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| author | Antonino A. Daplas <adaplas@gmail.com> | 2007-05-08 11:38:23 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 22:15:28 +0400 |
| commit | b9b2696de920e7366e2ce0cdc3b3b7fc11e44e99 (patch) | |
| tree | 2d1c3b7365350b332e7bb9b39acf98851bf14596 /drivers/video/nvidia | |
| parent | 0404384982b2f71eb00573c8f9da514106aca08c (diff) | |
| download | linux-b9b2696de920e7366e2ce0cdc3b3b7fc11e44e99.tar.xz | |
nvidiafb: ensure that CRTC registers are accessible
- Ensure that CRTC registers are accessible by unlocking them on set_par(),
otherwise i2c reading will fail.
- The function nvidia_vga_protect(), does not protect the VGA registers, but
turns off the screen. Rename it to nvidia_screen_off().
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/nvidia')
| -rw-r--r-- | drivers/video/nvidia/nvidia.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c index b97ec6901263..c6afafcfc24b 100644 --- a/drivers/video/nvidia/nvidia.c +++ b/drivers/video/nvidia/nvidia.c @@ -200,7 +200,7 @@ static int nvidia_panel_tweak(struct nvidia_par *par, return tweak; } -static void nvidia_vga_protect(struct nvidia_par *par, int on) +static void nvidia_screen_off(struct nvidia_par *par, int on) { unsigned char tmp; @@ -649,7 +649,7 @@ static int nvidiafb_set_par(struct fb_info *info) NVLockUnlock(par, 0); } - nvidia_vga_protect(par, 1); + nvidia_screen_off(par, 1); nvidia_write_regs(par, &par->ModeReg); NVSetStartAddress(par, 0); @@ -687,7 +687,7 @@ static int nvidiafb_set_par(struct fb_info *info) par->cursor_reset = 1; - nvidia_vga_protect(par, 0); + nvidia_screen_off(par, 0); #ifdef CONFIG_BOOTX_TEXT /* Update debug text engine */ @@ -696,6 +696,7 @@ static int nvidiafb_set_par(struct fb_info *info) info->var.bits_per_pixel, info->fix.line_length); #endif + NVLockUnlock(par, 0); NVTRACE_LEAVE(); return 0; } |