Merge master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa

[linux-2.6] / drivers / video / nvidia / nvidia.c

diff --git a/drivers/video/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c
index 96d51144094aecf8471201642993122061f1d96a..0b40a2a721c180609c15b16e82e3209b195a846e 100644 (file)
--- a/drivers/video/nvidia/nvidia.c
+++ b/drivers/video/nvidia/nvidia.c
@@ -411,6 +411,7 @@ MODULE_DEVICE_TABLE(pci, nvidiafb_pci_tbl);
 
 /* command line data, set in nvidiafb_setup() */
 static int flatpanel __devinitdata = -1;       /* Autodetect later */
+static int fpdither __devinitdata = -1;
 static int forceCRTC __devinitdata = -1;
 static int hwcur __devinitdata = 0;
 static int noaccel __devinitdata = 0;
@@ -1026,10 +1027,19 @@ static int nvidiafb_set_par(struct fb_info *info)
        NVTRACE_ENTER();
 
        NVLockUnlock(par, 1);
-       if (!par->FlatPanel || (info->var.bits_per_pixel != 24) ||
-           !par->twoHeads)
+       if (!par->FlatPanel || !par->twoHeads)
                par->FPDither = 0;
 
+       if (par->FPDither < 0) {
+               if ((par->Chipset & 0x0ff0) == 0x0110)
+                       par->FPDither = !!(NV_RD32(par->PRAMDAC, 0x0528)
+                                          & 0x00010000);
+               else
+                       par->FPDither = !!(NV_RD32(par->PRAMDAC, 0x083C) & 1);
+               printk(KERN_INFO PFX "Flat panel dithering %s\n",
+                      par->FPDither ? "enabled" : "disabled");
+       }
+
        info->fix.visual = (info->var.bits_per_pixel == 8) ?
            FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR;
 
@@ -1373,22 +1383,10 @@ static int __devinit nvidia_set_fbinfo(struct fb_info *info)
        fb_var_to_videomode(&modedb, &nvidiafb_default_var);
 
        if (specs->modedb != NULL) {
-               /* get preferred timing */
-               if (specs->misc & FB_MISC_1ST_DETAIL) {
-                       int i;
-
-                       for (i = 0; i < specs->modedb_len; i++) {
-                               if (specs->modedb[i].flag & FB_MODE_IS_FIRST) {
-                                       modedb = specs->modedb[i];
-                                       break;
-                               }
-                       }
-               } else {
-                       /* otherwise, get first mode in database */
-                       modedb = specs->modedb[0];
-               }
+               struct fb_videomode *modedb;
 
-               fb_videomode_to_var(&nvidiafb_default_var, &modedb);
+               modedb = fb_find_best_display(specs, &info->modelist);
+               fb_videomode_to_var(&nvidiafb_default_var, modedb);
                nvidiafb_default_var.bits_per_pixel = 8;
        } else if (par->fpWidth && par->fpHeight) {
                char buf[16];
@@ -1423,7 +1421,7 @@ static int __devinit nvidia_set_fbinfo(struct fb_info *info)
        info->pixmap.flags = FB_PIXMAP_SYSTEM;
 
        if (!hwcur)
-           info->fbops->fb_cursor = soft_cursor;
+           info->fbops->fb_cursor = NULL;
 
        info->var.accel_flags = (!noaccel);
 
@@ -1548,9 +1546,9 @@ static int __devinit nvidiafb_probe(struct pci_dev *pd,
        sprintf(nvidiafb_fix.id, "NV%x", (pd->device & 0x0ff0) >> 4);
 
        par->FlatPanel = flatpanel;
-
        if (flatpanel == 1)
                printk(KERN_INFO PFX "flatpanel support enabled\n");
+       par->FPDither = fpdither;
 
        par->CRTCnumber = forceCRTC;
        par->FpScale = (!noscale);
@@ -1729,6 +1727,8 @@ static int __devinit nvidiafb_setup(char *options)
                } else if (!strncmp(this_opt, "nomtrr", 6)) {
                        nomtrr = 1;
 #endif
+               } else if (!strncmp(this_opt, "fpdither:", 9)) {
+                       fpdither = simple_strtol(this_opt+9, NULL, 0);
                } else
                        mode_option = this_opt;
        }
@@ -1775,7 +1775,11 @@ module_exit(nvidiafb_exit);
 module_param(flatpanel, int, 0);
 MODULE_PARM_DESC(flatpanel,
                 "Enables experimental flat panel support for some chipsets. "
-                "(0 or 1=enabled) (default=0)");
+                "(0=disabled, 1=enabled, -1=autodetect) (default=-1)");
+module_param(fpdither, int, 0);
+MODULE_PARM_DESC(fpdither,
+                "Enables dithering of flat panel for 6 bits panels. "
+                "(0=disabled, 1=enabled, -1=autodetect) (default=-1)");
 module_param(hwcur, int, 0);
 MODULE_PARM_DESC(hwcur,
                 "Enables hardware cursor implementation. (0 or 1=enabled) "