From bdb616479eff419d5f881efbf1485ed098cbdbce Mon Sep 17 00:00:00 2001 From: Thomas Zimmermann Date: Fri, 28 Apr 2023 14:24:42 +0200 Subject: [PATCH] fbdev/ps3fb: Use struct fb_info.screen_buffer 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 Reviewed-by: Javier Martinez Canillas Link: https://patchwork.freedesktop.org/patch/msgid/20230428122452.4856-10-tzimmermann@suse.de --- drivers/video/fbdev/ps3fb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/ps3fb.c b/drivers/video/fbdev/ps3fb.c index 2fe08b6..8dfa9f4 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; @@ -1139,7 +1139,7 @@ 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; -- 2.7.4