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Diffstat (limited to 'linux-core/atombios_crtc.c')
-rw-r--r--linux-core/atombios_crtc.c462
1 files changed, 0 insertions, 462 deletions
diff --git a/linux-core/atombios_crtc.c b/linux-core/atombios_crtc.c
deleted file mode 100644
index 2e144c90..00000000
--- a/linux-core/atombios_crtc.c
+++ /dev/null
@@ -1,462 +0,0 @@
-/*
- * Copyright 2007-8 Advanced Micro Devices, Inc.
- * Copyright 2008 Red Hat Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Authors: Dave Airlie
- * Alex Deucher
- */
-#include "drmP.h"
-#include "radeon_drm.h"
-#include "radeon_drv.h"
-
-#include "drm_crtc_helper.h"
-#include "atom.h"
-#include "atom-bits.h"
-
-static void atombios_lock_crtc(struct drm_crtc *crtc, int lock)
-{
- struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct drm_radeon_private *dev_priv = dev->dev_private;
- int index = GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
- ENABLE_CRTC_PS_ALLOCATION args;
-
- memset(&args, 0, sizeof(args));
-
- args.ucCRTC = radeon_crtc->crtc_id;
- args.ucEnable = lock;
-
- atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&args);
-}
-
-static void atombios_enable_crtc(struct drm_crtc *crtc, int state)
-{
- struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct drm_radeon_private *dev_priv = dev->dev_private;
- int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC);
- ENABLE_CRTC_PS_ALLOCATION args;
-
- memset(&args, 0, sizeof(args));
-
- args.ucCRTC = radeon_crtc->crtc_id;
- args.ucEnable = state;
-
- atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&args);
-}
-
-static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state)
-{
- struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct drm_radeon_private *dev_priv = dev->dev_private;
- int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq);
- ENABLE_CRTC_PS_ALLOCATION args;
-
- memset(&args, 0, sizeof(args));
-
- args.ucCRTC = radeon_crtc->crtc_id;
- args.ucEnable = state;
-
- atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&args);
-}
-
-static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
-{
- struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct drm_radeon_private *dev_priv = dev->dev_private;
- int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
- BLANK_CRTC_PS_ALLOCATION args;
-
- memset(&args, 0, sizeof(args));
-
- args.ucCRTC = radeon_crtc->crtc_id;
- args.ucBlanking = state;
-
- atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&args);
-}
-
-void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
- struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct drm_radeon_private *dev_priv = dev->dev_private;
-
- switch(mode) {
- case DRM_MODE_DPMS_ON:
- case DRM_MODE_DPMS_STANDBY:
- case DRM_MODE_DPMS_SUSPEND:
- if (radeon_is_dce3(dev_priv))
- atombios_enable_crtc_memreq(crtc, 1);
- atombios_enable_crtc(crtc, 1);
- atombios_blank_crtc(crtc, 0);
-
- radeon_crtc_load_lut(crtc);
- break;
- case DRM_MODE_DPMS_OFF:
- atombios_blank_crtc(crtc, 1);
- atombios_enable_crtc(crtc, 0);
- if (radeon_is_dce3(dev_priv))
- atombios_enable_crtc_memreq(crtc, 0);
- break;
- }
-}
-
-static void
-atombios_set_crtc_dtd_timing(struct drm_crtc *crtc, SET_CRTC_USING_DTD_TIMING_PARAMETERS *crtc_param)
-{
- struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct drm_radeon_private *dev_priv = dev->dev_private;
- SET_CRTC_USING_DTD_TIMING_PARAMETERS conv_param;
- int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
-
- conv_param.usH_Size = cpu_to_le16(crtc_param->usH_Size);
- conv_param.usH_Blanking_Time = cpu_to_le16(crtc_param->usH_Blanking_Time);
- conv_param.usV_Size = cpu_to_le16(crtc_param->usV_Size);
- conv_param.usV_Blanking_Time = cpu_to_le16(crtc_param->usV_Blanking_Time);
- conv_param.usH_SyncOffset = cpu_to_le16(crtc_param->usH_SyncOffset);
- conv_param.usH_SyncWidth = cpu_to_le16(crtc_param->usH_SyncWidth);
- conv_param.usV_SyncOffset = cpu_to_le16(crtc_param->usV_SyncOffset);
- conv_param.usV_SyncWidth = cpu_to_le16(crtc_param->usV_SyncWidth);
- conv_param.susModeMiscInfo.usAccess = cpu_to_le16(crtc_param->susModeMiscInfo.usAccess);
- conv_param.ucCRTC = crtc_param->ucCRTC;
-
- printk("executing set crtc dtd timing\n");
- atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&conv_param);
-}
-
-void atombios_crtc_set_timing(struct drm_crtc *crtc, SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION *crtc_param)
-{
- struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct drm_radeon_private *dev_priv = dev->dev_private;
- SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION conv_param;
- int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
-
- conv_param.usH_Total = cpu_to_le16(crtc_param->usH_Total);
- conv_param.usH_Disp = cpu_to_le16(crtc_param->usH_Disp);
- conv_param.usH_SyncStart = cpu_to_le16(crtc_param->usH_SyncStart);
- conv_param.usH_SyncWidth = cpu_to_le16(crtc_param->usH_SyncWidth);
- conv_param.usV_Total = cpu_to_le16(crtc_param->usV_Total);
- conv_param.usV_Disp = cpu_to_le16(crtc_param->usV_Disp);
- conv_param.usV_SyncStart = cpu_to_le16(crtc_param->usV_SyncStart);
- conv_param.usV_SyncWidth = cpu_to_le16(crtc_param->usV_SyncWidth);
- conv_param.susModeMiscInfo.usAccess = cpu_to_le16(crtc_param->susModeMiscInfo.usAccess);
- conv_param.ucCRTC = crtc_param->ucCRTC;
- conv_param.ucOverscanRight = crtc_param->ucOverscanRight;
- conv_param.ucOverscanLeft = crtc_param->ucOverscanLeft;
- conv_param.ucOverscanBottom = crtc_param->ucOverscanBottom;
- conv_param.ucOverscanTop = crtc_param->ucOverscanTop;
- conv_param.ucReserved = crtc_param->ucReserved;
-
- printk("executing set crtc timing\n");
- atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&conv_param);
-}
-
-void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
-{
- struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct drm_radeon_private *dev_priv = dev->dev_private;
- uint8_t frev, crev;
- int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
- SET_PIXEL_CLOCK_PS_ALLOCATION spc_param;
- PIXEL_CLOCK_PARAMETERS_V2 *spc2_ptr;
- PIXEL_CLOCK_PARAMETERS_V3 *spc3_ptr;
- uint32_t sclock = mode->clock;
- uint32_t ref_div = 0, fb_div = 0, post_div = 0;
- struct radeon_pll *pll;
- int pll_flags = 0;
-
- memset(&spc_param, 0, sizeof(SET_PIXEL_CLOCK_PS_ALLOCATION));
-
- if (!radeon_is_avivo(dev_priv))
- pll_flags |= RADEON_PLL_LEGACY;
-
- if (mode->clock > 200000) /* range limits??? */
- pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
- else
- pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
-
- if (radeon_crtc->crtc_id == 0)
- pll = &dev_priv->mode_info.p1pll;
- else
- pll = &dev_priv->mode_info.p2pll;
-
- radeon_compute_pll(pll, mode->clock, &sclock,
- &fb_div, &ref_div, &post_div, pll_flags);
-
- if (radeon_is_avivo(dev_priv)) {
- uint32_t ss_cntl;
-
- if (radeon_crtc->crtc_id == 0) {
- ss_cntl = RADEON_READ(AVIVO_P1PLL_INT_SS_CNTL);
- RADEON_WRITE(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl & ~1);
- } else {
- ss_cntl = RADEON_READ(AVIVO_P2PLL_INT_SS_CNTL);
- RADEON_WRITE(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl & ~1);
- }
- }
-
- /* */
-
- atom_parse_cmd_header(dev_priv->mode_info.atom_context, index, &frev, &crev);
-
- switch(frev) {
- case 1:
- switch(crev) {
- case 1:
- case 2:
- spc2_ptr = (PIXEL_CLOCK_PARAMETERS_V2*)&spc_param.sPCLKInput;
- spc2_ptr->usPixelClock = cpu_to_le16(sclock);
- spc2_ptr->usRefDiv = cpu_to_le16(ref_div);
- spc2_ptr->usFbDiv = cpu_to_le16(fb_div);
- spc2_ptr->ucPostDiv = post_div;
- spc2_ptr->ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
- spc2_ptr->ucCRTC = radeon_crtc->crtc_id;
- spc2_ptr->ucRefDivSrc = 1;
- break;
- case 3:
- spc3_ptr = (PIXEL_CLOCK_PARAMETERS_V3*)&spc_param.sPCLKInput;
- spc3_ptr->usPixelClock = cpu_to_le16(sclock);
- spc3_ptr->usRefDiv = cpu_to_le16(ref_div);
- spc3_ptr->usFbDiv = cpu_to_le16(fb_div);
- spc3_ptr->ucPostDiv = post_div;
- spc3_ptr->ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
- spc3_ptr->ucMiscInfo = (radeon_crtc->crtc_id << 2);
-
- /* TODO insert output encoder object stuff herre for r600 */
- break;
- default:
- DRM_ERROR("Unknown table version %d %d\n", frev, crev);
- return;
- }
- break;
- default:
- DRM_ERROR("Unknown table version %d %d\n", frev, crev);
- return;
- }
-
- printk("executing set pll\n");
- atom_execute_table(dev_priv->mode_info.atom_context, index, (uint32_t *)&spc_param);
-}
-
-void atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y)
-{
- struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct drm_radeon_private *dev_priv = dev->dev_private;
- struct radeon_framebuffer *radeon_fb;
- struct drm_gem_object *obj;
- struct drm_radeon_gem_object *obj_priv;
- uint32_t fb_location, fb_format, fb_pitch_pixels;
-
- if (!crtc->fb)
- return;
-
- radeon_fb = to_radeon_framebuffer(crtc->fb);
-
- obj = radeon_fb->obj;
- obj_priv = obj->driver_private;
-
- fb_location = obj_priv->bo->offset + dev_priv->fb_location;
-
- switch(crtc->fb->bits_per_pixel) {
- case 15:
- fb_format = AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
- break;
- case 16:
- fb_format = AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
- break;
- case 24:
- case 32:
- fb_format = AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
- break;
- default:
- DRM_ERROR("Unsupported screen depth %d\n", crtc->fb->bits_per_pixel);
- return;
- }
-
- /* TODO tiling */
- if (radeon_crtc->crtc_id == 0)
- RADEON_WRITE(AVIVO_D1VGA_CONTROL, 0);
- else
- RADEON_WRITE(AVIVO_D2VGA_CONTROL, 0);
-
- RADEON_WRITE(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, fb_location);
- RADEON_WRITE(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, fb_location);
- RADEON_WRITE(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
-
- RADEON_WRITE(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
- RADEON_WRITE(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
- RADEON_WRITE(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, x);
- RADEON_WRITE(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, y);
- RADEON_WRITE(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, x + crtc->mode.hdisplay);
- RADEON_WRITE(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, y + crtc->mode.vdisplay);
-
- fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
- RADEON_WRITE(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
- RADEON_WRITE(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
-
- RADEON_WRITE(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
- crtc->mode.vdisplay);
- RADEON_WRITE(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, (x << 16) | y);
- RADEON_WRITE(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
- (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
-
- if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
- RADEON_WRITE(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
- AVIVO_D1MODE_INTERLEAVE_EN);
- else
- RADEON_WRITE(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
- 0);
-}
-
-void atombios_crtc_mode_set(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode,
- int x, int y)
-{
- struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
- struct drm_device *dev = crtc->dev;
- struct drm_radeon_private *dev_priv = dev->dev_private;
- struct drm_encoder *encoder;
- SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION crtc_timing;
-
- /* TODO color tiling */
- memset(&crtc_timing, 0, sizeof(crtc_timing));
-
- list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
-
-
-
- }
-
- crtc_timing.ucCRTC = radeon_crtc->crtc_id;
- crtc_timing.usH_Total = adjusted_mode->crtc_htotal;
- crtc_timing.usH_Disp = adjusted_mode->crtc_hdisplay;
- crtc_timing.usH_SyncStart = adjusted_mode->crtc_hsync_start;
- crtc_timing.usH_SyncWidth = adjusted_mode->crtc_hsync_end - adjusted_mode->crtc_hsync_start;
-
- crtc_timing.usV_Total = adjusted_mode->crtc_vtotal;
- crtc_timing.usV_Disp = adjusted_mode->crtc_vdisplay;
- crtc_timing.usV_SyncStart = adjusted_mode->crtc_vsync_start;
- crtc_timing.usV_SyncWidth = adjusted_mode->crtc_vsync_end - adjusted_mode->crtc_vsync_start;
-
- if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
- crtc_timing.susModeMiscInfo.usAccess |= ATOM_VSYNC_POLARITY;
-
- if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
- crtc_timing.susModeMiscInfo.usAccess |= ATOM_HSYNC_POLARITY;
-
- if (adjusted_mode->flags & DRM_MODE_FLAG_CSYNC)
- crtc_timing.susModeMiscInfo.usAccess |= ATOM_COMPOSITESYNC;
-
- if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
- crtc_timing.susModeMiscInfo.usAccess |= ATOM_INTERLACE;
-
- if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
- crtc_timing.susModeMiscInfo.usAccess |= ATOM_DOUBLE_CLOCK_MODE;
-
- atombios_crtc_set_pll(crtc, adjusted_mode);
- atombios_crtc_set_timing(crtc, &crtc_timing);
-
- if (radeon_is_avivo(dev_priv))
- atombios_crtc_set_base(crtc, x, y);
- else {
- if (radeon_crtc->crtc_id == 0) {
- SET_CRTC_USING_DTD_TIMING_PARAMETERS crtc_dtd_timing;
- memset(&crtc_dtd_timing, 0, sizeof(crtc_dtd_timing));
-
- /* setup FP shadow regs on R4xx */
- crtc_dtd_timing.ucCRTC = radeon_crtc->crtc_id;
- crtc_dtd_timing.usH_Size = adjusted_mode->crtc_hdisplay;
- crtc_dtd_timing.usV_Size = adjusted_mode->crtc_vdisplay;
- crtc_dtd_timing.usH_Blanking_Time = adjusted_mode->crtc_hblank_end - adjusted_mode->crtc_hdisplay;
- crtc_dtd_timing.usV_Blanking_Time = adjusted_mode->crtc_vblank_end - adjusted_mode->crtc_vdisplay;
- crtc_dtd_timing.usH_SyncOffset = adjusted_mode->crtc_hsync_start - adjusted_mode->crtc_hdisplay;
- crtc_dtd_timing.usV_SyncOffset = adjusted_mode->crtc_vsync_start - adjusted_mode->crtc_vdisplay;
- crtc_dtd_timing.usH_SyncWidth = adjusted_mode->crtc_hsync_end - adjusted_mode->crtc_hsync_start;
- crtc_dtd_timing.usV_SyncWidth = adjusted_mode->crtc_vsync_end - adjusted_mode->crtc_vsync_start;
- //crtc_dtd_timing.ucH_Border = adjusted_mode->crtc_hborder;
- //crtc_dtd_timing.ucV_Border = adjusted_mode->crtc_vborder;
-
- if (adjusted_mode->flags & DRM_MODE_FLAG_NVSYNC)
- crtc_dtd_timing.susModeMiscInfo.usAccess |= ATOM_VSYNC_POLARITY;
-
- if (adjusted_mode->flags & DRM_MODE_FLAG_NHSYNC)
- crtc_dtd_timing.susModeMiscInfo.usAccess |= ATOM_HSYNC_POLARITY;
-
- if (adjusted_mode->flags & DRM_MODE_FLAG_CSYNC)
- crtc_dtd_timing.susModeMiscInfo.usAccess |= ATOM_COMPOSITESYNC;
-
- if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
- crtc_dtd_timing.susModeMiscInfo.usAccess |= ATOM_INTERLACE;
-
- if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
- crtc_dtd_timing.susModeMiscInfo.usAccess |= ATOM_DOUBLE_CLOCK_MODE;
-
- atombios_set_crtc_dtd_timing(crtc, &crtc_dtd_timing);
- }
- radeon_crtc_set_base(crtc, x, y);
- radeon_legacy_atom_set_surface(crtc);
- }
-
-}
-
-static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
- struct drm_display_mode *mode,
- struct drm_display_mode *adjusted_mode)
-{
- return true;
-}
-
-
-static void atombios_crtc_prepare(struct drm_crtc *crtc)
-{
- atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
- atombios_lock_crtc(crtc, 1);
-}
-
-static void atombios_crtc_commit(struct drm_crtc *crtc)
-{
- atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
- atombios_lock_crtc(crtc, 0);
-}
-
-static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
- .dpms = atombios_crtc_dpms,
- .mode_fixup = atombios_crtc_mode_fixup,
- .mode_set = atombios_crtc_mode_set,
- .mode_set_base = atombios_crtc_set_base,
- .prepare = atombios_crtc_prepare,
- .commit = atombios_crtc_commit,
-};
-
-void radeon_atombios_init_crtc(struct drm_device *dev,
- struct radeon_crtc *radeon_crtc)
-{
- if (radeon_crtc->crtc_id == 1)
- radeon_crtc->crtc_offset = AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
- drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
-}