drm/vmwgfx: Rename dummy to is_iomem

Rename dummy to is_iomem because that's what it is even if we're not
activelly using it. Makes the code easier to read.

Signed-off-by: Zack Rusin <zackr@vmware.com>
Reviewed-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Martin Krastev <krastevm@vmware.com>
Reviewed-by: Maaz Mombasawala <mombasawalam@vmware.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230131033542.953249-7-zack@kde.org

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
index 1082218..e83286e 100644 (file)
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.c
@@ -153,9 +153,9 @@ static void vmw_cursor_update_mob(struct vmw_private *dev_priv,
        SVGAGBCursorHeader *header;
        SVGAGBAlphaCursorHeader *alpha_header;
        const u32 image_size = width * height * sizeof(*image);
-       bool dummy;
+       bool is_iomem;
 
-       header = ttm_kmap_obj_virtual(&vps->cursor.map, &dummy);
+       header = ttm_kmap_obj_virtual(&vps->cursor.map, &is_iomem);
        alpha_header = &header->header.alphaHeader;
 
        memset(header, 0, sizeof(*header));
@@ -185,13 +185,13 @@ static u32 vmw_du_cursor_mob_size(u32 w, u32 h)
  */
 static u32 *vmw_du_cursor_plane_acquire_image(struct vmw_plane_state *vps)
 {
-       bool dummy;
+       bool is_iomem;
        if (vps->surf) {
                if (vps->surf_mapped)
                        return vmw_bo_map_and_cache(vps->surf->res.backup);
                return vps->surf->snooper.image;
        } else if (vps->bo)
-               return ttm_kmap_obj_virtual(&vps->bo->map, &dummy);
+               return ttm_kmap_obj_virtual(&vps->bo->map, &is_iomem);
        return NULL;
 }
 
@@ -364,7 +364,7 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf,
        SVGA3dCopyBox *box;
        unsigned box_count;
        void *virtual;
-       bool dummy;
+       bool is_iomem;
        struct vmw_dma_cmd {
                SVGA3dCmdHeader header;
                SVGA3dCmdSurfaceDMA dma;
@@ -424,7 +424,7 @@ void vmw_kms_cursor_snoop(struct vmw_surface *srf,
        if (unlikely(ret != 0))
                goto err_unreserve;
 
-       virtual = ttm_kmap_obj_virtual(&map, &dummy);
+       virtual = ttm_kmap_obj_virtual(&map, &is_iomem);
 
        if (box->w == VMW_CURSOR_SNOOP_WIDTH && cmd->dma.guest.pitch == image_pitch) {
                memcpy(srf->snooper.image, virtual,
@@ -658,14 +658,14 @@ vmw_du_cursor_plane_cleanup_fb(struct drm_plane *plane,
 {
        struct vmw_cursor_plane *vcp = vmw_plane_to_vcp(plane);
        struct vmw_plane_state *vps = vmw_plane_state_to_vps(old_state);
-       bool dummy;
+       bool is_iomem;
 
        if (vps->surf_mapped) {
                vmw_bo_unmap(vps->surf->res.backup);
                vps->surf_mapped = false;
        }
 
-       if (vps->bo && ttm_kmap_obj_virtual(&vps->bo->map, &dummy)) {
+       if (vps->bo && ttm_kmap_obj_virtual(&vps->bo->map, &is_iomem)) {
                const int ret = ttm_bo_reserve(&vps->bo->base, true, false, NULL);
 
                if (likely(ret == 0)) {