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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-12 11:32:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-12 11:32:30 -0700
commit682b7c1c8ea8885aa681ddf530d6cf2ad4f2dc15 (patch)
tree882003bb4fc56af816246168f8c85d6dde8c6ed9 /arch/x86
parent16b9057804c02e2d351e9c8f606e909b43cbd9e7 (diff)
parentbc1dfff04a5d4064ba0db1fab13f84ab4f333d2b (diff)
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pull drm updates from Dave Airlie: "This is the main drm merge window pull request, changes all over the place, mostly normal levels of churn. Highlights: Core drm: More cleanups, fix race on connector/encoder naming, docs updates, object locking rework in prep for atomic modeset i915: mipi DSI support, valleyview power fixes, cursor size fixes, execlist refactoring, vblank improvements, userptr support, OOM handling improvements radeon: GPUVM tuning and large page size support, gart fixes, deep color HDMI support, HDMI audio cleanups nouveau: - displayport rework should fix lots of issues - initial gk20a support - gk110b support - gk208 fixes exynos: probe order fixes, HDMI changes, IPP consolidation msm: debugfs updates, misc fixes ast: ast2400 support, sync with UMS driver tegra: cleanups, hdmi + hw cursor for Tegra 124. panel: fixes existing panels add some new ones. ipuv3: moved from staging to drivers/gpu" * 'drm-next' of git://people.freedesktop.org/~airlied/linux: (761 commits) drm/nouveau/disp/dp: fix tmds passthrough on dp connector drm/nouveau/dp: probe dpcd to determine connectedness drm/nv50-: trigger update after all connectors disabled drm/nv50-: prepare for attaching a SOR to multiple heads drm/gf119-/disp: fix debug output on update failure drm/nouveau/disp/dp: make use of postcursor when its available drm/g94-/disp/dp: take max pullup value across all lanes drm/nouveau/bios/dp: parse lane postcursor data drm/nouveau/dp: fix support for dpms drm/nouveau: register a drm_dp_aux channel for each dp connector drm/g94-/disp: add method to power-off dp lanes drm/nouveau/disp/dp: maintain link in response to hpd signal drm/g94-/disp: bash and wait for something after changing lane power regs drm/nouveau/disp/dp: split link config/power into two steps drm/nv50/disp: train PIOR-attached DP from second supervisor drm/nouveau/disp/dp: make use of existing output data for link training drm/gf119/disp: start removing direct vbios parsing from supervisor drm/nv50/disp: start removing direct vbios parsing from supervisor drm/nouveau/disp/dp: maintain receiver caps in response to hpd signal drm/nouveau/disp/dp: create subclass for dp outputs ...
Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/kernel/early-quirks.c46
1 files changed, 36 insertions, 10 deletions
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index 6cda0baeac9d..2e1a6853e00c 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -419,7 +419,7 @@ static size_t __init gen6_stolen_size(int num, int slot, int func)
return gmch_ctrl << 25; /* 32 MB units */
}
-static size_t gen8_stolen_size(int num, int slot, int func)
+static size_t __init gen8_stolen_size(int num, int slot, int func)
{
u16 gmch_ctrl;
@@ -429,48 +429,73 @@ static size_t gen8_stolen_size(int num, int slot, int func)
return gmch_ctrl << 25; /* 32 MB units */
}
+static size_t __init chv_stolen_size(int num, int slot, int func)
+{
+ u16 gmch_ctrl;
+
+ gmch_ctrl = read_pci_config_16(num, slot, func, SNB_GMCH_CTRL);
+ gmch_ctrl >>= SNB_GMCH_GMS_SHIFT;
+ gmch_ctrl &= SNB_GMCH_GMS_MASK;
+
+ /*
+ * 0x0 to 0x10: 32MB increments starting at 0MB
+ * 0x11 to 0x16: 4MB increments starting at 8MB
+ * 0x17 to 0x1d: 4MB increments start at 36MB
+ */
+ if (gmch_ctrl < 0x11)
+ return gmch_ctrl << 25;
+ else if (gmch_ctrl < 0x17)
+ return (gmch_ctrl - 0x11 + 2) << 22;
+ else
+ return (gmch_ctrl - 0x17 + 9) << 22;
+}
struct intel_stolen_funcs {
size_t (*size)(int num, int slot, int func);
u32 (*base)(int num, int slot, int func, size_t size);
};
-static const struct intel_stolen_funcs i830_stolen_funcs = {
+static const struct intel_stolen_funcs i830_stolen_funcs __initconst = {
.base = i830_stolen_base,
.size = i830_stolen_size,
};
-static const struct intel_stolen_funcs i845_stolen_funcs = {
+static const struct intel_stolen_funcs i845_stolen_funcs __initconst = {
.base = i845_stolen_base,
.size = i830_stolen_size,
};
-static const struct intel_stolen_funcs i85x_stolen_funcs = {
+static const struct intel_stolen_funcs i85x_stolen_funcs __initconst = {
.base = i85x_stolen_base,
.size = gen3_stolen_size,
};
-static const struct intel_stolen_funcs i865_stolen_funcs = {
+static const struct intel_stolen_funcs i865_stolen_funcs __initconst = {
.base = i865_stolen_base,
.size = gen3_stolen_size,
};
-static const struct intel_stolen_funcs gen3_stolen_funcs = {
+static const struct intel_stolen_funcs gen3_stolen_funcs __initconst = {
.base = intel_stolen_base,
.size = gen3_stolen_size,
};
-static const struct intel_stolen_funcs gen6_stolen_funcs = {
+static const struct intel_stolen_funcs gen6_stolen_funcs __initconst = {
.base = intel_stolen_base,
.size = gen6_stolen_size,
};
-static const struct intel_stolen_funcs gen8_stolen_funcs = {
+static const struct intel_stolen_funcs gen8_stolen_funcs __initconst = {
.base = intel_stolen_base,
.size = gen8_stolen_size,
};
-static struct pci_device_id intel_stolen_ids[] __initdata = {
+static const struct intel_stolen_funcs chv_stolen_funcs __initconst = {
+ .base = intel_stolen_base,
+ .size = chv_stolen_size,
+};
+
+static const struct pci_device_id intel_stolen_ids[] __initconst = {
INTEL_I830_IDS(&i830_stolen_funcs),
INTEL_I845G_IDS(&i845_stolen_funcs),
INTEL_I85X_IDS(&i85x_stolen_funcs),
@@ -496,7 +521,8 @@ static struct pci_device_id intel_stolen_ids[] __initdata = {
INTEL_HSW_D_IDS(&gen6_stolen_funcs),
INTEL_HSW_M_IDS(&gen6_stolen_funcs),
INTEL_BDW_M_IDS(&gen8_stolen_funcs),
- INTEL_BDW_D_IDS(&gen8_stolen_funcs)
+ INTEL_BDW_D_IDS(&gen8_stolen_funcs),
+ INTEL_CHV_IDS(&chv_stolen_funcs),
};
static void __init intel_graphics_stolen(int num, int slot, int func)