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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-09-08 01:01:14 -0300
commite5fd91f1ef340da553f7a79da9540c3db711c937 (patch)
treeb11842027dc6641da63f4bcc524f8678263304a3 /drivers/video/fbdev/sis
parent2a9b0348e685a63d97486f6749622b61e9e3292f (diff)
Linux-libre 4.2-gnu
Diffstat (limited to 'drivers/video/fbdev/sis')
-rw-r--r--drivers/video/fbdev/sis/sis.h2
-rw-r--r--drivers/video/fbdev/sis/sis_main.c27
2 files changed, 7 insertions, 22 deletions
diff --git a/drivers/video/fbdev/sis/sis.h b/drivers/video/fbdev/sis/sis.h
index 1987f1b72..ea1d1c964 100644
--- a/drivers/video/fbdev/sis/sis.h
+++ b/drivers/video/fbdev/sis/sis.h
@@ -458,7 +458,7 @@ struct sis_video_info {
unsigned char *bios_abase;
- int mtrr;
+ int wc_cookie;
u32 sisfb_mem;
diff --git a/drivers/video/fbdev/sis/sis_main.c b/drivers/video/fbdev/sis/sis_main.c
index fcf610edf..e92303823 100644
--- a/drivers/video/fbdev/sis/sis_main.c
+++ b/drivers/video/fbdev/sis/sis_main.c
@@ -53,9 +53,6 @@
#include <linux/types.h>
#include <linux/uaccess.h>
#include <asm/io.h>
-#ifdef CONFIG_MTRR
-#include <asm/mtrr.h>
-#endif
#include "sis.h"
#include "sis_main.h"
@@ -4130,13 +4127,13 @@ static void sisfb_post_map_vram(struct sis_video_info *ivideo,
if (*mapsize < (min << 20))
return;
- ivideo->video_vbase = ioremap(ivideo->video_base, (*mapsize));
+ ivideo->video_vbase = ioremap_wc(ivideo->video_base, (*mapsize));
if(!ivideo->video_vbase) {
printk(KERN_ERR
"sisfb: Unable to map maximum video RAM for size detection\n");
(*mapsize) >>= 1;
- while((!(ivideo->video_vbase = ioremap(ivideo->video_base, (*mapsize))))) {
+ while((!(ivideo->video_vbase = ioremap_wc(ivideo->video_base, (*mapsize))))) {
(*mapsize) >>= 1;
if((*mapsize) < (min << 20))
break;
@@ -6186,7 +6183,7 @@ static int sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
goto error_2;
}
- ivideo->video_vbase = ioremap(ivideo->video_base, ivideo->video_size);
+ ivideo->video_vbase = ioremap_wc(ivideo->video_base, ivideo->video_size);
ivideo->SiS_Pr.VideoMemoryAddress = ivideo->video_vbase;
if(!ivideo->video_vbase) {
printk(KERN_ERR "sisfb: Fatal error: Unable to map framebuffer memory\n");
@@ -6254,8 +6251,6 @@ error_3: vfree(ivideo->bios_abase);
ivideo->SiS_Pr.VideoMemoryAddress += ivideo->video_offset;
ivideo->SiS_Pr.VideoMemorySize = ivideo->sisfb_mem;
- ivideo->mtrr = -1;
-
ivideo->vbflags = 0;
ivideo->lcddefmodeidx = DEFAULT_LCDMODE;
ivideo->tvdefmodeidx = DEFAULT_TVMODE;
@@ -6443,14 +6438,8 @@ error_3: vfree(ivideo->bios_abase);
printk(KERN_DEBUG "sisfb: Initial vbflags 0x%x\n", (int)ivideo->vbflags);
-#ifdef CONFIG_MTRR
- ivideo->mtrr = mtrr_add(ivideo->video_base, ivideo->video_size,
- MTRR_TYPE_WRCOMB, 1);
- if(ivideo->mtrr < 0) {
- printk(KERN_DEBUG "sisfb: Failed to add MTRRs\n");
- }
-#endif
-
+ ivideo->wc_cookie = arch_phys_wc_add(ivideo->video_base,
+ ivideo->video_size);
if(register_framebuffer(sis_fb_info) < 0) {
printk(KERN_ERR "sisfb: Fatal error: Failed to register framebuffer\n");
ret = -EINVAL;
@@ -6507,11 +6496,7 @@ static void sisfb_remove(struct pci_dev *pdev)
pci_dev_put(ivideo->nbridge);
-#ifdef CONFIG_MTRR
- /* Release MTRR region */
- if(ivideo->mtrr >= 0)
- mtrr_del(ivideo->mtrr, ivideo->video_base, ivideo->video_size);
-#endif
+ arch_phys_wc_del(ivideo->wc_cookie);
/* If device was disabled when starting, disable
* it when quitting.