drm/radeon/kms: clean up pll struct
[safe/jmp/linux-2.6] / drivers / gpu / drm / radeon / atombios_crtc.c
index 7522af1..7a8cdf2 100644 (file)
 #include "atom.h"
 #include "atom-bits.h"
 
-/* evil but including atombios.h is much worse */
-bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
-                               SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION *crtc_timing,
-                               int32_t *pixel_clock);
 static void atombios_overscan_setup(struct drm_crtc *crtc,
                                    struct drm_display_mode *mode,
                                    struct drm_display_mode *adjusted_mode)
@@ -245,6 +241,7 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
        struct drm_device *dev = crtc->dev;
        struct radeon_device *rdev = dev->dev_private;
+       struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 
        switch (mode) {
        case DRM_MODE_DPMS_ON:
@@ -252,20 +249,19 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
                if (ASIC_IS_DCE3(rdev))
                        atombios_enable_crtc_memreq(crtc, 1);
                atombios_blank_crtc(crtc, 0);
+               drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
+               radeon_crtc_load_lut(crtc);
                break;
        case DRM_MODE_DPMS_STANDBY:
        case DRM_MODE_DPMS_SUSPEND:
        case DRM_MODE_DPMS_OFF:
+               drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
                atombios_blank_crtc(crtc, 1);
                if (ASIC_IS_DCE3(rdev))
                        atombios_enable_crtc_memreq(crtc, 0);
                atombios_enable_crtc(crtc, 0);
                break;
        }
-
-       if (mode != DRM_MODE_DPMS_OFF) {
-               radeon_crtc_load_lut(crtc);
-       }
 }
 
 static void
@@ -355,6 +351,64 @@ static void atombios_crtc_set_timing(struct drm_crtc *crtc,
        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 }
 
+static void atombios_set_ss(struct drm_crtc *crtc, int enable)
+{
+       struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+       struct drm_device *dev = crtc->dev;
+       struct radeon_device *rdev = dev->dev_private;
+       struct drm_encoder *encoder = NULL;
+       struct radeon_encoder *radeon_encoder = NULL;
+       struct radeon_encoder_atom_dig *dig = NULL;
+       int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
+       ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION args;
+       ENABLE_LVDS_SS_PARAMETERS legacy_args;
+       uint16_t percentage = 0;
+       uint8_t type = 0, step = 0, delay = 0, range = 0;
+
+       list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
+               if (encoder->crtc == crtc) {
+                       radeon_encoder = to_radeon_encoder(encoder);
+                       /* only enable spread spectrum on LVDS */
+                       if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
+                               dig = radeon_encoder->enc_priv;
+                               if (dig && dig->ss) {
+                                       percentage = dig->ss->percentage;
+                                       type = dig->ss->type;
+                                       step = dig->ss->step;
+                                       delay = dig->ss->delay;
+                                       range = dig->ss->range;
+                               } else if (enable)
+                                       return;
+                       } else if (enable)
+                               return;
+                       break;
+               }
+       }
+
+       if (!radeon_encoder)
+               return;
+
+       if (ASIC_IS_AVIVO(rdev)) {
+               memset(&args, 0, sizeof(args));
+               args.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
+               args.ucSpreadSpectrumType = type;
+               args.ucSpreadSpectrumStep = step;
+               args.ucSpreadSpectrumDelay = delay;
+               args.ucSpreadSpectrumRange = range;
+               args.ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
+               args.ucEnable = enable;
+               atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
+       } else {
+               memset(&legacy_args, 0, sizeof(legacy_args));
+               legacy_args.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
+               legacy_args.ucSpreadSpectrumType = type;
+               legacy_args.ucSpreadSpectrumStepSize_Delay = (step & 3) << 2;
+               legacy_args.ucSpreadSpectrumStepSize_Delay |= (delay & 7) << 4;
+               legacy_args.ucEnable = enable;
+               atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&legacy_args);
+       }
+}
+
 void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 {
        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
@@ -372,39 +426,32 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
        uint32_t adjusted_clock;
        uint32_t ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
        struct radeon_pll *pll;
-       int pll_flags = 0;
+
+       if (radeon_crtc->crtc_id == 0)
+               pll = &rdev->clock.p1pll;
+       else
+               pll = &rdev->clock.p2pll;
 
        memset(&args, 0, sizeof(args));
 
        if (ASIC_IS_AVIVO(rdev)) {
-               uint32_t ss_cntl;
-
                if ((rdev->family == CHIP_RS600) ||
                    (rdev->family == CHIP_RS690) ||
                    (rdev->family == CHIP_RS740))
-                       pll_flags |= (RADEON_PLL_USE_FRAC_FB_DIV |
-                                     RADEON_PLL_PREFER_CLOSEST_LOWER);
+                       pll->flags |= (RADEON_PLL_USE_FRAC_FB_DIV |
+                                      RADEON_PLL_PREFER_CLOSEST_LOWER);
 
                if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)        /* range limits??? */
-                       pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
+                       pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
                else
-                       pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
-
-               /* disable spread spectrum clocking for now -- thanks Hedy Lamarr */
-               if (radeon_crtc->crtc_id == 0) {
-                       ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL);
-                       WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl & ~1);
-               } else {
-                       ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL);
-                       WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl & ~1);
-               }
+                       pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
        } else {
-               pll_flags |= RADEON_PLL_LEGACY;
+               pll->flags |= RADEON_PLL_LEGACY;
 
                if (mode->clock > 200000)       /* range limits??? */
-                       pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
+                       pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
                else
-                       pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
+                       pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
 
        }
 
@@ -413,11 +460,10 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
                        if (!ASIC_IS_AVIVO(rdev)) {
                                if (encoder->encoder_type !=
                                    DRM_MODE_ENCODER_DAC)
-                                       pll_flags |= RADEON_PLL_NO_ODD_POST_DIV;
-                               if (!ASIC_IS_AVIVO(rdev)
-                                   && (encoder->encoder_type ==
-                                       DRM_MODE_ENCODER_LVDS))
-                                       pll_flags |= RADEON_PLL_USE_REF_DIV;
+                                       pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
+                               if (encoder->encoder_type ==
+                                       DRM_MODE_ENCODER_LVDS)
+                                       pll->flags |= RADEON_PLL_USE_REF_DIV;
                        }
                        radeon_encoder = to_radeon_encoder(encoder);
                        break;
@@ -443,17 +489,29 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
                atom_execute_table(rdev->mode_info.atom_context,
                                   index, (uint32_t *)&adjust_pll_args);
                adjusted_clock = le16_to_cpu(adjust_pll_args.usPixelClock) * 10;
-       } else
-               adjusted_clock = mode->clock;
-
-       if (radeon_crtc->crtc_id == 0)
-               pll = &rdev->clock.p1pll;
-       else
-               pll = &rdev->clock.p2pll;
+       } else {
+               /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
+               if (ASIC_IS_AVIVO(rdev) &&
+                   (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1))
+                       adjusted_clock = mode->clock * 2;
+               else
+                       adjusted_clock = mode->clock;
+       }
 
-       radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
-                          &ref_div, &post_div, pll_flags);
+       if (ASIC_IS_AVIVO(rdev)) {
+               if (radeon_new_pll)
+                       radeon_compute_pll_avivo(pll, adjusted_clock, &pll_clock,
+                                                &fb_div, &frac_fb_div,
+                                                &ref_div, &post_div);
+               else
+                       radeon_compute_pll(pll, adjusted_clock, &pll_clock,
+                                          &fb_div, &frac_fb_div,
+                                          &ref_div, &post_div);
+       } else
+               radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
+                                  &ref_div, &post_div);
 
+       index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
        atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
                              &crev);
 
@@ -513,33 +571,43 @@ void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
        }
 
        printk("executing set pll\n");
-       index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 }
 
-int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
-                          struct drm_framebuffer *old_fb)
+static int avivo_crtc_set_base(struct drm_crtc *crtc, int x, int y,
+                              struct drm_framebuffer *old_fb)
 {
        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
        struct drm_device *dev = crtc->dev;
        struct radeon_device *rdev = dev->dev_private;
        struct radeon_framebuffer *radeon_fb;
        struct drm_gem_object *obj;
-       struct drm_radeon_gem_object *obj_priv;
+       struct radeon_bo *rbo;
        uint64_t fb_location;
        uint32_t fb_format, fb_pitch_pixels, tiling_flags;
+       int r;
 
-       if (!crtc->fb)
-               return -EINVAL;
+       /* no fb bound */
+       if (!crtc->fb) {
+               DRM_DEBUG("No FB bound\n");
+               return 0;
+       }
 
        radeon_fb = to_radeon_framebuffer(crtc->fb);
 
+       /* Pin framebuffer & get tilling informations */
        obj = radeon_fb->obj;
-       obj_priv = obj->driver_private;
-
-       if (radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &fb_location)) {
+       rbo = obj->driver_private;
+       r = radeon_bo_reserve(rbo, false);
+       if (unlikely(r != 0))
+               return r;
+       r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
+       if (unlikely(r != 0)) {
+               radeon_bo_unreserve(rbo);
                return -EINVAL;
        }
+       radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
+       radeon_bo_unreserve(rbo);
 
        switch (crtc->fb->bits_per_pixel) {
        case 8:
@@ -569,8 +637,6 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
                return -EINVAL;
        }
 
-       radeon_object_get_tiling_flags(obj->driver_private,
-                                      &tiling_flags, NULL);
        if (tiling_flags & RADEON_TILING_MACRO)
                fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
 
@@ -581,6 +647,16 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
                WREG32(AVIVO_D1VGA_CONTROL, 0);
        else
                WREG32(AVIVO_D2VGA_CONTROL, 0);
+
+       if (rdev->family >= CHIP_RV770) {
+               if (radeon_crtc->crtc_id) {
+                       WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 0);
+                       WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 0);
+               } else {
+                       WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, 0);
+                       WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, 0);
+               }
+       }
        WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
               (u32) fb_location);
        WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
@@ -615,7 +691,12 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
 
        if (old_fb && old_fb != crtc->fb) {
                radeon_fb = to_radeon_framebuffer(old_fb);
-               radeon_gem_object_unpin(radeon_fb->obj);
+               rbo = radeon_fb->obj->driver_private;
+               r = radeon_bo_reserve(rbo, false);
+               if (unlikely(r != 0))
+                       return r;
+               radeon_bo_unpin(rbo);
+               radeon_bo_unreserve(rbo);
        }
 
        /* Bytes per pixel may have changed */
@@ -624,6 +705,42 @@ int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
        return 0;
 }
 
+int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
+                          struct drm_framebuffer *old_fb)
+{
+       struct drm_device *dev = crtc->dev;
+       struct radeon_device *rdev = dev->dev_private;
+
+       if (ASIC_IS_AVIVO(rdev))
+               return avivo_crtc_set_base(crtc, x, y, old_fb);
+       else
+               return radeon_crtc_set_base(crtc, x, y, old_fb);
+}
+
+/* properly set additional regs when using atombios */
+static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
+{
+       struct drm_device *dev = crtc->dev;
+       struct radeon_device *rdev = dev->dev_private;
+       struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+       u32 disp_merge_cntl;
+
+       switch (radeon_crtc->crtc_id) {
+       case 0:
+               disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
+               disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
+               WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
+               break;
+       case 1:
+               disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
+               disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
+               WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
+               WREG32(RADEON_FP_H2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
+               WREG32(RADEON_FP_V2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
+               break;
+       }
+}
+
 int atombios_crtc_mode_set(struct drm_crtc *crtc,
                           struct drm_display_mode *mode,
                           struct drm_display_mode *adjusted_mode,
@@ -635,7 +752,9 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
 
        /* TODO color tiling */
 
+       atombios_set_ss(crtc, 0);
        atombios_crtc_set_pll(crtc, adjusted_mode);
+       atombios_set_ss(crtc, 1);
        atombios_crtc_set_timing(crtc, adjusted_mode);
 
        if (ASIC_IS_AVIVO(rdev))
@@ -643,8 +762,8 @@ int atombios_crtc_mode_set(struct drm_crtc *crtc,
        else {
                if (radeon_crtc->crtc_id == 0)
                        atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
-               radeon_crtc_set_base(crtc, x, y, old_fb);
-               radeon_legacy_atom_set_surface(crtc);
+               atombios_crtc_set_base(crtc, x, y, old_fb);
+               radeon_legacy_atom_fixup(crtc);
        }
        atombios_overscan_setup(crtc, mode, adjusted_mode);
        atombios_scaler_setup(crtc);
@@ -662,8 +781,8 @@ static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
 
 static void atombios_crtc_prepare(struct drm_crtc *crtc)
 {
-       atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
        atombios_lock_crtc(crtc, 1);
+       atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
 }
 
 static void atombios_crtc_commit(struct drm_crtc *crtc)