diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/atombios_crtc.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/atombios_crtc.c | 695 |
1 files changed, 695 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c new file mode 100644 index 000000000000..c0080cc9bf8d --- /dev/null +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -0,0 +1,695 @@ +/* + * 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 <drm/drmP.h> +#include <drm/drm_crtc_helper.h> +#include <drm/radeon_drm.h> +#include "radeon_fixed.h" +#include "radeon.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 radeon_device *rdev = 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(rdev->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 radeon_device *rdev = 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(rdev->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 radeon_device *rdev = 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(rdev->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 radeon_device *rdev = 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(rdev->mode_info.atom_context, index, (uint32_t *)&args); +} + +void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + + switch (mode) { + case DRM_MODE_DPMS_ON: + if (ASIC_IS_DCE3(rdev)) + atombios_enable_crtc_memreq(crtc, 1); + atombios_enable_crtc(crtc, 1); + atombios_blank_crtc(crtc, 0); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + atombios_blank_crtc(crtc, 1); + atombios_enable_crtc(crtc, 0); + if (ASIC_IS_DCE3(rdev)) + atombios_enable_crtc_memreq(crtc, 0); + break; + } + + if (mode != DRM_MODE_DPMS_OFF) { + radeon_crtc_load_lut(crtc); + } +} + +static void +atombios_set_crtc_dtd_timing(struct drm_crtc *crtc, + SET_CRTC_USING_DTD_TIMING_PARAMETERS * crtc_param) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = 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(rdev->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 drm_device *dev = crtc->dev; + struct radeon_device *rdev = 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(rdev->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 radeon_device *rdev = dev->dev_private; + struct drm_encoder *encoder = NULL; + struct radeon_encoder *radeon_encoder = NULL; + uint8_t frev, crev; + int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); + SET_PIXEL_CLOCK_PS_ALLOCATION args; + PIXEL_CLOCK_PARAMETERS *spc1_ptr; + 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, frac_fb_div = 0, post_div = 0; + struct radeon_pll *pll; + int pll_flags = 0; + + memset(&args, 0, sizeof(args)); + + if (ASIC_IS_AVIVO(rdev)) { + uint32_t ss_cntl; + + if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */ + 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); + } + } else { + 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; + + } + + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + if (encoder->crtc == crtc) { + 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; + } + radeon_encoder = to_radeon_encoder(encoder); + } + } + + if (radeon_crtc->crtc_id == 0) + pll = &rdev->clock.p1pll; + else + pll = &rdev->clock.p2pll; + + radeon_compute_pll(pll, mode->clock, &sclock, &fb_div, &frac_fb_div, + &ref_div, &post_div, pll_flags); + + atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, + &crev); + + switch (frev) { + case 1: + switch (crev) { + case 1: + spc1_ptr = (PIXEL_CLOCK_PARAMETERS *) & args.sPCLKInput; + spc1_ptr->usPixelClock = cpu_to_le16(sclock); + spc1_ptr->usRefDiv = cpu_to_le16(ref_div); + spc1_ptr->usFbDiv = cpu_to_le16(fb_div); + spc1_ptr->ucFracFbDiv = frac_fb_div; + spc1_ptr->ucPostDiv = post_div; + spc1_ptr->ucPpll = + radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1; + spc1_ptr->ucCRTC = radeon_crtc->crtc_id; + spc1_ptr->ucRefDivSrc = 1; + break; + case 2: + spc2_ptr = + (PIXEL_CLOCK_PARAMETERS_V2 *) & args.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->ucFracFbDiv = frac_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: + if (!encoder) + return; + spc3_ptr = + (PIXEL_CLOCK_PARAMETERS_V3 *) & args.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->ucFracFbDiv = frac_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); + spc3_ptr->ucTransmitterId = radeon_encoder->encoder_id; + spc3_ptr->ucEncoderMode = + atombios_get_encoder_mode(encoder); + 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(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) +{ + 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; + uint64_t fb_location; + uint32_t fb_format, fb_pitch_pixels; + + if (!crtc->fb) + return -EINVAL; + + radeon_fb = to_radeon_framebuffer(crtc->fb); + + obj = radeon_fb->obj; + obj_priv = obj->driver_private; + + if (radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &fb_location)) { + return -EINVAL; + } + + 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 -EINVAL; + } + + /* TODO tiling */ + if (radeon_crtc->crtc_id == 0) + WREG32(AVIVO_D1VGA_CONTROL, 0); + else + WREG32(AVIVO_D2VGA_CONTROL, 0); + WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, + (u32) fb_location); + WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + + radeon_crtc->crtc_offset, (u32) fb_location); + WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); + + WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); + WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); + WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0); + WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0); + WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width); + WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height); + + fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8); + WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); + WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); + + WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, + crtc->mode.vdisplay); + x &= ~3; + y &= ~1; + WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, + (x << 16) | y); + WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, + (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay); + + if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE) + WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, + AVIVO_D1MODE_INTERLEAVE_EN); + else + WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0); + + if (old_fb && old_fb != crtc->fb) { + radeon_fb = to_radeon_framebuffer(old_fb); + radeon_gem_object_unpin(radeon_fb->obj); + } + return 0; +} + +int atombios_crtc_mode_set(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, + 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 drm_encoder *encoder; + SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION crtc_timing; + + /* TODO color tiling */ + memset(&crtc_timing, 0, sizeof(crtc_timing)); + + /* TODO tv */ + 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 (ASIC_IS_AVIVO(rdev)) + atombios_crtc_set_base(crtc, x, y, old_fb); + 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, old_fb); + radeon_legacy_atom_set_surface(crtc); + } + return 0; +} + +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); +} + +void radeon_init_disp_bw_avivo(struct drm_device *dev, + struct drm_display_mode *mode1, + uint32_t pixel_bytes1, + struct drm_display_mode *mode2, + uint32_t pixel_bytes2) +{ + struct radeon_device *rdev = dev->dev_private; + fixed20_12 min_mem_eff; + fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff; + fixed20_12 sclk_ff, mclk_ff; + uint32_t dc_lb_memory_split, temp; + + min_mem_eff.full = rfixed_const_8(0); + if (rdev->disp_priority == 2) { + uint32_t mc_init_misc_lat_timer = 0; + if (rdev->family == CHIP_RV515) + mc_init_misc_lat_timer = + RREG32_MC(RV515_MC_INIT_MISC_LAT_TIMER); + else if (rdev->family == CHIP_RS690) + mc_init_misc_lat_timer = + RREG32_MC(RS690_MC_INIT_MISC_LAT_TIMER); + + mc_init_misc_lat_timer &= + ~(R300_MC_DISP1R_INIT_LAT_MASK << + R300_MC_DISP1R_INIT_LAT_SHIFT); + mc_init_misc_lat_timer &= + ~(R300_MC_DISP0R_INIT_LAT_MASK << + R300_MC_DISP0R_INIT_LAT_SHIFT); + + if (mode2) + mc_init_misc_lat_timer |= + (1 << R300_MC_DISP1R_INIT_LAT_SHIFT); + if (mode1) + mc_init_misc_lat_timer |= + (1 << R300_MC_DISP0R_INIT_LAT_SHIFT); + + if (rdev->family == CHIP_RV515) + WREG32_MC(RV515_MC_INIT_MISC_LAT_TIMER, + mc_init_misc_lat_timer); + else if (rdev->family == CHIP_RS690) + WREG32_MC(RS690_MC_INIT_MISC_LAT_TIMER, + mc_init_misc_lat_timer); + } + + /* + * determine is there is enough bw for current mode + */ + temp_ff.full = rfixed_const(100); + mclk_ff.full = rfixed_const(rdev->clock.default_mclk); + mclk_ff.full = rfixed_div(mclk_ff, temp_ff); + sclk_ff.full = rfixed_const(rdev->clock.default_sclk); + sclk_ff.full = rfixed_div(sclk_ff, temp_ff); + + temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1); + temp_ff.full = rfixed_const(temp); + mem_bw.full = rfixed_mul(mclk_ff, temp_ff); + mem_bw.full = rfixed_mul(mem_bw, min_mem_eff); + + pix_clk.full = 0; + pix_clk2.full = 0; + peak_disp_bw.full = 0; + if (mode1) { + temp_ff.full = rfixed_const(1000); + pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */ + pix_clk.full = rfixed_div(pix_clk, temp_ff); + temp_ff.full = rfixed_const(pixel_bytes1); + peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff); + } + if (mode2) { + temp_ff.full = rfixed_const(1000); + pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */ + pix_clk2.full = rfixed_div(pix_clk2, temp_ff); + temp_ff.full = rfixed_const(pixel_bytes2); + peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff); + } + + if (peak_disp_bw.full >= mem_bw.full) { + DRM_ERROR + ("You may not have enough display bandwidth for current mode\n" + "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n"); + printk("peak disp bw %d, mem_bw %d\n", + rfixed_trunc(peak_disp_bw), rfixed_trunc(mem_bw)); + } + + /* + * Line Buffer Setup + * There is a single line buffer shared by both display controllers. + * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between the display + * controllers. The paritioning can either be done manually or via one of four + * preset allocations specified in bits 1:0: + * 0 - line buffer is divided in half and shared between each display controller + * 1 - D1 gets 3/4 of the line buffer, D2 gets 1/4 + * 2 - D1 gets the whole buffer + * 3 - D1 gets 1/4 of the line buffer, D2 gets 3/4 + * Setting bit 2 of DC_LB_MEMORY_SPLIT controls switches to manual allocation mode. + * In manual allocation mode, D1 always starts at 0, D1 end/2 is specified in bits + * 14:4; D2 allocation follows D1. + */ + + /* is auto or manual better ? */ + dc_lb_memory_split = + RREG32(AVIVO_DC_LB_MEMORY_SPLIT) & ~AVIVO_DC_LB_MEMORY_SPLIT_MASK; + dc_lb_memory_split &= ~AVIVO_DC_LB_MEMORY_SPLIT_SHIFT_MODE; +#if 1 + /* auto */ + if (mode1 && mode2) { + if (mode1->hdisplay > mode2->hdisplay) { + if (mode1->hdisplay > 2560) + dc_lb_memory_split |= + AVIVO_DC_LB_MEMORY_SPLIT_D1_3Q_D2_1Q; + else + dc_lb_memory_split |= + AVIVO_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; + } else if (mode2->hdisplay > mode1->hdisplay) { + if (mode2->hdisplay > 2560) + dc_lb_memory_split |= + AVIVO_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q; + else + dc_lb_memory_split |= + AVIVO_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; + } else + dc_lb_memory_split |= + AVIVO_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; + } else if (mode1) { + dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1_ONLY; + } else if (mode2) { + dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q; + } +#else + /* manual */ + dc_lb_memory_split |= AVIVO_DC_LB_MEMORY_SPLIT_SHIFT_MODE; + dc_lb_memory_split &= + ~(AVIVO_DC_LB_DISP1_END_ADR_MASK << + AVIVO_DC_LB_DISP1_END_ADR_SHIFT); + if (mode1) { + dc_lb_memory_split |= + ((((mode1->hdisplay / 2) + 64) & AVIVO_DC_LB_DISP1_END_ADR_MASK) + << AVIVO_DC_LB_DISP1_END_ADR_SHIFT); + } else if (mode2) { + dc_lb_memory_split |= (0 << AVIVO_DC_LB_DISP1_END_ADR_SHIFT); + } +#endif + WREG32(AVIVO_DC_LB_MEMORY_SPLIT, dc_lb_memory_split); +} |
