On 19/07/17 13:00, Daniel Vetter wrote:
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.pe...@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vet...@intel.com>
Looks good, and it will reduce the noise in CI. Thanks!
Reviewed-by: Martin Peres <martin.pe...@linux.intel.com>
---
drivers/gpu/drm/i915/i915_gem_stolen.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c
b/drivers/gpu/drm/i915/i915_gem_stolen.c
index a817b3e0b17e..c11c915382e7 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
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
