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authorMatthew Auld <matthew.auld@intel.com>2017-12-11 15:18:15 +0000
committerJoonas Lahtinen <joonas.lahtinen@linux.intel.com>2017-12-12 12:30:18 +0200
commit55f56fc46020ea59273ddb5de0bdc41b7da45c73 (patch)
tree077239e8d65afb55f817cca0b1c5be3d349d1f1f /arch/x86/kernel/early-quirks.c
parent6f9fa996c9bf3d86406df95982c7b3def38eb76f (diff)
x86/early-quirks: export the stolen region as a resource
We duplicate the stolen discovery code in early-quirks and in i915, however if we just export the region as a resource from early-quirks we can nuke the duplication. Signed-off-by: Matthew Auld <matthew.auld@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: x86@kernel.org Cc: linux-kernel@vger.kernel.org Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Acked-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20171211151822.20953-3-matthew.auld@intel.com
Diffstat (limited to 'arch/x86/kernel/early-quirks.c')
-rw-r--r--arch/x86/kernel/early-quirks.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c
index a18de5fb9e68..6c1624889011 100644
--- a/arch/x86/kernel/early-quirks.c
+++ b/arch/x86/kernel/early-quirks.c
@@ -532,6 +532,9 @@ static const struct pci_device_id intel_early_ids[] __initconst = {
INTEL_CNL_IDS(&gen9_early_ops),
};
+struct resource intel_graphics_stolen_res __ro_after_init = DEFINE_RES_MEM(0, 0);
+EXPORT_SYMBOL(intel_graphics_stolen_res);
+
static void __init
intel_graphics_stolen(int num, int slot, int func,
const struct intel_early_ops *early_ops)
@@ -546,8 +549,12 @@ intel_graphics_stolen(int num, int slot, int func,
return;
end = base + size - 1;
- printk(KERN_INFO "Reserving Intel graphics memory at %pa-%pa\n",
- &base, &end);
+
+ intel_graphics_stolen_res.start = base;
+ intel_graphics_stolen_res.end = end;
+
+ printk(KERN_INFO "Reserving Intel graphics memory at %pR\n",
+ &intel_graphics_stolen_res);
/* Mark this space as reserved */
e820__range_add(base, size, E820_TYPE_RESERVED);