FBC compressed frame buffer size need to be PAGE_SIZE aligned and the corresponding the drm_gem functions check the object size alignment using PAGE_SIZE macro. Use the PAGE_SIZE macro in the cfb alloc as well instead of the magic number. Signed-off-by: Vinod Govindapillai <vinod.govindapillai@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_fbc.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c index f17a1afb4929..9b9c8715d664 100644 --- a/drivers/gpu/drm/i915/display/intel_fbc.c +++ b/drivers/gpu/drm/i915/display/intel_fbc.c @@ -764,13 +764,15 @@ static int find_compression_limit(struct intel_fbc *fbc, /* Try to over-allocate to reduce reallocations and fragmentation. */ ret = i915_gem_stolen_insert_node_in_range(i915, &fbc->compressed_fb, - size <<= 1, 4096, 0, end); + size <<= 1, PAGE_SIZE, 0, + end); if (ret == 0) return limit; for (; limit <= intel_fbc_max_limit(i915); limit <<= 1) { ret = i915_gem_stolen_insert_node_in_range(i915, &fbc->compressed_fb, - size >>= 1, 4096, 0, end); + size >>= 1, PAGE_SIZE, 0, + end); if (ret == 0) return limit; } -- 2.34.1