On Tue, 7 Dec 2021 at 14:34, Ramalingam C <ramalingam.c@xxxxxxxxx> wrote: > > Changes for introducing the quick test on the device memory range and > also a test of detailed validation for each addr of the range with read > and write. > > Detailed testing is optionally enabled with a modparam i915.memtest=1 Series is missing Cc: dri-devel Also on DG1, CI is apparently spitting out: <7> [128.605872] i915 0000:03:00.0: [drm:i915_gem_init_stolen [i915]] GEN6_STOLEN_RESERVED = 0x00000000ffc00107 <7> [128.605978] i915 0000:03:00.0: [drm:i915_gem_init_stolen [i915]] Memory reserved for graphics device: 65536K, usable: 61440K <3> [128.606145] i915 0000:03:00.0: Failed to read back from memory region:[mem 0xfc000000-0xffffffff] at [0x00000040fc000000 + 0x0000000003fff000] for i915_gem_stolen_lmem_setup [i915]; wrote 0, read (ff, ff, ff) <3> [128.606297] i915 0000:03:00.0: [drm] *ERROR* Failed to setup region(-22) type=3 <3> [128.623091] i915 0000:03:00.0: Device initialization failed (-22) So something is busted with stolen-lmem it seems...wonder if that's related to the DG2 issue. > > Chris Wilson (2): > drm/i915: Sanitycheck device iomem on probe > drm/i915: Test all device memory on probing > > drivers/gpu/drm/i915/i915_params.c | 3 + > drivers/gpu/drm/i915/i915_params.h | 1 + > drivers/gpu/drm/i915/intel_memory_region.c | 116 +++++++++++++++++++++ > 3 files changed, 120 insertions(+) > > -- > 2.20.1 >