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Commit 38fc4d45 authored by Ondrej Zary's avatar Ondrej Zary Committed by Tomi Valkeinen
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gxt4500: Use arch_phys_wc_* for framebuffer 



Add arch_phys_wc_* calls to allow write-combining using MTRR.

Signed-off-by: default avatarOndrej Zary <linux@rainbow-software.org>
Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 3c083aa9

drivers/video/fbdev/gxt4500.c

+5 −1
Original line number Diff line number Diff line
@@ -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);