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init gart & cp. 

git-svn-id: svn://kolibrios.org@1119 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2009-07-01 16:17:51 +00:00
parent 7b014bd444
commit e92d5a0b39
11 changed files with 687 additions and 90 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/video/drm/include/pci.h
View File

@ -554,6 +554,10 @@ int enum_pci_devices(void);
struct pci_device_id*
find_pci_device(dev_t* pdev, struct pci_device_id *idlist);
#define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
int pci_set_dma_mask(struct pci_dev *dev, u64 mask);
#define pci_name(x) "radeon"

5
drivers/video/drm/include/types.h
View File

@ -193,7 +193,12 @@ struct drm_file;
#define DRM_MEMORYBARRIER() __asm__ __volatile__("lock; addl $0,0(%esp)")
#define mb() __asm__ __volatile__("lock; addl $0,0(%esp)")
#define PAGE_SIZE 4096
#define PAGE_SHIFT 12
#define upper_32_bits(n) ((u32)(((n) >> 16) >> 16))
#endif //__TYPES_H__

9
drivers/video/drm/radeon/atom.c
View File

@ -26,6 +26,7 @@
//#include <linux/sched.h>
#include <types.h>
#include <syscall.h>
#define ATOM_DEBUG
@ -607,10 +608,10 @@ static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg)
{
uint8_t count = U8((*ptr)++);
SDEBUG(" count: %d\n", count);
// if (arg == ATOM_UNIT_MICROSEC)
// schedule_timeout_uninterruptible(usecs_to_jiffies(count));
// else
// schedule_timeout_uninterruptible(msecs_to_jiffies(count));
if (arg == ATOM_UNIT_MICROSEC)
udelay(count);
else
mdelay(count);
}
static void atom_op_div(atom_exec_context *ctx, int *ptr, int arg)

12
drivers/video/drm/radeon/pci.c
View File

@ -793,3 +793,15 @@ void *pci_map_rom(struct pci_dev *pdev, size_t *size)
return rom;
}
int
pci_set_dma_mask(struct pci_dev *dev, u64 mask)
{
// if (!pci_dma_supported(dev, mask))
// return -EIO;
dev->dma_mask = mask;
return 0;
}

8
drivers/video/drm/radeon/r100.c
View File

@ -30,7 +30,6 @@
//#include "drm.h"
#include "radeon_drm.h"
#include "radeon_microcode.h"
#include "radeon_reg.h"
#include "radeon.h"
@ -487,7 +486,6 @@ static void r100_cp_load_microcode(struct radeon_device *rdev)
}
}
int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
{
unsigned rb_bufsz;
@ -1168,7 +1166,6 @@ void r100_gpu_init(struct radeon_device *rdev)
r100_hdp_reset(rdev);
}
void r100_hdp_reset(struct radeon_device *rdev)
{
uint32_t tmp;
@ -1185,7 +1182,6 @@ void r100_hdp_reset(struct radeon_device *rdev)
(void)RREG32(RADEON_HOST_PATH_CNTL);
}
int r100_rb2d_reset(struct radeon_device *rdev)
{
uint32_t tmp;
@ -1307,6 +1303,7 @@ void r100_vram_info(struct radeon_device *rdev)
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
}
#endif
/*
* Indirect registers accessor
@ -1364,8 +1361,6 @@ void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
r100_pll_errata_after_data(rdev);
}
#endif
uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
{
if (reg < 0x10000)
@ -1376,7 +1371,6 @@ uint32_t r100_mm_rreg(struct radeon_device *rdev, uint32_t reg)
}
}
void r100_mm_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
if (reg < 0x10000)

584
drivers/video/drm/radeon/r520.c
View File

@ -47,7 +47,6 @@ int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
void r520_gpu_init(struct radeon_device *rdev);
int r520_mc_wait_for_idle(struct radeon_device *rdev);
#if 0
/*
* MC
*/
@ -56,15 +55,17 @@ int r520_mc_init(struct radeon_device *rdev)
uint32_t tmp;
int r;
if (r100_debugfs_rbbm_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for RBBM !\n");
}
if (rv515_debugfs_pipes_info_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for pipes !\n");
}
if (rv515_debugfs_ga_info_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for pipes !\n");
}
dbgprintf("%s\n",__FUNCTION__);
// if (r100_debugfs_rbbm_init(rdev)) {
// DRM_ERROR("Failed to register debugfs file for RBBM !\n");
// }
// if (rv515_debugfs_pipes_info_init(rdev)) {
// DRM_ERROR("Failed to register debugfs file for pipes !\n");
// }
// if (rv515_debugfs_ga_info_init(rdev)) {
// DRM_ERROR("Failed to register debugfs file for pipes !\n");
// }
r520_gpu_init(rdev);
rv370_pcie_gart_disable(rdev);
@ -88,9 +89,9 @@ int r520_mc_init(struct radeon_device *rdev)
}
/* Program GPU memory space */
rs600_mc_disable_clients(rdev);
if (r520_mc_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait MC idle while "
rs600_mc_disable_clients(rdev);
if (r520_mc_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait MC idle while "
"programming pipes. Bad things might happen.\n");
}
/* Write VRAM size in case we are limiting it */
@ -113,6 +114,9 @@ int r520_mc_init(struct radeon_device *rdev)
WREG32_MC(R520_MC_AGP_BASE, 0);
WREG32_MC(R520_MC_AGP_BASE_2, 0);
}
dbgprintf("done: %s\n",__FUNCTION__);
return 0;
}
@ -123,7 +127,6 @@ void r520_mc_fini(struct radeon_device *rdev)
radeon_gart_fini(rdev);
}
#endif
/*
* Global GPU functions
@ -133,7 +136,6 @@ void r520_errata(struct radeon_device *rdev)
rdev->pll_errata = 0;
}
#if 0
int r520_mc_wait_for_idle(struct radeon_device *rdev)
{
unsigned i;
@ -153,6 +155,7 @@ int r520_mc_wait_for_idle(struct radeon_device *rdev)
void r520_gpu_init(struct radeon_device *rdev)
{
unsigned pipe_select_current, gb_pipe_select, tmp;
dbgprintf("%s\n\r",__FUNCTION__);
r100_hdp_reset(rdev);
rs600_disable_vga(rdev);
@ -194,8 +197,6 @@ void r520_gpu_init(struct radeon_device *rdev)
}
}
#endif
/*
* VRAM info
@ -203,6 +204,7 @@ void r520_gpu_init(struct radeon_device *rdev)
static void r520_vram_get_type(struct radeon_device *rdev)
{
uint32_t tmp;
dbgprintf("%s\n\r",__FUNCTION__);
rdev->mc.vram_width = 128;
rdev->mc.vram_is_ddr = true;
@ -237,3 +239,551 @@ void r520_vram_info(struct radeon_device *rdev)
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
}
/*
* Global GPU functions
*/
void rs600_disable_vga(struct radeon_device *rdev)
{
unsigned tmp;
dbgprintf("%s\n\r",__FUNCTION__);
WREG32(0x330, 0);
WREG32(0x338, 0);
tmp = RREG32(0x300);
tmp &= ~(3 << 16);
WREG32(0x300, tmp);
WREG32(0x308, (1 << 8));
WREG32(0x310, rdev->mc.vram_location);
WREG32(0x594, 0);
}
void r420_pipes_init(struct radeon_device *rdev)
{
unsigned tmp;
unsigned gb_pipe_select;
unsigned num_pipes;
dbgprintf("%s\n\r",__FUNCTION__);
/* GA_ENHANCE workaround TCL deadlock issue */
WREG32(0x4274, (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3));
/* get max number of pipes */
gb_pipe_select = RREG32(0x402C);
num_pipes = ((gb_pipe_select >> 12) & 3) + 1;
rdev->num_gb_pipes = num_pipes;
tmp = 0;
switch (num_pipes) {
default:
/* force to 1 pipe */
num_pipes = 1;
case 1:
tmp = (0 << 1);
break;
case 2:
tmp = (3 << 1);
break;
case 3:
tmp = (6 << 1);
break;
case 4:
tmp = (7 << 1);
break;
}
WREG32(0x42C8, (1 << num_pipes) - 1);
/* Sub pixel 1/12 so we can have 4K rendering according to doc */
tmp |= (1 << 4) | (1 << 0);
WREG32(0x4018, tmp);
if (r100_gui_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait GUI idle while "
"programming pipes. Bad things might happen.\n");
}
tmp = RREG32(0x170C);
WREG32(0x170C, tmp | (1 << 31));
WREG32(R300_RB2D_DSTCACHE_MODE,
RREG32(R300_RB2D_DSTCACHE_MODE) |
R300_DC_AUTOFLUSH_ENABLE |
R300_DC_DC_DISABLE_IGNORE_PE);
if (r100_gui_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait GUI idle while "
"programming pipes. Bad things might happen.\n");
}
DRM_INFO("radeon: %d pipes initialized.\n", rdev->num_gb_pipes);
}
void rv370_pcie_gart_disable(struct radeon_device *rdev)
{
uint32_t tmp;
dbgprintf("%s\n\r",__FUNCTION__);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
if (rdev->gart.table.vram.robj) {
// radeon_object_kunmap(rdev->gart.table.vram.robj);
// radeon_object_unpin(rdev->gart.table.vram.robj);
}
}
void radeon_gart_table_vram_free(struct radeon_device *rdev)
{
if (rdev->gart.table.vram.robj == NULL) {
return;
}
// radeon_object_kunmap(rdev->gart.table.vram.robj);
// radeon_object_unpin(rdev->gart.table.vram.robj);
// radeon_object_unref(&rdev->gart.table.vram.robj);
}
/*
* Common gart functions.
*/
void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
int pages)
{
unsigned t;
unsigned p;
int i, j;
dbgprintf("%s\n\r",__FUNCTION__);
if (!rdev->gart.ready) {
dbgprintf("trying to unbind memory to unitialized GART !\n");
return;
}
t = offset / 4096;
p = t / (PAGE_SIZE / 4096);
for (i = 0; i < pages; i++, p++) {
if (rdev->gart.pages[p]) {
// pci_unmap_page(rdev->pdev, rdev->gart.pages_addr[p],
// PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
rdev->gart.pages[p] = NULL;
rdev->gart.pages_addr[p] = 0;
for (j = 0; j < (PAGE_SIZE / 4096); j++, t++) {
radeon_gart_set_page(rdev, t, 0);
}
}
}
mb();
radeon_gart_tlb_flush(rdev);
}
void radeon_gart_fini(struct radeon_device *rdev)
{
if (rdev->gart.pages && rdev->gart.pages_addr && rdev->gart.ready) {
/* unbind pages */
radeon_gart_unbind(rdev, 0, rdev->gart.num_cpu_pages);
}
rdev->gart.ready = false;
// kfree(rdev->gart.pages);
// kfree(rdev->gart.pages_addr);
rdev->gart.pages = NULL;
rdev->gart.pages_addr = NULL;
}
int radeon_agp_init(struct radeon_device *rdev)
{
dbgprintf("%s\n\r",__FUNCTION__);
#if __OS_HAS_AGP
struct radeon_agpmode_quirk *p = radeon_agpmode_quirk_list;
struct drm_agp_mode mode;
struct drm_agp_info info;
uint32_t agp_status;
int default_mode;
bool is_v3;
int ret;
/* Acquire AGP. */
if (!rdev->ddev->agp->acquired) {
ret = drm_agp_acquire(rdev->ddev);
if (ret) {
DRM_ERROR("Unable to acquire AGP: %d\n", ret);
return ret;
}
}
ret = drm_agp_info(rdev->ddev, &info);
if (ret) {
DRM_ERROR("Unable to get AGP info: %d\n", ret);
return ret;
}
mode.mode = info.mode;
agp_status = (RREG32(RADEON_AGP_STATUS) | RADEON_AGPv3_MODE) & mode.mode;
is_v3 = !!(agp_status & RADEON_AGPv3_MODE);
if (is_v3) {
default_mode = (agp_status & RADEON_AGPv3_8X_MODE) ? 8 : 4;
} else {
if (agp_status & RADEON_AGP_4X_MODE) {
default_mode = 4;
} else if (agp_status & RADEON_AGP_2X_MODE) {
default_mode = 2;
} else {
default_mode = 1;
}
}
/* Apply AGPMode Quirks */
while (p && p->chip_device != 0) {
if (info.id_vendor == p->hostbridge_vendor &&
info.id_device == p->hostbridge_device &&
rdev->pdev->vendor == p->chip_vendor &&
rdev->pdev->device == p->chip_device &&
rdev->pdev->subsystem_vendor == p->subsys_vendor &&
rdev->pdev->subsystem_device == p->subsys_device) {
default_mode = p->default_mode;
}
++p;
}
if (radeon_agpmode > 0) {
if ((radeon_agpmode < (is_v3 ? 4 : 1)) ||
(radeon_agpmode > (is_v3 ? 8 : 4)) ||
(radeon_agpmode & (radeon_agpmode - 1))) {
DRM_ERROR("Illegal AGP Mode: %d (valid %s), leaving at %d\n",
radeon_agpmode, is_v3 ? "4, 8" : "1, 2, 4",
default_mode);
radeon_agpmode = default_mode;
} else {
DRM_INFO("AGP mode requested: %d\n", radeon_agpmode);
}
} else {
radeon_agpmode = default_mode;
}
mode.mode &= ~RADEON_AGP_MODE_MASK;
if (is_v3) {
switch (radeon_agpmode) {
case 8:
mode.mode |= RADEON_AGPv3_8X_MODE;
break;
case 4:
default:
mode.mode |= RADEON_AGPv3_4X_MODE;
break;
}
} else {
switch (radeon_agpmode) {
case 4:
mode.mode |= RADEON_AGP_4X_MODE;
break;
case 2:
mode.mode |= RADEON_AGP_2X_MODE;
break;
case 1:
default:
mode.mode |= RADEON_AGP_1X_MODE;
break;
}
}
mode.mode &= ~RADEON_AGP_FW_MODE; /* disable fw */
ret = drm_agp_enable(rdev->ddev, mode);
if (ret) {
DRM_ERROR("Unable to enable AGP (mode = 0x%lx)\n", mode.mode);
return ret;
}
rdev->mc.agp_base = rdev->ddev->agp->agp_info.aper_base;
rdev->mc.gtt_size = rdev->ddev->agp->agp_info.aper_size << 20;
/* workaround some hw issues */
if (rdev->family < CHIP_R200) {
WREG32(RADEON_AGP_CNTL, RREG32(RADEON_AGP_CNTL) | 0x000e0000);
}
return 0;
#else
return 0;
#endif
}
void rs600_mc_disable_clients(struct radeon_device *rdev)
{
unsigned tmp;
dbgprintf("%s\n",__FUNCTION__);
if (r100_gui_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait GUI idle while "
"programming pipes. Bad things might happen.\n");
}
tmp = RREG32(AVIVO_D1VGA_CONTROL);
WREG32(AVIVO_D1VGA_CONTROL, tmp & ~AVIVO_DVGA_CONTROL_MODE_ENABLE);
tmp = RREG32(AVIVO_D2VGA_CONTROL);
WREG32(AVIVO_D2VGA_CONTROL, tmp & ~AVIVO_DVGA_CONTROL_MODE_ENABLE);
tmp = RREG32(AVIVO_D1CRTC_CONTROL);
WREG32(AVIVO_D1CRTC_CONTROL, tmp & ~AVIVO_CRTC_EN);
tmp = RREG32(AVIVO_D2CRTC_CONTROL);
WREG32(AVIVO_D2CRTC_CONTROL, tmp & ~AVIVO_CRTC_EN);
/* make sure all previous write got through */
tmp = RREG32(AVIVO_D2CRTC_CONTROL);
mdelay(1);
dbgprintf("done\n");
}
int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
{
void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
if (i < 0 || i > rdev->gart.num_gpu_pages) {
return -EINVAL;
}
addr = (((u32_t)addr) >> 8) | ((upper_32_bits(addr) & 0xff) << 4) | 0xC;
writel(cpu_to_le32(addr), ((void __iomem *)ptr) + (i * 4));
return 0;
}
int radeon_gart_init(struct radeon_device *rdev)
{
dbgprintf("%s\n",__FUNCTION__);
if (rdev->gart.pages) {
return 0;
}
/* We need PAGE_SIZE >= 4096 */
if (PAGE_SIZE < 4096) {
DRM_ERROR("Page size is smaller than GPU page size!\n");
return -EINVAL;
}
/* Compute table size */
rdev->gart.num_cpu_pages = rdev->mc.gtt_size / PAGE_SIZE;
rdev->gart.num_gpu_pages = rdev->mc.gtt_size / 4096;
DRM_INFO("GART: num cpu pages %u, num gpu pages %u\n",
rdev->gart.num_cpu_pages, rdev->gart.num_gpu_pages);
/* Allocate pages table */
rdev->gart.pages = kzalloc(sizeof(void *) * rdev->gart.num_cpu_pages,
GFP_KERNEL);
if (rdev->gart.pages == NULL) {
// radeon_gart_fini(rdev);
return -ENOMEM;
}
rdev->gart.pages_addr = kzalloc(sizeof(u32_t) *
rdev->gart.num_cpu_pages, GFP_KERNEL);
if (rdev->gart.pages_addr == NULL) {
// radeon_gart_fini(rdev);
return -ENOMEM;
}
return 0;
}
int radeon_gart_table_vram_alloc(struct radeon_device *rdev)
{
uint32_t gpu_addr;
int r;
// if (rdev->gart.table.vram.robj == NULL) {
// r = radeon_object_create(rdev, NULL,
// rdev->gart.table_size,
// true,
// RADEON_GEM_DOMAIN_VRAM,
// false, &rdev->gart.table.vram.robj);
// if (r) {
// return r;
// }
// }
// r = radeon_object_pin(rdev->gart.table.vram.robj,
// RADEON_GEM_DOMAIN_VRAM, &gpu_addr);
// if (r) {
// radeon_object_unref(&rdev->gart.table.vram.robj);
// return r;
// }
// r = radeon_object_kmap(rdev->gart.table.vram.robj,
// (void **)&rdev->gart.table.vram.ptr);
// if (r) {
// radeon_object_unpin(rdev->gart.table.vram.robj);
// radeon_object_unref(&rdev->gart.table.vram.robj);
// DRM_ERROR("radeon: failed to map gart vram table.\n");
// return r;
// }
gpu_addr = 0x800000;
u32_t pci_addr = rdev->mc.aper_base + gpu_addr;
rdev->gart.table.vram.ptr = (void*)MapIoMem(pci_addr, rdev->gart.table_size, PG_SW);
rdev->gart.table_addr = gpu_addr;
dbgprintf("alloc gart vram:\n gpu_base %x pci_base %x lin_addr %x",
gpu_addr, pci_addr, rdev->gart.table.vram.ptr);
return 0;
}
void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev);
int rv370_pcie_gart_enable(struct radeon_device *rdev)
{
uint32_t table_addr;
uint32_t tmp;
int r;
dbgprintf("%s\n",__FUNCTION__);
/* Initialize common gart structure */
r = radeon_gart_init(rdev);
if (r) {
return r;
}
// r = rv370_debugfs_pcie_gart_info_init(rdev);
// if (r) {
// DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
// }
rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
r = radeon_gart_table_vram_alloc(rdev);
if (r) {
return r;
}
/* discard memory request outside of configured range */
tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_location);
tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 4096;
WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
table_addr = rdev->gart.table_addr;
WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
/* FIXME: setup default page */
WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_location);
WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
/* Clear error */
WREG32_PCIE(0x18, 0);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
tmp |= RADEON_PCIE_TX_GART_EN;
tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
rv370_pcie_gart_tlb_flush(rdev);
DRM_INFO("PCIE GART of %uM enabled (table at 0x%08X).\n",
rdev->mc.gtt_size >> 20, table_addr);
rdev->gart.ready = true;
return 0;
}
void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
{
uint32_t tmp;
int i;
/* Workaround HW bug do flush 2 times */
for (i = 0; i < 2; i++) {
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
mb();
}
}
int r300_gart_enable(struct radeon_device *rdev)
{
#if __OS_HAS_AGP
if (rdev->flags & RADEON_IS_AGP) {
if (rdev->family > CHIP_RV350) {
rv370_pcie_gart_disable(rdev);
} else {
r100_pci_gart_disable(rdev);
}
return 0;
}
#endif
if (rdev->flags & RADEON_IS_PCIE) {
rdev->asic->gart_disable = &rv370_pcie_gart_disable;
rdev->asic->gart_tlb_flush = &rv370_pcie_gart_tlb_flush;
rdev->asic->gart_set_page = &rv370_pcie_gart_set_page;
return rv370_pcie_gart_enable(rdev);
}
// return r100_pci_gart_enable(rdev);
}
int radeon_fence_driver_init(struct radeon_device *rdev)
{
unsigned long irq_flags;
int r;
// write_lock_irqsave(&rdev->fence_drv.lock, irq_flags);
r = radeon_scratch_get(rdev, &rdev->fence_drv.scratch_reg);
if (r) {
DRM_ERROR("Fence failed to get a scratch register.");
// write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags);
return r;
}
WREG32(rdev->fence_drv.scratch_reg, 0);
// atomic_set(&rdev->fence_drv.seq, 0);
// INIT_LIST_HEAD(&rdev->fence_drv.created);
// INIT_LIST_HEAD(&rdev->fence_drv.emited);
// INIT_LIST_HEAD(&rdev->fence_drv.signaled);
rdev->fence_drv.count_timeout = 0;
// init_waitqueue_head(&rdev->fence_drv.queue);
// write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags);
// if (radeon_debugfs_fence_init(rdev)) {
// DRM_ERROR("Failed to register debugfs file for fence !\n");
// }
return 0;
}
int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
int pages, u32_t *pagelist)
{
unsigned t;
unsigned p;
uint64_t page_base;
int i, j;
dbgprintf("%s\n\r",__FUNCTION__);
if (!rdev->gart.ready) {
DRM_ERROR("trying to bind memory to unitialized GART !\n");
return -EINVAL;
}
t = offset / 4096;
p = t / (PAGE_SIZE / 4096);
for (i = 0; i < pages; i++, p++) {
/* we need to support large memory configurations */
/* assume that unbind have already been call on the range */
rdev->gart.pages_addr[p] = pagelist[i] & ~4095;
//if (pci_dma_mapping_error(rdev->pdev, rdev->gart.pages_addr[p])) {
// /* FIXME: failed to map page (return -ENOMEM?) */
// radeon_gart_unbind(rdev, offset, pages);
// return -ENOMEM;
//}
rdev->gart.pages[p] = pagelist[i];
page_base = (uint32_t)rdev->gart.pages_addr[p];
for (j = 0; j < (PAGE_SIZE / 4096); j++, t++) {
radeon_gart_set_page(rdev, t, page_base);
page_base += 4096;
}
}
mb();
radeon_gart_tlb_flush(rdev);
dbgprintf("done %s\n",__FUNCTION__);
return 0;
}

8
drivers/video/drm/radeon/radeon.h
View File

@ -255,8 +255,8 @@ int radeon_gart_init(struct radeon_device *rdev);
void radeon_gart_fini(struct radeon_device *rdev);
void radeon_gart_unbind(struct radeon_device *rdev, unsigned offset,
int pages);
int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
int pages, struct page **pagelist);
//int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
// int pages, struct page **pagelist);
/*
@ -527,7 +527,7 @@ struct radeon_device {
struct radeon_gart gart;
struct radeon_mode_info mode_info;
struct radeon_scratch scratch;
// struct radeon_mman mman;
// struct radeon_mman mman;
struct radeon_fence_driver fence_drv;
struct radeon_cp cp;
struct radeon_ib_pool ib_pool;
@ -1066,6 +1066,8 @@ struct drm_device {
void *dev_private; /**< device private data */
void *mm_private;
// struct address_space *dev_mapping;
struct drm_mode_config mode_config; /**< Current mode config */
};

18
drivers/video/drm/radeon/radeon_asic.h
View File

@ -401,18 +401,18 @@ static struct radeon_asic r520_asic = {
.errata = &r520_errata,
.vram_info = &r520_vram_info,
.gpu_reset = &rv515_gpu_reset,
// .mc_init = &r520_mc_init,
// .mc_fini = &r520_mc_fini,
.mc_init = &r520_mc_init,
.mc_fini = &r520_mc_fini,
// .wb_init = &r100_wb_init,
// .wb_fini = &r100_wb_fini,
// .gart_enable = &r300_gart_enable,
// .gart_disable = &rv370_pcie_gart_disable,
// .gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
// .gart_set_page = &rv370_pcie_gart_set_page,
// .cp_init = &r100_cp_init,
// .cp_fini = &r100_cp_fini,
.gart_enable = &r300_gart_enable,
.gart_disable = &rv370_pcie_gart_disable,
.gart_tlb_flush = &rv370_pcie_gart_tlb_flush,
.gart_set_page = &rv370_pcie_gart_set_page,
.cp_init = &r100_cp_init,
// .cp_fini = &r100_cp_fini,
// .cp_disable = &r100_cp_disable,
// .ring_start = &rv515_ring_start,
.ring_start = &rv515_ring_start,
// .irq_set = &r100_irq_set,
// .irq_process = &r100_irq_process,
// .fence_ring_emit = &r300_fence_ring_emit,

78
drivers/video/drm/radeon/radeon_device.c
View File

@ -228,7 +228,6 @@ void radeon_invalid_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
BUG_ON(1);
}
void radeon_register_accessor_init(struct radeon_device *rdev)
{
@ -251,13 +250,13 @@ void radeon_register_accessor_init(struct radeon_device *rdev)
// rdev->pcie_wreg = &rv370_pcie_wreg;
}
if (rdev->family >= CHIP_RV515) {
// rdev->pcie_rreg = &rv515_pcie_rreg;
// rdev->pcie_wreg = &rv515_pcie_wreg;
rdev->pcie_rreg = &rv515_pcie_rreg;
rdev->pcie_wreg = &rv515_pcie_wreg;
}
/* FIXME: not sure here */
if (rdev->family <= CHIP_R580) {
// rdev->pll_rreg = &r100_pll_rreg;
// rdev->pll_wreg = &r100_pll_wreg;
rdev->pll_rreg = &r100_pll_rreg;
rdev->pll_wreg = &r100_pll_wreg;
}
if (rdev->family >= CHIP_RV515) {
rdev->mc_rreg = &rv515_mc_rreg;
@ -447,7 +446,7 @@ int radeon_atombios_init(struct radeon_device *rdev)
void radeon_atombios_fini(struct radeon_device *rdev)
{
free(rdev->mode_info.atom_context);
kfree(rdev->mode_info.atom_context);
}
int radeon_combios_init(struct radeon_device *rdev)
@ -463,7 +462,7 @@ void radeon_combios_fini(struct radeon_device *rdev)
int radeon_modeset_init(struct radeon_device *rdev);
void radeon_modeset_fini(struct radeon_device *rdev);
void *ring_buffer;
/*
* Radeon device.
*/
@ -493,6 +492,8 @@ int radeon_device_init(struct radeon_device *rdev,
// mutex_init(&rdev->cp.mutex);
// rwlock_init(&rdev->fence_drv.lock);
ring_buffer = CreateRingBuffer( 1024*1024, PG_SW );
if (radeon_agpmode == -1) {
rdev->flags &= ~RADEON_IS_AGP;
if (rdev->family > CHIP_RV515 ||
@ -521,10 +522,10 @@ int radeon_device_init(struct radeon_device *rdev,
}
/* Report DMA addressing limitation */
// r = pci_set_dma_mask(rdev->pdev, DMA_BIT_MASK(32));
// if (r) {
// printk(KERN_WARNING "radeon: No suitable DMA available.\n");
// }
r = pci_set_dma_mask(rdev->pdev, DMA_BIT_MASK(32));
if (r) {
printk(KERN_WARNING "radeon: No suitable DMA available.\n");
}
/* Registers mapping */
/* TODO: block userspace mapping of io register */
@ -565,13 +566,10 @@ int radeon_device_init(struct radeon_device *rdev,
return r;
}
}
/* Reset gpu before posting otherwise ATOM will enter infinite loop */
if (radeon_gpu_reset(rdev)) {
/* FIXME: what do we want to do here ? */
}
/* check if cards are posted or not */
if (!radeon_card_posted(rdev) && rdev->bios) {
DRM_INFO("GPU not posted. posting now...\n");
@ -605,45 +603,47 @@ int radeon_device_init(struct radeon_device *rdev,
return r;
}
#if 0
/* Initialize memory controller (also test AGP) */
r = radeon_mc_init(rdev);
if (r) {
return r;
}
};
/* Fence driver */
r = radeon_fence_driver_init(rdev);
if (r) {
return r;
}
r = radeon_irq_kms_init(rdev);
if (r) {
return r;
}
// r = radeon_fence_driver_init(rdev);
// if (r) {
// return r;
// }
// r = radeon_irq_kms_init(rdev);
// if (r) {
// return r;
// }
/* Memory manager */
r = radeon_object_init(rdev);
if (r) {
return r;
}
// r = radeon_object_init(rdev);
// if (r) {
// return r;
// }
/* Initialize GART (initialize after TTM so we can allocate
* memory through TTM but finalize after TTM) */
r = radeon_gart_enable(rdev);
if (!r) {
r = radeon_gem_init(rdev);
}
// if (!r) {
// r = radeon_gem_init(rdev);
// }
/* 1M ring buffer */
if (!r) {
r = radeon_cp_init(rdev, 1024 * 1024);
}
if (!r) {
r = radeon_wb_init(rdev);
if (r) {
DRM_ERROR("radeon: failled initializing WB (%d).\n", r);
return r;
}
}
// if (!r) {
// r = radeon_wb_init(rdev);
// if (r) {
// DRM_ERROR("radeon: failled initializing WB (%d).\n", r);
// return r;
// }
// }
#if 0
if (!r) {
r = radeon_ib_pool_init(rdev);
if (r) {

42
drivers/video/drm/radeon/radeon_ring.c
View File

@ -32,6 +32,8 @@
#include "radeon.h"
#include "atom.h"
extern void * ring_buffer;
#if 0
int radeon_debugfs_ib_init(struct radeon_device *rdev);
@ -287,7 +289,6 @@ int radeon_ib_test(struct radeon_device *rdev)
#endif
/*
* Ring.
*/
@ -360,7 +361,7 @@ int radeon_ring_test(struct radeon_device *rdev)
unsigned i;
int r;
dbgprintf("%s\n\r",__FUNCTION__);
dbgprintf("%s\n",__FUNCTION__);
r = radeon_scratch_get(rdev, &scratch);
if (r) {
@ -377,14 +378,14 @@ int radeon_ring_test(struct radeon_device *rdev)
radeon_ring_write(rdev, PACKET0(scratch, 0));
radeon_ring_write(rdev, 0xDEADBEEF);
radeon_ring_unlock_commit(rdev);
for (i = 0; i < rdev->usec_timeout; i++) {
for (i = 0; i < 100000; i++) {
tmp = RREG32(scratch);
if (tmp == 0xDEADBEEF) {
break;
}
DRM_UDELAY(1);
DRM_UDELAY(1);
}
if (i < rdev->usec_timeout) {
if (i < 100000) {
DRM_INFO("ring test succeeded in %d usecs\n", i);
} else {
DRM_ERROR("radeon: ring test failed (sracth(0x%04X)=0x%08X)\n",
@ -392,15 +393,23 @@ int radeon_ring_test(struct radeon_device *rdev)
r = -EINVAL;
}
radeon_scratch_free(rdev, scratch);
dbgprintf("done %s\n",__FUNCTION__);
return r;
}
int radeon_gart_bind(struct radeon_device *rdev, unsigned offset,
int pages, u32_t *pagelist);
#define page_tabs 0xFDC00000
int radeon_ring_init(struct radeon_device *rdev, unsigned ring_size)
{
int r;
dbgprintf("%s\n\r",__FUNCTION__);
dbgprintf("%s\n",__FUNCTION__);
rdev->cp.ring_size = ring_size;
@ -435,10 +444,27 @@ int radeon_ring_init(struct radeon_device *rdev, unsigned ring_size)
}
#endif
rdev->cp.ring = CreateRingBuffer( ring_size, PG_SW);
rdev->cp.gpu_addr = GetPgAddr(rdev->cp.ring);
dbgprintf("ring size %x\n", ring_size);
dbgprintf("ring buffer %x\n", rdev->cp.ring );
rdev->cp.ring = ring_buffer; //CreateRingBuffer( ring_size, PG_SW );
dbgprintf("ring buffer %x\n", rdev->cp.ring );
rdev->cp.gpu_addr = rdev->mc.gtt_location;
u32_t *pagelist = &((u32_t*)page_tabs)[(u32_t)rdev->cp.ring >> 12];
dbgprintf("pagelist %x\n", pagelist);
radeon_gart_bind(rdev, 0, ring_size / 4096, pagelist);
rdev->cp.ptr_mask = (rdev->cp.ring_size / 4) - 1;
rdev->cp.ring_free_dw = rdev->cp.ring_size / 4;
dbgprintf("done %s\n",__FUNCTION__);
return 0;
}

9
drivers/video/drm/radeon/rv515.c
View File

@ -130,6 +130,7 @@ void rv515_mc_fini(struct radeon_device *rdev)
radeon_gart_fini(rdev);
}
#endif
/*
* Global GPU functions
@ -139,6 +140,7 @@ void rv515_ring_start(struct radeon_device *rdev)
unsigned gb_tile_config;
int r;
dbgprintf("%s\n\r",__FUNCTION__);
/* Sub pixel 1/12 so we can have 4K rendering according to doc */
gb_tile_config = R300_ENABLE_TILING | R300_TILE_SIZE_16;
switch (rdev->num_gb_pipes) {
@ -228,6 +230,9 @@ void rv515_ring_start(struct radeon_device *rdev)
radeon_ring_write(rdev, PACKET0(0x20C8, 0));
radeon_ring_write(rdev, 0);
radeon_ring_unlock_commit(rdev);
dbgprintf("done %s\n\r",__FUNCTION__);
}
void rv515_errata(struct radeon_device *rdev)
@ -251,6 +256,7 @@ int rv515_mc_wait_for_idle(struct radeon_device *rdev)
return -1;
}
#if 0
void rv515_gpu_init(struct radeon_device *rdev)
{
unsigned pipe_select_current, gb_pipe_select, tmp;
@ -340,7 +346,6 @@ int rv515_ga_reset(struct radeon_device *rdev)
return -1;
}
int rv515_gpu_reset(struct radeon_device *rdev)
{
uint32_t status;
@ -374,7 +379,6 @@ int rv515_gpu_reset(struct radeon_device *rdev)
return 0;
}
#if 0
/*
* VRAM info
@ -409,7 +413,6 @@ void rv515_vram_info(struct radeon_device *rdev)
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
}
#endif
/*
* Indirect registers accessor