From 4a2e29bf9982165deeeabb5c585fc0a8a659f380 Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Wed, 11 Jun 2008 15:59:01 -0700 Subject: Use GEM in modesetting Use GEM for ring buffer setup and framebuffer allocation. This means reworking the hardware status page stuff a bit (just use the basic range allocator for vram for now) and #ifdef'ing out the TTM & DRI2 code. Works well enough to load/unload several times and display fbcon on my T61 (though there's still some unexplained console corruption). --- shared-core/i915_dma.c | 39 ++++++++++++++++++++------------------- 1 file changed, 20 insertions(+), 19 deletions(-) (limited to 'shared-core/i915_dma.c') diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 1e51e702..0cd920de 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -139,8 +139,8 @@ int i915_dma_cleanup(struct drm_device * dev) I915_WRITE(0x02080, 0x1ffff000); } - if (dev_priv->status_gfx_addr) { - dev_priv->status_gfx_addr = 0; + if (dev_priv->hws_agpoffset) { + dev_priv->hws_agpoffset = 0; drm_core_ioremapfree(&dev_priv->hws_map, dev); I915_WRITE(0x02080, 0x1ffff000); } @@ -148,7 +148,7 @@ int i915_dma_cleanup(struct drm_device * dev) return 0; } -#if defined(I915_HAVE_BUFFER) +#if defined(I915_HAVE_BUFFER) && defined(DRI2) #define DRI2_SAREA_BLOCK_TYPE(b) ((b) >> 16) #define DRI2_SAREA_BLOCK_SIZE(b) ((b) & 0xffff) #define DRI2_SAREA_BLOCK_NEXT(p) \ @@ -276,10 +276,10 @@ static int i915_initialize(struct drm_device * dev, DRM_ERROR("Can not allocate hardware status page\n"); return -ENOMEM; } - dev_priv->hw_status_page = dev_priv->status_page_dmah->vaddr; + dev_priv->hws_vaddr = dev_priv->status_page_dmah->vaddr; dev_priv->dma_status_page = dev_priv->status_page_dmah->busaddr; - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); + memset(dev_priv->hws_vaddr, 0, PAGE_SIZE); I915_WRITE(0x02080, dev_priv->dma_status_page); } @@ -289,7 +289,7 @@ static int i915_initialize(struct drm_device * dev, if (!drm_core_check_feature(dev, DRIVER_MODESET)) { mutex_init(&dev_priv->cmdbuf_mutex); } - +#ifdef DRI2 if (init->func == I915_INIT_DMA2) { int ret = setup_dri2_sarea(dev, file_priv, init); if (ret) { @@ -298,7 +298,8 @@ static int i915_initialize(struct drm_device * dev, return ret; } } -#endif +#endif /* DRI2 */ +#endif /* I915_HAVE_BUFFER */ return 0; } @@ -319,16 +320,16 @@ static int i915_dma_resume(struct drm_device * dev) } /* Program Hardware Status Page */ - if (!dev_priv->hw_status_page) { + if (!dev_priv->hws_vaddr) { DRM_ERROR("Can not find hardware status page\n"); return -EINVAL; } - DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); + DRM_DEBUG("hw status page @ %p\n", dev_priv->hws_vaddr); - if (dev_priv->status_gfx_addr != 0) - I915_WRITE(0x02080, dev_priv->status_gfx_addr); + if (dev_priv->hws_agpoffset != 0) + I915_WRITE(HWS_PGA, dev_priv->hws_agpoffset); else - I915_WRITE(0x02080, dev_priv->dma_status_page); + I915_WRITE(HWS_PGA, dev_priv->dma_status_page); DRM_DEBUG("Enabled hardware status page\n"); return 0; @@ -1032,7 +1033,7 @@ static int i915_set_status_page(struct drm_device *dev, void *data, DRM_DEBUG("set status page addr 0x%08x\n", (u32)hws->addr); - dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12); + dev_priv->hws_agpoffset = hws->addr & (0x1ffff<<12); dev_priv->hws_map.offset = dev->agp->base + hws->addr; dev_priv->hws_map.size = 4*1024; @@ -1043,18 +1044,18 @@ static int i915_set_status_page(struct drm_device *dev, void *data, drm_core_ioremap(&dev_priv->hws_map, dev); if (dev_priv->hws_map.handle == NULL) { i915_dma_cleanup(dev); - dev_priv->status_gfx_addr = 0; + dev_priv->hws_agpoffset = 0; DRM_ERROR("can not ioremap virtual address for" " G33 hw status page\n"); return -ENOMEM; } - dev_priv->hw_status_page = dev_priv->hws_map.handle; + dev_priv->hws_vaddr = dev_priv->hws_map.handle; - memset(dev_priv->hw_status_page, 0, PAGE_SIZE); - I915_WRITE(HWS_PGA, dev_priv->status_gfx_addr); + memset(dev_priv->hws_vaddr, 0, PAGE_SIZE); + I915_WRITE(HWS_PGA, dev_priv->hws_agpoffset); DRM_DEBUG("load hws 0x2080 with gfx mem 0x%x\n", - dev_priv->status_gfx_addr); - DRM_DEBUG("load hws at %p\n", dev_priv->hw_status_page); + dev_priv->hws_agpoffset); + DRM_DEBUG("load hws at %p\n", dev_priv->hws_vaddr); return 0; } -- cgit v1.2.3