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[v2,09/19] fbdev/ps3fb: Use struct fb_info.screen_buffer

Message ID 20230428122452.4856-10-tzimmermann@suse.de
State New
Headers show
Series drm,fbdev: Use fbdev's I/O helpers | expand

Commit Message

Thomas Zimmermann April 28, 2023, 12:24 p.m. UTC 
Use info->screen_buffer when reading and writing framebuffers in
system memory. It's the correct pointer for this address space.

The struct fb_info has a union to store the framebuffer memory. This can
either be info->screen_base if the framebuffer is stored in I/O memory,
or info->screen_buffer if the framebuffer is stored in system memory.

As the driver operates on the latter address space, it is wrong to use
.screen_base and .screen_buffer must be used instead. This also gets
rid of casting needed due to not using the correct data type.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/video/fbdev/ps3fb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/video/fbdev/ps3fb.c b/drivers/video/fbdev/ps3fb.c
index 98aaa330a193..d4abcf8aff75 100644
--- a/drivers/video/fbdev/ps3fb.c
+++ b/drivers/video/fbdev/ps3fb.c
@@ -650,7 +650,7 @@  static int ps3fb_set_par(struct fb_info *info)
 	}
 
 	/* Clear XDR frame buffer memory */
-	memset((void __force *)info->screen_base, 0, info->fix.smem_len);
+	memset(info->screen_buffer, 0, info->fix.smem_len);
 
 	/* Clear DDR frame buffer memory */
 	lines = vmode->yres * par->num_frames;
@@ -1140,7 +1140,7 @@  static int ps3fb_probe(struct ps3_system_bus_device *dev)
 	 * memory
 	 */
 	fb_start = ps3fb_videomemory.address + GPU_FB_START;
-	info->screen_base = (char __force __iomem *)fb_start;
+	info->screen_buffer = fb_start;
 	info->fix.smem_start = __pa(fb_start);
 	info->fix.smem_len = ps3fb_videomemory.size - GPU_FB_START;