redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

drm/mgag200: Index 24 in extended CRTC registers is 24 in hex, not decimal.

Browse source 
This change properly enables the "requester" in G200ER cards that is
responsible for getting pixels out of memory and clocking them out to
the screen.

Signed-off-by: Christopher Harvey <charvey@matrox.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Christopher Harvey 2013-04-05 10:51:15 -04:00 committed by Dave Airlie
parent c9cdee1765
commit 1812a3db08
1 changed files with 3 additions and 10 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
drivers/gpu/drm/mgag200/mgag200_mode.c
View file

@ -751,8 +751,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
int i;
unsigned char misc = 0;
unsigned char ext_vga[6];
unsigned char ext_vga_index24;
unsigned char dac_index90 = 0;
u8 bppshift;
static unsigned char dacvalue[] = {
@ -803,7 +801,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
option2 = 0x0000b000;
break;
case G200_ER:
dac_index90 = 0;
break;
}
@ -852,10 +849,8 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
WREG_DAC(i, dacvalue[i]);
}
if (mdev->type == G200_ER) {
WREG_DAC(0x90, dac_index90);
}
if (mdev->type == G200_ER)
WREG_DAC(0x90, 0);
if (option)
pci_write_config_dword(dev->pdev, PCI_MGA_OPTION, option);
@ -952,8 +947,6 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
if (mdev->type == G200_WB)
ext_vga[1] |= 0x88;
ext_vga_index24 = 0x05;
/* Set pixel clocks */
misc = 0x2d;
WREG8(MGA_MISC_OUT, misc);
@ -965,7 +958,7 @@ static int mga_crtc_mode_set(struct drm_crtc *crtc,
}
if (mdev->type == G200_ER)
WREG_ECRT(24, ext_vga_index24);
WREG_ECRT(0x24, 0x5);
if (mdev->type == G200_EV) {
WREG_ECRT(6, 0);