This commit was manufactured by cvs2svn to create branch
[linux-2.6.git] / drivers / video / aty / radeon_base.c
index bd3b24c..acec888 100644 (file)
@@ -1406,19 +1406,23 @@ int radeonfb_set_par(struct fb_info *info)
 {
        struct radeonfb_info *rinfo = info->par;
        struct fb_var_screeninfo *mode = &info->var;
-       struct radeon_regs newmode;
+       struct radeon_regs *newmode;
        int hTotal, vTotal, hSyncStart, hSyncEnd,
            hSyncPol, vSyncStart, vSyncEnd, vSyncPol, cSync;
        u8 hsync_adj_tab[] = {0, 0x12, 9, 9, 6, 5};
        u8 hsync_fudge_fp[] = {2, 2, 0, 0, 5, 5};
        u32 sync, h_sync_pol, v_sync_pol, dotClock, pixClock;
        int i, freq;
-        int format = 0;
+       int format = 0;
        int nopllcalc = 0;
        int hsync_start, hsync_fudge, bytpp, hsync_wid, vsync_wid;
        int primary_mon = PRIMARY_MONITOR(rinfo);
        int depth = var_to_depth(mode);
 
+       newmode = kmalloc(sizeof(struct radeon_regs), GFP_KERNEL);
+       if (!newmode)
+               return -ENOMEM;
+
        /* We always want engine to be idle on a mode switch, even
         * if we won't actually change the mode
         */
@@ -1458,9 +1462,9 @@ int radeonfb_set_par(struct fb_info *info)
 
                if (rinfo->panel_info.use_bios_dividers) {
                        nopllcalc = 1;
-                       newmode.ppll_div_3 = rinfo->panel_info.fbk_divider |
+                       newmode->ppll_div_3 = rinfo->panel_info.fbk_divider |
                                (rinfo->panel_info.post_divider << 16);
-                       newmode.ppll_ref_div = rinfo->panel_info.ref_divider;
+                       newmode->ppll_ref_div = rinfo->panel_info.ref_divider;
                }
        }
        dotClock = 1000000000 / pixClock;
@@ -1498,38 +1502,38 @@ int radeonfb_set_par(struct fb_info *info)
 
        hsync_start = hSyncStart - 8 + hsync_fudge;
 
-       newmode.crtc_gen_cntl = CRTC_EXT_DISP_EN | CRTC_EN |
+       newmode->crtc_gen_cntl = CRTC_EXT_DISP_EN | CRTC_EN |
                                (format << 8);
 
        /* Clear auto-center etc... */
-       newmode.crtc_more_cntl = rinfo->init_state.crtc_more_cntl;
-       newmode.crtc_more_cntl &= 0xfffffff0;
+       newmode->crtc_more_cntl = rinfo->init_state.crtc_more_cntl;
+       newmode->crtc_more_cntl &= 0xfffffff0;
        
        if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
-               newmode.crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN;
+               newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN;
                if (mirror)
-                       newmode.crtc_ext_cntl |= CRTC_CRT_ON;
+                       newmode->crtc_ext_cntl |= CRTC_CRT_ON;
 
-               newmode.crtc_gen_cntl &= ~(CRTC_DBL_SCAN_EN |
+               newmode->crtc_gen_cntl &= ~(CRTC_DBL_SCAN_EN |
                                           CRTC_INTERLACE_EN);
        } else {
-               newmode.crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN |
+               newmode->crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN |
                                        CRTC_CRT_ON;
        }
 
-       newmode.dac_cntl = /* INREG(DAC_CNTL) | */ DAC_MASK_ALL | DAC_VGA_ADR_EN |
+       newmode->dac_cntl = /* INREG(DAC_CNTL) | */ DAC_MASK_ALL | DAC_VGA_ADR_EN |
                           DAC_8BIT_EN;
 
-       newmode.crtc_h_total_disp = ((((hTotal / 8) - 1) & 0x3ff) |
+       newmode->crtc_h_total_disp = ((((hTotal / 8) - 1) & 0x3ff) |
                                     (((mode->xres / 8) - 1) << 16));
 
-       newmode.crtc_h_sync_strt_wid = ((hsync_start & 0x1fff) |
+       newmode->crtc_h_sync_strt_wid = ((hsync_start & 0x1fff) |
                                        (hsync_wid << 16) | (h_sync_pol << 23));
 
-       newmode.crtc_v_total_disp = ((vTotal - 1) & 0xffff) |
+       newmode->crtc_v_total_disp = ((vTotal - 1) & 0xffff) |
                                    ((mode->yres - 1) << 16);
 
-       newmode.crtc_v_sync_strt_wid = (((vSyncStart - 1) & 0xfff) |
+       newmode->crtc_v_sync_strt_wid = (((vSyncStart - 1) & 0xfff) |
                                         (vsync_wid << 16) | (v_sync_pol  << 23));
 
        if (!(info->flags & FBINFO_HWACCEL_DISABLED)) {
@@ -1538,18 +1542,18 @@ int radeonfb_set_par(struct fb_info *info)
                                & ~(0x3f)) >> 6;
 
                /* Then, re-multiply it to get the CRTC pitch */
-               newmode.crtc_pitch = (rinfo->pitch << 3) / ((mode->bits_per_pixel + 1) / 8);
+               newmode->crtc_pitch = (rinfo->pitch << 3) / ((mode->bits_per_pixel + 1) / 8);
        } else
-               newmode.crtc_pitch = (mode->xres_virtual >> 3);
+               newmode->crtc_pitch = (mode->xres_virtual >> 3);
 
-       newmode.crtc_pitch |= (newmode.crtc_pitch << 16);
+       newmode->crtc_pitch |= (newmode->crtc_pitch << 16);
 
        /*
         * It looks like recent chips have a problem with SURFACE_CNTL,
         * setting SURF_TRANSLATION_DIS completely disables the
         * swapper as well, so we leave it unset now.
         */
-       newmode.surface_cntl = 0;
+       newmode->surface_cntl = 0;
 
 #if defined(__BIG_ENDIAN)
 
@@ -1559,28 +1563,28 @@ int radeonfb_set_par(struct fb_info *info)
         */
        switch (mode->bits_per_pixel) {
                case 16:
-                       newmode.surface_cntl |= NONSURF_AP0_SWP_16BPP;
-                       newmode.surface_cntl |= NONSURF_AP1_SWP_16BPP;
+                       newmode->surface_cntl |= NONSURF_AP0_SWP_16BPP;
+                       newmode->surface_cntl |= NONSURF_AP1_SWP_16BPP;
                        break;
                case 24:        
                case 32:
-                       newmode.surface_cntl |= NONSURF_AP0_SWP_32BPP;
-                       newmode.surface_cntl |= NONSURF_AP1_SWP_32BPP;
+                       newmode->surface_cntl |= NONSURF_AP0_SWP_32BPP;
+                       newmode->surface_cntl |= NONSURF_AP1_SWP_32BPP;
                        break;
        }
 #endif
 
        /* Clear surface registers */
        for (i=0; i<8; i++) {
-               newmode.surf_lower_bound[i] = 0;
-               newmode.surf_upper_bound[i] = 0x1f;
-               newmode.surf_info[i] = 0;
+               newmode->surf_lower_bound[i] = 0;
+               newmode->surf_upper_bound[i] = 0x1f;
+               newmode->surf_info[i] = 0;
        }
 
        RTRACE("h_total_disp = 0x%x\t   hsync_strt_wid = 0x%x\n",
-               newmode.crtc_h_total_disp, newmode.crtc_h_sync_strt_wid);
+               newmode->crtc_h_total_disp, newmode->crtc_h_sync_strt_wid);
        RTRACE("v_total_disp = 0x%x\t   vsync_strt_wid = 0x%x\n",
-               newmode.crtc_v_total_disp, newmode.crtc_v_sync_strt_wid);
+               newmode->crtc_v_total_disp, newmode->crtc_v_sync_strt_wid);
 
        rinfo->bpp = mode->bits_per_pixel;
        rinfo->depth = depth;
@@ -1589,9 +1593,9 @@ int radeonfb_set_par(struct fb_info *info)
        RTRACE("freq = %lu\n", (unsigned long)freq);
 
        if (!nopllcalc)
-               radeon_calc_pll_regs(rinfo, &newmode, freq);
+               radeon_calc_pll_regs(rinfo, newmode, freq);
 
-       newmode.vclk_ecp_cntl = rinfo->init_state.vclk_ecp_cntl;
+       newmode->vclk_ecp_cntl = rinfo->init_state.vclk_ecp_cntl;
 
        if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
                unsigned int hRatio, vRatio;
@@ -1601,35 +1605,35 @@ int radeonfb_set_par(struct fb_info *info)
                if (mode->yres > rinfo->panel_info.yres)
                        mode->yres = rinfo->panel_info.yres;
 
-               newmode.fp_horz_stretch = (((rinfo->panel_info.xres / 8) - 1)
+               newmode->fp_horz_stretch = (((rinfo->panel_info.xres / 8) - 1)
                                           << HORZ_PANEL_SHIFT);
-               newmode.fp_vert_stretch = ((rinfo->panel_info.yres - 1)
+               newmode->fp_vert_stretch = ((rinfo->panel_info.yres - 1)
                                           << VERT_PANEL_SHIFT);
 
                if (mode->xres != rinfo->panel_info.xres) {
                        hRatio = round_div(mode->xres * HORZ_STRETCH_RATIO_MAX,
                                           rinfo->panel_info.xres);
-                       newmode.fp_horz_stretch = (((((unsigned long)hRatio) & HORZ_STRETCH_RATIO_MASK)) |
-                                                  (newmode.fp_horz_stretch &
+                       newmode->fp_horz_stretch = (((((unsigned long)hRatio) & HORZ_STRETCH_RATIO_MASK)) |
+                                                  (newmode->fp_horz_stretch &
                                                    (HORZ_PANEL_SIZE | HORZ_FP_LOOP_STRETCH |
                                                     HORZ_AUTO_RATIO_INC)));
-                       newmode.fp_horz_stretch |= (HORZ_STRETCH_BLEND |
+                       newmode->fp_horz_stretch |= (HORZ_STRETCH_BLEND |
                                                    HORZ_STRETCH_ENABLE);
                }
-               newmode.fp_horz_stretch &= ~HORZ_AUTO_RATIO;
+               newmode->fp_horz_stretch &= ~HORZ_AUTO_RATIO;
 
                if (mode->yres != rinfo->panel_info.yres) {
                        vRatio = round_div(mode->yres * VERT_STRETCH_RATIO_MAX,
                                           rinfo->panel_info.yres);
-                       newmode.fp_vert_stretch = (((((unsigned long)vRatio) & VERT_STRETCH_RATIO_MASK)) |
-                                                  (newmode.fp_vert_stretch &
+                       newmode->fp_vert_stretch = (((((unsigned long)vRatio) & VERT_STRETCH_RATIO_MASK)) |
+                                                  (newmode->fp_vert_stretch &
                                                   (VERT_PANEL_SIZE | VERT_STRETCH_RESERVED)));
-                       newmode.fp_vert_stretch |= (VERT_STRETCH_BLEND |
+                       newmode->fp_vert_stretch |= (VERT_STRETCH_BLEND |
                                                    VERT_STRETCH_ENABLE);
                }
-               newmode.fp_vert_stretch &= ~VERT_AUTO_RATIO_EN;
+               newmode->fp_vert_stretch &= ~VERT_AUTO_RATIO_EN;
 
-               newmode.fp_gen_cntl = (rinfo->init_state.fp_gen_cntl & (u32)
+               newmode->fp_gen_cntl = (rinfo->init_state.fp_gen_cntl & (u32)
                                       ~(FP_SEL_CRTC2 |
                                         FP_RMX_HVSYNC_CONTROL_EN |
                                         FP_DFP_SYNC_SEL |
@@ -1639,46 +1643,46 @@ int radeonfb_set_par(struct fb_info *info)
                                         FP_CRTC_USE_SHADOW_VEND |
                                         FP_CRT_SYNC_ALT));
 
-               newmode.fp_gen_cntl |= (FP_CRTC_DONT_SHADOW_VPAR |
+               newmode->fp_gen_cntl |= (FP_CRTC_DONT_SHADOW_VPAR |
                                        FP_CRTC_DONT_SHADOW_HEND);
 
-               newmode.lvds_gen_cntl = rinfo->init_state.lvds_gen_cntl;
-               newmode.lvds_pll_cntl = rinfo->init_state.lvds_pll_cntl;
-               newmode.tmds_crc = rinfo->init_state.tmds_crc;
-               newmode.tmds_transmitter_cntl = rinfo->init_state.tmds_transmitter_cntl;
+               newmode->lvds_gen_cntl = rinfo->init_state.lvds_gen_cntl;
+               newmode->lvds_pll_cntl = rinfo->init_state.lvds_pll_cntl;
+               newmode->tmds_crc = rinfo->init_state.tmds_crc;
+               newmode->tmds_transmitter_cntl = rinfo->init_state.tmds_transmitter_cntl;
 
                if (primary_mon == MT_LCD) {
-                       newmode.lvds_gen_cntl |= (LVDS_ON | LVDS_BLON);
-                       newmode.fp_gen_cntl &= ~(FP_FPON | FP_TMDS_EN);
+                       newmode->lvds_gen_cntl |= (LVDS_ON | LVDS_BLON);
+                       newmode->fp_gen_cntl &= ~(FP_FPON | FP_TMDS_EN);
                } else {
                        /* DFP */
-                       newmode.fp_gen_cntl |= (FP_FPON | FP_TMDS_EN);
-                       newmode.tmds_transmitter_cntl = (TMDS_RAN_PAT_RST | TMDS_ICHCSEL) &
+                       newmode->fp_gen_cntl |= (FP_FPON | FP_TMDS_EN);
+                       newmode->tmds_transmitter_cntl = (TMDS_RAN_PAT_RST | TMDS_ICHCSEL) &
                                                         ~(TMDS_PLLRST);
                        /* TMDS_PLL_EN bit is reversed on RV (and mobility) chips */
                        if ((rinfo->family == CHIP_FAMILY_R300) ||
                            (rinfo->family == CHIP_FAMILY_R350) ||
                            (rinfo->family == CHIP_FAMILY_RV350) ||
                            (rinfo->family == CHIP_FAMILY_R200) || !rinfo->has_CRTC2)
-                               newmode.tmds_transmitter_cntl &= ~TMDS_PLL_EN;
+                               newmode->tmds_transmitter_cntl &= ~TMDS_PLL_EN;
                        else
-                               newmode.tmds_transmitter_cntl |= TMDS_PLL_EN;
-                       newmode.crtc_ext_cntl &= ~CRTC_CRT_ON;
+                               newmode->tmds_transmitter_cntl |= TMDS_PLL_EN;
+                       newmode->crtc_ext_cntl &= ~CRTC_CRT_ON;
                }
 
-               newmode.fp_crtc_h_total_disp = (((rinfo->panel_info.hblank / 8) & 0x3ff) |
+               newmode->fp_crtc_h_total_disp = (((rinfo->panel_info.hblank / 8) & 0x3ff) |
                                (((mode->xres / 8) - 1) << 16));
-               newmode.fp_crtc_v_total_disp = (rinfo->panel_info.vblank & 0xffff) |
+               newmode->fp_crtc_v_total_disp = (rinfo->panel_info.vblank & 0xffff) |
                                ((mode->yres - 1) << 16);
-               newmode.fp_h_sync_strt_wid = ((rinfo->panel_info.hOver_plus & 0x1fff) |
+               newmode->fp_h_sync_strt_wid = ((rinfo->panel_info.hOver_plus & 0x1fff) |
                                (hsync_wid << 16) | (h_sync_pol << 23));
-               newmode.fp_v_sync_strt_wid = ((rinfo->panel_info.vOver_plus & 0xfff) |
+               newmode->fp_v_sync_strt_wid = ((rinfo->panel_info.vOver_plus & 0xfff) |
                                (vsync_wid << 16) | (v_sync_pol  << 23));
        }
 
        /* do it! */
        if (!rinfo->asleep) {
-               radeon_write_mode (rinfo, &newmode);
+               radeon_write_mode (rinfo, newmode);
                /* (re)initialize the engine */
                if (!(info->flags & FBINFO_HWACCEL_DISABLED))
                        radeonfb_engine_init (rinfo);
@@ -1698,6 +1702,7 @@ int radeonfb_set_par(struct fb_info *info)
                             rinfo->depth, info->fix.line_length);
 #endif
 
+       kfree(newmode);
        return 0;
 }