drm/gma: Remove calls to kmap()

kmap() is being deprecated and these instances are easy to convert to
kmap_local_page().

Furthermore, in gma_crtc_cursor_set() use the memcpy_from_page() helper
instead of an open coded use of kmap_local_page().
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20220124015409.807587-4-ira.weiny@intel.com

drivers/gpu/drm/gma500/gma_display.c

@@ -335,7 +335,7 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc,
 	struct psb_gem_object *pobj;
 	struct psb_gem_object *cursor_pobj = gma_crtc->cursor_pobj;
 	struct drm_gem_object *obj;
-	void *tmp_dst, *tmp_src;
+	void *tmp_dst;
 	int ret = 0, i, cursor_pages;
 
 	/* If we didn't get a handle then turn the cursor off */
@@ -400,9 +400,7 @@ int gma_crtc_cursor_set(struct drm_crtc *crtc,
 		/* Copy the cursor to cursor mem */
 		tmp_dst = dev_priv->vram_addr + cursor_pobj->offset;
 		for (i = 0; i < cursor_pages; i++) {
-			tmp_src = kmap(pobj->pages[i]);
-			memcpy(tmp_dst, tmp_src, PAGE_SIZE);
-			kunmap(pobj->pages[i]);
+			memcpy_from_page(tmp_dst, pobj->pages[i], 0, PAGE_SIZE);
 			tmp_dst += PAGE_SIZE;
 		}
 

drivers/gpu/drm/gma500/mmu.c

@@ -184,17 +184,17 @@ struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
 		pd->invalid_pte = 0;
 	}
 
-	v = kmap(pd->dummy_pt);
+	v = kmap_local_page(pd->dummy_pt);
 	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
 		v[i] = pd->invalid_pte;
 
-	kunmap(pd->dummy_pt);
+	kunmap_local(v);
 
-	v = kmap(pd->p);
+	v = kmap_local_page(pd->p);
 	for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
 		v[i] = pd->invalid_pde;
 
-	kunmap(pd->p);
+	kunmap_local(v);
 
 	clear_page(kmap(pd->dummy_page));
 	kunmap(pd->dummy_page);