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-rw-r--r--projects/linux/core/done/bsp392_arm64_defconfig.yaml (renamed from projects/linux/core/bsp392_arm64_defconfig.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_arm64_dts_renesas_r8a77965.yaml (renamed from projects/linux/core/bsp392_arm64_dts_renesas_r8a77965.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_arm64_dts_renesas_r8a77990.yaml (renamed from projects/linux/core/bsp392_arm64_dts_renesas_r8a77990.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_arm64_dts_renesas_r8a77995_draak.yaml (renamed from projects/linux/core/bsp392_arm64_dts_renesas_r8a77995_draak.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_arm64_dts_renesas_salvator-common.yaml (renamed from projects/linux/core/bsp392_arm64_dts_renesas_salvator-common.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_arm64_dts_renesas_spi_aliases.yaml (renamed from projects/linux/core/bsp392_arm64_dts_renesas_spi_aliases.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_clk_renesas_errata.yaml (renamed from projects/linux/core/bsp392_clk_renesas_errata.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_clk_renesas_intc_clock_removal.yaml (renamed from projects/linux/core/bsp392_clk_renesas_intc_clock_removal.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_clk_renesas_sd_hs400.yaml (renamed from projects/linux/core/bsp392_clk_renesas_sd_hs400.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_dmaengine_rcar-dmac.yaml (renamed from projects/linux/core/bsp392_dmaengine_rcar-dmac.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_dmaengine_usb-dmac.yaml (renamed from projects/linux/core/bsp392_dmaengine_usb-dmac.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_pinctrl_sh-pfc_errata.yaml (renamed from projects/linux/core/bsp392_pinctrl_sh-pfc_errata.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_pinctrl_sh-pfc_r8a77965.yaml (renamed from projects/linux/core/bsp392_pinctrl_sh-pfc_r8a77965.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_pinctrl_sh-pfc_r8a77990.yaml (renamed from projects/linux/core/bsp392_pinctrl_sh-pfc_r8a77990.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_sched.yaml (renamed from projects/linux/core/bsp392_sched.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_sched_core.yaml (renamed from projects/linux/core/bsp392_sched_core.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_sched_fair.yaml (renamed from projects/linux/core/bsp392_sched_fair.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_soc_renesas.yaml (renamed from projects/linux/core/bsp392_soc_renesas.yaml)0
-rw-r--r--projects/linux/core/done/bsp392_soc_renesas_r8a77990-sysc.yaml (renamed from projects/linux/core/bsp392_soc_renesas_r8a77990-sysc.yaml)0
-rw-r--r--projects/linux/core/done/bsp396_arm64_dts_renesas_add_iommus_into_sdhi.yaml (renamed from projects/linux/core/bsp396_arm64_dts_renesas_add_iommus_into_sdhi.yaml)0
-rw-r--r--projects/linux/core/done/bsp396_clk_renesas_r8a77961.yaml (renamed from projects/linux/core/bsp396_clk_renesas_r8a77961.yaml)0
-rw-r--r--projects/linux/core/done/bsp396_iommu_ipmmu-vmsa.yaml (renamed from projects/linux/core/bsp396_iommu_ipmmu-vmsa.yaml)0
-rw-r--r--projects/linux/core/done/bsp396_pinctrl_sh-pfc_r8a77990.yaml (renamed from projects/linux/core/bsp396_pinctrl_sh-pfc_r8a77990.yaml)0
-rw-r--r--projects/linux/core/done/bsp396_sysc_r8a77961.yaml (renamed from projects/linux/core/bsp396_sysc_r8a77961.yaml)0
-rw-r--r--projects/linux/core/done/bsp396_sysc_r8a77965.yaml (renamed from projects/linux/core/bsp396_sysc_r8a77965.yaml)0
-rw-r--r--projects/linux/core/done/gen2_uniform_pmic_single.yaml (renamed from projects/linux/core/gen2_uniform_pmic_single.yaml)0
-rw-r--r--projects/linux/core/done/ipmmu_suspend_resume.yaml (renamed from projects/linux/core/ipmmu_suspend_resume.yaml)0
-rw-r--r--projects/linux/core/done/pfc_tdsel_save_restore.yaml (renamed from projects/linux/core/pfc_tdsel_save_restore.yaml)0
28 files changed, 0 insertions, 0 deletions
diff --git a/projects/linux/core/bsp392_arm64_defconfig.yaml b/projects/linux/core/done/bsp392_arm64_defconfig.yaml
index 9d93569..9d93569 100644
--- a/projects/linux/core/bsp392_arm64_defconfig.yaml
+++ b/projects/linux/core/done/bsp392_arm64_defconfig.yaml
diff --git a/projects/linux/core/bsp392_arm64_dts_renesas_r8a77965.yaml b/projects/linux/core/done/bsp392_arm64_dts_renesas_r8a77965.yaml
index a730e10..a730e10 100644
--- a/projects/linux/core/bsp392_arm64_dts_renesas_r8a77965.yaml
+++ b/projects/linux/core/done/bsp392_arm64_dts_renesas_r8a77965.yaml
diff --git a/projects/linux/core/bsp392_arm64_dts_renesas_r8a77990.yaml b/projects/linux/core/done/bsp392_arm64_dts_renesas_r8a77990.yaml
index c9fb07d..c9fb07d 100644
--- a/projects/linux/core/bsp392_arm64_dts_renesas_r8a77990.yaml
+++ b/projects/linux/core/done/bsp392_arm64_dts_renesas_r8a77990.yaml
diff --git a/projects/linux/core/bsp392_arm64_dts_renesas_r8a77995_draak.yaml b/projects/linux/core/done/bsp392_arm64_dts_renesas_r8a77995_draak.yaml
index d35b58d..d35b58d 100644
--- a/projects/linux/core/bsp392_arm64_dts_renesas_r8a77995_draak.yaml
+++ b/projects/linux/core/done/bsp392_arm64_dts_renesas_r8a77995_draak.yaml
diff --git a/projects/linux/core/bsp392_arm64_dts_renesas_salvator-common.yaml b/projects/linux/core/done/bsp392_arm64_dts_renesas_salvator-common.yaml
index 32a6ac4..32a6ac4 100644
--- a/projects/linux/core/bsp392_arm64_dts_renesas_salvator-common.yaml
+++ b/projects/linux/core/done/bsp392_arm64_dts_renesas_salvator-common.yaml
diff --git a/projects/linux/core/bsp392_arm64_dts_renesas_spi_aliases.yaml b/projects/linux/core/done/bsp392_arm64_dts_renesas_spi_aliases.yaml
index 95cb40b..95cb40b 100644
--- a/projects/linux/core/bsp392_arm64_dts_renesas_spi_aliases.yaml
+++ b/projects/linux/core/done/bsp392_arm64_dts_renesas_spi_aliases.yaml
diff --git a/projects/linux/core/bsp392_clk_renesas_errata.yaml b/projects/linux/core/done/bsp392_clk_renesas_errata.yaml
index 1521751..1521751 100644
--- a/projects/linux/core/bsp392_clk_renesas_errata.yaml
+++ b/projects/linux/core/done/bsp392_clk_renesas_errata.yaml
diff --git a/projects/linux/core/bsp392_clk_renesas_intc_clock_removal.yaml b/projects/linux/core/done/bsp392_clk_renesas_intc_clock_removal.yaml
index 1d77e33..1d77e33 100644
--- a/projects/linux/core/bsp392_clk_renesas_intc_clock_removal.yaml
+++ b/projects/linux/core/done/bsp392_clk_renesas_intc_clock_removal.yaml
diff --git a/projects/linux/core/bsp392_clk_renesas_sd_hs400.yaml b/projects/linux/core/done/bsp392_clk_renesas_sd_hs400.yaml
index 4f11d7e..4f11d7e 100644
--- a/projects/linux/core/bsp392_clk_renesas_sd_hs400.yaml
+++ b/projects/linux/core/done/bsp392_clk_renesas_sd_hs400.yaml
diff --git a/projects/linux/core/bsp392_dmaengine_rcar-dmac.yaml b/projects/linux/core/done/bsp392_dmaengine_rcar-dmac.yaml
index da4bd7e..da4bd7e 100644
--- a/projects/linux/core/bsp392_dmaengine_rcar-dmac.yaml
+++ b/projects/linux/core/done/bsp392_dmaengine_rcar-dmac.yaml
diff --git a/projects/linux/core/bsp392_dmaengine_usb-dmac.yaml b/projects/linux/core/done/bsp392_dmaengine_usb-dmac.yaml
index d0a0787..d0a0787 100644
--- a/projects/linux/core/bsp392_dmaengine_usb-dmac.yaml
+++ b/projects/linux/core/done/bsp392_dmaengine_usb-dmac.yaml
diff --git a/projects/linux/core/bsp392_pinctrl_sh-pfc_errata.yaml b/projects/linux/core/done/bsp392_pinctrl_sh-pfc_errata.yaml
index 4b7ab2b..4b7ab2b 100644
--- a/projects/linux/core/bsp392_pinctrl_sh-pfc_errata.yaml
+++ b/projects/linux/core/done/bsp392_pinctrl_sh-pfc_errata.yaml
diff --git a/projects/linux/core/bsp392_pinctrl_sh-pfc_r8a77965.yaml b/projects/linux/core/done/bsp392_pinctrl_sh-pfc_r8a77965.yaml
index 9a5ca0d..9a5ca0d 100644
--- a/projects/linux/core/bsp392_pinctrl_sh-pfc_r8a77965.yaml
+++ b/projects/linux/core/done/bsp392_pinctrl_sh-pfc_r8a77965.yaml
diff --git a/projects/linux/core/bsp392_pinctrl_sh-pfc_r8a77990.yaml b/projects/linux/core/done/bsp392_pinctrl_sh-pfc_r8a77990.yaml
index 1a249d6..1a249d6 100644
--- a/projects/linux/core/bsp392_pinctrl_sh-pfc_r8a77990.yaml
+++ b/projects/linux/core/done/bsp392_pinctrl_sh-pfc_r8a77990.yaml
diff --git a/projects/linux/core/bsp392_sched.yaml b/projects/linux/core/done/bsp392_sched.yaml
index f40c412..f40c412 100644
--- a/projects/linux/core/bsp392_sched.yaml
+++ b/projects/linux/core/done/bsp392_sched.yaml
diff --git a/projects/linux/core/bsp392_sched_core.yaml b/projects/linux/core/done/bsp392_sched_core.yaml
index 2cbe5cf..2cbe5cf 100644
--- a/projects/linux/core/bsp392_sched_core.yaml
+++ b/projects/linux/core/done/bsp392_sched_core.yaml
diff --git a/projects/linux/core/bsp392_sched_fair.yaml b/projects/linux/core/done/bsp392_sched_fair.yaml
index 017fd06..017fd06 100644
--- a/projects/linux/core/bsp392_sched_fair.yaml
+++ b/projects/linux/core/done/bsp392_sched_fair.yaml
diff --git a/projects/linux/core/bsp392_soc_renesas.yaml b/projects/linux/core/done/bsp392_soc_renesas.yaml
index b5ff41c..b5ff41c 100644
--- a/projects/linux/core/bsp392_soc_renesas.yaml
+++ b/projects/linux/core/done/bsp392_soc_renesas.yaml
diff --git a/projects/linux/core/bsp392_soc_renesas_r8a77990-sysc.yaml b/projects/linux/core/done/bsp392_soc_renesas_r8a77990-sysc.yaml
index b402dae..b402dae 100644
--- a/projects/linux/core/bsp392_soc_renesas_r8a77990-sysc.yaml
+++ b/projects/linux/core/done/bsp392_soc_renesas_r8a77990-sysc.yaml
diff --git a/projects/linux/core/bsp396_arm64_dts_renesas_add_iommus_into_sdhi.yaml b/projects/linux/core/done/bsp396_arm64_dts_renesas_add_iommus_into_sdhi.yaml
index 6809cf0..6809cf0 100644
--- a/projects/linux/core/bsp396_arm64_dts_renesas_add_iommus_into_sdhi.yaml
+++ b/projects/linux/core/done/bsp396_arm64_dts_renesas_add_iommus_into_sdhi.yaml
diff --git a/projects/linux/core/bsp396_clk_renesas_r8a77961.yaml b/projects/linux/core/done/bsp396_clk_renesas_r8a77961.yaml
index a7815d1..a7815d1 100644
--- a/projects/linux/core/bsp396_clk_renesas_r8a77961.yaml
+++ b/projects/linux/core/done/bsp396_clk_renesas_r8a77961.yaml
diff --git a/projects/linux/core/bsp396_iommu_ipmmu-vmsa.yaml b/projects/linux/core/done/bsp396_iommu_ipmmu-vmsa.yaml
index e13c5be..e13c5be 100644
--- a/projects/linux/core/bsp396_iommu_ipmmu-vmsa.yaml
+++ b/projects/linux/core/done/bsp396_iommu_ipmmu-vmsa.yaml
diff --git a/projects/linux/core/bsp396_pinctrl_sh-pfc_r8a77990.yaml b/projects/linux/core/done/bsp396_pinctrl_sh-pfc_r8a77990.yaml
index ea2b780..ea2b780 100644
--- a/projects/linux/core/bsp396_pinctrl_sh-pfc_r8a77990.yaml
+++ b/projects/linux/core/done/bsp396_pinctrl_sh-pfc_r8a77990.yaml
diff --git a/projects/linux/core/bsp396_sysc_r8a77961.yaml b/projects/linux/core/done/bsp396_sysc_r8a77961.yaml
index e9bff30..e9bff30 100644
--- a/projects/linux/core/bsp396_sysc_r8a77961.yaml
+++ b/projects/linux/core/done/bsp396_sysc_r8a77961.yaml
diff --git a/projects/linux/core/bsp396_sysc_r8a77965.yaml b/projects/linux/core/done/bsp396_sysc_r8a77965.yaml
index f48268a..f48268a 100644
--- a/projects/linux/core/bsp396_sysc_r8a77965.yaml
+++ b/projects/linux/core/done/bsp396_sysc_r8a77965.yaml
diff --git a/projects/linux/core/gen2_uniform_pmic_single.yaml b/projects/linux/core/done/gen2_uniform_pmic_single.yaml
index b9d529f..b9d529f 100644
--- a/projects/linux/core/gen2_uniform_pmic_single.yaml
+++ b/projects/linux/core/done/gen2_uniform_pmic_single.yaml
diff --git a/projects/linux/core/ipmmu_suspend_resume.yaml b/projects/linux/core/done/ipmmu_suspend_resume.yaml
index 4bfbd87..4bfbd87 100644
--- a/projects/linux/core/ipmmu_suspend_resume.yaml
+++ b/projects/linux/core/done/ipmmu_suspend_resume.yaml
diff --git a/projects/linux/core/pfc_tdsel_save_restore.yaml b/projects/linux/core/done/pfc_tdsel_save_restore.yaml
index 05301da..05301da 100644
--- a/projects/linux/core/pfc_tdsel_save_restore.yaml
+++ b/projects/linux/core/done/pfc_tdsel_save_restore.yaml
generated by cgit v1.2.3 (git 2.25.1) at 2025-03-16 00:41:18 +0000
an> } dma_unmap_single(&pdev->dev, next, sizeof(*desc_ptr), DMA_TO_DEVICE); dma_unmap_page(&pdev->dev, desc_ptr->mem_addr, desc_ptr->size, vsg->direction); next = (dma_addr_t) desc_ptr->next; desc_ptr--; } } /* * If mode = 0, count how many descriptors are needed. * If mode = 1, Map the DMA pages for the device, put together and map also the descriptors. * Descriptors are run in reverse order by the hardware because we are not allowed to update the * 'next' field without syncing calls when the descriptor is already mapped. */ static void via_map_blit_for_device(struct pci_dev *pdev, const drm_via_dmablit_t *xfer, drm_via_sg_info_t *vsg, int mode) { unsigned cur_descriptor_page = 0; unsigned num_descriptors_this_page = 0; unsigned char *mem_addr = xfer->mem_addr; unsigned char *cur_mem; unsigned char *first_addr = (unsigned char *)VIA_PGDN(mem_addr); uint32_t fb_addr = xfer->fb_addr; uint32_t cur_fb; unsigned long line_len; unsigned remaining_len; int num_desc = 0; int cur_line; dma_addr_t next = 0 | VIA_DMA_DPR_EC; drm_via_descriptor_t *desc_ptr = NULL; if (mode == 1) desc_ptr = vsg->desc_pages[cur_descriptor_page]; for (cur_line = 0; cur_line < xfer->num_lines; ++cur_line) { line_len = xfer->line_length; cur_fb = fb_addr; cur_mem = mem_addr; while (line_len > 0) { remaining_len = min(PAGE_SIZE-VIA_PGOFF(cur_mem), line_len); line_len -= remaining_len; if (mode == 1) { desc_ptr->mem_addr = dma_map_page(&pdev->dev, vsg->pages[VIA_PFN(cur_mem) - VIA_PFN(first_addr)], VIA_PGOFF(cur_mem), remaining_len, vsg->direction); desc_ptr->dev_addr = cur_fb; desc_ptr->size = remaining_len; desc_ptr->next = (uint32_t) next; next = dma_map_single(&pdev->dev, desc_ptr, sizeof(*desc_ptr), DMA_TO_DEVICE); desc_ptr++; if (++num_descriptors_this_page >= vsg->descriptors_per_page) { num_descriptors_this_page = 0; desc_ptr = vsg->desc_pages[++cur_descriptor_page]; } } num_desc++; cur_mem += remaining_len; cur_fb += remaining_len; } mem_addr += xfer->mem_stride; fb_addr += xfer->fb_stride; } if (mode == 1) { vsg->chain_start = next; vsg->state = dr_via_device_mapped; } vsg->num_desc = num_desc; } /* * Function that frees up all resources for a blit. It is usable even if the * blit info has only been partially built as long as the status enum is consistent * with the actual status of the used resources. */ static void via_free_sg_info(struct pci_dev *pdev, drm_via_sg_info_t *vsg) { struct page *page; int i; switch(vsg->state) { case dr_via_device_mapped: via_unmap_blit_from_device(pdev, vsg); case dr_via_desc_pages_alloc: for (i=0; i<vsg->num_desc_pages; ++i) { if (vsg->desc_pages[i] != NULL) free_page((unsigned long)vsg->desc_pages[i]); } kfree(vsg->desc_pages); case dr_via_pages_locked: for (i=0; i<vsg->num_pages; ++i) { if ( NULL != (page = vsg->pages[i])) { if (! PageReserved(page) && (DMA_FROM_DEVICE == vsg->direction)) SetPageDirty(page); page_cache_release(page); } } case dr_via_pages_alloc: vfree(vsg->pages); default: vsg->state = dr_via_sg_init; } if (vsg->bounce_buffer) { vfree(vsg->bounce_buffer); vsg->bounce_buffer = NULL; } vsg->free_on_sequence = 0; } /* * Fire a blit engine. */ static void via_fire_dmablit(struct drm_device *dev, drm_via_sg_info_t *vsg, int engine) { drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; VIA_WRITE(VIA_PCI_DMA_MAR0 + engine*0x10, 0); VIA_WRITE(VIA_PCI_DMA_DAR0 + engine*0x10, 0); VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DD | VIA_DMA_CSR_TD | VIA_DMA_CSR_DE); VIA_WRITE(VIA_PCI_DMA_MR0 + engine*0x04, VIA_DMA_MR_CM | VIA_DMA_MR_TDIE); VIA_WRITE(VIA_PCI_DMA_BCR0 + engine*0x10, 0); VIA_WRITE(VIA_PCI_DMA_DPR0 + engine*0x10, vsg->chain_start); DRM_WRITEMEMORYBARRIER(); VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_DE | VIA_DMA_CSR_TS); VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04); } /* * Obtain a page pointer array and lock all pages into system memory. A segmentation violation will * occur here if the calling user does not have access to the submitted address. */ static int via_lock_all_dma_pages(drm_via_sg_info_t *vsg, drm_via_dmablit_t *xfer) { int ret; unsigned long first_pfn = VIA_PFN(xfer->mem_addr); vsg->num_pages = VIA_PFN(xfer->mem_addr + (xfer->num_lines * xfer->mem_stride -1)) - first_pfn + 1; if (NULL == (vsg->pages = vmalloc(sizeof(struct page *) * vsg->num_pages))) return -ENOMEM; memset(vsg->pages, 0, sizeof(struct page *) * vsg->num_pages); down_read(&current->mm->mmap_sem); ret = get_user_pages(current, current->mm, (unsigned long)xfer->mem_addr, vsg->num_pages, (vsg->direction == DMA_FROM_DEVICE), 0, vsg->pages, NULL); up_read(&current->mm->mmap_sem); if (ret != vsg->num_pages) { if (ret < 0) return ret; vsg->state = dr_via_pages_locked; return -EINVAL; } vsg->state = dr_via_pages_locked; DRM_DEBUG("DMA pages locked\n"); return 0; } /* * Allocate DMA capable memory for the blit descriptor chain, and an array that keeps track of the * pages we allocate. We don't want to use kmalloc for the descriptor chain because it may be * quite large for some blits, and pages don't need to be contingous. */ static int via_alloc_desc_pages(drm_via_sg_info_t *vsg) { int i; vsg->descriptors_per_page = PAGE_SIZE / sizeof( drm_via_descriptor_t); vsg->num_desc_pages = (vsg->num_desc + vsg->descriptors_per_page - 1) / vsg->descriptors_per_page; if (NULL == (vsg->desc_pages = kmalloc(sizeof(void *) * vsg->num_desc_pages, GFP_KERNEL))) return -ENOMEM; memset(vsg->desc_pages, 0, sizeof(void *) * vsg->num_desc_pages); vsg->state = dr_via_desc_pages_alloc; for (i=0; i<vsg->num_desc_pages; ++i) { if (NULL == (vsg->desc_pages[i] = (drm_via_descriptor_t *) __get_free_page(GFP_KERNEL))) return -ENOMEM; } DRM_DEBUG("Allocated %d pages for %d descriptors.\n", vsg->num_desc_pages, vsg->num_desc); return 0; } static void via_abort_dmablit(struct drm_device *dev, int engine) { drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_TA); } static void via_dmablit_engine_off(struct drm_device *dev, int engine) { drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_TD | VIA_DMA_CSR_DD); } /* * The dmablit part of the IRQ handler. Trying to do only reasonably fast things here. * The rest, like unmapping and freeing memory for done blits is done in a separate workqueue * task. Basically the task of the interrupt handler is to submit a new blit to the engine, while * the workqueue task takes care of processing associated with the old blit. */ void via_dmablit_handler(struct drm_device *dev, int engine, int from_irq) { drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; drm_via_blitq_t *blitq = dev_priv->blit_queues + engine; int cur; int done_transfer; unsigned long irqsave=0; uint32_t status = 0; DRM_DEBUG("DMA blit handler called. engine = %d, from_irq = %d, blitq = 0x%lx\n", engine, from_irq, (unsigned long) blitq); if (from_irq) { spin_lock(&blitq->blit_lock); } else { spin_lock_irqsave(&blitq->blit_lock, irqsave); } done_transfer = blitq->is_active && (( status = VIA_READ(VIA_PCI_DMA_CSR0 + engine*0x04)) & VIA_DMA_CSR_TD); done_transfer = done_transfer || ( blitq->aborting && !(status & VIA_DMA_CSR_DE)); cur = blitq->cur; if (done_transfer) { blitq->blits[cur]->aborted = blitq->aborting; blitq->done_blit_handle++; DRM_WAKEUP(blitq->blit_queue + cur); cur++; if (cur >= VIA_NUM_BLIT_SLOTS) cur = 0; blitq->cur = cur; /* * Clear transfer done flag. */ VIA_WRITE(VIA_PCI_DMA_CSR0 + engine*0x04, VIA_DMA_CSR_TD); blitq->is_active = 0; blitq->aborting = 0; schedule_work(&blitq->wq); } else if (blitq->is_active && time_after_eq(jiffies, blitq->end)) { /* * Abort transfer after one second. */ via_abort_dmablit(dev, engine); blitq->aborting = 1; blitq->end = jiffies + DRM_HZ; } if (!blitq->is_active) { if (blitq->num_outstanding) { via_fire_dmablit(dev, blitq->blits[cur], engine); blitq->is_active = 1; blitq->cur = cur; blitq->num_outstanding--; blitq->end = jiffies + DRM_HZ; if (!timer_pending(&blitq->poll_timer)) { blitq->poll_timer.expires = jiffies+1; add_timer(&blitq->poll_timer); } } else { if (timer_pending(&blitq->poll_timer)) { del_timer(&blitq->poll_timer); } via_dmablit_engine_off(dev, engine); } } if (from_irq) { spin_unlock(&blitq->blit_lock); } else { spin_unlock_irqrestore(&blitq->blit_lock, irqsave); } } /* * Check whether this blit is still active, performing necessary locking. */ static int via_dmablit_active(drm_via_blitq_t *blitq, int engine, uint32_t handle, wait_queue_head_t **queue) { unsigned long irqsave; uint32_t slot; int active; spin_lock_irqsave(&blitq->blit_lock, irqsave); /* * Allow for handle wraparounds. */ active = ((blitq->done_blit_handle - handle) > (1 << 23)) && ((blitq->cur_blit_handle - handle) <= (1 << 23)); if (queue && active) { slot = handle - blitq->done_blit_handle + blitq->cur -1; if (slot >= VIA_NUM_BLIT_SLOTS) { slot -= VIA_NUM_BLIT_SLOTS; } *queue = blitq->blit_queue + slot; } spin_unlock_irqrestore(&blitq->blit_lock, irqsave); return active; } /* * Sync. Wait for at least three seconds for the blit to be performed. */ static int via_dmablit_sync(struct drm_device *dev, uint32_t handle, int engine) { drm_via_private_t *dev_priv = (drm_via_private_t *)dev->dev_private; drm_via_blitq_t *blitq = dev_priv->blit_queues + engine; wait_queue_head_t *queue; int ret = 0; if (via_dmablit_active(blitq, engine, handle, &queue)) { DRM_WAIT_ON(ret, *queue, 3 * DRM_HZ, !via_dmablit_active(blitq, engine, handle, NULL)); } DRM_DEBUG("DMA blit sync handle 0x%x engine %d returned %d\n", handle, engine, ret); return ret; } /* * A timer that regularly polls the blit engine in cases where we don't have interrupts: * a) Broken hardware (typically those that don't have any video capture facility). * b) Blit abort. The hardware doesn't send an interrupt when a blit is aborted. * The timer and hardware IRQ's can and do work in parallel. If the hardware has * irqs, it will shorten the latency somewhat. */ static void via_dmablit_timer(unsigned long data) { drm_via_blitq_t *blitq = (drm_via_blitq_t *) data; struct drm_device *dev = blitq->dev; int engine = (int) (blitq - ((drm_via_private_t *)dev->dev_private)->blit_queues); DRM_DEBUG("Polling timer called for engine %d, jiffies %lu\n", engine, (unsigned long) jiffies); via_dmablit_handler(dev, engine, 0); if (!timer_pending(&blitq->poll_timer)) { blitq->poll_timer.expires = jiffies+1; add_timer(&blitq->poll_timer); /* * Rerun handler to delete timer if engines are off, and * to shorten abort latency. This is a little nasty. */ via_dmablit_handler(dev, engine, 0); } } /* * Workqueue task that frees data and mappings associated with a blit. * Also wakes up waiting processes. Each of these tasks handles one * blit engine only and may not be called on each interrupt. */ static void #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) via_dmablit_workqueue(void *data) #else via_dmablit_workqueue(struct work_struct *work) #endif { #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,20) drm_via_blitq_t *blitq = (drm_via_blitq_t *) data; #else drm_via_blitq_t *blitq = container_of(work, drm_via_blitq_t, wq); #endif struct drm_device *dev = blitq->dev; unsigned long irqsave; drm_via_sg_info_t *cur_sg; int cur_released; DRM_DEBUG("Workqueue task called for blit engine %ld\n",(unsigned long) (blitq - ((drm_via_private_t *)dev->dev_private)->blit_queues)); spin_lock_irqsave(&blitq->blit_lock, irqsave); while(blitq->serviced != blitq->cur) { cur_released = blitq->serviced++; DRM_DEBUG("Releasing blit slot %d\n", cur_released); if (blitq->serviced >= VIA_NUM_BLIT_SLOTS) blitq->serviced = 0; cur_sg = blitq->blits[cur_released]; blitq->num_free++; spin_unlock_irqrestore(&blitq->blit_lock, irqsave); DRM_WAKEUP(&blitq->busy_queue); via_free_sg_info(dev->pdev, cur_sg); kfree(cur_sg); spin_lock_irqsave(&blitq->blit_lock, irqsave); } spin_unlock_irqrestore(&blitq->blit_lock, irqsave); } /* * Init all blit engines. Currently we use two, but some hardware have 4. */ void via_init_dmablit(struct drm_device *dev)