg = ADPA;
@@ -113,7 +113,7 @@
else
dpll_md_reg = DPLL_B_MD;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
adpa_reg = PCH_ADPA;
else
adpa_reg = ADPA;
@@ -122,7 +122,7 @@
* Disable separate mode multiplier used when cloning SDVO to CRT
* XXX this needs to be adjusted when we really are cloning
*/
- if (IS_I965G(dev) && !IS_IRONLAKE(dev)) {
+ if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev)) {
dpll_md = I915_READ(dpll_md_reg);
I915_WRITE(dpll_md_reg,
dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
@@ -136,11 +136,11 @@
if (intel_crtc->pipe == 0) {
adpa |= ADPA_PIPE_A_SELECT;
- if (!IS_IRONLAKE(dev))
+ if (!HAS_PCH_SPLIT(dev))
I915_WRITE(BCLRPAT_A, 0);
} else {
adpa |= ADPA_PIPE_B_SELECT;
- if (!IS_IRONLAKE(dev))
+ if (!HAS_PCH_SPLIT(dev))
I915_WRITE(BCLRPAT_B, 0);
}
@@ -202,7 +202,7 @@
u32 hotplug_en;
int i, tries = 0;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
return intel_ironlake_crt_detect_hotplug(connector);
/*
@@ -524,7 +524,7 @@
&intel_output->enc);
/* Set up the DDC bus. */
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
i2c_reg = PCH_GPIOA;
else {
i2c_reg = GPIOA;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 1b5cd83..ce28f18 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -232,7 +232,7 @@
#define G4X_P2_DISPLAY_PORT_FAST 10
#define G4X_P2_DISPLAY_PORT_LIMIT 0
-/* Ironlake */
+/* Ironlake / Sandybridge */
/* as we calculate clock using (register_value + 2) for
N/M1/M2, so here the range value for them is (actual_value-2).
*/
@@ -690,7 +690,7 @@
struct drm_device *dev = crtc->dev;
const intel_limit_t *limit;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
limit = intel_ironlake_limit(crtc);
else if (IS_G4X(dev)) {
limit = intel_g4x_limit(crtc);
@@ -1371,7 +1371,7 @@
dspcntr &= ~DISPPLANE_TILED;
}
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
/* must disable */
dspcntr |= DISPPLANE_TRICKLE_FEED_DISABLE;
@@ -1432,7 +1432,7 @@
u8 sr1;
u32 vga_reg;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
vga_reg = CPU_VGACNTRL;
else
vga_reg = VGACNTRL;
@@ -2116,7 +2116,7 @@
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = crtc->dev;
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
/* FDI link clock is fixed at 2.7G */
if (mode->clock * 3 > 27000 * 4)
return MODE_CLOCK_HIGH;
@@ -2983,7 +2983,7 @@
refclk / 1000);
} else if (IS_I9XX(dev)) {
refclk = 96000;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
refclk = 120000; /* 120Mhz refclk */
} else {
refclk = 48000;
@@ -3041,7 +3041,7 @@
}
/* FDI link */
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
int lane, link_bw, bpp;
/* eDP doesn't require FDI link, so just set DP M/N
according to current link config */
@@ -3118,7 +3118,7 @@
* PCH B stepping, previous chipset stepping should be
* ignoring this setting.
*/
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
temp = I915_READ(PCH_DREF_CONTROL);
/* Always enable nonspread source */
temp &= ~DREF_NONSPREAD_SOURCE_MASK;
@@ -3165,7 +3165,7 @@
reduced_clock.m2;
}
- if (!IS_IRONLAKE(dev))
+ if (!HAS_PCH_SPLIT(dev))
dpll = DPLL_VGA_MODE_DIS;
if (IS_I9XX(dev)) {
@@ -3178,7 +3178,7 @@
sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
if (IS_I945G(dev) || IS_I945GM(dev) || IS_G33(dev))
dpll |= (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
- else if (IS_IRONLAKE(dev))
+ else if (HAS_PCH_SPLIT(dev))
dpll |= (sdvo_pixel_multiply - 1) << PLL_REF_SDVO_HDMI_MULTIPLIER_SHIFT;
}
if (is_dp)
@@ -3190,7 +3190,7 @@
else {
dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
/* also FPA1 */
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
if (IS_G4X(dev) && has_reduced_clock)
dpll |= (1 << (reduced_clock.p1 - 1)) << DPLL_FPA1_P1_POST_DIV_SHIFT;
@@ -3209,7 +3209,7 @@
dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
break;
}
- if (IS_I965G(dev) && !IS_IRONLAKE(dev))
+ if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev))
dpll |= (6 << PLL_LOAD_PULSE_PHASE_SHIFT);
} else {
if (is_lvds) {
@@ -3243,7 +3243,7 @@
/* Ironlake's plane is forced to pipe, bit 24 is to
enable color space conversion */
- if (!IS_IRONLAKE(dev)) {
+ if (!HAS_PCH_SPLIT(dev)) {
if (pipe == 0)
dspcntr &= ~DISPPLANE_SEL_PIPE_MASK;
else
@@ -3270,14 +3270,14 @@
/* Disable the panel fitter if it was on our pipe */
- if (!IS_IRONLAKE(dev) && intel_panel_fitter_pipe(dev) == pipe)
+ if (!HAS_PCH_SPLIT(dev) && intel_panel_fitter_pipe(dev) == pipe)
I915_WRITE(PFIT_CONTROL, 0);
DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
drm_mode_debug_printmodeline(mode);
/* assign to Ironlake registers */
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
fp_reg = pch_fp_reg;
dpll_reg = pch_dpll_reg;
}
@@ -3298,7 +3298,7 @@
if (is_lvds) {
u32 lvds;
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
lvds_reg = PCH_LVDS;
lvds = I915_READ(lvds_reg);
@@ -3344,7 +3344,7 @@
/* Wait for the clocks to stabilize. */
udelay(150);
- if (IS_I965G(dev) && !IS_IRONLAKE(dev)) {
+ if (IS_I965G(dev) && !HAS_PCH_SPLIT(dev)) {
if (is_sdvo) {
sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
I915_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) |
@@ -3391,14 +3391,14 @@
/* pipesrc and dspsize control the size that is scaled from, which should
* always be the user's requested size.
*/
- if (!IS_IRONLAKE(dev)) {
+ if (!HAS_PCH_SPLIT(dev)) {
I915_WRITE(dspsize_reg, ((mode->vdisplay - 1) << 16) |
(mode->hdisplay - 1));
I915_WRITE(dsppos_reg, 0);
}
I915_WRITE(pipesrc_reg, ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
I915_WRITE(data_m1_reg, TU_SIZE(m_n.tu) | m_n.gmch_m);
I915_WRITE(data_n1_reg, TU_SIZE(m_n.tu) | m_n.gmch_n);
I915_WRITE(link_m1_reg, m_n.link_m);
@@ -3419,7 +3419,7 @@
intel_wait_for_vblank(dev);
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
/* enable address swizzle for tiling buffer */
temp = I915_READ(DISP_ARB_CTL);
I915_WRITE(DISP_ARB_CTL, temp | DISP_TILE_SURFACE_SWIZZLING);
@@ -3454,7 +3454,7 @@
return;
/* use legacy palette for Ironlake */
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
palreg = (intel_crtc->pipe == 0) ? LGC_PALETTE_A :
LGC_PALETTE_B;
@@ -3937,7 +3937,7 @@
int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
int dpll = I915_READ(dpll_reg);
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
return;
if (!dev_priv->lvds_downclock_avail)
@@ -3976,7 +3976,7 @@
int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
int dpll = I915_READ(dpll_reg);
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
return;
if (!dev_priv->lvds_downclock_avail)
@@ -4418,7 +4418,7 @@
if (IS_MOBILE(dev) && !IS_I830(dev))
intel_lvds_init(dev);
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
int found;
if (IS_MOBILE(dev) && (I915_READ(DP_A) & DP_DETECTED))
@@ -4487,7 +4487,7 @@
DRM_DEBUG_KMS("probing DP_D\n");
intel_dp_init(dev, DP_D);
}
- } else if (IS_I8XX(dev))
+ } else if (IS_GEN2(dev))
intel_dvo_init(dev);
if (SUPPORTS_TV(dev))
@@ -4716,7 +4716,7 @@
* Disable clock gating reported to work incorrectly according to the
* specs, but enable as much else as we can.
*/
- if (IS_IRONLAKE(dev)) {
+ if (HAS_PCH_SPLIT(dev)) {
return;
} else if (IS_G4X(dev)) {
uint32_t dspclk_gate;
@@ -4789,7 +4789,7 @@
struct drm_i915_private *dev_priv = dev->dev_private;
/* We always want a DPMS function */
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
dev_priv->display.dpms = ironlake_crtc_dpms;
else
dev_priv->display.dpms = i9xx_crtc_dpms;
@@ -4832,7 +4832,7 @@
i830_get_display_clock_speed;
/* For FIFO watermark updates */
- if (IS_IRONLAKE(dev))
+ if (HAS_PCH_SPLIT(dev))
dev_priv->display.update_wm = NULL;
else if (IS_G4X(dev))
dev_priv->display.update_wm = g4x_update_wm;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 93031a7..e91e81d 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -661,7 +661,7 @@
/* ACPI lid methods were generally unreliable in this generation, so
* don't even bother.
*/
- if (IS_I8XX(dev))
+ if (IS_GEN2(dev))
return connector_status_connected;
if (!dmi_check_system(bad_lid_status) && !acpi_lid_open())
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index c3fa406..d355d1d 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -172,7 +172,7 @@
#define OFC_UPDATE 0x1
#define OVERLAY_NONPHYSICAL(dev) (IS_G33(dev) || IS_I965G(dev))
-#define OVERLAY_EXISTS(dev) (!IS_G4X(dev) && !IS_IRONLAKE(dev))
+#define OVERLAY_EXISTS(dev) (!IS_G4X(dev) && !IS_IRONLAKE(dev) && !IS_GEN6(dev))
static struct overlay_registers *intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 403490c..676104b 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -593,4 +593,5 @@
{0x8086, 0x35e8, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
{0x8086, 0x0042, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
{0x8086, 0x0046, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
+ {0x8086, 0x0102, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \
{0, 0, 0}