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| author | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2022-01-31 13:19:33 -0500 |
|---|---|---|
| committer | Rodrigo Vivi <rodrigo.vivi@intel.com> | 2022-01-31 13:19:33 -0500 |
| commit | 063565aca3734de4e73639a0e460a58d9418b3cd (patch) | |
| tree | fb2455b984f584a819defe6e5fe512a4b6fc33ae /arch/x86/kernel/early-quirks.c | |
| parent | 14683babf8ee356a232ee76b0acd332aef51fdc4 (diff) | |
| parent | 26291c54e111ff6ba87a164d85d4a4e134b7315c (diff) | |
Merge drm/drm-next into drm-intel-next
Catch-up with 5.17-rc2 and trying to align with drm-intel-gt-next
for a possible topic branch for merging the split of i915_regs...
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Diffstat (limited to 'arch/x86/kernel/early-quirks.c')
| -rw-r--r-- | arch/x86/kernel/early-quirks.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/x86/kernel/early-quirks.c b/arch/x86/kernel/early-quirks.c index 1ca3a56fdc2d..bd6dad83c65b 100644 --- a/arch/x86/kernel/early-quirks.c +++ b/arch/x86/kernel/early-quirks.c @@ -515,6 +515,7 @@ static const struct intel_early_ops gen11_early_ops __initconst = { .stolen_size = gen9_stolen_size, }; +/* Intel integrated GPUs for which we need to reserve "stolen memory" */ static const struct pci_device_id intel_early_ids[] __initconst = { INTEL_I830_IDS(&i830_early_ops), INTEL_I845G_IDS(&i845_early_ops), @@ -593,6 +594,13 @@ static void __init intel_graphics_quirks(int num, int slot, int func) u16 device; int i; + /* + * Reserve "stolen memory" for an integrated GPU. If we've already + * found one, there's nothing to do for other (discrete) GPUs. + */ + if (resource_size(&intel_graphics_stolen_res)) + return; + device = read_pci_config_16(num, slot, func, PCI_DEVICE_ID); for (i = 0; i < ARRAY_SIZE(intel_early_ids); i++) { @@ -705,7 +713,7 @@ static struct chipset early_qrk[] __initdata = { { PCI_VENDOR_ID_INTEL, 0x3406, PCI_CLASS_BRIDGE_HOST, PCI_BASE_CLASS_BRIDGE, 0, intel_remapping_check }, { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA, PCI_ANY_ID, - QFLAG_APPLY_ONCE, intel_graphics_quirks }, + 0, intel_graphics_quirks }, /* * HPET on the current version of the Baytrail platform has accuracy * problems: it will halt in deep idle state - so we disable it. |