diff options
| author | Ondrej Zary <linux@rainbow-software.org> | 2015-10-01 23:22:54 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2015-10-08 12:19:39 +0300 |
| commit | 38fc4d45fae58d81786acfe81a13ec0c93b01c98 (patch) | |
| tree | 0f4252be074031bb3e0458c8d2a4ed35978a4714 /drivers/video | |
| parent | 3c083aa9d2a7b8904c6bd68628c7dfdf9d413816 (diff) | |
gxt4500: Use arch_phys_wc_* for framebuffer
Add arch_phys_wc_* calls to allow write-combining using MTRR.
Signed-off-by: Ondrej Zary <linux@rainbow-software.org>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to 'drivers/video')
| -rw-r--r-- | drivers/video/fbdev/gxt4500.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/video/fbdev/gxt4500.c b/drivers/video/fbdev/gxt4500.c index 3ceddb837085..31de6500efd0 100644 --- a/drivers/video/fbdev/gxt4500.c +++ b/drivers/video/fbdev/gxt4500.c @@ -142,7 +142,7 @@ static const unsigned char watfmt[] = { struct gxt4500_par { void __iomem *regs; - + int wc_cookie; int pixfmt; /* pixel format, see DFA_PIX_* values */ /* PLL parameters */ @@ -671,6 +671,9 @@ static int gxt4500_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, info); + par->wc_cookie = arch_phys_wc_add(info->fix.smem_start, + info->fix.smem_len); + #ifdef __BIG_ENDIAN /* Set byte-swapping for DFA aperture for all pixel sizes */ pci_write_config_dword(pdev, CFG_ENDIAN0, 0x333300); @@ -735,6 +738,7 @@ static void gxt4500_remove(struct pci_dev *pdev) return; par = info->par; unregister_framebuffer(info); + arch_phys_wc_del(par->wc_cookie); fb_dealloc_cmap(&info->cmap); iounmap(par->regs); iounmap(info->screen_base); |