radeonfb: Disable new color expand acceleration unless explicitely enabled

[linux-2.6-omap-h63xx.git] / drivers / video / aty / radeon_base.c

diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index 652273e9f5f9223fc80261d035c114765ea59f71..d5b27f9d374d0f23f72dd18c67be2e2e8d22c579 100644 (file)
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -282,6 +282,8 @@ static int backlight = 1;
 static int backlight = 0;
 #endif
 
+int accel_cexp = 0;
+
 /*
  * prototypes
  */
@@ -852,7 +854,6 @@ static int radeonfb_pan_display (struct fb_var_screeninfo *var,
         if (rinfo->asleep)
                return 0;
 
-       radeon_fifo_wait(2);
         OUTREG(CRTC_OFFSET, ((var->yoffset * var->xres_virtual + var->xoffset)
                             * var->bits_per_pixel / 8) & ~7);
         return 0;
@@ -882,7 +883,6 @@ static int radeonfb_ioctl (struct fb_info *info, unsigned int cmd,
                        if (rc)
                                return rc;
 
-                       radeon_fifo_wait(2);
                        if (value & 0x01) {
                                tmp = INREG(LVDS_GEN_CNTL);
 
@@ -940,7 +940,7 @@ int radeon_screen_blank(struct radeonfb_info *rinfo, int blank, int mode_switch)
        if (rinfo->lock_blank)
                return 0;
 
-       radeon_engine_idle();
+       radeon_engine_idle(rinfo);
 
        val = INREG(CRTC_EXT_CNTL);
         val &= ~(CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS |
@@ -1048,7 +1048,7 @@ static int radeonfb_blank (int blank, struct fb_info *info)
 
        if (rinfo->asleep)
                return 0;
-               
+
        return radeon_screen_blank(rinfo, blank, 0);
 }
 
@@ -1074,8 +1074,6 @@ static int radeon_setcolreg (unsigned regno, unsigned red, unsigned green,
         pindex = regno;
 
         if (!rinfo->asleep) {
-               radeon_fifo_wait(9);
-
                if (rinfo->bpp == 16) {
                        pindex = regno * 8;
 
@@ -1244,8 +1242,6 @@ static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_reg
 {
        int i;
 
-       radeon_fifo_wait(20);
-
        /* Workaround from XFree */
        if (rinfo->is_mobility) {
                /* A temporal workaround for the occational blanking on certain laptop
@@ -1286,11 +1282,10 @@ static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_reg
        radeon_pll_errata_after_data(rinfo);
 
        /* Set PPLL ref. div */
-       if (rinfo->family == CHIP_FAMILY_R300 ||
+       if (IS_R300_VARIANT(rinfo) ||
            rinfo->family == CHIP_FAMILY_RS300 ||
-           rinfo->family == CHIP_FAMILY_R350 ||
-           rinfo->family == CHIP_FAMILY_RV350 ||
-           rinfo->family == CHIP_FAMILY_RV380 ) {
+           rinfo->family == CHIP_FAMILY_RS400 ||
+           rinfo->family == CHIP_FAMILY_RS480) {
                if (mode->ppll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) {
                        /* When restoring console mode, use saved PPLL_REF_DIV
                         * setting.
@@ -1342,7 +1337,7 @@ static void radeon_lvds_timer_func(unsigned long data)
 {
        struct radeonfb_info *rinfo = (struct radeonfb_info *)data;
 
-       radeon_engine_idle();
+       radeon_engine_idle(rinfo);
 
        OUTREG(LVDS_GEN_CNTL, rinfo->pending_lvds_gen_cntl);
 }
@@ -1360,10 +1355,11 @@ void radeon_write_mode (struct radeonfb_info *rinfo, struct radeon_regs *mode,
        if (nomodeset)
                return;
 
+       radeon_engine_idle(rinfo);
+
        if (!regs_only)
                radeon_screen_blank(rinfo, FB_BLANK_NORMAL, 0);
 
-       radeon_fifo_wait(31);
        for (i=0; i<10; i++)
                OUTREG(common_regs[i].reg, common_regs[i].val);
 
@@ -1391,7 +1387,6 @@ void radeon_write_mode (struct radeonfb_info *rinfo, struct radeon_regs *mode,
        radeon_write_pll_regs(rinfo, mode);
 
        if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
-               radeon_fifo_wait(10);
                OUTREG(FP_CRTC_H_TOTAL_DISP, mode->fp_crtc_h_total_disp);
                OUTREG(FP_CRTC_V_TOTAL_DISP, mode->fp_crtc_v_total_disp);
                OUTREG(FP_H_SYNC_STRT_WID, mode->fp_h_sync_strt_wid);
@@ -1406,7 +1401,6 @@ void radeon_write_mode (struct radeonfb_info *rinfo, struct radeon_regs *mode,
        if (!regs_only)
                radeon_screen_blank(rinfo, FB_BLANK_UNBLANK, 0);
 
-       radeon_fifo_wait(2);
        OUTPLL(VCLK_ECP_CNTL, mode->vclk_ecp_cntl);
        
        return;
@@ -1461,10 +1455,7 @@ static void radeon_calc_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs
                /* Not all chip revs have the same format for this register,
                 * extract the source selection
                 */
-               if (rinfo->family == CHIP_FAMILY_R200 ||
-                   rinfo->family == CHIP_FAMILY_R300 ||
-                   rinfo->family == CHIP_FAMILY_R350 ||
-                   rinfo->family == CHIP_FAMILY_RV350) {
+               if (rinfo->family == CHIP_FAMILY_R200 || IS_R300_VARIANT(rinfo)) {
                        source = (fp2_gen_cntl >> 10) & 0x3;
                        /* sourced from transform unit, check for transform unit
                         * own source
@@ -1560,7 +1551,7 @@ static int radeonfb_set_par(struct fb_info *info)
        /* We always want engine to be idle on a mode switch, even
         * if we won't actually change the mode
         */
-       radeon_engine_idle();
+       radeon_engine_idle(rinfo);
 
        hSyncStart = mode->xres + mode->right_margin;
        hSyncEnd = hSyncStart + mode->hsync_len;
@@ -1855,7 +1846,6 @@ static int radeonfb_set_par(struct fb_info *info)
        return 0;
 }
 
-
 static struct fb_ops radeonfb_ops = {
        .owner                  = THIS_MODULE,
        .fb_check_var           = radeonfb_check_var,
@@ -1879,6 +1869,7 @@ static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo)
        info->par = rinfo;
        info->pseudo_palette = rinfo->pseudo_palette;
        info->flags = FBINFO_DEFAULT
+                   | FBINFO_HWACCEL_IMAGEBLIT
                    | FBINFO_HWACCEL_COPYAREA
                    | FBINFO_HWACCEL_FILLRECT
                    | FBINFO_HWACCEL_XPAN
@@ -1886,6 +1877,7 @@ static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo)
        info->fbops = &radeonfb_ops;
        info->screen_base = rinfo->fb_base;
        info->screen_size = rinfo->mapped_vram;
+
        /* Fill fix common fields */
        strlcpy(info->fix.id, rinfo->name, sizeof(info->fix.id));
         info->fix.smem_start = rinfo->fb_base_phys;
@@ -1900,8 +1892,25 @@ static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo)
         info->fix.mmio_len = RADEON_REGSIZE;
        info->fix.accel = FB_ACCEL_ATI_RADEON;
 
+       /* Allocate colormap */
        fb_alloc_cmap(&info->cmap, 256, 0);
 
+       /* Setup pixmap used for acceleration */
+#define PIXMAP_SIZE    (2048 * 4)
+
+       info->pixmap.addr = kmalloc(PIXMAP_SIZE, GFP_KERNEL);
+       if (!info->pixmap.addr) {
+               printk(KERN_ERR "radeonfb: Failed to allocate pixmap !\n");
+               noaccel = 1;
+               goto bail;
+       }
+       info->pixmap.size = PIXMAP_SIZE;
+       info->pixmap.flags = FB_PIXMAP_SYSTEM;
+       info->pixmap.scan_align = 4;
+       info->pixmap.buf_align = 4;
+       info->pixmap.access_align = 32;
+
+bail:
        if (noaccel)
                info->flags |= FBINFO_HWACCEL_DISABLED;
 
@@ -2005,11 +2014,11 @@ static void radeon_identify_vram(struct radeonfb_info *rinfo)
             (rinfo->family == CHIP_FAMILY_RS200) ||
             (rinfo->family == CHIP_FAMILY_RS300) ||
             (rinfo->family == CHIP_FAMILY_RC410) ||
+            (rinfo->family == CHIP_FAMILY_RS400) ||
            (rinfo->family == CHIP_FAMILY_RS480) ) {
           u32 tom = INREG(NB_TOM);
           tmp = ((((tom >> 16) - (tom & 0xffff) + 1) << 6) * 1024);
 
-               radeon_fifo_wait(6);
           OUTREG(MC_FB_LOCATION, tom);
           OUTREG(DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
           OUTREG(CRTC2_DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
@@ -2513,6 +2522,8 @@ static int __init radeonfb_setup (char *options)
                } else if (!strncmp(this_opt, "ignore_devlist", 14)) {
                        ignore_devlist = 1;
 #endif
+               } else if (!strncmp(this_opt, "accel_cexp", 12)) {
+                       accel_cexp = 1;
                } else
                        mode_option = this_opt;
        }
@@ -2560,6 +2571,8 @@ module_param(monitor_layout, charp, 0);
 MODULE_PARM_DESC(monitor_layout, "Specify monitor mapping (like XFree86)");
 module_param(force_measure_pll, bool, 0);
 MODULE_PARM_DESC(force_measure_pll, "Force measurement of PLL (debug)");
+module_param(accel_cexp, bool, 0);
+MODULE_PARM_DESC(accel_cexp, "Use acceleration engine for color expansion");
 #ifdef CONFIG_MTRR
 module_param(nomtrr, bool, 0);
 MODULE_PARM_DESC(nomtrr, "bool: disable use of MTRR registers");