From a76fb4e8ffe42144529e21fe1e609b762e8eb5cc Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Thu, 18 Mar 2010 09:45:20 +1000 Subject: drm/nouveau: detect vram amount once, and save the value As opposed to repeatedly reading the amount back from the GPU every time we need to know the VRAM size. We should now fail to load gracefully on detecting no VRAM, rather than something potentially messy happening. Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nv50_instmem.c | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) (limited to 'drivers/gpu/drm/nouveau/nv50_instmem.c') diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c index de1f5b0062c5..34280eb31df3 100644 --- a/drivers/gpu/drm/nouveau/nv50_instmem.c +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c @@ -76,17 +76,12 @@ nv50_instmem_init(struct drm_device *dev) for (i = 0x1700; i <= 0x1710; i += 4) priv->save1700[(i-0x1700)/4] = nv_rd32(dev, i); - if (dev_priv->chipset == 0xaa || dev_priv->chipset == 0xac) - dev_priv->vram_sys_base = nv_rd32(dev, 0x100e10) << 12; - else - dev_priv->vram_sys_base = 0; - /* Reserve the last MiB of VRAM, we should probably try to avoid * setting up the below tables over the top of the VBIOS image at * some point. */ dev_priv->ramin_rsvd_vram = 1 << 20; - c_offset = nouveau_mem_fb_amount(dev) - dev_priv->ramin_rsvd_vram; + c_offset = dev_priv->vram_size - dev_priv->ramin_rsvd_vram; c_size = 128 << 10; c_vmpd = ((dev_priv->chipset & 0xf0) == 0x50) ? 0x1400 : 0x200; c_ramfc = ((dev_priv->chipset & 0xf0) == 0x50) ? 0x0 : 0x20; @@ -106,7 +101,7 @@ nv50_instmem_init(struct drm_device *dev) dev_priv->vm_gart_size = NV50_VM_BLOCK; dev_priv->vm_vram_base = dev_priv->vm_gart_base + dev_priv->vm_gart_size; - dev_priv->vm_vram_size = nouveau_mem_fb_amount(dev); + dev_priv->vm_vram_size = dev_priv->vram_size; if (dev_priv->vm_vram_size > NV50_VM_MAX_VRAM) dev_priv->vm_vram_size = NV50_VM_MAX_VRAM; dev_priv->vm_vram_size = roundup(dev_priv->vm_vram_size, NV50_VM_BLOCK); -- cgit v1.2.3 From 494ab824f179ddeb2022cbb1d25aee41ab46ee9b Mon Sep 17 00:00:00 2001 From: Ben Skeggs Date: Fri, 19 Mar 2010 12:49:59 +1000 Subject: drm/nv50: fix instmem init on IGPs if stolen mem crosses 4GiB mark Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nv50_instmem.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers/gpu/drm/nouveau/nv50_instmem.c') diff --git a/drivers/gpu/drm/nouveau/nv50_instmem.c b/drivers/gpu/drm/nouveau/nv50_instmem.c index 34280eb31df3..5f21df31f3aa 100644 --- a/drivers/gpu/drm/nouveau/nv50_instmem.c +++ b/drivers/gpu/drm/nouveau/nv50_instmem.c @@ -63,9 +63,10 @@ nv50_instmem_init(struct drm_device *dev) struct drm_nouveau_private *dev_priv = dev->dev_private; struct nouveau_channel *chan; uint32_t c_offset, c_size, c_ramfc, c_vmpd, c_base, pt_size; + uint32_t save_nv001700; + uint64_t v; struct nv50_instmem_priv *priv; int ret, i; - uint32_t v, save_nv001700; priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) @@ -184,8 +185,8 @@ nv50_instmem_init(struct drm_device *dev) i = 0; while (v < dev_priv->vram_sys_base + c_offset + c_size) { - BAR0_WI32(priv->pramin_pt->gpuobj, i + 0, v); - BAR0_WI32(priv->pramin_pt->gpuobj, i + 4, 0x00000000); + BAR0_WI32(priv->pramin_pt->gpuobj, i + 0, lower_32_bits(v)); + BAR0_WI32(priv->pramin_pt->gpuobj, i + 4, upper_32_bits(v)); v += 0x1000; i += 8; } -- cgit v1.2.3