From fb4e14860b5e24645926ff46d3fe7237e97acc0f Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Tue, 14 Nov 2017 19:18:42 +0000 Subject: [PATCH] drm/i915/selftests: Markup __iomem for igt_gem_coherency Silence sparse warnings by using __iomem markup and io accessors. Signed-off-by: Chris Wilson Reviewed-by: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/20171114191842.19063-1-chris@chris-wilson.co.uk --- .../gpu/drm/i915/selftests/i915_gem_coherency.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c b/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c index 35d778d70626..7a0d1e17c1ad 100644 --- a/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c +++ b/drivers/gpu/drm/i915/selftests/i915_gem_coherency.c @@ -33,7 +33,7 @@ static int cpu_set(struct drm_i915_gem_object *obj, { unsigned int needs_clflush; struct page *page; - typeof(v) *map; + u32 *map; int err; err = i915_gem_obj_prepare_shmem_write(obj, &needs_clflush); @@ -59,7 +59,7 @@ static int cpu_get(struct drm_i915_gem_object *obj, { unsigned int needs_clflush; struct page *page; - typeof(v) map; + u32 *map; int err; err = i915_gem_obj_prepare_shmem_read(obj, &needs_clflush); @@ -82,7 +82,7 @@ static int gtt_set(struct drm_i915_gem_object *obj, u32 v) { struct i915_vma *vma; - typeof(v) *map; + u32 __iomem *map; int err; err = i915_gem_object_set_to_gtt_domain(obj, true); @@ -98,7 +98,7 @@ static int gtt_set(struct drm_i915_gem_object *obj, if (IS_ERR(map)) return PTR_ERR(map); - map[offset / sizeof(*map)] = v; + iowrite32(v, &map[offset / sizeof(*map)]); i915_vma_unpin_iomap(vma); return 0; @@ -109,7 +109,7 @@ static int gtt_get(struct drm_i915_gem_object *obj, u32 *v) { struct i915_vma *vma; - typeof(v) map; + u32 __iomem *map; int err; err = i915_gem_object_set_to_gtt_domain(obj, false); @@ -125,7 +125,7 @@ static int gtt_get(struct drm_i915_gem_object *obj, if (IS_ERR(map)) return PTR_ERR(map); - *v = map[offset / sizeof(*map)]; + *v = ioread32(&map[offset / sizeof(*map)]); i915_vma_unpin_iomap(vma); return 0; @@ -135,7 +135,7 @@ static int wc_set(struct drm_i915_gem_object *obj, unsigned long offset, u32 v) { - typeof(v) *map; + u32 *map; int err; err = i915_gem_object_set_to_wc_domain(obj, true); @@ -156,7 +156,7 @@ static int wc_get(struct drm_i915_gem_object *obj, unsigned long offset, u32 *v) { - typeof(v) map; + u32 *map; int err; err = i915_gem_object_set_to_wc_domain(obj, false);