drm/i915: disable pci resize on 32-bit machine
authorNirmoy Das <nirmoy.das@intel.com>
Wed, 27 Jul 2022 17:33:06 +0000 (19:33 +0200)
committerRodrigo Vivi <rodrigo.vivi@intel.com>
Mon, 8 Aug 2022 17:14:47 +0000 (13:14 -0400)
commit9cae5b3189eb9cd12a9c3f6e8afda2d81958640b
tree29376d70aa3f92b2fa4d791e4d11108bb9461b14
parent5493ee1919eae4f49d62276cf5986b7f7c7aa8f6
drm/i915: disable pci resize on 32-bit machine

PCI bar resize only works with 64 bit BAR so disable
this on 32-bit machine and resolve below compilation error:

drivers/gpu/drm/i915/gt/intel_region_lmem.c:94:23: error: result of
comparison of constant 4294967296 with expression of type
'resource_size_t' (aka 'unsigned int') is always false
[-Werror,-Wtautological-constant-out-of-range-compare]
                    root_res->start > 0x100000000ull)

Fixes: a91d1a17cd341 ("drm/i915: Add support for LMEM PCIe resizable bar")
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Tested-by: Linux Kernel Functional Testing <lkft@linaro.org>
Acked-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220727173306.16247-1-nirmoy.das@intel.com
(cherry picked from commit f5dfbfc0ae00c2c2c0518da9e1f9a8cca50ae544)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
drivers/gpu/drm/i915/gt/intel_region_lmem.c