diff options
Diffstat (limited to 'drivers/char/drm/r300_cmdbuf.c')
| -rw-r--r-- | drivers/char/drm/r300_cmdbuf.c | 86 |
1 files changed, 78 insertions, 8 deletions
diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c index c08fa5076f0..b108c7f913b 100644 --- a/drivers/char/drm/r300_cmdbuf.c +++ b/drivers/char/drm/r300_cmdbuf.c @@ -214,13 +214,13 @@ void r300_init_reg_flags(void) ADD_RANGE(0x4F54, 1); ADD_RANGE(R300_TX_FILTER_0, 16); - ADD_RANGE(R300_TX_UNK1_0, 16); + ADD_RANGE(R300_TX_FILTER1_0, 16); ADD_RANGE(R300_TX_SIZE_0, 16); ADD_RANGE(R300_TX_FORMAT_0, 16); ADD_RANGE(R300_TX_PITCH_0, 16); /* Texture offset is dangerous and needs more checking */ ADD_RANGE_MARK(R300_TX_OFFSET_0, 16, MARK_CHECK_OFFSET); - ADD_RANGE(R300_TX_UNK4_0, 16); + ADD_RANGE(R300_TX_CHROMA_KEY_0, 16); ADD_RANGE(R300_TX_BORDER_COLOR_0, 16); /* Sporadic registers used as primitives are emitted */ @@ -242,8 +242,10 @@ static __inline__ int r300_check_range(unsigned reg, int count) return 0; } - /* we expect offsets passed to the framebuffer to be either within video memory or - within AGP space */ +/* + * we expect offsets passed to the framebuffer to be either within video + * memory or within AGP space + */ static __inline__ int r300_check_offset(drm_radeon_private_t *dev_priv, u32 offset) { @@ -251,11 +253,11 @@ static __inline__ int r300_check_offset(drm_radeon_private_t *dev_priv, but this value is not being kept. This code is correct for now (does the same thing as the code that sets MC_FB_LOCATION) in radeon_cp.c */ - if ((offset >= dev_priv->fb_location) && - (offset < dev_priv->gart_vm_start)) + if (offset >= dev_priv->fb_location && + offset < (dev_priv->fb_location + dev_priv->fb_size)) return 0; - if ((offset >= dev_priv->gart_vm_start) && - (offset < dev_priv->gart_vm_start + dev_priv->gart_size)) + if (offset >= dev_priv->gart_vm_start && + offset < (dev_priv->gart_vm_start + dev_priv->gart_size)) return 0; return 1; } @@ -490,6 +492,7 @@ static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t *dev_priv, return 0; } + static __inline__ int r300_emit_bitblt_multi(drm_radeon_private_t *dev_priv, drm_radeon_kcmd_buffer_t *cmdbuf) { @@ -701,6 +704,64 @@ static void r300_discard_buffer(drm_device_t * dev, drm_buf_t * buf) buf->used = 0; } +static int r300_scratch(drm_radeon_private_t *dev_priv, + drm_radeon_kcmd_buffer_t *cmdbuf, + drm_r300_cmd_header_t header) +{ + u32 *ref_age_base; + u32 i, buf_idx, h_pending; + RING_LOCALS; + + if (cmdbuf->bufsz < + (sizeof(u64) + header.scratch.n_bufs * sizeof(buf_idx))) { + return DRM_ERR(EINVAL); + } + + if (header.scratch.reg >= 5) { + return DRM_ERR(EINVAL); + } + + dev_priv->scratch_ages[header.scratch.reg]++; + + ref_age_base = *(u32 **)cmdbuf->buf; + + cmdbuf->buf += sizeof(u64); + cmdbuf->bufsz -= sizeof(u64); + + for (i=0; i < header.scratch.n_bufs; i++) { + buf_idx = *(u32 *)cmdbuf->buf; + buf_idx *= 2; /* 8 bytes per buf */ + + if (DRM_COPY_TO_USER(ref_age_base + buf_idx, &dev_priv->scratch_ages[header.scratch.reg], sizeof(u32))) { + return DRM_ERR(EINVAL); + } + + if (DRM_COPY_FROM_USER(&h_pending, ref_age_base + buf_idx + 1, sizeof(u32))) { + return DRM_ERR(EINVAL); + } + + if (h_pending == 0) { + return DRM_ERR(EINVAL); + } + + h_pending--; + + if (DRM_COPY_TO_USER(ref_age_base + buf_idx + 1, &h_pending, sizeof(u32))) { + return DRM_ERR(EINVAL); + } + + cmdbuf->buf += sizeof(buf_idx); + cmdbuf->bufsz -= sizeof(buf_idx); + } + + BEGIN_RING(2); + OUT_RING(CP_PACKET0(RADEON_SCRATCH_REG0 + header.scratch.reg * 4, 0)); + OUT_RING(dev_priv->scratch_ages[header.scratch.reg]); + ADVANCE_RING(); + + return 0; +} + /** * Parses and validates a user-supplied command buffer and emits appropriate * commands on the DMA ring buffer. @@ -838,6 +899,15 @@ int r300_do_cp_cmdbuf(drm_device_t *dev, } break; + case R300_CMD_SCRATCH: + DRM_DEBUG("R300_CMD_SCRATCH\n"); + ret = r300_scratch(dev_priv, cmdbuf, header); + if (ret) { + DRM_ERROR("r300_scratch failed\n"); + goto cleanup; + } + break; + default: DRM_ERROR("bad cmd_type %i at %p\n", header.header.cmd_type, |