| commit | 023f807989f4d6a076258f4efe6d1da0d7aaeb29 | [log] [tgz] |
|---|---|---|
| author | Daniel Vetter <daniel.vetter@ffwll.ch> | Wed Jul 19 12:00:43 2017 +0200 |
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | Wed Jul 19 14:04:03 2017 +0200 |
| tree | 1ca4a5c1ca66ef275a0f6735b74153e1ee126158 | |
| parent | 54d20ed1fff23c7d2633f01fc788111bf9c51c5d [diff] |
drm/i915: More stolen quirking I've found a bios with an off-by-one at the other end. There's a pnp reservation for 0xc5400000-0xc7fffffe and we want stolen in 0xc6000000 through 0xc8000000. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99872 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98683 Cc: Martin Peres <martin.peres@linux.intel.com> Reviewed-by: Martin Peres <martin.peres@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170719100043.30851-1-daniel.vetter@ffwll.ch
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index a817b3e..c11c915 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -254,9 +254,10 @@ static dma_addr_t i915_stolen_to_dma(struct drm_i915_private *dev_priv) * This is a BIOS w/a: Some BIOS wrap stolen in the root * PCI bus, but have an off-by-one error. Hence retry the * reservation starting from 1 instead of 0. + * There's also BIOS with off-by-one on the other end. */ r = devm_request_mem_region(dev_priv->drm.dev, base + 1, - ggtt->stolen_size - 1, + ggtt->stolen_size - 2, "Graphics Stolen Memory"); /* * GEN3 firmware likes to smash pci bridges into the stolen