From 60fd99e3682c5acc74d58ed61dac93526d6976f7 Mon Sep 17 00:00:00 2001 From: Eric Anholt Date: Wed, 3 Dec 2008 22:50:02 -0800 Subject: [PATCH] drm/i915: Fix stolen memory detection on G45 and GM45. Signed-off-by: Eric Anholt Signed-off-by: Dave Airlie --- drivers/gpu/drm/i915/i915_dma.c | 14 +++++++++----- drivers/gpu/drm/i915/i915_drv.h | 3 ++- 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index b5d0809eecb..0dee776b91f 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -821,7 +821,7 @@ static int i915_set_status_page(struct drm_device *dev, void *data, * some RAM for the framebuffer at early boot. This code figures out * how much was set aside so we can use it for our own purposes. */ -int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size, +int i915_probe_agp(struct drm_device *dev, unsigned long *aperture_size, unsigned long *preallocated_size) { struct pci_dev *bridge_dev; @@ -841,7 +841,7 @@ int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size, *aperture_size = 1024 * 1024; *preallocated_size = 1024 * 1024; - switch (pdev->device) { + switch (dev->pdev->device) { case PCI_DEVICE_ID_INTEL_82830_CGC: case PCI_DEVICE_ID_INTEL_82845G_IG: case PCI_DEVICE_ID_INTEL_82855GM_IG: @@ -853,7 +853,7 @@ int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size, break; default: /* 9xx supports large sizes, just look at the length */ - *aperture_size = pci_resource_len(pdev, 2); + *aperture_size = pci_resource_len(dev->pdev, 2); break; } @@ -861,7 +861,11 @@ int i915_probe_agp(struct pci_dev *pdev, unsigned long *aperture_size, * Some of the preallocated space is taken by the GTT * and popup. GTT is 1K per MB of aperture size, and popup is 4K. */ - overhead = (*aperture_size / 1024) + 4096; + if (IS_G4X(dev)) + overhead = 4096; + else + overhead = (*aperture_size / 1024) + 4096; + switch (tmp & INTEL_855_GMCH_GMS_MASK) { case INTEL_855_GMCH_GMS_STOLEN_1M: break; /* 1M already */ @@ -913,7 +917,7 @@ static int i915_load_modeset_init(struct drm_device *dev) else dev_priv->cursor_needs_physical = false; - i915_probe_agp(dev->pdev, &agp_size, &prealloc_size); + i915_probe_agp(dev, &agp_size, &prealloc_size); /* Basic memrange allocator for stolen space (aka vram) */ drm_mm_init(&dev_priv->vram, 0, prealloc_size); diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 6f18ee68d06..cc266058055 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -746,7 +746,8 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller); #define IS_G4X(dev) ((dev)->pci_device == 0x2E02 || \ (dev)->pci_device == 0x2E12 || \ - (dev)->pci_device == 0x2E22) + (dev)->pci_device == 0x2E22 || \ + IS_GM45(dev)) #define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \ (dev)->pci_device == 0x29B2 || \ -- 2.41.0