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Diffstat (limited to 'packages/linux/linux-openmoko/glamo-report-vram-size-to-userspace.patch')
-rw-r--r--packages/linux/linux-openmoko/glamo-report-vram-size-to-userspace.patch67
1 files changed, 67 insertions, 0 deletions
diff --git a/packages/linux/linux-openmoko/glamo-report-vram-size-to-userspace.patch b/packages/linux/linux-openmoko/glamo-report-vram-size-to-userspace.patch
new file mode 100644
index 0000000000..563923e71c
--- /dev/null
+++ b/packages/linux/linux-openmoko/glamo-report-vram-size-to-userspace.patch
@@ -0,0 +1,67 @@
+From ff1564e5100eeccd53ee6b007813ea722f8cf8b6 Mon Sep 17 00:00:00 2001
+From: Chia-I Wu <olv@openmoko.com>
+Date: Mon, 1 Oct 2007 21:16:46 +0800
+Subject: [PATCH] glamo: report vram size to userspace
+
+Set fb_fix_screeninfo.smem_len to RESSIZE(fb_res). This is not the real
+vram size, as it is a hardcoded value in glamo-core.c for now.
+---
+ drivers/video/glamo/glamo-fb.c | 13 +++++--------
+ 1 files changed, 5 insertions(+), 8 deletions(-)
+
+diff --git a/drivers/video/glamo/glamo-fb.c b/drivers/video/glamo/glamo-fb.c
+index 451de75..160a5b1 100644
+--- a/drivers/video/glamo/glamo-fb.c
++++ b/drivers/video/glamo/glamo-fb.c
+@@ -54,8 +54,6 @@
+
+ #define RESSIZE(ressource) (((ressource)->end - (ressource)->start)+1)
+
+-#define GLAMO_FB_ALLOC (640*480*2)
+-
+ struct glamofb_handle {
+ struct fb_info *fb;
+ struct device *dev;
+@@ -224,7 +222,6 @@ static int glamofb_set_par(struct fb_info *info)
+ }
+
+ glamo->fb->fix.line_length = (var->width * var->bits_per_pixel) / 8;
+- glamo->fb->fix.smem_len = info->fix.line_length * var->yres_virtual;
+
+ return 0;
+ }
+@@ -453,7 +450,7 @@ static int __init glamofb_probe(struct platform_device *pdev)
+ }
+
+ glamofb->fb_res = request_mem_region(glamofb->fb_res->start,
+- GLAMO_FB_ALLOC, pdev->name);
++ RESSIZE(glamofb->fb_res), pdev->name);
+ if (!glamofb->fb_res) {
+ dev_err(&pdev->dev, "failed to request vram region\n");
+ goto out_release_reg;
+@@ -467,6 +464,7 @@ static int __init glamofb_probe(struct platform_device *pdev)
+ goto out_release_fb;
+ }
+ fbinfo->fix.smem_start = (unsigned long) glamofb->fb_res->start;
++ fbinfo->fix.smem_len = RESSIZE(glamofb->fb_res);
+
+ fbinfo->screen_base = ioremap(glamofb->fb_res->start,
+ RESSIZE(glamofb->fb_res));
+@@ -522,11 +520,10 @@ static int __init glamofb_probe(struct platform_device *pdev)
+ fbinfo->var.green.length = 6;
+ fbinfo->var.blue.length = 5;
+ fbinfo->var.transp.length = 0;
+- fbinfo->fix.smem_len = mach_info->xres.max *
+- mach_info->yres.max *
+- mach_info->bpp.max / 8;
+
+- memset(fbinfo->screen_base, 0, fbinfo->fix.smem_len);
++ memset(fbinfo->screen_base, 0, mach_info->xres.max *
++ mach_info->yres.max *
++ mach_info->bpp.max / 8);
+
+ glamo_engine_enable(mach_info->glamo, GLAMO_ENGINE_LCD);
+ glamo_engine_reset(mach_info->glamo, GLAMO_ENGINE_LCD);
+--
+1.5.3.1
+