diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_display.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_display.c | 1125 |
1 files changed, 973 insertions, 152 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 1df4dc6c063..bf25061c8ac 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -23,17 +23,18 @@ * Authors: Dave Airlie * Alex Deucher */ -#include "drmP.h" -#include "radeon_drm.h" +#include <drm/drmP.h> +#include <drm/radeon_drm.h> #include "radeon.h" #include "atom.h" #include <asm/div64.h> -#include "drm_crtc_helper.h" -#include "drm_edid.h" +#include <linux/pm_runtime.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_edid.h> -static int radeon_ddc_dump(struct drm_connector *connector); +#include <linux/gcd.h> static void avivo_crtc_load_lut(struct drm_crtc *crtc) { @@ -65,10 +66,11 @@ static void avivo_crtc_load_lut(struct drm_crtc *crtc) (radeon_crtc->lut_b[i] << 0)); } - WREG32(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, radeon_crtc->crtc_id); + /* Only change bit 0 of LUT_SEL, other bits are set elsewhere */ + WREG32_P(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, radeon_crtc->crtc_id, ~1); } -static void evergreen_crtc_load_lut(struct drm_crtc *crtc) +static void dce4_crtc_load_lut(struct drm_crtc *crtc) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; @@ -98,6 +100,72 @@ static void evergreen_crtc_load_lut(struct drm_crtc *crtc) } } +static void dce5_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_KMS("%d\n", radeon_crtc->crtc_id); + + WREG32(NI_INPUT_CSC_CONTROL + radeon_crtc->crtc_offset, + (NI_INPUT_CSC_GRPH_MODE(NI_INPUT_CSC_BYPASS) | + NI_INPUT_CSC_OVL_MODE(NI_INPUT_CSC_BYPASS))); + WREG32(NI_PRESCALE_GRPH_CONTROL + radeon_crtc->crtc_offset, + NI_GRPH_PRESCALE_BYPASS); + WREG32(NI_PRESCALE_OVL_CONTROL + radeon_crtc->crtc_offset, + NI_OVL_PRESCALE_BYPASS); + WREG32(NI_INPUT_GAMMA_CONTROL + radeon_crtc->crtc_offset, + (NI_GRPH_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT) | + NI_OVL_INPUT_GAMMA_MODE(NI_INPUT_GAMMA_USE_LUT))); + + WREG32(EVERGREEN_DC_LUT_CONTROL + radeon_crtc->crtc_offset, 0); + + WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_BLUE + radeon_crtc->crtc_offset, 0); + WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_GREEN + radeon_crtc->crtc_offset, 0); + WREG32(EVERGREEN_DC_LUT_BLACK_OFFSET_RED + radeon_crtc->crtc_offset, 0); + + WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_BLUE + radeon_crtc->crtc_offset, 0xffff); + WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff); + WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff); + + WREG32(EVERGREEN_DC_LUT_RW_MODE + radeon_crtc->crtc_offset, 0); + WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK + radeon_crtc->crtc_offset, 0x00000007); + + WREG32(EVERGREEN_DC_LUT_RW_INDEX + radeon_crtc->crtc_offset, 0); + for (i = 0; i < 256; i++) { + WREG32(EVERGREEN_DC_LUT_30_COLOR + radeon_crtc->crtc_offset, + (radeon_crtc->lut_r[i] << 20) | + (radeon_crtc->lut_g[i] << 10) | + (radeon_crtc->lut_b[i] << 0)); + } + + WREG32(NI_DEGAMMA_CONTROL + radeon_crtc->crtc_offset, + (NI_GRPH_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) | + NI_OVL_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) | + NI_ICON_DEGAMMA_MODE(NI_DEGAMMA_BYPASS) | + NI_CURSOR_DEGAMMA_MODE(NI_DEGAMMA_BYPASS))); + WREG32(NI_GAMUT_REMAP_CONTROL + radeon_crtc->crtc_offset, + (NI_GRPH_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS) | + NI_OVL_GAMUT_REMAP_MODE(NI_GAMUT_REMAP_BYPASS))); + WREG32(NI_REGAMMA_CONTROL + radeon_crtc->crtc_offset, + (NI_GRPH_REGAMMA_MODE(NI_REGAMMA_BYPASS) | + NI_OVL_REGAMMA_MODE(NI_REGAMMA_BYPASS))); + WREG32(NI_OUTPUT_CSC_CONTROL + radeon_crtc->crtc_offset, + (NI_OUTPUT_CSC_GRPH_MODE(NI_OUTPUT_CSC_BYPASS) | + NI_OUTPUT_CSC_OVL_MODE(NI_OUTPUT_CSC_BYPASS))); + /* XXX match this to the depth of the crtc fmt block, move to modeset? */ + WREG32(0x6940 + radeon_crtc->crtc_offset, 0); + if (ASIC_IS_DCE8(rdev)) { + /* XXX this only needs to be programmed once per crtc at startup, + * not sure where the best place for it is + */ + WREG32(CIK_ALPHA_CONTROL + radeon_crtc->crtc_offset, + CIK_CURSOR_ALPHA_BLND_ENA); + } +} + static void legacy_crtc_load_lut(struct drm_crtc *crtc) { struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); @@ -130,8 +198,10 @@ void radeon_crtc_load_lut(struct drm_crtc *crtc) if (!crtc->enabled) return; - if (ASIC_IS_DCE4(rdev)) - evergreen_crtc_load_lut(crtc); + if (ASIC_IS_DCE5(rdev)) + dce5_crtc_load_lut(crtc); + else if (ASIC_IS_DCE4(rdev)) + dce4_crtc_load_lut(crtc); else if (ASIC_IS_AVIVO(rdev)) avivo_crtc_load_lut(crtc); else @@ -180,15 +250,379 @@ static void radeon_crtc_destroy(struct drm_crtc *crtc) struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); drm_crtc_cleanup(crtc); + destroy_workqueue(radeon_crtc->flip_queue); kfree(radeon_crtc); } +/** + * radeon_unpin_work_func - unpin old buffer object + * + * @__work - kernel work item + * + * Unpin the old frame buffer object outside of the interrupt handler + */ +static void radeon_unpin_work_func(struct work_struct *__work) +{ + struct radeon_flip_work *work = + container_of(__work, struct radeon_flip_work, unpin_work); + int r; + + /* unpin of the old buffer */ + r = radeon_bo_reserve(work->old_rbo, false); + if (likely(r == 0)) { + r = radeon_bo_unpin(work->old_rbo); + if (unlikely(r != 0)) { + DRM_ERROR("failed to unpin buffer after flip\n"); + } + radeon_bo_unreserve(work->old_rbo); + } else + DRM_ERROR("failed to reserve buffer after flip\n"); + + drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); + kfree(work); +} + +void radeon_crtc_handle_vblank(struct radeon_device *rdev, int crtc_id) +{ + struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; + unsigned long flags; + u32 update_pending; + int vpos, hpos; + + /* can happen during initialization */ + if (radeon_crtc == NULL) + return; + + spin_lock_irqsave(&rdev->ddev->event_lock, flags); + if (radeon_crtc->flip_status != RADEON_FLIP_SUBMITTED) { + DRM_DEBUG_DRIVER("radeon_crtc->flip_status = %d != " + "RADEON_FLIP_SUBMITTED(%d)\n", + radeon_crtc->flip_status, + RADEON_FLIP_SUBMITTED); + spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); + return; + } + + update_pending = radeon_page_flip_pending(rdev, crtc_id); + + /* Has the pageflip already completed in crtc, or is it certain + * to complete in this vblank? + */ + if (update_pending && + (DRM_SCANOUTPOS_VALID & radeon_get_crtc_scanoutpos(rdev->ddev, crtc_id, 0, + &vpos, &hpos, NULL, NULL)) && + ((vpos >= (99 * rdev->mode_info.crtcs[crtc_id]->base.hwmode.crtc_vdisplay)/100) || + (vpos < 0 && !ASIC_IS_AVIVO(rdev)))) { + /* crtc didn't flip in this target vblank interval, + * but flip is pending in crtc. Based on the current + * scanout position we know that the current frame is + * (nearly) complete and the flip will (likely) + * complete before the start of the next frame. + */ + update_pending = 0; + } + spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); + if (!update_pending) + radeon_crtc_handle_flip(rdev, crtc_id); +} + +/** + * radeon_crtc_handle_flip - page flip completed + * + * @rdev: radeon device pointer + * @crtc_id: crtc number this event is for + * + * Called when we are sure that a page flip for this crtc is completed. + */ +void radeon_crtc_handle_flip(struct radeon_device *rdev, int crtc_id) +{ + struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id]; + struct radeon_flip_work *work; + unsigned long flags; + + /* this can happen at init */ + if (radeon_crtc == NULL) + return; + + spin_lock_irqsave(&rdev->ddev->event_lock, flags); + work = radeon_crtc->flip_work; + if (radeon_crtc->flip_status != RADEON_FLIP_SUBMITTED) { + DRM_DEBUG_DRIVER("radeon_crtc->flip_status = %d != " + "RADEON_FLIP_SUBMITTED(%d)\n", + radeon_crtc->flip_status, + RADEON_FLIP_SUBMITTED); + spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); + return; + } + + /* Pageflip completed. Clean up. */ + radeon_crtc->flip_status = RADEON_FLIP_NONE; + radeon_crtc->flip_work = NULL; + + /* wakeup userspace */ + if (work->event) + drm_send_vblank_event(rdev->ddev, crtc_id, work->event); + + spin_unlock_irqrestore(&rdev->ddev->event_lock, flags); + + drm_vblank_put(rdev->ddev, radeon_crtc->crtc_id); + radeon_irq_kms_pflip_irq_put(rdev, work->crtc_id); + queue_work(radeon_crtc->flip_queue, &work->unpin_work); +} + +/** + * radeon_flip_work_func - page flip framebuffer + * + * @work - kernel work item + * + * Wait for the buffer object to become idle and do the actual page flip + */ +static void radeon_flip_work_func(struct work_struct *__work) +{ + struct radeon_flip_work *work = + container_of(__work, struct radeon_flip_work, flip_work); + struct radeon_device *rdev = work->rdev; + struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[work->crtc_id]; + + struct drm_crtc *crtc = &radeon_crtc->base; + unsigned long flags; + int r; + + down_read(&rdev->exclusive_lock); + if (work->fence) { + r = radeon_fence_wait(work->fence, false); + if (r == -EDEADLK) { + up_read(&rdev->exclusive_lock); + r = radeon_gpu_reset(rdev); + down_read(&rdev->exclusive_lock); + } + if (r) + DRM_ERROR("failed to wait on page flip fence (%d)!\n", r); + + /* We continue with the page flip even if we failed to wait on + * the fence, otherwise the DRM core and userspace will be + * confused about which BO the CRTC is scanning out + */ + + radeon_fence_unref(&work->fence); + } + + /* We borrow the event spin lock for protecting flip_status */ + spin_lock_irqsave(&crtc->dev->event_lock, flags); + + /* set the proper interrupt */ + radeon_irq_kms_pflip_irq_get(rdev, radeon_crtc->crtc_id); + + /* do the flip (mmio) */ + radeon_page_flip(rdev, radeon_crtc->crtc_id, work->base); + + radeon_crtc->flip_status = RADEON_FLIP_SUBMITTED; + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + up_read(&rdev->exclusive_lock); +} + +static int radeon_crtc_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags) +{ + struct drm_device *dev = crtc->dev; + struct radeon_device *rdev = dev->dev_private; + struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); + struct radeon_framebuffer *old_radeon_fb; + struct radeon_framebuffer *new_radeon_fb; + struct drm_gem_object *obj; + struct radeon_flip_work *work; + struct radeon_bo *new_rbo; + uint32_t tiling_flags, pitch_pixels; + uint64_t base; + unsigned long flags; + int r; + + work = kzalloc(sizeof *work, GFP_KERNEL); + if (work == NULL) + return -ENOMEM; + + INIT_WORK(&work->flip_work, radeon_flip_work_func); + INIT_WORK(&work->unpin_work, radeon_unpin_work_func); + + work->rdev = rdev; + work->crtc_id = radeon_crtc->crtc_id; + work->event = event; + + /* schedule unpin of the old buffer */ + old_radeon_fb = to_radeon_framebuffer(crtc->primary->fb); + obj = old_radeon_fb->obj; + + /* take a reference to the old object */ + drm_gem_object_reference(obj); + work->old_rbo = gem_to_radeon_bo(obj); + + new_radeon_fb = to_radeon_framebuffer(fb); + obj = new_radeon_fb->obj; + new_rbo = gem_to_radeon_bo(obj); + + spin_lock(&new_rbo->tbo.bdev->fence_lock); + if (new_rbo->tbo.sync_obj) + work->fence = radeon_fence_ref(new_rbo->tbo.sync_obj); + spin_unlock(&new_rbo->tbo.bdev->fence_lock); + + /* pin the new buffer */ + DRM_DEBUG_DRIVER("flip-ioctl() cur_rbo = %p, new_rbo = %p\n", + work->old_rbo, new_rbo); + + r = radeon_bo_reserve(new_rbo, false); + if (unlikely(r != 0)) { + DRM_ERROR("failed to reserve new rbo buffer before flip\n"); + goto cleanup; + } + /* Only 27 bit offset for legacy CRTC */ + r = radeon_bo_pin_restricted(new_rbo, RADEON_GEM_DOMAIN_VRAM, + ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27, &base); + if (unlikely(r != 0)) { + radeon_bo_unreserve(new_rbo); + r = -EINVAL; + DRM_ERROR("failed to pin new rbo buffer before flip\n"); + goto cleanup; + } + radeon_bo_get_tiling_flags(new_rbo, &tiling_flags, NULL); + radeon_bo_unreserve(new_rbo); + + if (!ASIC_IS_AVIVO(rdev)) { + /* crtc offset is from display base addr not FB location */ + base -= radeon_crtc->legacy_display_base_addr; + pitch_pixels = fb->pitches[0] / (fb->bits_per_pixel / 8); + + if (tiling_flags & RADEON_TILING_MACRO) { + if (ASIC_IS_R300(rdev)) { + base &= ~0x7ff; + } else { + int byteshift = fb->bits_per_pixel >> 4; + int tile_addr = (((crtc->y >> 3) * pitch_pixels + crtc->x) >> (8 - byteshift)) << 11; + base += tile_addr + ((crtc->x << byteshift) % 256) + ((crtc->y % 8) << 8); + } + } else { + int offset = crtc->y * pitch_pixels + crtc->x; + switch (fb->bits_per_pixel) { + case 8: + default: + offset *= 1; + break; + case 15: + case 16: + offset *= 2; + break; + case 24: + offset *= 3; + break; + case 32: + offset *= 4; + break; + } + base += offset; + } + base &= ~7; + } + work->base = base; + + r = drm_vblank_get(crtc->dev, radeon_crtc->crtc_id); + if (r) { + DRM_ERROR("failed to get vblank before flip\n"); + goto pflip_cleanup; + } + + /* We borrow the event spin lock for protecting flip_work */ + spin_lock_irqsave(&crtc->dev->event_lock, flags); + + if (radeon_crtc->flip_status != RADEON_FLIP_NONE) { + DRM_DEBUG_DRIVER("flip queue: crtc already busy\n"); + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + r = -EBUSY; + goto vblank_cleanup; + } + radeon_crtc->flip_status = RADEON_FLIP_PENDING; + radeon_crtc->flip_work = work; + + /* update crtc fb */ + crtc->primary->fb = fb; + + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + + queue_work(radeon_crtc->flip_queue, &work->flip_work); + return 0; + +vblank_cleanup: + drm_vblank_put(crtc->dev, radeon_crtc->crtc_id); + +pflip_cleanup: + if (unlikely(radeon_bo_reserve(new_rbo, false) != 0)) { + DRM_ERROR("failed to reserve new rbo in error path\n"); + goto cleanup; + } + if (unlikely(radeon_bo_unpin(new_rbo) != 0)) { + DRM_ERROR("failed to unpin new rbo in error path\n"); + } + radeon_bo_unreserve(new_rbo); + +cleanup: + drm_gem_object_unreference_unlocked(&work->old_rbo->gem_base); + radeon_fence_unref(&work->fence); + kfree(work); + + return r; +} + +static int +radeon_crtc_set_config(struct drm_mode_set *set) +{ + struct drm_device *dev; + struct radeon_device *rdev; + struct drm_crtc *crtc; + bool active = false; + int ret; + + if (!set || !set->crtc) + return -EINVAL; + + dev = set->crtc->dev; + + ret = pm_runtime_get_sync(dev->dev); + if (ret < 0) + return ret; + + ret = drm_crtc_helper_set_config(set); + + list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) + if (crtc->enabled) + active = true; + + pm_runtime_mark_last_busy(dev->dev); + + rdev = dev->dev_private; + /* if we have active crtcs and we don't have a power ref, + take the current one */ + if (active && !rdev->have_disp_power_ref) { + rdev->have_disp_power_ref = true; + return ret; + } + /* if we have no active crtcs, then drop the power ref + we got before */ + if (!active && rdev->have_disp_power_ref) { + pm_runtime_put_autosuspend(dev->dev); + rdev->have_disp_power_ref = false; + } + + /* drop the power reference we got coming in here */ + pm_runtime_put_autosuspend(dev->dev); + return ret; +} 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, + .set_config = radeon_crtc_set_config, .destroy = radeon_crtc_destroy, + .page_flip = radeon_crtc_page_flip, }; static void radeon_crtc_init(struct drm_device *dev, int index) @@ -205,8 +639,19 @@ static void radeon_crtc_init(struct drm_device *dev, int index) drm_mode_crtc_set_gamma_size(&radeon_crtc->base, 256); radeon_crtc->crtc_id = index; + radeon_crtc->flip_queue = create_singlethread_workqueue("radeon-crtc"); rdev->mode_info.crtcs[index] = radeon_crtc; + if (rdev->family >= CHIP_BONAIRE) { + radeon_crtc->max_cursor_width = CIK_CURSOR_WIDTH; + radeon_crtc->max_cursor_height = CIK_CURSOR_HEIGHT; + } else { + radeon_crtc->max_cursor_width = CURSOR_WIDTH; + radeon_crtc->max_cursor_height = CURSOR_HEIGHT; + } + dev->mode_config.cursor_width = radeon_crtc->max_cursor_width; + dev->mode_config.cursor_height = radeon_crtc->max_cursor_height; + #if 0 radeon_crtc->mode_set.crtc = &radeon_crtc->base; radeon_crtc->mode_set.connectors = (struct drm_connector **)(radeon_crtc + 1); @@ -225,7 +670,7 @@ static void radeon_crtc_init(struct drm_device *dev, int index) radeon_legacy_init_crtc(dev, radeon_crtc); } -static const char *encoder_names[34] = { +static const char *encoder_names[38] = { "NONE", "INTERNAL_LVDS", "INTERNAL_TMDS1", @@ -260,24 +705,10 @@ static const char *encoder_names[34] = { "INTERNAL_KLDSCP_LVTMA", "INTERNAL_UNIPHY1", "INTERNAL_UNIPHY2", -}; - -static const char *connector_names[15] = { - "Unknown", - "VGA", - "DVI-I", - "DVI-D", - "DVI-A", - "Composite", - "S-video", - "LVDS", - "Component", - "DIN", - "DisplayPort", - "HDMI-A", - "HDMI-B", - "TV", - "eDP", + "NUTMEG", + "TRAVIS", + "INTERNAL_VCE", + "INTERNAL_UNIPHY3", }; static const char *hpd_names[6] = { @@ -302,7 +733,7 @@ static void radeon_print_display_setup(struct drm_device *dev) 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]); + DRM_INFO(" %s\n", connector->name); if (radeon_connector->hpd.hpd != RADEON_HPD_NONE) DRM_INFO(" %s\n", hpd_names[radeon_connector->hpd.hpd]); if (radeon_connector->ddc_bus) { @@ -368,7 +799,6 @@ static void radeon_print_display_setup(struct drm_device *dev) static 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) { @@ -388,8 +818,6 @@ static bool radeon_setup_enc_conn(struct drm_device *dev) if (ret) { radeon_setup_encoder_clones(dev); radeon_print_display_setup(dev); - list_for_each_entry(drm_connector, &dev->mode_config.connector_list, head) - radeon_ddc_dump(drm_connector); } return ret; @@ -401,53 +829,282 @@ int radeon_ddc_get_modes(struct radeon_connector *radeon_connector) struct radeon_device *rdev = dev->dev_private; int ret = 0; + /* don't leak the edid if we already fetched it in detect() */ + if (radeon_connector->edid) + goto got_edid; + /* on hw with routers, select right port */ if (radeon_connector->router.ddc_valid) radeon_router_select_ddc_port(radeon_connector); - if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || - (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) { + if (radeon_connector_encoder_get_dp_bridge_encoder_id(&radeon_connector->base) != + ENCODER_OBJECT_ID_NONE) { + if (radeon_connector->ddc_bus->has_aux) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &radeon_connector->ddc_bus->aux.ddc); + } else if ((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_DisplayPort) || + (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP)) { struct radeon_connector_atom_dig *dig = radeon_connector->con_priv; + if ((dig->dp_sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT || - dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && dig->dp_i2c_bus) - radeon_connector->edid = drm_get_edid(&radeon_connector->base, &dig->dp_i2c_bus->adapter); + dig->dp_sink_type == CONNECTOR_OBJECT_ID_eDP) && + radeon_connector->ddc_bus->has_aux) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &radeon_connector->ddc_bus->aux.ddc); + else if (radeon_connector->ddc_bus && !radeon_connector->edid) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &radeon_connector->ddc_bus->adapter); + } else { + if (radeon_connector->ddc_bus && !radeon_connector->edid) + radeon_connector->edid = drm_get_edid(&radeon_connector->base, + &radeon_connector->ddc_bus->adapter); } - if (!radeon_connector->ddc_bus) - return -1; + if (!radeon_connector->edid) { - radeon_connector->edid = drm_get_edid(&radeon_connector->base, &radeon_connector->ddc_bus->adapter); + if (rdev->is_atom_bios) { + /* some laptops provide a hardcoded edid in rom for LCDs */ + if (((radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_LVDS) || + (radeon_connector->base.connector_type == DRM_MODE_CONNECTOR_eDP))) + radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); + } else + /* some servers provide a hardcoded edid in rom for KVMs */ + radeon_connector->edid = radeon_bios_get_hardcoded_edid(rdev); } - /* some servers provide a hardcoded edid in rom for KVMs */ - if (!radeon_connector->edid) - radeon_connector->edid = radeon_combios_get_hardcoded_edid(rdev); if (radeon_connector->edid) { +got_edid: drm_mode_connector_update_edid_property(&radeon_connector->base, radeon_connector->edid); ret = drm_add_edid_modes(&radeon_connector->base, radeon_connector->edid); + drm_edid_to_eld(&radeon_connector->base, radeon_connector->edid); return ret; } drm_mode_connector_update_edid_property(&radeon_connector->base, NULL); return 0; } -static int radeon_ddc_dump(struct drm_connector *connector) +/* avivo */ + +/** + * avivo_reduce_ratio - fractional number reduction + * + * @nom: nominator + * @den: denominator + * @nom_min: minimum value for nominator + * @den_min: minimum value for denominator + * + * Find the greatest common divisor and apply it on both nominator and + * denominator, but make nominator and denominator are at least as large + * as their minimum values. + */ +static void avivo_reduce_ratio(unsigned *nom, unsigned *den, + unsigned nom_min, unsigned den_min) +{ + unsigned tmp; + + /* reduce the numbers to a simpler ratio */ + tmp = gcd(*nom, *den); + *nom /= tmp; + *den /= tmp; + + /* make sure nominator is large enough */ + if (*nom < nom_min) { + tmp = DIV_ROUND_UP(nom_min, *nom); + *nom *= tmp; + *den *= tmp; + } + + /* make sure the denominator is large enough */ + if (*den < den_min) { + tmp = DIV_ROUND_UP(den_min, *den); + *nom *= tmp; + *den *= tmp; + } +} + +/** + * avivo_get_fb_ref_div - feedback and ref divider calculation + * + * @nom: nominator + * @den: denominator + * @post_div: post divider + * @fb_div_max: feedback divider maximum + * @ref_div_max: reference divider maximum + * @fb_div: resulting feedback divider + * @ref_div: resulting reference divider + * + * Calculate feedback and reference divider for a given post divider. Makes + * sure we stay within the limits. + */ +static void avivo_get_fb_ref_div(unsigned nom, unsigned den, unsigned post_div, + unsigned fb_div_max, unsigned ref_div_max, + unsigned *fb_div, unsigned *ref_div) { - struct edid *edid; - struct radeon_connector *radeon_connector = to_radeon_connector(connector); - int ret = 0; + /* limit reference * post divider to a maximum */ + ref_div_max = max(min(100 / post_div, ref_div_max), 1u); - /* on hw with routers, select right port */ - if (radeon_connector->router.ddc_valid) - radeon_router_select_ddc_port(radeon_connector); + /* get matching reference and feedback divider */ + *ref_div = min(max(DIV_ROUND_CLOSEST(den, post_div), 1u), ref_div_max); + *fb_div = DIV_ROUND_CLOSEST(nom * *ref_div * post_div, den); - if (!radeon_connector->ddc_bus) - return -1; - edid = drm_get_edid(connector, &radeon_connector->ddc_bus->adapter); - if (edid) { - kfree(edid); + /* limit fb divider to its maximum */ + if (*fb_div > fb_div_max) { + *ref_div = DIV_ROUND_CLOSEST(*ref_div * fb_div_max, *fb_div); + *fb_div = fb_div_max; } - return ret; } +/** + * radeon_compute_pll_avivo - compute PLL paramaters + * + * @pll: information about the PLL + * @dot_clock_p: resulting pixel clock + * fb_div_p: resulting feedback divider + * frac_fb_div_p: fractional part of the feedback divider + * ref_div_p: resulting reference divider + * post_div_p: resulting reference divider + * + * Try to calculate the PLL parameters to generate the given frequency: + * dot_clock = (ref_freq * feedback_div) / (ref_div * post_div) + */ +void radeon_compute_pll_avivo(struct radeon_pll *pll, + u32 freq, + u32 *dot_clock_p, + u32 *fb_div_p, + u32 *frac_fb_div_p, + u32 *ref_div_p, + u32 *post_div_p) +{ + unsigned target_clock = pll->flags & RADEON_PLL_USE_FRAC_FB_DIV ? + freq : freq / 10; + + unsigned fb_div_min, fb_div_max, fb_div; + unsigned post_div_min, post_div_max, post_div; + unsigned ref_div_min, ref_div_max, ref_div; + unsigned post_div_best, diff_best; + unsigned nom, den; + + /* determine allowed feedback divider range */ + fb_div_min = pll->min_feedback_div; + fb_div_max = pll->max_feedback_div; + + if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) { + fb_div_min *= 10; + fb_div_max *= 10; + } + + /* determine allowed ref divider range */ + if (pll->flags & RADEON_PLL_USE_REF_DIV) + ref_div_min = pll->reference_div; + else + ref_div_min = pll->min_ref_div; + + if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV && + pll->flags & RADEON_PLL_USE_REF_DIV) + ref_div_max = pll->reference_div; + else + ref_div_max = pll->max_ref_div; + + /* determine allowed post divider range */ + if (pll->flags & RADEON_PLL_USE_POST_DIV) { + post_div_min = pll->post_div; + post_div_max = pll->post_div; + } else { + unsigned vco_min, vco_max; + + if (pll->flags & RADEON_PLL_IS_LCD) { + vco_min = pll->lcd_pll_out_min; + vco_max = pll->lcd_pll_out_max; + } else { + vco_min = pll->pll_out_min; + vco_max = pll->pll_out_max; + } + + if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) { + vco_min *= 10; + vco_max *= 10; + } + + post_div_min = vco_min / target_clock; + if ((target_clock * post_div_min) < vco_min) + ++post_div_min; + if (post_div_min < pll->min_post_div) + post_div_min = pll->min_post_div; + + post_div_max = vco_max / target_clock; + if ((target_clock * post_div_max) > vco_max) + --post_div_max; + if (post_div_max > pll->max_post_div) + post_div_max = pll->max_post_div; + } + + /* represent the searched ratio as fractional number */ + nom = target_clock; + den = pll->reference_freq; + + /* reduce the numbers to a simpler ratio */ + avivo_reduce_ratio(&nom, &den, fb_div_min, post_div_min); + + /* now search for a post divider */ + if (pll->flags & RADEON_PLL_PREFER_MINM_OVER_MAXP) + post_div_best = post_div_min; + else + post_div_best = post_div_max; + diff_best = ~0; + + for (post_div = post_div_min; post_div <= post_div_max; ++post_div) { + unsigned diff; + avivo_get_fb_ref_div(nom, den, post_div, fb_div_max, + ref_div_max, &fb_div, &ref_div); + diff = abs(target_clock - (pll->reference_freq * fb_div) / + (ref_div * post_div)); + + if (diff < diff_best || (diff == diff_best && + !(pll->flags & RADEON_PLL_PREFER_MINM_OVER_MAXP))) { + + post_div_best = post_div; + diff_best = diff; + } + } + post_div = post_div_best; + + /* get the feedback and reference divider for the optimal value */ + avivo_get_fb_ref_div(nom, den, post_div, fb_div_max, ref_div_max, + &fb_div, &ref_div); + + /* reduce the numbers to a simpler ratio once more */ + /* this also makes sure that the reference divider is large enough */ + avivo_reduce_ratio(&fb_div, &ref_div, fb_div_min, ref_div_min); + + /* avoid high jitter with small fractional dividers */ + if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV && (fb_div % 10)) { + fb_div_min = max(fb_div_min, (9 - (fb_div % 10)) * 20 + 50); + if (fb_div < fb_div_min) { + unsigned tmp = DIV_ROUND_UP(fb_div_min, fb_div); + fb_div *= tmp; + ref_div *= tmp; + } + } + + /* and finally save the result */ + if (pll->flags & RADEON_PLL_USE_FRAC_FB_DIV) { + *fb_div_p = fb_div / 10; + *frac_fb_div_p = fb_div % 10; + } else { + *fb_div_p = fb_div; + *frac_fb_div_p = 0; + } + + *dot_clock_p = ((pll->reference_freq * *fb_div_p * 10) + + (pll->reference_freq * *frac_fb_div_p)) / + (ref_div * post_div * 10); + *ref_div_p = ref_div; + *post_div_p = post_div; + + DRM_DEBUG_KMS("%d - %d, pll dividers - fb: %d.%d ref: %d, post %d\n", + freq, *dot_clock_p * 10, *fb_div_p, *frac_fb_div_p, + ref_div, post_div); +} + +/* pre-avivo */ static inline uint32_t radeon_div(uint64_t n, uint32_t d) { uint64_t mod; @@ -458,13 +1115,13 @@ static inline uint32_t radeon_div(uint64_t n, uint32_t 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) +void radeon_compute_pll_legacy(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) { uint32_t min_ref_div = pll->min_ref_div; uint32_t max_ref_div = pll->max_ref_div; @@ -494,6 +1151,9 @@ void radeon_compute_pll(struct radeon_pll *pll, pll_out_max = pll->pll_out_max; } + if (pll_out_min > 64800) + pll_out_min = 64800; + if (pll->flags & RADEON_PLL_USE_REF_DIV) min_ref_div = max_ref_div = pll->reference_div; else { @@ -633,6 +1293,11 @@ void radeon_compute_pll(struct radeon_pll *pll, *frac_fb_div_p = best_frac_feedback_div; *ref_div_p = best_ref_div; *post_div_p = best_post_div; + DRM_DEBUG_KMS("%lld %d, pll dividers - fb: %d.%d ref: %d, post %d\n", + (long long)freq, + best_freq / 1000, best_feedback_div, best_frac_feedback_div, + best_ref_div, best_post_div); + } static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb) @@ -660,37 +1325,51 @@ static const struct drm_framebuffer_funcs radeon_fb_funcs = { .create_handle = radeon_user_framebuffer_create_handle, }; -void +int radeon_framebuffer_init(struct drm_device *dev, struct radeon_framebuffer *rfb, - struct drm_mode_fb_cmd *mode_cmd, + struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object *obj) { + int ret; rfb->obj = obj; - drm_framebuffer_init(dev, &rfb->base, &radeon_fb_funcs); drm_helper_mode_fill_fb_struct(&rfb->base, mode_cmd); + ret = drm_framebuffer_init(dev, &rfb->base, &radeon_fb_funcs); + if (ret) { + rfb->obj = NULL; + return ret; + } + return 0; } 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_mode_fb_cmd2 *mode_cmd) { struct drm_gem_object *obj; struct radeon_framebuffer *radeon_fb; + int ret; - obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handle); + obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); if (obj == NULL) { dev_err(&dev->pdev->dev, "No GEM object associated to handle 0x%08X, " - "can't create framebuffer\n", mode_cmd->handle); + "can't create framebuffer\n", mode_cmd->handles[0]); return ERR_PTR(-ENOENT); } radeon_fb = kzalloc(sizeof(*radeon_fb), GFP_KERNEL); - if (radeon_fb == NULL) + if (radeon_fb == NULL) { + drm_gem_object_unreference_unlocked(obj); return ERR_PTR(-ENOMEM); + } - radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj); + ret = radeon_framebuffer_init(dev, radeon_fb, mode_cmd, obj); + if (ret) { + kfree(radeon_fb); + drm_gem_object_unreference_unlocked(obj); + return ERR_PTR(ret); + } return &radeon_fb->base; } @@ -706,11 +1385,6 @@ static const struct drm_mode_config_funcs radeon_mode_funcs = { .output_poll_changed = radeon_output_poll_changed }; -struct drm_prop_enum_list { - int type; - char *name; -}; - static struct drm_prop_enum_list radeon_tmds_pll_enum_list[] = { { 0, "driver" }, { 1, "bios" }, @@ -733,88 +1407,79 @@ static struct drm_prop_enum_list radeon_underscan_enum_list[] = { UNDERSCAN_AUTO, "auto" }, }; +static struct drm_prop_enum_list radeon_audio_enum_list[] = +{ { RADEON_AUDIO_DISABLE, "off" }, + { RADEON_AUDIO_ENABLE, "on" }, + { RADEON_AUDIO_AUTO, "auto" }, +}; + +/* XXX support different dither options? spatial, temporal, both, etc. */ +static struct drm_prop_enum_list radeon_dither_enum_list[] = +{ { RADEON_FMT_DITHER_DISABLE, "off" }, + { RADEON_FMT_DITHER_ENABLE, "on" }, +}; + static int radeon_modeset_create_props(struct radeon_device *rdev) { - int i, sz; + int sz; if (rdev->is_atom_bios) { rdev->mode_info.coherent_mode_property = - drm_property_create(rdev->ddev, - DRM_MODE_PROP_RANGE, - "coherent", 2); + drm_property_create_range(rdev->ddev, 0 , "coherent", 0, 1); if (!rdev->mode_info.coherent_mode_property) return -ENOMEM; - - rdev->mode_info.coherent_mode_property->values[0] = 0; - rdev->mode_info.coherent_mode_property->values[1] = 1; } if (!ASIC_IS_AVIVO(rdev)) { sz = ARRAY_SIZE(radeon_tmds_pll_enum_list); rdev->mode_info.tmds_pll_property = - drm_property_create(rdev->ddev, - DRM_MODE_PROP_ENUM, - "tmds_pll", sz); - for (i = 0; i < sz; i++) { - drm_property_add_enum(rdev->mode_info.tmds_pll_property, - i, - radeon_tmds_pll_enum_list[i].type, - radeon_tmds_pll_enum_list[i].name); - } + drm_property_create_enum(rdev->ddev, 0, + "tmds_pll", + radeon_tmds_pll_enum_list, sz); } rdev->mode_info.load_detect_property = - drm_property_create(rdev->ddev, - DRM_MODE_PROP_RANGE, - "load detection", 2); + drm_property_create_range(rdev->ddev, 0, "load detection", 0, 1); if (!rdev->mode_info.load_detect_property) return -ENOMEM; - rdev->mode_info.load_detect_property->values[0] = 0; - rdev->mode_info.load_detect_property->values[1] = 1; drm_mode_create_scaling_mode_property(rdev->ddev); sz = ARRAY_SIZE(radeon_tv_std_enum_list); rdev->mode_info.tv_std_property = - drm_property_create(rdev->ddev, - DRM_MODE_PROP_ENUM, - "tv standard", sz); - for (i = 0; i < sz; i++) { - drm_property_add_enum(rdev->mode_info.tv_std_property, - i, - radeon_tv_std_enum_list[i].type, - radeon_tv_std_enum_list[i].name); - } + drm_property_create_enum(rdev->ddev, 0, + "tv standard", + radeon_tv_std_enum_list, sz); sz = ARRAY_SIZE(radeon_underscan_enum_list); rdev->mode_info.underscan_property = - drm_property_create(rdev->ddev, - DRM_MODE_PROP_ENUM, - "underscan", sz); - for (i = 0; i < sz; i++) { - drm_property_add_enum(rdev->mode_info.underscan_property, - i, - radeon_underscan_enum_list[i].type, - radeon_underscan_enum_list[i].name); - } + drm_property_create_enum(rdev->ddev, 0, + "underscan", + radeon_underscan_enum_list, sz); rdev->mode_info.underscan_hborder_property = - drm_property_create(rdev->ddev, - DRM_MODE_PROP_RANGE, - "underscan hborder", 2); + drm_property_create_range(rdev->ddev, 0, + "underscan hborder", 0, 128); if (!rdev->mode_info.underscan_hborder_property) return -ENOMEM; - rdev->mode_info.underscan_hborder_property->values[0] = 0; - rdev->mode_info.underscan_hborder_property->values[1] = 128; rdev->mode_info.underscan_vborder_property = - drm_property_create(rdev->ddev, - DRM_MODE_PROP_RANGE, - "underscan vborder", 2); + drm_property_create_range(rdev->ddev, 0, + "underscan vborder", 0, 128); if (!rdev->mode_info.underscan_vborder_property) return -ENOMEM; - rdev->mode_info.underscan_vborder_property->values[0] = 0; - rdev->mode_info.underscan_vborder_property->values[1] = 128; + + sz = ARRAY_SIZE(radeon_audio_enum_list); + rdev->mode_info.audio_property = + drm_property_create_enum(rdev->ddev, 0, + "audio", + radeon_audio_enum_list, sz); + + sz = ARRAY_SIZE(radeon_dither_enum_list); + rdev->mode_info.dither_property = + drm_property_create_enum(rdev->ddev, 0, + "dither", + radeon_dither_enum_list, sz); return 0; } @@ -839,6 +1504,93 @@ void radeon_update_display_priority(struct radeon_device *rdev) } +/* + * Allocate hdmi structs and determine register offsets + */ +static void radeon_afmt_init(struct radeon_device *rdev) +{ + int i; + + for (i = 0; i < RADEON_MAX_AFMT_BLOCKS; i++) + rdev->mode_info.afmt[i] = NULL; + + if (ASIC_IS_NODCE(rdev)) { + /* nothing to do */ + } else if (ASIC_IS_DCE4(rdev)) { + static uint32_t eg_offsets[] = { + EVERGREEN_CRTC0_REGISTER_OFFSET, + EVERGREEN_CRTC1_REGISTER_OFFSET, + EVERGREEN_CRTC2_REGISTER_OFFSET, + EVERGREEN_CRTC3_REGISTER_OFFSET, + EVERGREEN_CRTC4_REGISTER_OFFSET, + EVERGREEN_CRTC5_REGISTER_OFFSET, + 0x13830 - 0x7030, + }; + int num_afmt; + + /* DCE8 has 7 audio blocks tied to DIG encoders */ + /* DCE6 has 6 audio blocks tied to DIG encoders */ + /* DCE4/5 has 6 audio blocks tied to DIG encoders */ + /* DCE4.1 has 2 audio blocks tied to DIG encoders */ + if (ASIC_IS_DCE8(rdev)) + num_afmt = 7; + else if (ASIC_IS_DCE6(rdev)) + num_afmt = 6; + else if (ASIC_IS_DCE5(rdev)) + num_afmt = 6; + else if (ASIC_IS_DCE41(rdev)) + num_afmt = 2; + else /* DCE4 */ + num_afmt = 6; + + BUG_ON(num_afmt > ARRAY_SIZE(eg_offsets)); + for (i = 0; i < num_afmt; i++) { + rdev->mode_info.afmt[i] = kzalloc(sizeof(struct radeon_afmt), GFP_KERNEL); + if (rdev->mode_info.afmt[i]) { + rdev->mode_info.afmt[i]->offset = eg_offsets[i]; + rdev->mode_info.afmt[i]->id = i; + } + } + } else if (ASIC_IS_DCE3(rdev)) { + /* DCE3.x has 2 audio blocks tied to DIG encoders */ + rdev->mode_info.afmt[0] = kzalloc(sizeof(struct radeon_afmt), GFP_KERNEL); + if (rdev->mode_info.afmt[0]) { + rdev->mode_info.afmt[0]->offset = DCE3_HDMI_OFFSET0; + rdev->mode_info.afmt[0]->id = 0; + } + rdev->mode_info.afmt[1] = kzalloc(sizeof(struct radeon_afmt), GFP_KERNEL); + if (rdev->mode_info.afmt[1]) { + rdev->mode_info.afmt[1]->offset = DCE3_HDMI_OFFSET1; + rdev->mode_info.afmt[1]->id = 1; + } + } else if (ASIC_IS_DCE2(rdev)) { + /* DCE2 has at least 1 routable audio block */ + rdev->mode_info.afmt[0] = kzalloc(sizeof(struct radeon_afmt), GFP_KERNEL); + if (rdev->mode_info.afmt[0]) { + rdev->mode_info.afmt[0]->offset = DCE2_HDMI_OFFSET0; + rdev->mode_info.afmt[0]->id = 0; + } + /* r6xx has 2 routable audio blocks */ + if (rdev->family >= CHIP_R600) { + rdev->mode_info.afmt[1] = kzalloc(sizeof(struct radeon_afmt), GFP_KERNEL); + if (rdev->mode_info.afmt[1]) { + rdev->mode_info.afmt[1]->offset = DCE2_HDMI_OFFSET1; + rdev->mode_info.afmt[1]->id = 1; + } + } + } +} + +static void radeon_afmt_fini(struct radeon_device *rdev) +{ + int i; + + for (i = 0; i < RADEON_MAX_AFMT_BLOCKS; i++) { + kfree(rdev->mode_info.afmt[i]); + rdev->mode_info.afmt[i] = NULL; + } +} + int radeon_modeset_init(struct radeon_device *rdev) { int i; @@ -847,9 +1599,12 @@ int radeon_modeset_init(struct radeon_device *rdev) drm_mode_config_init(rdev->ddev); rdev->mode_info.mode_config_initialized = true; - rdev->ddev->mode_config.funcs = (void *)&radeon_mode_funcs; + rdev->ddev->mode_config.funcs = &radeon_mode_funcs; - if (ASIC_IS_AVIVO(rdev)) { + if (ASIC_IS_DCE5(rdev)) { + rdev->ddev->mode_config.max_width = 16384; + rdev->ddev->mode_config.max_height = 16384; + } else if (ASIC_IS_AVIVO(rdev)) { rdev->ddev->mode_config.max_width = 8192; rdev->ddev->mode_config.max_height = 8192; } else { @@ -857,6 +1612,9 @@ int radeon_modeset_init(struct radeon_device *rdev) rdev->ddev->mode_config.max_height = 4096; } + rdev->ddev->mode_config.preferred_depth = 24; + rdev->ddev->mode_config.prefer_shadow = 1; + rdev->ddev->mode_config.fb_base = rdev->mc.aper_base; ret = radeon_modeset_create_props(rdev); @@ -883,15 +1641,35 @@ int radeon_modeset_init(struct radeon_device *rdev) if (!ret) { return ret; } + + /* init dig PHYs, disp eng pll */ + if (rdev->is_atom_bios) { + radeon_atom_encoder_init(rdev); + radeon_atom_disp_eng_pll_init(rdev); + } + /* initialize hpd */ radeon_hpd_init(rdev); - /* Initialize power management */ - radeon_pm_init(rdev); + /* setup afmt */ + radeon_afmt_init(rdev); radeon_fbdev_init(rdev); drm_kms_helper_poll_init(rdev->ddev); + if (rdev->pm.dpm_enabled) { + /* do dpm late init */ + ret = radeon_pm_late_init(rdev); + if (ret) { + rdev->pm.dpm_enabled = false; + DRM_ERROR("radeon_pm_late_init failed, disabling dpm\n"); + } + /* set the dpm state for PX since there won't be + * a modeset to call this. + */ + radeon_pm_compute_clocks(rdev); + } + return 0; } @@ -899,9 +1677,9 @@ void radeon_modeset_fini(struct radeon_device *rdev) { radeon_fbdev_fini(rdev); kfree(rdev->mode_info.bios_hardcoded_edid); - radeon_pm_fini(rdev); if (rdev->mode_info.mode_config_initialized) { + radeon_afmt_fini(rdev); drm_kms_helper_poll_fini(rdev->ddev); radeon_hpd_fini(rdev); drm_mode_config_cleanup(rdev->ddev); @@ -911,7 +1689,7 @@ void radeon_modeset_fini(struct radeon_device *rdev) radeon_i2c_fini(rdev); } -static bool is_hdtv_mode(struct drm_display_mode *mode) +static bool is_hdtv_mode(const struct drm_display_mode *mode) { /* try and guess if this is a tv or a monitor */ if ((mode->vdisplay == 480 && mode->hdisplay == 720) || /* 480p */ @@ -924,7 +1702,7 @@ static bool is_hdtv_mode(struct drm_display_mode *mode) } bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc, - struct drm_display_mode *mode, + const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { struct drm_device *dev = crtc->dev; @@ -1017,12 +1795,18 @@ bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc, } /* - * Retrieve current video scanout position of crtc on a given gpu. + * Retrieve current video scanout position of crtc on a given gpu, and + * an optional accurate timestamp of when query happened. * - * \param rdev Device to query. + * \param dev Device to query. * \param crtc Crtc to query. + * \param flags Flags from caller (DRM_CALLED_FROM_VBLIRQ or 0). * \param *vpos Location where vertical scanout position should be stored. * \param *hpos Location where horizontal scanout position should go. + * \param *stime Target location for timestamp taken immediately before + * scanout position query. Can be NULL to skip timestamp. + * \param *etime Target location for timestamp taken immediately after + * scanout position query. Can be NULL to skip timestamp. * * Returns vpos as a positive number while in active scanout area. * Returns vpos as a negative number inside vblank, counting the number @@ -1031,72 +1815,81 @@ bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc, * * \return Flags, or'ed together as follows: * - * RADEON_SCANOUTPOS_VALID = Query successfull. - * RADEON_SCANOUTPOS_INVBL = Inside vblank. - * RADEON_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of + * DRM_SCANOUTPOS_VALID = Query successful. + * DRM_SCANOUTPOS_INVBL = Inside vblank. + * DRM_SCANOUTPOS_ACCURATE = Returned position is accurate. A lack of * this flag means that returned position may be offset by a constant but * unknown small number of scanlines wrt. real scanout position. * */ -int radeon_get_crtc_scanoutpos(struct radeon_device *rdev, int crtc, int *vpos, int *hpos) +int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc, unsigned int flags, + int *vpos, int *hpos, ktime_t *stime, ktime_t *etime) { u32 stat_crtc = 0, vbl = 0, position = 0; int vbl_start, vbl_end, vtotal, ret = 0; bool in_vbl = true; + struct radeon_device *rdev = dev->dev_private; + + /* preempt_disable_rt() should go right here in PREEMPT_RT patchset. */ + + /* Get optional system timestamp before query. */ + if (stime) + *stime = ktime_get(); + if (ASIC_IS_DCE4(rdev)) { if (crtc == 0) { vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + EVERGREEN_CRTC0_REGISTER_OFFSET); position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + EVERGREEN_CRTC0_REGISTER_OFFSET); - ret |= RADEON_SCANOUTPOS_VALID; + ret |= DRM_SCANOUTPOS_VALID; } if (crtc == 1) { vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + EVERGREEN_CRTC1_REGISTER_OFFSET); position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + EVERGREEN_CRTC1_REGISTER_OFFSET); - ret |= RADEON_SCANOUTPOS_VALID; + ret |= DRM_SCANOUTPOS_VALID; } if (crtc == 2) { vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + EVERGREEN_CRTC2_REGISTER_OFFSET); position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + EVERGREEN_CRTC2_REGISTER_OFFSET); - ret |= RADEON_SCANOUTPOS_VALID; + ret |= DRM_SCANOUTPOS_VALID; } if (crtc == 3) { vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + EVERGREEN_CRTC3_REGISTER_OFFSET); position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + EVERGREEN_CRTC3_REGISTER_OFFSET); - ret |= RADEON_SCANOUTPOS_VALID; + ret |= DRM_SCANOUTPOS_VALID; } if (crtc == 4) { vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + EVERGREEN_CRTC4_REGISTER_OFFSET); position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + EVERGREEN_CRTC4_REGISTER_OFFSET); - ret |= RADEON_SCANOUTPOS_VALID; + ret |= DRM_SCANOUTPOS_VALID; } if (crtc == 5) { vbl = RREG32(EVERGREEN_CRTC_V_BLANK_START_END + EVERGREEN_CRTC5_REGISTER_OFFSET); position = RREG32(EVERGREEN_CRTC_STATUS_POSITION + EVERGREEN_CRTC5_REGISTER_OFFSET); - ret |= RADEON_SCANOUTPOS_VALID; + ret |= DRM_SCANOUTPOS_VALID; } } else if (ASIC_IS_AVIVO(rdev)) { if (crtc == 0) { vbl = RREG32(AVIVO_D1CRTC_V_BLANK_START_END); position = RREG32(AVIVO_D1CRTC_STATUS_POSITION); - ret |= RADEON_SCANOUTPOS_VALID; + ret |= DRM_SCANOUTPOS_VALID; } if (crtc == 1) { vbl = RREG32(AVIVO_D2CRTC_V_BLANK_START_END); position = RREG32(AVIVO_D2CRTC_STATUS_POSITION); - ret |= RADEON_SCANOUTPOS_VALID; + ret |= DRM_SCANOUTPOS_VALID; } } else { /* Pre-AVIVO: Different encoding of scanout pos and vblank interval. */ @@ -1112,7 +1905,7 @@ int radeon_get_crtc_scanoutpos(struct radeon_device *rdev, int crtc, int *vpos, if (!(stat_crtc & 1)) in_vbl = false; - ret |= RADEON_SCANOUTPOS_VALID; + ret |= DRM_SCANOUTPOS_VALID; } if (crtc == 1) { vbl = (RREG32(RADEON_CRTC2_V_TOTAL_DISP) & @@ -1122,10 +1915,16 @@ int radeon_get_crtc_scanoutpos(struct radeon_device *rdev, int crtc, int *vpos, if (!(stat_crtc & 1)) in_vbl = false; - ret |= RADEON_SCANOUTPOS_VALID; + ret |= DRM_SCANOUTPOS_VALID; } } + /* Get optional system timestamp after query. */ + if (etime) + *etime = ktime_get(); + + /* preempt_enable_rt() should go right here in PREEMPT_RT patchset. */ + /* Decode into vertical and horizontal scanout position. */ *vpos = position & 0x1fff; *hpos = (position >> 16) & 0x1fff; @@ -1133,13 +1932,13 @@ int radeon_get_crtc_scanoutpos(struct radeon_device *rdev, int crtc, int *vpos, /* Valid vblank area boundaries from gpu retrieved? */ if (vbl > 0) { /* Yes: Decode. */ - ret |= RADEON_SCANOUTPOS_ACCURATE; + ret |= DRM_SCANOUTPOS_ACCURATE; vbl_start = vbl & 0x1fff; vbl_end = (vbl >> 16) & 0x1fff; } else { /* No: Fake something reasonable which gives at least ok results. */ - vbl_start = rdev->mode_info.crtcs[crtc]->base.mode.crtc_vdisplay; + vbl_start = rdev->mode_info.crtcs[crtc]->base.hwmode.crtc_vdisplay; vbl_end = 0; } @@ -1155,7 +1954,7 @@ int radeon_get_crtc_scanoutpos(struct radeon_device *rdev, int crtc, int *vpos, /* Inside "upper part" of vblank area? Apply corrective offset if so: */ if (in_vbl && (*vpos >= vbl_start)) { - vtotal = rdev->mode_info.crtcs[crtc]->base.mode.crtc_vtotal; + vtotal = rdev->mode_info.crtcs[crtc]->base.hwmode.crtc_vtotal; *vpos = *vpos - vtotal; } @@ -1164,7 +1963,29 @@ int radeon_get_crtc_scanoutpos(struct radeon_device *rdev, int crtc, int *vpos, /* In vblank? */ if (in_vbl) - ret |= RADEON_SCANOUTPOS_INVBL; + ret |= DRM_SCANOUTPOS_INVBL; + + /* Is vpos outside nominal vblank area, but less than + * 1/100 of a frame height away from start of vblank? + * If so, assume this isn't a massively delayed vblank + * interrupt, but a vblank interrupt that fired a few + * microseconds before true start of vblank. Compensate + * by adding a full frame duration to the final timestamp. + * Happens, e.g., on ATI R500, R600. + * + * We only do this if DRM_CALLED_FROM_VBLIRQ. + */ + if ((flags & DRM_CALLED_FROM_VBLIRQ) && !in_vbl) { + vbl_start = rdev->mode_info.crtcs[crtc]->base.hwmode.crtc_vdisplay; + vtotal = rdev->mode_info.crtcs[crtc]->base.hwmode.crtc_vtotal; + + if (vbl_start - *vpos < vtotal / 100) { + *vpos -= vtotal; + + /* Signal this correction as "applied". */ + ret |= 0x8; + } + } return ret; } |
