From: Hans de Goede <hdegoede@redhat.com>
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/4] simplefb: formalize pseudo palette handling
Date: Sun, 28 Sep 2014 12:43:36 +0000 [thread overview]
Message-ID: <1411908218-20947-2-git-send-email-hdegoede@redhat.com> (raw)
In-Reply-To: <1411908218-20947-1-git-send-email-hdegoede@redhat.com>
From: Luc Verhaegen <libv@skynet.be>
Signed-off-by: Luc Verhaegen <libv@skynet.be>
[hdegoede@redhat.com: drop unnecessary void * cast]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/video/fbdev/simplefb.c | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/drivers/video/fbdev/simplefb.c b/drivers/video/fbdev/simplefb.c
index 210f3a0..ec112c1 100644
--- a/drivers/video/fbdev/simplefb.c
+++ b/drivers/video/fbdev/simplefb.c
@@ -41,6 +41,8 @@ static struct fb_var_screeninfo simplefb_var = {
.vmode = FB_VMODE_NONINTERLACED,
};
+#define PSEUDO_PALETTE_SIZE 16
+
static int simplefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u_int transp, struct fb_info *info)
{
@@ -50,7 +52,7 @@ static int simplefb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
u32 cb = blue >> (16 - info->var.blue.length);
u32 value;
- if (regno >= 16)
+ if (regno >= PSEUDO_PALETTE_SIZE)
return -EINVAL;
value = (cr << info->var.red.offset) |
@@ -163,11 +165,16 @@ static int simplefb_parse_pd(struct platform_device *pdev,
return 0;
}
+struct simplefb_par {
+ u32 palette[PSEUDO_PALETTE_SIZE];
+};
+
static int simplefb_probe(struct platform_device *pdev)
{
int ret;
struct simplefb_params params;
struct fb_info *info;
+ struct simplefb_par *par;
struct resource *mem;
if (fb_get_options("simplefb", NULL))
@@ -188,11 +195,13 @@ static int simplefb_probe(struct platform_device *pdev)
return -EINVAL;
}
- info = framebuffer_alloc(sizeof(u32) * 16, &pdev->dev);
+ info = framebuffer_alloc(sizeof(struct simplefb_par), &pdev->dev);
if (!info)
return -ENOMEM;
platform_set_drvdata(pdev, info);
+ par = info->par;
+
info->fix = simplefb_fix;
info->fix.smem_start = mem->start;
info->fix.smem_len = resource_size(mem);
@@ -225,7 +234,7 @@ static int simplefb_probe(struct platform_device *pdev)
framebuffer_release(info);
return -ENODEV;
}
- info->pseudo_palette = (void *)(info + 1);
+ info->pseudo_palette = par->palette;
dev_info(&pdev->dev, "framebuffer at 0x%lx, 0x%x bytes, mapped to 0x%p\n",
info->fix.smem_start, info->fix.smem_len,
--
2.1.0
next prev parent reply other threads:[~2014-09-28 12:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-28 12:43 [PATCH 1/4] dt-bindings: Add a clocks property to the simple-framebuffer binding Hans de Goede
2014-09-28 12:43 ` Hans de Goede [this message]
2014-09-28 12:43 ` [PATCH 3/4] simplefb: add goto error path to probe Hans de Goede
2014-09-28 12:43 ` [PATCH 4/4] simplefb: add clock handling code Hans de Goede
2014-09-28 18:37 ` [PATCH 1/4] dt-bindings: Add a clocks property to the simple-framebuffer binding Mike Turquette
2014-09-28 18:41 ` Hans de Goede
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