fbdev: Use _DMAMEM_ infix for DMA-memory helpers

Change the infix for fbdev's DMA-memory helpers from _DMA_ to
_DMAMEM_. The helpers perform operations within DMA-able memory,
but they don't perform DMA operations. Naming should make this
clear. Adapt all users. No functional changes.

Signed-off-by: Thomas Zimmermann <[e-mail]>
Reviewed-by: Sam Ravnborg <[e-mail]>
Acked-by: Helge Deller <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/Kconfig

···
 config DRM_GEM_DMA_HELPER
 	tristate
 	depends on DRM
-	select FB_DMA_HELPERS if DRM_FBDEV_EMULATION
+	select FB_DMAMEM_HELPERS if DRM_FBDEV_EMULATION
 	help
 	  Choose this if you need the GEM DMA helper functions
 

drivers/gpu/drm/drm_fbdev_dma.c

···
 	.owner = THIS_MODULE,
 	.fb_open = drm_fbdev_dma_fb_open,
 	.fb_release = drm_fbdev_dma_fb_release,
-	__FB_DEFAULT_DMA_OPS_RDWR,
+	__FB_DEFAULT_DMAMEM_OPS_RDWR,
 	DRM_FB_HELPER_DEFAULT_OPS,
-	__FB_DEFAULT_DMA_OPS_DRAW,
+	__FB_DEFAULT_DMAMEM_OPS_DRAW,
 	.fb_mmap = drm_fbdev_dma_fb_mmap,
 	.fb_destroy = drm_fbdev_dma_fb_destroy,
 };

drivers/gpu/drm/exynos/Kconfig

···
 	select DRM_DISPLAY_HELPER if DRM_EXYNOS_DP
 	select DRM_KMS_HELPER
 	select VIDEOMODE_HELPERS
-	select FB_DMA_HELPERS if DRM_FBDEV_EMULATION
+	select FB_DMAMEM_HELPERS if DRM_FBDEV_EMULATION
 	select SND_SOC_HDMI_CODEC if SND_SOC
 	help
 	  Choose this option if you have a Samsung SoC Exynos chipset.

drivers/gpu/drm/exynos/exynos_drm_fbdev.c

···
 
 static const struct fb_ops exynos_drm_fb_ops = {
 	.owner		= THIS_MODULE,
-	__FB_DEFAULT_DMA_OPS_RDWR,
+	__FB_DEFAULT_DMAMEM_OPS_RDWR,
 	DRM_FB_HELPER_DEFAULT_OPS,
-	__FB_DEFAULT_DMA_OPS_DRAW,
+	__FB_DEFAULT_DMAMEM_OPS_DRAW,
 	.fb_mmap        = exynos_drm_fb_mmap,
 	.fb_destroy	= exynos_drm_fb_destroy,
 };

drivers/gpu/drm/omapdrm/Kconfig

···
 	depends on DRM && OF
 	depends on ARCH_OMAP2PLUS
 	select DRM_KMS_HELPER
-	select FB_DMA_HELPERS if DRM_FBDEV_EMULATION
+	select FB_DMAMEM_HELPERS if DRM_FBDEV_EMULATION
 	select VIDEOMODE_HELPERS
 	select HDMI
 	default n

drivers/gpu/drm/omapdrm/omap_fbdev.c

···
 
 static const struct fb_ops omap_fb_ops = {
 	.owner = THIS_MODULE,
-	__FB_DEFAULT_DMA_OPS_RDWR,
+	__FB_DEFAULT_DMAMEM_OPS_RDWR,
 	.fb_check_var	= drm_fb_helper_check_var,
 	.fb_set_par	= drm_fb_helper_set_par,
 	.fb_setcmap	= drm_fb_helper_setcmap,
 	.fb_blank	= drm_fb_helper_blank,
 	.fb_pan_display = omap_fbdev_pan_display,
-	__FB_DEFAULT_DMA_OPS_DRAW,
+	__FB_DEFAULT_DMAMEM_OPS_DRAW,
 	.fb_ioctl	= drm_fb_helper_ioctl,
 	.fb_mmap	= omap_fbdev_fb_mmap,
 	.fb_destroy	= omap_fbdev_fb_destroy,

drivers/gpu/drm/tegra/Kconfig

···
 	select DRM_KMS_HELPER
 	select DRM_MIPI_DSI
 	select DRM_PANEL
-	select FB_DMA_HELPERS if DRM_FBDEV_EMULATION
+	select FB_DMAMEM_HELPERS if DRM_FBDEV_EMULATION
 	select TEGRA_HOST1X
 	select INTERCONNECT
 	select IOMMU_IOVA

drivers/gpu/drm/tegra/fbdev.c

···
 
 static const struct fb_ops tegra_fb_ops = {
 	.owner = THIS_MODULE,
-	__FB_DEFAULT_DMA_OPS_RDWR,
+	__FB_DEFAULT_DMAMEM_OPS_RDWR,
 	DRM_FB_HELPER_DEFAULT_OPS,
-	__FB_DEFAULT_DMA_OPS_DRAW,
+	__FB_DEFAULT_DMAMEM_OPS_DRAW,
 	.fb_mmap = tegra_fb_mmap,
 	.fb_destroy = tegra_fbdev_fb_destroy,
 };

drivers/video/fbdev/core/Kconfig

···
 	bool
 	depends on FB_CORE
 
-config FB_DMA_HELPERS
+config FB_DMAMEM_HELPERS
 	bool
 	depends on FB_CORE
 	select FB_SYS_COPYAREA

include/linux/fb.h

···
  * Helpers for framebuffers in DMA-able memory
  */
 
-#define __FB_DEFAULT_DMA_OPS_RDWR \
+#define __FB_DEFAULT_DMAMEM_OPS_RDWR \
 	.fb_read	= fb_sys_read, \
 	.fb_write	= fb_sys_write
 
-#define __FB_DEFAULT_DMA_OPS_DRAW \
+#define __FB_DEFAULT_DMAMEM_OPS_DRAW \
 	.fb_fillrect	= sys_fillrect, \
 	.fb_copyarea	= sys_copyarea, \
 	.fb_imageblit	= sys_imageblit