From 77232e6a28447c2942558d05f1c3115bdf95a9e7 Mon Sep 17 00:00:00 2001 From: Thomas Hellström Date: Tue, 9 Jan 2024 12:24:03 +0100 Subject: drm/xe: Annotate xe_mem_region::mapping with __iomem MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit The pointer points to IO memory, but the __iomem annotation was incorrectly placed. Annotate it correctly, update its usage accordingly and fix the corresponding sparse error. Fixes: 0887a2e7ab62 ("drm/xe: Make xe_mem_region struct") Cc: Oak Zeng Cc: Michael J. Ruhl Cc: Matthew Brost Cc: Rodrigo Vivi Signed-off-by: Thomas Hellström Reviewed-by: Lucas De Marchi Link: https://patchwork.freedesktop.org/patch/msgid/20240109112405.108136-3-thomas.hellstrom@linux.intel.com (cherry picked from commit 20855b62a30538361e587cfc7c5245f07d4f826a) Signed-off-by: Thomas Hellström --- drivers/gpu/drm/xe/xe_bo.c | 4 ++-- drivers/gpu/drm/xe/xe_device_types.h | 2 +- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/gpu') diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index 8e4a3b1f6b93..3cd29bd015a0 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -442,7 +442,7 @@ static int xe_ttm_io_mem_reserve(struct ttm_device *bdev, if (vram->mapping && mem->placement & TTM_PL_FLAG_CONTIGUOUS) - mem->bus.addr = (u8 *)vram->mapping + + mem->bus.addr = (u8 __force *)vram->mapping + mem->bus.offset; mem->bus.offset += vram->io_start; @@ -734,7 +734,7 @@ static int xe_bo_move(struct ttm_buffer_object *ttm_bo, bool evict, /* Create a new VMAP once kernel BO back in VRAM */ if (!ret && resource_is_vram(new_mem)) { struct xe_mem_region *vram = res_to_mem_region(new_mem); - void *new_addr = vram->mapping + + void __iomem *new_addr = vram->mapping + (new_mem->start << PAGE_SHIFT); if (XE_WARN_ON(new_mem->start == XE_BO_INVALID_OFFSET)) { diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h index c45ef17b3473..4b38c6bc6c76 100644 --- a/drivers/gpu/drm/xe/xe_device_types.h +++ b/drivers/gpu/drm/xe/xe_device_types.h @@ -97,7 +97,7 @@ struct xe_mem_region { */ resource_size_t actual_physical_size; /** @mapping: pointer to VRAM mappable space */ - void *__iomem mapping; + void __iomem *mapping; }; /** -- cgit v1.2.3