XLibre/xf86-video-ati
1
0
Fork 0
mirror of https://github.com/X11Libre/xf86-video-ati.git synced 2026-03-24 01:24:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

- Increase the priority of display 0/1 in the memory controller for r3/4xx

Browse Source 
hardware when displaypriority is set to HIGH. Fixes display problems in
    high res modes. Originally reported by Aapo Tahkola.
This commit is contained in:
Alex Deucher
2005-06-30 00:56:01 +00:00
parent a7523e6c0b
commit 3ec99c9cd8
2 changed files with 18 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/radeon_driver.c
View File

@@ -2203,6 +2203,7 @@ static void
RADEONSetFBLocation(ScrnInfoPtr pScrn)
{
RADEONInfoPtr info = RADEONPTR(pScrn);
RADEONEntPtr pRADEONEnt = RADEONEntPriv(pScrn);
unsigned char *RADEONMMIO = info->MMIO;
CARD32 mc_fb_location;
CARD32 mc_agp_location = INREG(RADEON_MC_AGP_LOCATION);
@@ -2265,6 +2266,22 @@ RADEONSetFBLocation(ScrnInfoPtr pScrn)
if (info->HasCRTC2)
OUTREG(RADEON_DISPLAY2_BASE_ADDR, info->fbLocation);
OUTREG(RADEON_OV0_BASE_ADDR, info->fbLocation);
/* Set display0/1 priority up on r3/4xx in the memory controller for
* high res modes if the user specifies HIGH for displaypriority
* option.
*/
if ((info->DispPriority == 2) && IS_R300_VARIANT) {
CARD32 mc_init_misc_lat_timer = INREG(R300_MC_INIT_MISC_LAT_TIMER);
if (info->MergedFB || pRADEONEnt->HasSecondary) {
mc_init_misc_lat_timer |= 0x1100; /* display 0 and 1 */
} else {
mc_init_misc_lat_timer |= 0x0100; /* display 0 only */
}
OUTREG(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer);
}
}
static void RADEONGetVRamType(ScrnInfoPtr pScrn)

1
src/radeon_reg.h
View File

@@ -816,6 +816,7 @@
#define RADEON_DISPLAY2_BASE_ADDR 0x33c
#define RADEON_OV0_BASE_ADDR 0x43c
#define RADEON_NB_TOM 0x15c
#define R300_MC_INIT_MISC_LAT_TIMER 0x180
#define RADEON_MCLK_CNTL 0x0012 /* PLL */
# define RADEON_FORCEON_MCLKA (1 << 16)
# define RADEON_FORCEON_MCLKB (1 << 17)