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path: root/drivers/video/intelfb/intelfbdrv.c
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Diffstat (limited to 'drivers/video/intelfb/intelfbdrv.c')
-rw-r--r--drivers/video/intelfb/intelfbdrv.c50
1 files changed, 27 insertions, 23 deletions
diff --git a/drivers/video/intelfb/intelfbdrv.c b/drivers/video/intelfb/intelfbdrv.c
index 298bc9cd99e7..a112a1786855 100644
--- a/drivers/video/intelfb/intelfbdrv.c
+++ b/drivers/video/intelfb/intelfbdrv.c
@@ -583,23 +583,6 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
583 return -ENODEV; 583 return -ENODEV;
584 } 584 }
585 585
586 /* Map the fb and MMIO regions */
587 dinfo->aperture.virtual = (u8 __iomem *)ioremap_nocache
588 (dinfo->aperture.physical, dinfo->aperture.size);
589 if (!dinfo->aperture.virtual) {
590 ERR_MSG("Cannot remap FB region.\n");
591 cleanup(dinfo);
592 return -ENODEV;
593 }
594 dinfo->mmio_base =
595 (u8 __iomem *)ioremap_nocache(dinfo->mmio_base_phys,
596 INTEL_REG_SIZE);
597 if (!dinfo->mmio_base) {
598 ERR_MSG("Cannot remap MMIO region.\n");
599 cleanup(dinfo);
600 return -ENODEV;
601 }
602
603 /* Get the chipset info. */ 586 /* Get the chipset info. */
604 dinfo->pci_chipset = pdev->device; 587 dinfo->pci_chipset = pdev->device;
605 588
@@ -630,9 +613,15 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
630 dinfo->accel = 0; 613 dinfo->accel = 0;
631 } 614 }
632 615
616 if (MB(voffset) < stolen_size)
617 offset = (stolen_size >> 12);
618 else
619 offset = ROUND_UP_TO_PAGE(MB(voffset))/GTT_PAGE_SIZE;
620
633 /* Framebuffer parameters - Use all the stolen memory if >= vram */ 621 /* Framebuffer parameters - Use all the stolen memory if >= vram */
634 if (ROUND_UP_TO_PAGE(stolen_size) >= MB(vram)) { 622 if (ROUND_UP_TO_PAGE(stolen_size) >= ((offset << 12) + MB(vram))) {
635 dinfo->fb.size = ROUND_UP_TO_PAGE(stolen_size); 623 dinfo->fb.size = ROUND_UP_TO_PAGE(stolen_size);
624 dinfo->fb.offset = 0;
636 dinfo->fbmem_gart = 0; 625 dinfo->fbmem_gart = 0;
637 } else { 626 } else {
638 dinfo->fb.size = MB(vram); 627 dinfo->fb.size = MB(vram);
@@ -663,11 +652,6 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
663 return -ENODEV; 652 return -ENODEV;
664 } 653 }
665 654
666 if (MB(voffset) < stolen_size)
667 offset = (stolen_size >> 12);
668 else
669 offset = ROUND_UP_TO_PAGE(MB(voffset))/GTT_PAGE_SIZE;
670
671 /* set the mem offsets - set them after the already used pages */ 655 /* set the mem offsets - set them after the already used pages */
672 if (dinfo->accel) { 656 if (dinfo->accel) {
673 dinfo->ring.offset = offset + gtt_info.current_memory; 657 dinfo->ring.offset = offset + gtt_info.current_memory;
@@ -682,6 +666,26 @@ intelfb_pci_register(struct pci_dev *pdev, const struct pci_device_id *ent)
682 + (dinfo->cursor.size >> 12); 666 + (dinfo->cursor.size >> 12);
683 } 667 }
684 668
669 /* Map the fb and MMIO regions */
670 /* ioremap only up to the end of used aperture */
671 dinfo->aperture.virtual = (u8 __iomem *)ioremap_nocache
672 (dinfo->aperture.physical, (dinfo->fb.offset << 12)
673 + dinfo->fb.size);
674 if (!dinfo->aperture.virtual) {
675 ERR_MSG("Cannot remap FB region.\n");
676 cleanup(dinfo);
677 return -ENODEV;
678 }
679
680 dinfo->mmio_base =
681 (u8 __iomem *)ioremap_nocache(dinfo->mmio_base_phys,
682 INTEL_REG_SIZE);
683 if (!dinfo->mmio_base) {
684 ERR_MSG("Cannot remap MMIO region.\n");
685 cleanup(dinfo);
686 return -ENODEV;
687 }
688
685 /* Allocate memories (which aren't stolen) */ 689 /* Allocate memories (which aren't stolen) */
686 if (dinfo->accel) { 690 if (dinfo->accel) {
687 if (!(dinfo->gtt_ring_mem = 691 if (!(dinfo->gtt_ring_mem =