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nVidia driver: for PCIe map framebuffer correctly (64bit)

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This commit is contained in:
Rudolf Cornelissen 2021-09-07 09:23:20 +00:00
parent ec16c2aedc
commit b66c201f91
1 changed files with 10 additions and 3 deletions
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13
src/add-ons/kernel/drivers/graphics/nvidia/driver.c
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@ -654,10 +654,17 @@ map_device(device_info *di)
di->pcii.vendor_id, di->pcii.device_id,
di->pcii.bus, di->pcii.device, di->pcii.function);
phys_addr_t physicalAddress = di->pcii.u.h0.base_registers_pci[frame_buffer];
if ((di->pcii.u.h0.base_register_flags[frame_buffer] & PCI_address_type)
== PCI_address_type_64) {
physicalAddress
|= (uint64)di->pcii.u.h0.base_registers_pci[frame_buffer + 1] << 32;
}
/* map the framebuffer into vmem, using Write Combining*/
si->fb_area = map_physical_memory(buffer,
/* WARNING: Nvidia needs to map framebuffer as viewed from PCI space! */
di->pcii.u.h0.base_registers_pci[frame_buffer],
physicalAddress,
di->pcii.u.h0.base_register_sizes[frame_buffer],
B_ANY_KERNEL_BLOCK_ADDRESS | B_MTR_WC,
B_READ_AREA | B_WRITE_AREA | B_CLONEABLE_AREA,
@ -667,7 +674,7 @@ map_device(device_info *di)
if (si->fb_area < 0) {
si->fb_area = map_physical_memory(buffer,
/* WARNING: Nvidia needs to map framebuffer as viewed from PCI space! */
di->pcii.u.h0.base_registers_pci[frame_buffer],
physicalAddress,
di->pcii.u.h0.base_register_sizes[frame_buffer],
B_ANY_KERNEL_BLOCK_ADDRESS,
B_READ_AREA | B_WRITE_AREA | B_CLONEABLE_AREA,
@ -683,7 +690,7 @@ map_device(device_info *di)
//fixme: retest for card coldstart and PCI/virt_mem mapping!!
/* remember the DMA address of the frame buffer for BDirectWindow?? purposes */
si->framebuffer_pci = (void *) di->pcii.u.h0.base_registers_pci[frame_buffer];
si->framebuffer_pci = (void *) physicalAddress;
/* note the amount of memory mapped by the kerneldriver so we can make sure we
* don't attempt to adress more later on */