From 1163a0b88c5882bef744b40133195d7231d4e409 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Wed, 30 Mar 2011 10:01:03 +0100 Subject: [PATCH] staging: gma500: We don't support the CI either The camera interface is also not covered (and we won't be using TTM anyway even if it ever re-emerges) so it to can go Signed-off-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/staging/gma500/psb_buffer.c | 13 ----------- drivers/staging/gma500/psb_drv.c | 36 +---------------------------- drivers/staging/gma500/psb_drv.h | 8 ------- drivers/staging/gma500/psb_gtt.c | 27 ++-------------------- drivers/staging/gma500/psb_gtt.h | 4 ---- 5 files changed, 3 insertions(+), 85 deletions(-) diff --git a/drivers/staging/gma500/psb_buffer.c b/drivers/staging/gma500/psb_buffer.c index a921f892ea5f..b5d79a589db1 100644 --- a/drivers/staging/gma500/psb_buffer.c +++ b/drivers/staging/gma500/psb_buffer.c @@ -68,14 +68,6 @@ static int psb_init_mem_type(struct ttm_bo_device *bdev, uint32_t type, TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC; man->default_caching = TTM_PL_FLAG_WC; break; - case TTM_PL_CI: - man->func = &ttm_bo_manager_func; - man->flags = TTM_MEMTYPE_FLAG_MAPPABLE | - TTM_MEMTYPE_FLAG_FIXED; - man->gpu_offset = pg->mmu_gatt_start + (pg->ci_start); - man->available_caching = TTM_PL_FLAG_UNCACHED; - man->default_caching = TTM_PL_FLAG_UNCACHED; - break; case TTM_PL_TT: /* Mappable GATT memory */ man->func = &ttm_bo_manager_func; #ifdef PSB_WORKING_HOST_MMU_ACCESS @@ -373,11 +365,6 @@ static int psb_ttm_io_mem_reserve(struct ttm_bo_device *bdev, mem->bus.offset = mm_node->start << PAGE_SHIFT; mem->bus.base = 0x00000000; break; - case TTM_PL_CI: - mem->bus.offset = mm_node->start << PAGE_SHIFT; - mem->bus.base = dev_priv->ci_region_start;; - mem->bus.is_iomem = true; - break; default: return -EINVAL; } diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c index 84bcfebf3e8f..cbb691e8617c 100644 --- a/drivers/staging/gma500/psb_drv.c +++ b/drivers/staging/gma500/psb_drv.c @@ -316,11 +316,6 @@ static void psb_do_takedown(struct drm_device *dev) ttm_bo_clean_mm(bdev, TTM_PL_TT); dev_priv->have_tt = 0; } - - if (dev_priv->have_camera) { - ttm_bo_clean_mm(bdev, TTM_PL_CI); - dev_priv->have_camera = 0; - } } void mrst_get_fuse_settings(struct drm_device *dev) @@ -639,12 +634,7 @@ static int psb_do_init(struct drm_device *dev) PSB_WSGX32(pg->mmu_gatt_start, PSB_CR_BIF_TWOD_REQ_BASE); /* TT region managed by TTM. */ - if (!ttm_bo_init_mm(bdev, TTM_PL_TT, - pg->gatt_pages - - (pg->ci_start >> PAGE_SHIFT) - - ((dev_priv->ci_region_size) - >> PAGE_SHIFT))) { - + if (!ttm_bo_init_mm(bdev, TTM_PL_TT, pg->gatt_pages)) { dev_priv->have_tt = 1; dev_priv->sizes.tt_size = (tt_pages << PAGE_SHIFT) / (1024 * 1024) / 2; @@ -696,12 +686,6 @@ static int psb_driver_unload(struct drm_device *dev) (dev_priv->mmu), pg->mmu_gatt_start, pg->vram_stolen_size >> PAGE_SHIFT); - if (pg->ci_stolen_size != 0) - psb_mmu_remove_pfn_sequence( - psb_mmu_get_default_pd - (dev_priv->mmu), - pg->ci_start, - pg->ci_stolen_size >> PAGE_SHIFT); up_read(&pg->sem); psb_mmu_driver_takedown(dev_priv->mmu); dev_priv->mmu = NULL; @@ -870,24 +854,6 @@ static int psb_driver_load(struct drm_device *dev, unsigned long chipset) tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ? (pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT; - /* CI/RAR use the lower half of TT. */ - pg->ci_start = (tt_pages / 2) << PAGE_SHIFT; - - - /* - * Make MSVDX/TOPAZ MMU aware of the CI stolen memory area. - */ - if (dev_priv->pg->ci_stolen_size != 0) { - down_read(&pg->sem); - ret = psb_mmu_insert_pfn_sequence(psb_mmu_get_default_pd - (dev_priv->mmu), - dev_priv->ci_region_start >> PAGE_SHIFT, - pg->mmu_gatt_start + pg->ci_start, - pg->ci_stolen_size >> PAGE_SHIFT, 0); - up_read(&pg->sem); - if (ret) - goto out_err; - } dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0); if (!dev_priv->pf_pd) diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h index 2aa7abc6c20d..7c83c8de0dca 100644 --- a/drivers/staging/gma500/psb_drv.h +++ b/drivers/staging/gma500/psb_drv.h @@ -599,18 +599,10 @@ struct drm_psb_private { struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE]; uint32_t num_pipe; - /* - * CI share buffer - */ - unsigned int ci_region_start; - unsigned int ci_region_size; - /* *Memory managers */ - int have_camera; - int have_rar; int have_tt; int have_mem_mmu; struct mutex temp_mem; diff --git a/drivers/staging/gma500/psb_gtt.c b/drivers/staging/gma500/psb_gtt.c index 0e5ee6c25d9d..d129b75c4e56 100644 --- a/drivers/staging/gma500/psb_gtt.c +++ b/drivers/staging/gma500/psb_gtt.c @@ -75,10 +75,10 @@ int psb_gtt_init(struct psb_gtt *pg, int resume) struct drm_device *dev = pg->dev; struct drm_psb_private *dev_priv = dev->dev_private; unsigned gtt_pages; - unsigned long stolen_size, vram_stolen_size, ci_stolen_size; + unsigned long stolen_size, vram_stolen_size; unsigned i, num_pages; unsigned pfn_base; - uint32_t ci_pages, vram_pages; + uint32_t vram_pages; uint32_t tt_pages; uint32_t *ttm_gtt_map; uint32_t dvmt_mode = 0; @@ -111,10 +111,6 @@ int psb_gtt_init(struct psb_gtt *pg, int resume) pci_read_config_dword(dev->pdev, PSB_BSM, &pg->stolen_base); vram_stolen_size = pg->gtt_phys_start - pg->stolen_base - PAGE_SIZE; - /* CI is not included in the stolen size since the TOPAZ MMU bug */ - ci_stolen_size = dev_priv->ci_region_size; - /* Don't add CI & RAR share buffer space - * managed by TTM to stolen_size */ stolen_size = vram_stolen_size; printk(KERN_INFO"GMMADR(region 0) start: 0x%08x (%dM).\n", @@ -129,11 +125,6 @@ int psb_gtt_init(struct psb_gtt *pg, int resume) printk(KERN_INFO " the correct size should be: %dM(dvmt mode=%d)\n", (dvmt_mode == 1) ? 1 : (2 << (dvmt_mode - 1)), dvmt_mode); - if (ci_stolen_size > 0) - printk(KERN_INFO"CI Stole memory: RAM base = 0x%08x, size = %lu M\n", - dev_priv->ci_region_start, - ci_stolen_size / 1024 / 1024); - if (resume && (gtt_pages != pg->gtt_pages) && (stolen_size != pg->stolen_size)) { DRM_ERROR("GTT resume error.\n"); @@ -144,7 +135,6 @@ int psb_gtt_init(struct psb_gtt *pg, int resume) pg->gtt_pages = gtt_pages; pg->stolen_size = stolen_size; pg->vram_stolen_size = vram_stolen_size; - pg->ci_stolen_size = ci_stolen_size; pg->gtt_map = ioremap_nocache(pg->gtt_phys_start, gtt_pages << PAGE_SHIFT); if (!pg->gtt_map) { @@ -188,19 +178,6 @@ int psb_gtt_init(struct psb_gtt *pg, int resume) for (; i < tt_pages / 2 - 1; ++i) iowrite32(pte, pg->gtt_map + i); - /* - * insert CI stolen pages - */ - - pfn_base = dev_priv->ci_region_start >> PAGE_SHIFT; - ci_pages = num_pages = ci_stolen_size >> PAGE_SHIFT; - printk(KERN_INFO"Set up %d CI stolen pages starting at 0x%08x, GTT offset %dK\n", - num_pages, pfn_base, (ttm_gtt_map - pg->gtt_map) * 4); - for (i = 0; i < num_pages; ++i) { - pte = psb_gtt_mask_pte(pfn_base + i, 0); - iowrite32(pte, ttm_gtt_map + i); - } - /* * Init rest of gtt managed by TTM. */ diff --git a/drivers/staging/gma500/psb_gtt.h b/drivers/staging/gma500/psb_gtt.h index 0272f83b461e..8a0ef7783abd 100644 --- a/drivers/staging/gma500/psb_gtt.h +++ b/drivers/staging/gma500/psb_gtt.h @@ -29,8 +29,6 @@ struct psb_gtt { int initialized; uint32_t gatt_start; uint32_t mmu_gatt_start; - uint32_t ci_start; - uint32_t rar_start; uint32_t gtt_start; uint32_t gtt_phys_start; unsigned gtt_pages; @@ -41,8 +39,6 @@ struct psb_gtt { u16 gmch_ctrl; unsigned long stolen_size; unsigned long vram_stolen_size; - unsigned long ci_stolen_size; - unsigned long rar_stolen_size; uint32_t *gtt_map; struct rw_semaphore sem; }; -- 2.34.1