radeon/winsys: increase the IB size for VM

Luckily, there is a kernel query, so use the size from that.
It currently returns 256KB. It can be increased in the kernel.

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
This commit is contained in:
Marek Olšák 2015-07-31 11:45:13 +02:00
parent d587742650
commit 567394112d
4 changed files with 17 additions and 6 deletions

View File

@ -85,17 +85,22 @@ static boolean radeon_init_cs_context(struct radeon_cs_context *csc,
{
int i;
csc->buf = MALLOC(ws->ib_max_size);
if (!csc->buf)
return FALSE;
csc->fd = ws->fd;
csc->nrelocs = 512;
csc->relocs_bo = (struct radeon_bo**)
CALLOC(1, csc->nrelocs * sizeof(struct radeon_bo*));
if (!csc->relocs_bo) {
FREE(csc->buf);
return FALSE;
}
csc->relocs = (struct drm_radeon_cs_reloc*)
CALLOC(1, csc->nrelocs * sizeof(struct drm_radeon_cs_reloc));
if (!csc->relocs) {
FREE(csc->buf);
FREE(csc->relocs_bo);
return FALSE;
}
@ -148,6 +153,7 @@ static void radeon_destroy_cs_context(struct radeon_cs_context *csc)
radeon_cs_context_cleanup(csc);
FREE(csc->relocs_bo);
FREE(csc->relocs);
FREE(csc->buf);
}
@ -188,7 +194,7 @@ radeon_drm_cs_create(struct radeon_winsys *rws,
cs->cst = &cs->csc2;
cs->base.buf = cs->csc->buf;
cs->base.ring_type = ring_type;
cs->base.max_dw = ARRAY_SIZE(cs->csc->buf);
cs->base.max_dw = ws->ib_max_size / 4;
p_atomic_inc(&ws->num_cs);
return &cs->base;

View File

@ -30,7 +30,7 @@
#include "radeon_drm_bo.h"
struct radeon_cs_context {
uint32_t buf[16 * 1024];
uint32_t *buf;
int fd;
struct drm_radeon_cs cs;

View File

@ -395,16 +395,20 @@ static boolean do_winsys_init(struct radeon_drm_winsys *ws)
}
ws->info.r600_virtual_address = FALSE;
if (ws->info.drm_minor >= 13) {
uint32_t ib_vm_max_size;
ws->ib_max_size = 64 * 1024;
if (ws->info.drm_minor >= 13) {
ws->info.r600_virtual_address = TRUE;
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_VA_START, NULL,
&ws->va_start))
ws->info.r600_virtual_address = FALSE;
if (!radeon_get_drm_value(ws->fd, RADEON_INFO_IB_VM_MAX_SIZE, NULL,
&ib_vm_max_size))
if (radeon_get_drm_value(ws->fd, RADEON_INFO_IB_VM_MAX_SIZE, NULL,
&ws->ib_max_size))
ws->ib_max_size *= 4; /* the kernel returns the size in dwords */
else
ws->info.r600_virtual_address = FALSE;
radeon_get_drm_value(ws->fd, RADEON_INFO_VA_UNMAP_WORKING, NULL,
&ws->va_unmap_working);
}

View File

@ -73,6 +73,7 @@ struct radeon_drm_winsys {
enum radeon_generation gen;
struct radeon_info info;
uint32_t ib_max_size;
uint32_t va_start;
uint32_t va_unmap_working;
uint32_t accel_working2;