diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 21:20:39 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-06-16 21:20:39 -0700 |
commit | 8d15b0ec32f20a57881dc073b2e8d11dea0ccceb (patch) | |
tree | 8aa3d4dfd0660807c3ce2893b35292b3b0e3bf08 /drivers/gpu/drm/radeon/radeon_display.c | |
parent | 005411c3e9147bc3b78215390e847d688dbbc163 (diff) | |
parent | cc8da5263fa743c33d6503f85113bcb70048e633 (diff) |
Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/radeon: switch to using late_initcall
radeon legacy chips: tv dac bg/dac adj updates
drm/radeon: introduce kernel modesetting for radeon hardware
drm: Add the TTM GPU memory manager subsystem.
drm: Memory fragmentation from lost alignment blocks
drm/radeon: fix mobility flags on new PCI IDs.
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
-rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 692 |
1 files changed, 692 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c new file mode 100644 index 00000000000..5452bb9d925 --- /dev/null +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -0,0 +1,692 @@ +/* + * 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.h" + +#include "atom.h" +#include <asm/div64.h> + +#include "drm_crtc_helper.h" +#include "drm_edid.h" + +static int radeon_ddc_dump(struct drm_connector *connector); + +static void avivo_crtc_load_lut(struct drm_crtc *crtc) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + int i; + + DRM_DEBUG("%d\n", radeon_crtc->crtc_id); + WREG32(AVIVO_DC_LUTA_CONTROL + radeon_crtc->crtc_offset, 0); + + WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0); + WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0); + WREG32(AVIVO_DC_LUTA_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0); + + WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff); + WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff); + WREG32(AVIVO_DC_LUTA_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff); + + WREG32(AVIVO_DC_LUT_RW_SELECT, radeon_crtc->crtc_id); + WREG32(AVIVO_DC_LUT_RW_MODE, 0); + WREG32(AVIVO_DC_LUT_WRITE_EN_MASK, 0x0000003f); + + WREG8(AVIVO_DC_LUT_RW_INDEX, 0); + for (i = 0; i < 256; i++) { + WREG32(AVIVO_DC_LUT_30_COLOR, + (radeon_crtc->lut_r[i] << 20) | + (radeon_crtc->lut_g[i] << 10) | + (radeon_crtc->lut_b[i] << 0)); + } + + WREG32(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, radeon_crtc->crtc_id); +} + +static void legacy_crtc_load_lut(struct drm_crtc *crtc) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + int i; + uint32_t dac2_cntl; + + dac2_cntl = RREG32(RADEON_DAC_CNTL2); + if (radeon_crtc->crtc_id == 0) + dac2_cntl &= (uint32_t)~RADEON_DAC2_PALETTE_ACC_CTL; + else + dac2_cntl |= RADEON_DAC2_PALETTE_ACC_CTL; + WREG32(RADEON_DAC_CNTL2, dac2_cntl); + + WREG8(RADEON_PALETTE_INDEX, 0); + for (i = 0; i < 256; i++) { + WREG32(RADEON_PALETTE_30_DATA, + (radeon_crtc->lut_r[i] << 20) | + (radeon_crtc->lut_g[i] << 10) | + (radeon_crtc->lut_b[i] << 0)); + } +} + +void radeon_crtc_load_lut(struct drm_crtc *crtc) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + + if (!crtc->enabled) + return; + + if (ASIC_IS_AVIVO(rdev)) + avivo_crtc_load_lut(crtc); + else + legacy_crtc_load_lut(crtc); +} + +/** Sets the color ramps on behalf of RandR */ +void radeon_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, + u16 blue, int regno) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + + if (regno == 0) + DRM_DEBUG("gamma set %d\n", radeon_crtc->crtc_id); + radeon_crtc->lut_r[regno] = red >> 6; + radeon_crtc->lut_g[regno] = green >> 6; + radeon_crtc->lut_b[regno] = blue >> 6; +} + +static void radeon_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, + u16 *blue, uint32_t size) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + int i, j; + + if (size != 256) { + return; + } + if (crtc->fb == NULL) { + return; + } + + if (crtc->fb->depth == 16) { + for (i = 0; i < 64; i++) { + if (i <= 31) { + for (j = 0; j < 8; j++) { + radeon_crtc->lut_r[i * 8 + j] = red[i] >> 6; + radeon_crtc->lut_b[i * 8 + j] = blue[i] >> 6; + } + } + for (j = 0; j < 4; j++) + radeon_crtc->lut_g[i * 4 + j] = green[i] >> 6; + } + } else { + for (i = 0; i < 256; i++) { + radeon_crtc->lut_r[i] = red[i] >> 6; + radeon_crtc->lut_g[i] = green[i] >> 6; + radeon_crtc->lut_b[i] = blue[i] >> 6; + } + } + + radeon_crtc_load_lut(crtc); +} + +static void radeon_crtc_destroy(struct drm_crtc *crtc) +{ + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + + if (radeon_crtc->mode_set.mode) { + drm_mode_destroy(crtc->dev, radeon_crtc->mode_set.mode); + } + drm_crtc_cleanup(crtc); + kfree(radeon_crtc); +} + +static const struct drm_crtc_funcs radeon_crtc_funcs = { + .cursor_set = radeon_crtc_cursor_set, + .cursor_move = radeon_crtc_cursor_move, + .gamma_set = radeon_crtc_gamma_set, + .set_config = drm_crtc_helper_set_config, + .destroy = radeon_crtc_destroy, +}; + +static void radeon_crtc_init(struct drm_device *dev, int index) +{ + struct radeon_device *rdev = dev->dev_private; + struct radeon_crtc *radeon_crtc; + int i; + + radeon_crtc = kzalloc(sizeof(struct radeon_crtc) + (RADEONFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL); + if (radeon_crtc == NULL) + return; + + drm_crtc_init(dev, &radeon_crtc->base, &radeon_crtc_funcs); + + drm_mode_crtc_set_gamma_size(&radeon_crtc->base, 256); + radeon_crtc->crtc_id = index; + + radeon_crtc->mode_set.crtc = &radeon_crtc->base; + radeon_crtc->mode_set.connectors = (struct drm_connector **)(radeon_crtc + 1); + radeon_crtc->mode_set.num_connectors = 0; + + for (i = 0; i < 256; i++) { + radeon_crtc->lut_r[i] = i << 2; + radeon_crtc->lut_g[i] = i << 2; + radeon_crtc->lut_b[i] = i << 2; + } + + if (rdev->is_atom_bios && (ASIC_IS_AVIVO(rdev) || radeon_r4xx_atom)) + radeon_atombios_init_crtc(dev, radeon_crtc); + else + radeon_legacy_init_crtc(dev, radeon_crtc); +} + +static const char *encoder_names[34] = { + "NONE", + "INTERNAL_LVDS", + "INTERNAL_TMDS1", + "INTERNAL_TMDS2", + "INTERNAL_DAC1", + "INTERNAL_DAC2", + "INTERNAL_SDVOA", + "INTERNAL_SDVOB", + "SI170B", + "CH7303", + "CH7301", + "INTERNAL_DVO1", + "EXTERNAL_SDVOA", + "EXTERNAL_SDVOB", + "TITFP513", + "INTERNAL_LVTM1", + "VT1623", + "HDMI_SI1930", + "HDMI_INTERNAL", + "INTERNAL_KLDSCP_TMDS1", + "INTERNAL_KLDSCP_DVO1", + "INTERNAL_KLDSCP_DAC1", + "INTERNAL_KLDSCP_DAC2", + "SI178", + "MVPU_FPGA", + "INTERNAL_DDI", + "VT1625", + "HDMI_SI1932", + "DP_AN9801", + "DP_DP501", + "INTERNAL_UNIPHY", + "INTERNAL_KLDSCP_LVTMA", + "INTERNAL_UNIPHY1", + "INTERNAL_UNIPHY2", +}; + +static const char *connector_names[13] = { + "Unknown", + "VGA", + "DVI-I", + "DVI-D", + "DVI-A", + "Composite", + "S-video", + "LVDS", + "Component", + "DIN", + "DisplayPort", + "HDMI-A", + "HDMI-B", +}; + +static void radeon_print_display_setup(struct drm_device *dev) +{ + struct drm_connector *connector; + struct radeon_connector *radeon_connector; + struct drm_encoder *encoder; + struct radeon_encoder *radeon_encoder; + uint32_t devices; + int i = 0; + + DRM_INFO("Radeon Display Connectors\n"); + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + radeon_connector = to_radeon_connector(connector); + DRM_INFO("Connector %d:\n", i); + DRM_INFO(" %s\n", connector_names[connector->connector_type]); + if (radeon_connector->ddc_bus) + DRM_INFO(" DDC: 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n", + radeon_connector->ddc_bus->rec.mask_clk_reg, + radeon_connector->ddc_bus->rec.mask_data_reg, + radeon_connector->ddc_bus->rec.a_clk_reg, + radeon_connector->ddc_bus->rec.a_data_reg, + radeon_connector->ddc_bus->rec.put_clk_reg, + radeon_connector->ddc_bus->rec.put_data_reg, + radeon_connector->ddc_bus->rec.get_clk_reg, + radeon_connector->ddc_bus->rec.get_data_reg); + DRM_INFO(" Encoders:\n"); + list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { + radeon_encoder = to_radeon_encoder(encoder); + devices = radeon_encoder->devices & radeon_connector->devices; + if (devices) { + if (devices & ATOM_DEVICE_CRT1_SUPPORT) + DRM_INFO(" CRT1: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_CRT2_SUPPORT) + DRM_INFO(" CRT2: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_LCD1_SUPPORT) + DRM_INFO(" LCD1: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP1_SUPPORT) + DRM_INFO(" DFP1: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP2_SUPPORT) + DRM_INFO(" DFP2: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP3_SUPPORT) + DRM_INFO(" DFP3: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP4_SUPPORT) + DRM_INFO(" DFP4: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_DFP5_SUPPORT) + DRM_INFO(" DFP5: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_TV1_SUPPORT) + DRM_INFO(" TV1: %s\n", encoder_names[radeon_encoder->encoder_id]); + if (devices & ATOM_DEVICE_CV_SUPPORT) + DRM_INFO(" CV: %s\n", encoder_names[radeon_encoder->encoder_id]); + } + } + i++; + } +} + +bool radeon_setup_enc_conn(struct drm_device *dev) +{ + struct radeon_device *rdev = dev->dev_private; + struct drm_connector *drm_connector; + bool ret = false; + + if (rdev->bios) { + if (rdev->is_atom_bios) { + if (rdev->family >= CHIP_R600) + ret = radeon_get_atom_connector_info_from_object_table(dev); + else + ret = radeon_get_atom_connector_info_from_supported_devices_table(dev); + } else + ret = radeon_get_legacy_connector_info_from_bios(dev); + } else { + if (!ASIC_IS_AVIVO(rdev)) + ret = radeon_get_legacy_connector_info_from_table(dev); + } + if (ret) { + radeon_print_display_setup(dev); + list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) + radeon_ddc_dump(drm_connector); + } + + return ret; +} + +int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) +{ + struct edid *edid; + int ret = 0; + + if (!radeon_connector->ddc_bus) + return -1; + radeon_i2c_do_lock(radeon_connector, 1); + edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); + radeon_i2c_do_lock(radeon_connector, 0); + if (edid) { + /* update digital bits here */ + if (edid->digital) + radeon_connector->use_digital = 1; + else + radeon_connector->use_digital = 0; + drm_mode_connector_update_edid_property(&radeon_connector->base, edid); + ret = drm_add_edid_modes(&radeon_connector->base, edid); + kfree(edid); + return ret; + } + drm_mode_connector_update_edid_property(&radeon_connector->base, NULL); + return -1; +} + +static int radeon_ddc_dump(struct drm_connector *connector) +{ + struct edid *edid; + struct radeon_connector *radeon_connector = to_radeon_connector(connector); + int ret = 0; + + if (!radeon_connector->ddc_bus) + return -1; + radeon_i2c_do_lock(radeon_connector, 1); + edid = drm_get_edid(connector, &radeon_connector->ddc_bus->adapter); + radeon_i2c_do_lock(radeon_connector, 0); + if (edid) { + kfree(edid); + } + return ret; +} + +static inline uint32_t radeon_div(uint64_t n, uint32_t d) +{ + uint64_t mod; + + n += d / 2; + + mod = do_div(n, d); + return n; +} + +void radeon_compute_pll(struct radeon_pll *pll, + uint64_t freq, + uint32_t *dot_clock_p, + uint32_t *fb_div_p, + uint32_t *frac_fb_div_p, + uint32_t *ref_div_p, + uint32_t *post_div_p, + int flags) +{ + uint32_t min_ref_div = pll->min_ref_div; + uint32_t max_ref_div = pll->max_ref_div; + uint32_t min_fractional_feed_div = 0; + uint32_t max_fractional_feed_div = 0; + uint32_t best_vco = pll->best_vco; + uint32_t best_post_div = 1; + uint32_t best_ref_div = 1; + uint32_t best_feedback_div = 1; + uint32_t best_frac_feedback_div = 0; + uint32_t best_freq = -1; + uint32_t best_error = 0xffffffff; + uint32_t best_vco_diff = 1; + uint32_t post_div; + + DRM_DEBUG("PLL freq %llu %u %u\n", freq, pll->min_ref_div, pll->max_ref_div); + freq = freq * 1000; + + if (flags & RADEON_PLL_USE_REF_DIV) + min_ref_div = max_ref_div = pll->reference_div; + else { + while (min_ref_div < max_ref_div-1) { + uint32_t mid = (min_ref_div + max_ref_div) / 2; + uint32_t pll_in = pll->reference_freq / mid; + if (pll_in < pll->pll_in_min) + max_ref_div = mid; + else if (pll_in > pll->pll_in_max) + min_ref_div = mid; + else + break; + } + } + + if (flags & RADEON_PLL_USE_FRAC_FB_DIV) { + min_fractional_feed_div = pll->min_frac_feedback_div; + max_fractional_feed_div = pll->max_frac_feedback_div; + } + + for (post_div = pll->min_post_div; post_div <= pll->max_post_div; ++post_div) { + uint32_t ref_div; + + if ((flags & RADEON_PLL_NO_ODD_POST_DIV) && (post_div & 1)) + continue; + + /* legacy radeons only have a few post_divs */ + if (flags & RADEON_PLL_LEGACY) { + if ((post_div == 5) || + (post_div == 7) || + (post_div == 9) || + (post_div == 10) || + (post_div == 11) || + (post_div == 13) || + (post_div == 14) || + (post_div == 15)) + continue; + } + + for (ref_div = min_ref_div; ref_div <= max_ref_div; ++ref_div) { + uint32_t feedback_div, current_freq = 0, error, vco_diff; + uint32_t pll_in = pll->reference_freq / ref_div; + uint32_t min_feed_div = pll->min_feedback_div; + uint32_t max_feed_div = pll->max_feedback_div + 1; + + if (pll_in < pll->pll_in_min || pll_in > pll->pll_in_max) + continue; + + while (min_feed_div < max_feed_div) { + uint32_t vco; + uint32_t min_frac_feed_div = min_fractional_feed_div; + uint32_t max_frac_feed_div = max_fractional_feed_div + 1; + uint32_t frac_feedback_div; + uint64_t tmp; + + feedback_div = (min_feed_div + max_feed_div) / 2; + + tmp = (uint64_t)pll->reference_freq * feedback_div; + vco = radeon_div(tmp, ref_div); + + if (vco < pll->pll_out_min) { + min_feed_div = feedback_div + 1; + continue; + } else if (vco > pll->pll_out_max) { + max_feed_div = feedback_div; + continue; + } + + while (min_frac_feed_div < max_frac_feed_div) { + frac_feedback_div = (min_frac_feed_div + max_frac_feed_div) / 2; + tmp = (uint64_t)pll->reference_freq * 10000 * feedback_div; + tmp += (uint64_t)pll->reference_freq * 1000 * frac_feedback_div; + current_freq = radeon_div(tmp, ref_div * post_div); + + error = abs(current_freq - freq); + vco_diff = abs(vco - best_vco); + + if ((best_vco == 0 && error < best_error) || + (best_vco != 0 && + (error < best_error - 100 || + (abs(error - best_error) < 100 && vco_diff < best_vco_diff)))) { + best_post_div = post_div; + best_ref_div = ref_div; + best_feedback_div = feedback_div; + best_frac_feedback_div = frac_feedback_div; + best_freq = current_freq; + best_error = error; + best_vco_diff = vco_diff; + } else if (current_freq == freq) { + if (best_freq == -1) { + best_post_div = post_div; + best_ref_div = ref_div; + best_feedback_div = feedback_div; + best_frac_feedback_div = frac_feedback_div; + best_freq = current_freq; + best_error = error; + best_vco_diff = vco_diff; + } else if (((flags & RADEON_PLL_PREFER_LOW_REF_DIV) && (ref_div < best_ref_div)) || + ((flags & RADEON_PLL_PREFER_HIGH_REF_DIV) && (ref_div > best_ref_div)) || + ((flags & RADEON_PLL_PREFER_LOW_FB_DIV) && (feedback_div < best_feedback_div)) || + ((flags & RADEON_PLL_PREFER_HIGH_FB_DIV) && (feedback_div > best_feedback_div)) || + ((flags & RADEON_PLL_PREFER_LOW_POST_DIV) && (post_div < best_post_div)) || + ((flags & RADEON_PLL_PREFER_HIGH_POST_DIV) && (post_div > best_post_div))) { + best_post_div = post_div; + best_ref_div = ref_div; + best_feedback_div = feedback_div; + best_frac_feedback_div = frac_feedback_div; + best_freq = current_freq; + best_error = error; + best_vco_diff = vco_diff; + } + } + if (current_freq < freq) + min_frac_feed_div = frac_feedback_div + 1; + else + max_frac_feed_div = frac_feedback_div; + } + if (current_freq < freq) + min_feed_div = feedback_div + 1; + else + max_feed_div = feedback_div; + } + } + } + + *dot_clock_p = best_freq / 10000; + *fb_div_p = best_feedback_div; + *frac_fb_div_p = best_frac_feedback_div; + *ref_div_p = best_ref_div; + *post_div_p = best_post_div; +} + +static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb) +{ + struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb); + struct drm_device *dev = fb->dev; + + if (fb->fbdev) + radeonfb_remove(dev, fb); + + if (radeon_fb->obj) { + radeon_gem_object_unpin(radeon_fb->obj); + mutex_lock(&dev->struct_mutex); + drm_gem_object_unreference(radeon_fb->obj); + mutex_unlock(&dev->struct_mutex); + } + drm_framebuffer_cleanup(fb); + kfree(radeon_fb); +} + +static int radeon_user_framebuffer_create_handle(struct drm_framebuffer *fb, + struct drm_file *file_priv, + unsigned int *handle) +{ + struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb); + + return drm_gem_handle_create(file_priv, radeon_fb->obj, handle); +} + +static const struct drm_framebuffer_funcs radeon_fb_funcs = { + .destroy = radeon_user_framebuffer_destroy, + .create_handle = radeon_user_framebuffer_create_handle, +}; + +struct drm_framebuffer * +radeon_framebuffer_create(struct drm_device *dev, + struct drm_mode_fb_cmd *mode_cmd, + struct drm_gem_object *obj) +{ + struct radeon_framebuffer *radeon_fb; + + radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL); + if (radeon_fb == NULL) { + return NULL; + } + drm_framebuffer_init(dev, &radeon_fb->base, &radeon_fb_funcs); + drm_helper_mode_fill_fb_struct(&radeon_fb->base, mode_cmd); + radeon_fb->obj = obj; + return &radeon_fb->base; +} + +static struct drm_framebuffer * +radeon_user_framebuffer_create(struct drm_device *dev, + struct drm_file *file_priv, + struct drm_mode_fb_cmd *mode_cmd) +{ + struct drm_gem_object *obj; + + obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle); + + return radeon_framebuffer_create(dev, mode_cmd, obj); +} + +static const struct drm_mode_config_funcs radeon_mode_funcs = { + .fb_create = radeon_user_framebuffer_create, + .fb_changed = radeonfb_probe, +}; + +int radeon_modeset_init(struct radeon_device *rdev) +{ + int num_crtc = 2, i; + int ret; + + drm_mode_config_init(rdev->ddev); + rdev->mode_info.mode_config_initialized = true; + + rdev->ddev->mode_config.funcs = (void *)&radeon_mode_funcs; + + if (ASIC_IS_AVIVO(rdev)) { + rdev->ddev->mode_config.max_width = 8192; + rdev->ddev->mode_config.max_height = 8192; + } else { + rdev->ddev->mode_config.max_width = 4096; + rdev->ddev->mode_config.max_height = 4096; + } + + rdev->ddev->mode_config.fb_base = rdev->mc.aper_base; + + /* allocate crtcs - TODO single crtc */ + for (i = 0; i < num_crtc; i++) { + radeon_crtc_init(rdev->ddev, i); + } + + /* okay we should have all the bios connectors */ + ret = radeon_setup_enc_conn(rdev->ddev); + if (!ret) { + return ret; + } + drm_helper_initial_config(rdev->ddev); + return 0; +} + +void radeon_modeset_fini(struct radeon_device *rdev) +{ + if (rdev->mode_info.mode_config_initialized) { + drm_mode_config_cleanup(rdev->ddev); + rdev->mode_info.mode_config_initialized = false; + } +} + +void radeon_init_disp_bandwidth(struct drm_device *dev) +{ + struct radeon_device *rdev = dev->dev_private; + struct drm_display_mode *modes[2]; + int pixel_bytes[2]; + struct drm_crtc *crtc; + + pixel_bytes[0] = pixel_bytes[1] = 0; + modes[0] = modes[1] = NULL; + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + + if (crtc->enabled && crtc->fb) { + modes[radeon_crtc->crtc_id] = &crtc->mode; + pixel_bytes[radeon_crtc->crtc_id] = crtc->fb->bits_per_pixel / 8; + } + } + + if (ASIC_IS_AVIVO(rdev)) { + radeon_init_disp_bw_avivo(dev, + modes[0], + pixel_bytes[0], + modes[1], + pixel_bytes[1]); + } else { + radeon_init_disp_bw_legacy(dev, + modes[0], + pixel_bytes[0], + modes[1], + pixel_bytes[1]); + } +} |