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Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

Browse Source 
* 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  drm/radeon/kms: fix r100->r500 CS checker for compressed textures. (v2)
  drm/radeon/kms: allow for texture tiling
  drm/radeon/kms: init pm on all chipsets
  drm/radeon/kms: HDMI support for R600 KMS
  drm/radeon/kms: make sure mc is initialized before mapping blit bo
  drm/radeon/kms: Return to userspace on ERESTARTSYS
  drm/radeon/gem: don't leak a gem object if reserve fails on get tiling (v2)
  drm/radeon/kms: don't report allocate failure on ERESTARTSYS
  drm/radeon/kms: Check if bo we got from ttm are radeon object or not
  drm/radeon/kms: If no placement is supplied fallback to system
  drm/ttm: Fix memory type manager debug information printing
  drm/ttm: Fix printk format & compute bo->mem.size at bo initialization
  drm/ttm: Fix potential ttm_mem_evict_first races.
  drm/ttm: Delayed delete fixes.
  drm/ttm: fix two bugs in new placement routines.
  drm/ttm: fix incorrect logic in ttm_bo_io path
  drm/nouveau: remove use of -ERESTART
  nouveau: Fix endianness with new context program loader
  drm/nouveau: fix build with CONFIG_AGP=n
  drm/nouveau: fix ch7006 build
This commit is contained in:
Linus Torvalds 2009-12-16 10:30:17 -08:00
commit c5113e3d66
28 changed files with 1118 additions and 92 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/gpu/drm/nouveau/Kconfig
View File

@ -30,11 +30,12 @@ config DRM_NOUVEAU_DEBUG
via debugfs.
menu "I2C encoder or helper chips"
depends on DRM
depends on DRM && I2C
config DRM_I2C_CH7006
tristate "Chrontel ch7006 TV encoder"
default m if DRM_NOUVEAU
depends on DRM_NOUVEAU
default m
help
Support for Chrontel ch7006 and similar TV encoders, found
on some nVidia video cards.

2
drivers/gpu/drm/nouveau/nouveau_bo.c
View File

@ -311,8 +311,10 @@ nouveau_bo_create_ttm_backend_entry(struct ttm_bo_device *bdev)
struct drm_device *dev = dev_priv->dev;
switch (dev_priv->gart_info.type) {
#if __OS_HAS_AGP
case NOUVEAU_GART_AGP:
return ttm_agp_backend_init(bdev, dev->agp->bridge);
#endif
case NOUVEAU_GART_SGDMA:
return nouveau_sgdma_init_ttm(dev);
default:

2
drivers/gpu/drm/nouveau/nouveau_fence.c
View File

@ -205,7 +205,7 @@ nouveau_fence_wait(void *sync_obj, void *sync_arg, bool lazy, bool intr)
schedule_timeout(1);
if (intr && signal_pending(current)) {
ret = -ERESTART;
ret = -ERESTARTSYS;
break;
}
}

7
drivers/gpu/drm/nouveau/nouveau_gem.c
View File

@ -342,8 +342,6 @@ retry:
}
ret = ttm_bo_wait_cpu(&nvbo->bo, false);
if (ret == -ERESTART)
ret = -EAGAIN;
if (ret)
return ret;
goto retry;
@ -915,8 +913,6 @@ nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
goto out;
ret = ttm_bo_wait_cpu(&nvbo->bo, no_wait);
if (ret == -ERESTART)
ret = -EAGAIN;
if (ret)
goto out;
}
@ -925,9 +921,6 @@ nouveau_gem_ioctl_cpu_prep(struct drm_device *dev, void *data,
ret = ttm_bo_wait(&nvbo->bo, false, false, no_wait);
} else {
ret = ttm_bo_synccpu_write_grab(&nvbo->bo, no_wait);
if (ret == -ERESTART)
ret = -EAGAIN;
else
if (ret == 0)
nvbo->cpu_filp = file_priv;
}

4
drivers/gpu/drm/nouveau/nouveau_mem.c
View File

@ -407,6 +407,7 @@ uint64_t nouveau_mem_fb_amount(struct drm_device *dev)
return 0;
}
#if __OS_HAS_AGP
static void nouveau_mem_reset_agp(struct drm_device *dev)
{
uint32_t saved_pci_nv_1, saved_pci_nv_19, pmc_enable;
@ -432,10 +433,12 @@ static void nouveau_mem_reset_agp(struct drm_device *dev)
nv_wr32(dev, NV04_PBUS_PCI_NV_19, saved_pci_nv_19);
nv_wr32(dev, NV04_PBUS_PCI_NV_1, saved_pci_nv_1);
}
#endif
int
nouveau_mem_init_agp(struct drm_device *dev)
{
#if __OS_HAS_AGP
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct drm_agp_info info;
struct drm_agp_mode mode;
@ -471,6 +474,7 @@ nouveau_mem_init_agp(struct drm_device *dev)
dev_priv->gart_info.type = NOUVEAU_GART_AGP;
dev_priv->gart_info.aper_base = info.aperture_base;
dev_priv->gart_info.aper_size = info.aperture_size;
#endif
return 0;
}

20
drivers/gpu/drm/nouveau/nv40_graph.c
View File

@ -252,8 +252,9 @@ nv40_grctx_init(struct drm_device *dev)
memcpy(pgraph->ctxprog, fw->data, fw->size);
cp = pgraph->ctxprog;
if (cp->signature != 0x5043564e || cp->version != 0 ||
cp->length != ((fw->size - 7) / 4)) {
if (le32_to_cpu(cp->signature) != 0x5043564e ||
cp->version != 0 ||
le16_to_cpu(cp->length) != ((fw->size - 7) / 4)) {
NV_ERROR(dev, "ctxprog invalid\n");
release_firmware(fw);
nv40_grctx_fini(dev);
@ -281,8 +282,9 @@ nv40_grctx_init(struct drm_device *dev)
memcpy(pgraph->ctxvals, fw->data, fw->size);
cv = (void *)pgraph->ctxvals;
if (cv->signature != 0x5643564e || cv->version != 0 ||
cv->length != ((fw->size - 9) / 8)) {
if (le32_to_cpu(cv->signature) != 0x5643564e ||
cv->version != 0 ||
le32_to_cpu(cv->length) != ((fw->size - 9) / 8)) {
NV_ERROR(dev, "ctxvals invalid\n");
release_firmware(fw);
nv40_grctx_fini(dev);
@ -294,8 +296,9 @@ nv40_grctx_init(struct drm_device *dev)
cp = pgraph->ctxprog;
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
for (i = 0; i < cp->length; i++)
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp->data[i]);
for (i = 0; i < le16_to_cpu(cp->length); i++)
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA,
le32_to_cpu(cp->data[i]));
pgraph->accel_blocked = false;
return 0;
@ -329,8 +332,9 @@ nv40_grctx_vals_load(struct drm_device *dev, struct nouveau_gpuobj *ctx)
if (!cv)
return;
for (i = 0; i < cv->length; i++)
nv_wo32(dev, ctx, cv->data[i].offset, cv->data[i].value);
for (i = 0; i < le32_to_cpu(cv->length); i++)
nv_wo32(dev, ctx, le32_to_cpu(cv->data[i].offset),
le32_to_cpu(cv->data[i].value));
}
/*

2
drivers/gpu/drm/radeon/Makefile
View File

@ -49,7 +49,7 @@ radeon-y += radeon_device.o radeon_kms.o \
radeon_cs.o radeon_bios.o radeon_benchmark.o r100.o r300.o r420.o \
rs400.o rs600.o rs690.o rv515.o r520.o r600.o rv770.o radeon_test.o \
r200.o radeon_legacy_tv.o r600_cs.o r600_blit.o r600_blit_shaders.o \
r600_blit_kms.o radeon_pm.o atombios_dp.o
r600_blit_kms.o radeon_pm.o atombios_dp.o r600_audio.o r600_hdmi.o
radeon-$(CONFIG_COMPAT) += radeon_ioc32.o

54
drivers/gpu/drm/radeon/r100.c
View File

@ -1374,7 +1374,6 @@ static int r100_packet0_check(struct radeon_cs_parser *p,
case RADEON_TXFORMAT_ARGB4444:
case RADEON_TXFORMAT_VYUY422:
case RADEON_TXFORMAT_YVYU422:
case RADEON_TXFORMAT_DXT1:
case RADEON_TXFORMAT_SHADOW16:
case RADEON_TXFORMAT_LDUDV655:
case RADEON_TXFORMAT_DUDV88:
@ -1382,12 +1381,19 @@ static int r100_packet0_check(struct radeon_cs_parser *p,
break;
case RADEON_TXFORMAT_ARGB8888:
case RADEON_TXFORMAT_RGBA8888:
case RADEON_TXFORMAT_DXT23:
case RADEON_TXFORMAT_DXT45:
case RADEON_TXFORMAT_SHADOW32:
case RADEON_TXFORMAT_LDUDUV8888:
track->textures[i].cpp = 4;
break;
case RADEON_TXFORMAT_DXT1:
track->textures[i].cpp = 1;
track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
break;
case RADEON_TXFORMAT_DXT23:
case RADEON_TXFORMAT_DXT45:
track->textures[i].cpp = 1;
track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
break;
}
track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);
track->textures[i].cube_info[4].height = 1 << ((idx_value >> 20) & 0xf);
@ -2731,6 +2737,7 @@ static inline void r100_cs_track_texture_print(struct r100_cs_track_texture *t)
DRM_ERROR("coordinate type %d\n", t->tex_coord_type);
DRM_ERROR("width round to power of 2 %d\n", t->roundup_w);
DRM_ERROR("height round to power of 2 %d\n", t->roundup_h);
DRM_ERROR("compress format %d\n", t->compress_format);
}
static int r100_cs_track_cube(struct radeon_device *rdev,
@ -2760,6 +2767,36 @@ static int r100_cs_track_cube(struct radeon_device *rdev,
return 0;
}
static int r100_track_compress_size(int compress_format, int w, int h)
{
int block_width, block_height, block_bytes;
int wblocks, hblocks;
int min_wblocks;
int sz;
block_width = 4;
block_height = 4;
switch (compress_format) {
case R100_TRACK_COMP_DXT1:
block_bytes = 8;
min_wblocks = 4;
break;
default:
case R100_TRACK_COMP_DXT35:
block_bytes = 16;
min_wblocks = 2;
break;
}
hblocks = (h + block_height - 1) / block_height;
wblocks = (w + block_width - 1) / block_width;
if (wblocks < min_wblocks)
wblocks = min_wblocks;
sz = wblocks * hblocks * block_bytes;
return sz;
}
static int r100_cs_track_texture_check(struct radeon_device *rdev,
struct r100_cs_track *track)
{
@ -2797,9 +2834,15 @@ static int r100_cs_track_texture_check(struct radeon_device *rdev,
h = h / (1 << i);
if (track->textures[u].roundup_h)
h = roundup_pow_of_two(h);
size += w * h;
if (track->textures[u].compress_format) {
size += r100_track_compress_size(track->textures[u].compress_format, w, h);
/* compressed textures are block based */
} else
size += w * h;
}
size *= track->textures[u].cpp;
switch (track->textures[u].tex_coord_type) {
case 0:
break;
@ -2967,6 +3010,7 @@ void r100_cs_track_clear(struct radeon_device *rdev, struct r100_cs_track *track
track->arrays[i].esize = 0x7F;
}
for (i = 0; i < track->num_texture; i++) {
track->textures[i].compress_format = R100_TRACK_COMP_NONE;
track->textures[i].pitch = 16536;
track->textures[i].width = 16536;
track->textures[i].height = 16536;
@ -3399,6 +3443,8 @@ int r100_init(struct radeon_device *rdev)
r100_errata(rdev);
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Initialize power management */
radeon_pm_init(rdev);
/* Get vram informations */
r100_vram_info(rdev);
/* Initialize memory controller (also test AGP) */

5
drivers/gpu/drm/radeon/r100_track.h
View File

@ -28,6 +28,10 @@ struct r100_cs_cube_info {
unsigned height;
};
#define R100_TRACK_COMP_NONE 0
#define R100_TRACK_COMP_DXT1 1
#define R100_TRACK_COMP_DXT35 2
struct r100_cs_track_texture {
struct radeon_bo *robj;
struct r100_cs_cube_info cube_info[5]; /* info for 5 non-primary faces */
@ -44,6 +48,7 @@ struct r100_cs_track_texture {
bool enabled;
bool roundup_w;
bool roundup_h;
unsigned compress_format;
};
struct r100_cs_track_limits {

10
drivers/gpu/drm/radeon/r200.c
View File

@ -401,7 +401,6 @@ int r200_packet0_check(struct radeon_cs_parser *p,
case R200_TXFORMAT_Y8:
track->textures[i].cpp = 1;
break;
case R200_TXFORMAT_DXT1:
case R200_TXFORMAT_AI88:
case R200_TXFORMAT_ARGB1555:
case R200_TXFORMAT_RGB565:
@ -418,9 +417,16 @@ int r200_packet0_check(struct radeon_cs_parser *p,
case R200_TXFORMAT_ABGR8888:
case R200_TXFORMAT_BGR111110:
case R200_TXFORMAT_LDVDU8888:
track->textures[i].cpp = 4;
break;
case R200_TXFORMAT_DXT1:
track->textures[i].cpp = 1;
track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
break;
case R200_TXFORMAT_DXT23:
case R200_TXFORMAT_DXT45:
track->textures[i].cpp = 4;
track->textures[i].cpp = 1;
track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
break;
}
track->textures[i].cube_info[4].width = 1 << ((idx_value >> 16) & 0xf);

24
drivers/gpu/drm/radeon/r300.c
View File

@ -686,7 +686,15 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
r100_cs_dump_packet(p, pkt);
return r;
}
ib[idx] = idx_value + ((u32)reloc->lobj.gpu_offset);
if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
tile_flags |= R300_TXO_MACRO_TILE;
if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
tile_flags |= R300_TXO_MICRO_TILE;
tmp = idx_value + ((u32)reloc->lobj.gpu_offset);
tmp |= tile_flags;
ib[idx] = tmp;
track->textures[i].robj = reloc->robj;
break;
/* Tracked registers */
@ -852,7 +860,6 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
case R300_TX_FORMAT_Z6Y5X5:
case R300_TX_FORMAT_W4Z4Y4X4:
case R300_TX_FORMAT_W1Z5Y5X5:
case R300_TX_FORMAT_DXT1:
case R300_TX_FORMAT_D3DMFT_CxV8U8:
case R300_TX_FORMAT_B8G8_B8G8:
case R300_TX_FORMAT_G8R8_G8B8:
@ -866,8 +873,6 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
case 0x17:
case R300_TX_FORMAT_FL_I32:
case 0x1e:
case R300_TX_FORMAT_DXT3:
case R300_TX_FORMAT_DXT5:
track->textures[i].cpp = 4;
break;
case R300_TX_FORMAT_W16Z16Y16X16:
@ -878,6 +883,15 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
case R300_TX_FORMAT_FL_R32G32B32A32:
track->textures[i].cpp = 16;
break;
case R300_TX_FORMAT_DXT1:
track->textures[i].cpp = 1;
track->textures[i].compress_format = R100_TRACK_COMP_DXT1;
break;
case R300_TX_FORMAT_DXT3:
case R300_TX_FORMAT_DXT5:
track->textures[i].cpp = 1;
track->textures[i].compress_format = R100_TRACK_COMP_DXT35;
break;
default:
DRM_ERROR("Invalid texture format %u\n",
(idx_value & 0x1F));
@ -1324,6 +1338,8 @@ int r300_init(struct radeon_device *rdev)
r300_errata(rdev);
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Initialize power management */
radeon_pm_init(rdev);
/* Get vram informations */
r300_vram_info(rdev);
/* Initialize memory controller (also test AGP) */

19
drivers/gpu/drm/radeon/r600.c
View File

@ -1863,6 +1863,14 @@ int r600_startup(struct radeon_device *rdev)
}
r600_gpu_init(rdev);
if (!rdev->r600_blit.shader_obj) {
r = r600_blit_init(rdev);
if (r) {
DRM_ERROR("radeon: failed blitter (%d).\n", r);
return r;
}
}
r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
if (unlikely(r != 0))
return r;
@ -2038,12 +2046,6 @@ int r600_init(struct radeon_device *rdev)
if (r)
return r;
r = r600_blit_init(rdev);
if (r) {
DRM_ERROR("radeon: failed blitter (%d).\n", r);
return r;
}
rdev->accel_working = true;
r = r600_startup(rdev);
if (r) {
@ -2065,6 +2067,10 @@ int r600_init(struct radeon_device *rdev)
rdev->accel_working = false;
}
}
r = r600_audio_init(rdev);
if (r)
return r; /* TODO error handling */
return 0;
}
@ -2073,6 +2079,7 @@ void r600_fini(struct radeon_device *rdev)
/* Suspend operations */
r600_suspend(rdev);
r600_audio_fini(rdev);
r600_blit_fini(rdev);
r600_irq_fini(rdev);
radeon_irq_kms_fini(rdev);

267
drivers/gpu/drm/radeon/r600_audio.c Normal file
View File

@ -0,0 +1,267 @@
/*
* Copyright 2008 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat Inc.
* Copyright 2009 Christian König.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Christian König
*/
#include "drmP.h"
#include "radeon.h"
#include "radeon_reg.h"
#include "atom.h"
#define AUDIO_TIMER_INTERVALL 100 /* 1/10 sekund should be enough */
/*
* check if the chipset is supported
*/
static int r600_audio_chipset_supported(struct radeon_device *rdev)
{
return rdev->family >= CHIP_R600
|| rdev->family == CHIP_RS600
|| rdev->family == CHIP_RS690
|| rdev->family == CHIP_RS740;
}
/*
* current number of channels
*/
static int r600_audio_channels(struct radeon_device *rdev)
{
return (RREG32(R600_AUDIO_RATE_BPS_CHANNEL) & 0x7) + 1;
}
/*
* current bits per sample
*/
static int r600_audio_bits_per_sample(struct radeon_device *rdev)
{
uint32_t value = (RREG32(R600_AUDIO_RATE_BPS_CHANNEL) & 0xF0) >> 4;
switch (value) {
case 0x0: return 8;
case 0x1: return 16;
case 0x2: return 20;
case 0x3: return 24;
case 0x4: return 32;
}
DRM_ERROR("Unknown bits per sample 0x%x using 16 instead.\n", (int)value);
return 16;
}
/*
* current sampling rate in HZ
*/
static int r600_audio_rate(struct radeon_device *rdev)
{
uint32_t value = RREG32(R600_AUDIO_RATE_BPS_CHANNEL);
uint32_t result;
if (value & 0x4000)
result = 44100;
else
result = 48000;
result *= ((value >> 11) & 0x7) + 1;
result /= ((value >> 8) & 0x7) + 1;
return result;
}
/*
* iec 60958 status bits
*/
static uint8_t r600_audio_status_bits(struct radeon_device *rdev)
{
return RREG32(R600_AUDIO_STATUS_BITS) & 0xff;
}
/*
* iec 60958 category code
*/
static uint8_t r600_audio_category_code(struct radeon_device *rdev)
{
return (RREG32(R600_AUDIO_STATUS_BITS) >> 8) & 0xff;
}
/*
* update all hdmi interfaces with current audio parameters
*/
static void r600_audio_update_hdmi(unsigned long param)
{
struct radeon_device *rdev = (struct radeon_device *)param;
struct drm_device *dev = rdev->ddev;
int channels = r600_audio_channels(rdev);
int rate = r600_audio_rate(rdev);
int bps = r600_audio_bits_per_sample(rdev);
uint8_t status_bits = r600_audio_status_bits(rdev);
uint8_t category_code = r600_audio_category_code(rdev);
struct drm_encoder *encoder;
int changes = 0;
changes |= channels != rdev->audio_channels;
changes |= rate != rdev->audio_rate;
changes |= bps != rdev->audio_bits_per_sample;
changes |= status_bits != rdev->audio_status_bits;
changes |= category_code != rdev->audio_category_code;
if (changes) {
rdev->audio_channels = channels;
rdev->audio_rate = rate;
rdev->audio_bits_per_sample = bps;
rdev->audio_status_bits = status_bits;
rdev->audio_category_code = category_code;
}
list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
if (changes || r600_hdmi_buffer_status_changed(encoder))
r600_hdmi_update_audio_settings(
encoder, channels,
rate, bps, status_bits,
category_code);
}
mod_timer(&rdev->audio_timer,
jiffies + msecs_to_jiffies(AUDIO_TIMER_INTERVALL));
}
/*
* initialize the audio vars and register the update timer
*/
int r600_audio_init(struct radeon_device *rdev)
{
if (!r600_audio_chipset_supported(rdev))
return 0;
DRM_INFO("%s audio support", radeon_audio ? "Enabling" : "Disabling");
WREG32_P(R600_AUDIO_ENABLE, radeon_audio ? 0x81000000 : 0x0, ~0x81000000);
rdev->audio_channels = -1;
rdev->audio_rate = -1;
rdev->audio_bits_per_sample = -1;
rdev->audio_status_bits = 0;
rdev->audio_category_code = 0;
setup_timer(
&rdev->audio_timer,
r600_audio_update_hdmi,
(unsigned long)rdev);
mod_timer(&rdev->audio_timer, jiffies + 1);
return 0;
}
/*
* determin how the encoders and audio interface is wired together
*/
int r600_audio_tmds_index(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
struct drm_encoder *other;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
return 0;
case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
/* special case check if an TMDS1 is present */
list_for_each_entry(other, &dev->mode_config.encoder_list, head) {
if (to_radeon_encoder(other)->encoder_id ==
ENCODER_OBJECT_ID_INTERNAL_TMDS1)
return 1;
}
return 0;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
return 1;
default:
DRM_ERROR("Unsupported encoder type 0x%02X\n",
radeon_encoder->encoder_id);
return -1;
}
}
/*
* atach the audio codec to the clock source of the encoder
*/
void r600_audio_set_clock(struct drm_encoder *encoder, int clock)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
int base_rate = 48000;
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
WREG32_P(R600_AUDIO_TIMING, 0, ~0x301);
break;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
WREG32_P(R600_AUDIO_TIMING, 0x100, ~0x301);
break;
default:
DRM_ERROR("Unsupported encoder type 0x%02X\n",
radeon_encoder->encoder_id);
return;
}
switch (r600_audio_tmds_index(encoder)) {
case 0:
WREG32(R600_AUDIO_PLL1_MUL, base_rate*50);
WREG32(R600_AUDIO_PLL1_DIV, clock*100);
WREG32(R600_AUDIO_CLK_SRCSEL, 0);
break;
case 1:
WREG32(R600_AUDIO_PLL2_MUL, base_rate*50);
WREG32(R600_AUDIO_PLL2_DIV, clock*100);
WREG32(R600_AUDIO_CLK_SRCSEL, 1);
break;
}
}
/*
* release the audio timer
* TODO: How to do this correctly on SMP systems?
*/
void r600_audio_fini(struct radeon_device *rdev)
{
if (!r600_audio_chipset_supported(rdev))
return;
WREG32_P(R600_AUDIO_ENABLE, 0x0, ~0x81000000);
del_timer(&rdev->audio_timer);
}

506
drivers/gpu/drm/radeon/r600_hdmi.c Normal file
View File

@ -0,0 +1,506 @@
/*
* Copyright 2008 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat Inc.
* Copyright 2009 Christian König.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Christian König
*/
#include "drmP.h"
#include "radeon_drm.h"
#include "radeon.h"
#include "atom.h"
/*
* HDMI color format
*/
enum r600_hdmi_color_format {
RGB = 0,
YCC_422 = 1,
YCC_444 = 2
};
/*
* IEC60958 status bits
*/
enum r600_hdmi_iec_status_bits {
AUDIO_STATUS_DIG_ENABLE = 0x01,
AUDIO_STATUS_V = 0x02,
AUDIO_STATUS_VCFG = 0x04,
AUDIO_STATUS_EMPHASIS = 0x08,
AUDIO_STATUS_COPYRIGHT = 0x10,
AUDIO_STATUS_NONAUDIO = 0x20,
AUDIO_STATUS_PROFESSIONAL = 0x40,
AUDIO_STATUS_LEVEL = 0x80
};
struct {
uint32_t Clock;
int N_32kHz;
int CTS_32kHz;
int N_44_1kHz;
int CTS_44_1kHz;
int N_48kHz;
int CTS_48kHz;
} r600_hdmi_ACR[] = {
/* 32kHz 44.1kHz 48kHz */
/* Clock N CTS N CTS N CTS */
{ 25174, 4576, 28125, 7007, 31250, 6864, 28125 }, /* 25,20/1.001 MHz */
{ 25200, 4096, 25200, 6272, 28000, 6144, 25200 }, /* 25.20 MHz */
{ 27000, 4096, 27000, 6272, 30000, 6144, 27000 }, /* 27.00 MHz */
{ 27027, 4096, 27027, 6272, 30030, 6144, 27027 }, /* 27.00*1.001 MHz */
{ 54000, 4096, 54000, 6272, 60000, 6144, 54000 }, /* 54.00 MHz */
{ 54054, 4096, 54054, 6272, 60060, 6144, 54054 }, /* 54.00*1.001 MHz */
{ 74175, 11648, 210937, 17836, 234375, 11648, 140625 }, /* 74.25/1.001 MHz */
{ 74250, 4096, 74250, 6272, 82500, 6144, 74250 }, /* 74.25 MHz */
{ 148351, 11648, 421875, 8918, 234375, 5824, 140625 }, /* 148.50/1.001 MHz */
{ 148500, 4096, 148500, 6272, 165000, 6144, 148500 }, /* 148.50 MHz */
{ 0, 4096, 0, 6272, 0, 6144, 0 } /* Other */
};
/*
* calculate CTS value if it's not found in the table
*/
static void r600_hdmi_calc_CTS(uint32_t clock, int *CTS, int N, int freq)
{
if (*CTS == 0)
*CTS = clock*N/(128*freq)*1000;
DRM_DEBUG("Using ACR timing N=%d CTS=%d for frequency %d\n",
N, *CTS, freq);
}
/*
* update the N and CTS parameters for a given pixel clock rate
*/
static void r600_hdmi_update_ACR(struct drm_encoder *encoder, uint32_t clock)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
int CTS;
int N;
int i;
for (i = 0; r600_hdmi_ACR[i].Clock != clock && r600_hdmi_ACR[i].Clock != 0; i++);
CTS = r600_hdmi_ACR[i].CTS_32kHz;
N = r600_hdmi_ACR[i].N_32kHz;
r600_hdmi_calc_CTS(clock, &CTS, N, 32000);
WREG32(offset+R600_HDMI_32kHz_CTS, CTS << 12);
WREG32(offset+R600_HDMI_32kHz_N, N);
CTS = r600_hdmi_ACR[i].CTS_44_1kHz;
N = r600_hdmi_ACR[i].N_44_1kHz;
r600_hdmi_calc_CTS(clock, &CTS, N, 44100);
WREG32(offset+R600_HDMI_44_1kHz_CTS, CTS << 12);
WREG32(offset+R600_HDMI_44_1kHz_N, N);
CTS = r600_hdmi_ACR[i].CTS_48kHz;
N = r600_hdmi_ACR[i].N_48kHz;
r600_hdmi_calc_CTS(clock, &CTS, N, 48000);
WREG32(offset+R600_HDMI_48kHz_CTS, CTS << 12);
WREG32(offset+R600_HDMI_48kHz_N, N);
}
/*
* calculate the crc for a given info frame
*/
static void r600_hdmi_infoframe_checksum(uint8_t packetType,
uint8_t versionNumber,
uint8_t length,
uint8_t *frame)
{
int i;
frame[0] = packetType + versionNumber + length;
for (i = 1; i <= length; i++)
frame[0] += frame[i];
frame[0] = 0x100 - frame[0];
}
/*
* build a HDMI Video Info Frame
*/
static void r600_hdmi_videoinfoframe(
struct drm_encoder *encoder,
enum r600_hdmi_color_format color_format,
int active_information_present,
uint8_t active_format_aspect_ratio,
uint8_t scan_information,
uint8_t colorimetry,
uint8_t ex_colorimetry,
uint8_t quantization,
int ITC,
uint8_t picture_aspect_ratio,
uint8_t video_format_identification,
uint8_t pixel_repetition,
uint8_t non_uniform_picture_scaling,
uint8_t bar_info_data_valid,
uint16_t top_bar,
uint16_t bottom_bar,
uint16_t left_bar,
uint16_t right_bar
)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
uint8_t frame[14];
frame[0x0] = 0;
frame[0x1] =
(scan_information & 0x3) |
((bar_info_data_valid & 0x3) << 2) |
((active_information_present & 0x1) << 4) |
((color_format & 0x3) << 5);
frame[0x2] =
(active_format_aspect_ratio & 0xF) |
((picture_aspect_ratio & 0x3) << 4) |
((colorimetry & 0x3) << 6);
frame[0x3] =
(non_uniform_picture_scaling & 0x3) |
((quantization & 0x3) << 2) |
((ex_colorimetry & 0x7) << 4) |
((ITC & 0x1) << 7);
frame[0x4] = (video_format_identification & 0x7F);
frame[0x5] = (pixel_repetition & 0xF);
frame[0x6] = (top_bar & 0xFF);
frame[0x7] = (top_bar >> 8);
frame[0x8] = (bottom_bar & 0xFF);
frame[0x9] = (bottom_bar >> 8);
frame[0xA] = (left_bar & 0xFF);
frame[0xB] = (left_bar >> 8);
frame[0xC] = (right_bar & 0xFF);
frame[0xD] = (right_bar >> 8);
r600_hdmi_infoframe_checksum(0x82, 0x02, 0x0D, frame);
WREG32(offset+R600_HDMI_VIDEOINFOFRAME_0,
frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
WREG32(offset+R600_HDMI_VIDEOINFOFRAME_1,
frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
WREG32(offset+R600_HDMI_VIDEOINFOFRAME_2,
frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
WREG32(offset+R600_HDMI_VIDEOINFOFRAME_3,
frame[0xC] | (frame[0xD] << 8));
}
/*
* build a Audio Info Frame
*/
static void r600_hdmi_audioinfoframe(
struct drm_encoder *encoder,
uint8_t channel_count,
uint8_t coding_type,
uint8_t sample_size,
uint8_t sample_frequency,
uint8_t format,
uint8_t channel_allocation,
uint8_t level_shift,
int downmix_inhibit
)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
uint8_t frame[11];
frame[0x0] = 0;
frame[0x1] = (channel_count & 0x7) | ((coding_type & 0xF) << 4);
frame[0x2] = (sample_size & 0x3) | ((sample_frequency & 0x7) << 2);
frame[0x3] = format;
frame[0x4] = channel_allocation;
frame[0x5] = ((level_shift & 0xF) << 3) | ((downmix_inhibit & 0x1) << 7);
frame[0x6] = 0;
frame[0x7] = 0;
frame[0x8] = 0;
frame[0x9] = 0;
frame[0xA] = 0;
r600_hdmi_infoframe_checksum(0x84, 0x01, 0x0A, frame);
WREG32(offset+R600_HDMI_AUDIOINFOFRAME_0,
frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
WREG32(offset+R600_HDMI_AUDIOINFOFRAME_1,
frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x8] << 24));
}
/*
* test if audio buffer is filled enough to start playing
*/
static int r600_hdmi_is_audio_buffer_filled(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
return (RREG32(offset+R600_HDMI_STATUS) & 0x10) != 0;
}
/*
* have buffer status changed since last call?
*/
int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder)
{
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
int status, result;
if (!radeon_encoder->hdmi_offset)
return 0;
status = r600_hdmi_is_audio_buffer_filled(encoder);
result = radeon_encoder->hdmi_buffer_status != status;
radeon_encoder->hdmi_buffer_status = status;
return result;
}
/*
* write the audio workaround status to the hardware
*/
void r600_hdmi_audio_workaround(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
uint32_t offset = radeon_encoder->hdmi_offset;
if (!offset)
return;
if (r600_hdmi_is_audio_buffer_filled(encoder)) {
/* disable audio workaround and start delivering of audio frames */
WREG32_P(offset+R600_HDMI_CNTL, 0x00000001, ~0x00001001);
} else if (radeon_encoder->hdmi_audio_workaround) {
/* enable audio workaround and start delivering of audio frames */
WREG32_P(offset+R600_HDMI_CNTL, 0x00001001, ~0x00001001);
} else {
/* disable audio workaround and stop delivering of audio frames */
WREG32_P(offset+R600_HDMI_CNTL, 0x00000000, ~0x00001001);
}
}
/*
* update the info frames with the data from the current display mode
*/
void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
if (!offset)
return;
r600_audio_set_clock(encoder, mode->clock);
WREG32(offset+R600_HDMI_UNKNOWN_0, 0x1000);
WREG32(offset+R600_HDMI_UNKNOWN_1, 0x0);
WREG32(offset+R600_HDMI_UNKNOWN_2, 0x1000);
r600_hdmi_update_ACR(encoder, mode->clock);
WREG32(offset+R600_HDMI_VIDEOCNTL, 0x13);
WREG32(offset+R600_HDMI_VERSION, 0x202);
r600_hdmi_videoinfoframe(encoder, RGB, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
/* it's unknown what these bits do excatly, but it's indeed quite usefull for debugging */
WREG32(offset+R600_HDMI_AUDIO_DEBUG_0, 0x00FFFFFF);
WREG32(offset+R600_HDMI_AUDIO_DEBUG_1, 0x007FFFFF);
WREG32(offset+R600_HDMI_AUDIO_DEBUG_2, 0x00000001);
WREG32(offset+R600_HDMI_AUDIO_DEBUG_3, 0x00000001);
r600_hdmi_audio_workaround(encoder);
/* audio packets per line, does anyone know how to calc this ? */
WREG32_P(offset+R600_HDMI_CNTL, 0x00040000, ~0x001F0000);
/* update? reset? don't realy know */
WREG32_P(offset+R600_HDMI_CNTL, 0x14000000, ~0x14000000);
}
/*
* update settings with current parameters from audio engine
*/
void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
int channels,
int rate,
int bps,
uint8_t status_bits,
uint8_t category_code)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
uint32_t iec;
if (!offset)
return;
DRM_DEBUG("%s with %d channels, %d Hz sampling rate, %d bits per sample,\n",
r600_hdmi_is_audio_buffer_filled(encoder) ? "playing" : "stopped",
channels, rate, bps);
DRM_DEBUG("0x%02X IEC60958 status bits and 0x%02X category code\n",
(int)status_bits, (int)category_code);
iec = 0;
if (status_bits & AUDIO_STATUS_PROFESSIONAL)
iec |= 1 << 0;
if (status_bits & AUDIO_STATUS_NONAUDIO)
iec |= 1 << 1;
if (status_bits & AUDIO_STATUS_COPYRIGHT)
iec |= 1 << 2;
if (status_bits & AUDIO_STATUS_EMPHASIS)
iec |= 1 << 3;
iec |= category_code << 8;
switch (rate) {
case 32000: iec |= 0x3 << 24; break;
case 44100: iec |= 0x0 << 24; break;
case 88200: iec |= 0x8 << 24; break;
case 176400: iec |= 0xc << 24; break;
case 48000: iec |= 0x2 << 24; break;
case 96000: iec |= 0xa << 24; break;
case 192000: iec |= 0xe << 24; break;
}
WREG32(offset+R600_HDMI_IEC60958_1, iec);
iec = 0;
switch (bps) {
case 16: iec |= 0x2; break;
case 20: iec |= 0x3; break;
case 24: iec |= 0xb; break;
}
if (status_bits & AUDIO_STATUS_V)
iec |= 0x5 << 16;
WREG32_P(offset+R600_HDMI_IEC60958_2, iec, ~0x5000f);
/* 0x021 or 0x031 sets the audio frame length */
WREG32(offset+R600_HDMI_AUDIOCNTL, 0x31);
r600_hdmi_audioinfoframe(encoder, channels-1, 0, 0, 0, 0, 0, 0, 0);
r600_hdmi_audio_workaround(encoder);
/* update? reset? don't realy know */
WREG32_P(offset+R600_HDMI_CNTL, 0x04000000, ~0x04000000);
}
/*
* enable/disable the HDMI engine
*/
void r600_hdmi_enable(struct drm_encoder *encoder, int enable)
{
struct drm_device *dev = encoder->dev;
struct radeon_device *rdev = dev->dev_private;
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
if (!offset)
return;
DRM_DEBUG("%s HDMI interface @ 0x%04X\n", enable ? "Enabling" : "Disabling", offset);
/* some version of atombios ignore the enable HDMI flag
* so enabling/disabling HDMI was moved here for TMDS1+2 */
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
WREG32_P(AVIVO_TMDSA_CNTL, enable ? 0x4 : 0x0, ~0x4);
WREG32(offset+R600_HDMI_ENABLE, enable ? 0x101 : 0x0);
break;
case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
WREG32_P(AVIVO_LVTMA_CNTL, enable ? 0x4 : 0x0, ~0x4);
WREG32(offset+R600_HDMI_ENABLE, enable ? 0x105 : 0x0);
break;
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
/* This part is doubtfull in my opinion */
WREG32(offset+R600_HDMI_ENABLE, enable ? 0x110 : 0x0);
break;
default:
DRM_ERROR("unknown HDMI output type\n");
break;
}
}
/*
* determin at which register offset the HDMI encoder is
*/
void r600_hdmi_init(struct drm_encoder *encoder)
{
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
switch (radeon_encoder->encoder_id) {
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
radeon_encoder->hdmi_offset = R600_HDMI_TMDS1;
break;
case ENCODER_OBJECT_ID_INTERNAL_LVTM1:
switch (r600_audio_tmds_index(encoder)) {
case 0:
radeon_encoder->hdmi_offset = R600_HDMI_TMDS1;
break;
case 1:
radeon_encoder->hdmi_offset = R600_HDMI_TMDS2;
break;
default:
radeon_encoder->hdmi_offset = 0;
break;
}
case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
radeon_encoder->hdmi_offset = R600_HDMI_TMDS2;
break;
case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA:
radeon_encoder->hdmi_offset = R600_HDMI_DIG;
break;
default:
radeon_encoder->hdmi_offset = 0;
break;
}
DRM_DEBUG("using HDMI engine at offset 0x%04X for encoder 0x%x\n",
radeon_encoder->hdmi_offset, radeon_encoder->encoder_id);
/* TODO: make this configureable */
radeon_encoder->hdmi_audio_workaround = 0;
}

74
drivers/gpu/drm/radeon/r600_reg.h
View File

@ -110,5 +110,79 @@
#define R600_BIOS_6_SCRATCH 0x173c
#define R600_BIOS_7_SCRATCH 0x1740
/* Audio, these regs were reverse enginered,
* so the chance is high that the naming is wrong
* R6xx+ ??? */
/* Audio clocks */
#define R600_AUDIO_PLL1_MUL 0x0514
#define R600_AUDIO_PLL1_DIV 0x0518
#define R600_AUDIO_PLL2_MUL 0x0524
#define R600_AUDIO_PLL2_DIV 0x0528
#define R600_AUDIO_CLK_SRCSEL 0x0534
/* Audio general */
#define R600_AUDIO_ENABLE 0x7300
#define R600_AUDIO_TIMING 0x7344
/* Audio params */
#define R600_AUDIO_VENDOR_ID 0x7380
#define R600_AUDIO_REVISION_ID 0x7384
#define R600_AUDIO_ROOT_NODE_COUNT 0x7388
#define R600_AUDIO_NID1_NODE_COUNT 0x738c
#define R600_AUDIO_NID1_TYPE 0x7390
#define R600_AUDIO_SUPPORTED_SIZE_RATE 0x7394
#define R600_AUDIO_SUPPORTED_CODEC 0x7398
#define R600_AUDIO_SUPPORTED_POWER_STATES 0x739c
#define R600_AUDIO_NID2_CAPS 0x73a0
#define R600_AUDIO_NID3_CAPS 0x73a4
#define R600_AUDIO_NID3_PIN_CAPS 0x73a8
/* Audio conn list */
#define R600_AUDIO_CONN_LIST_LEN 0x73ac
#define R600_AUDIO_CONN_LIST 0x73b0
/* Audio verbs */
#define R600_AUDIO_RATE_BPS_CHANNEL 0x73c0
#define R600_AUDIO_PLAYING 0x73c4
#define R600_AUDIO_IMPLEMENTATION_ID 0x73c8
#define R600_AUDIO_CONFIG_DEFAULT 0x73cc
#define R600_AUDIO_PIN_SENSE 0x73d0
#define R600_AUDIO_PIN_WIDGET_CNTL 0x73d4
#define R600_AUDIO_STATUS_BITS 0x73d8
/* HDMI base register addresses */
#define R600_HDMI_TMDS1 0x7400
#define R600_HDMI_TMDS2 0x7700
#define R600_HDMI_DIG 0x7800
/* HDMI registers */
#define R600_HDMI_ENABLE 0x00
#define R600_HDMI_STATUS 0x04
#define R600_HDMI_CNTL 0x08
#define R600_HDMI_UNKNOWN_0 0x0C
#define R600_HDMI_AUDIOCNTL 0x10
#define R600_HDMI_VIDEOCNTL 0x14
#define R600_HDMI_VERSION 0x18
#define R600_HDMI_UNKNOWN_1 0x28
#define R600_HDMI_VIDEOINFOFRAME_0 0x54
#define R600_HDMI_VIDEOINFOFRAME_1 0x58
#define R600_HDMI_VIDEOINFOFRAME_2 0x5c
#define R600_HDMI_VIDEOINFOFRAME_3 0x60
#define R600_HDMI_32kHz_CTS 0xac
#define R600_HDMI_32kHz_N 0xb0
#define R600_HDMI_44_1kHz_CTS 0xb4
#define R600_HDMI_44_1kHz_N 0xb8
#define R600_HDMI_48kHz_CTS 0xbc
#define R600_HDMI_48kHz_N 0xc0
#define R600_HDMI_AUDIOINFOFRAME_0 0xcc
#define R600_HDMI_AUDIOINFOFRAME_1 0xd0
#define R600_HDMI_IEC60958_1 0xd4
#define R600_HDMI_IEC60958_2 0xd8
#define R600_HDMI_UNKNOWN_2 0xdc
#define R600_HDMI_AUDIO_DEBUG_0 0xe0
#define R600_HDMI_AUDIO_DEBUG_1 0xe4
#define R600_HDMI_AUDIO_DEBUG_2 0xe8
#define R600_HDMI_AUDIO_DEBUG_3 0xec
#endif

25
drivers/gpu/drm/radeon/radeon.h
View File

@ -89,6 +89,7 @@ extern int radeon_testing;
extern int radeon_connector_table;
extern int radeon_tv;
extern int radeon_new_pll;
extern int radeon_audio;
/*
* Copy from radeon_drv.h so we don't have to include both and have conflicting
@ -814,6 +815,14 @@ struct radeon_device {
struct r600_ih ih; /* r6/700 interrupt ring */
struct workqueue_struct *wq;
struct work_struct hotplug_work;
/* audio stuff */
struct timer_list audio_timer;
int audio_channels;
int audio_rate;
int audio_bits_per_sample;
uint8_t audio_status_bits;
uint8_t audio_category_code;
};
int radeon_device_init(struct radeon_device *rdev,
@ -1016,6 +1025,7 @@ extern int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data);
extern void radeon_legacy_set_clock_gating(struct radeon_device *rdev, int enable);
extern void radeon_atom_set_clock_gating(struct radeon_device *rdev, int enable);
extern void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain);
extern bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo);
/* r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 */
struct r100_mc_save {
@ -1146,6 +1156,21 @@ extern void r600_irq_fini(struct radeon_device *rdev);
extern void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size);
extern int r600_irq_set(struct radeon_device *rdev);
extern int r600_audio_init(struct radeon_device *rdev);
extern int r600_audio_tmds_index(struct drm_encoder *encoder);
extern void r600_audio_set_clock(struct drm_encoder *encoder, int clock);
extern void r600_audio_fini(struct radeon_device *rdev);
extern void r600_hdmi_init(struct drm_encoder *encoder);
extern void r600_hdmi_enable(struct drm_encoder *encoder, int enable);
extern void r600_hdmi_setmode(struct drm_encoder *encoder, struct drm_display_mode *mode);
extern int r600_hdmi_buffer_status_changed(struct drm_encoder *encoder);
extern void r600_hdmi_update_audio_settings(struct drm_encoder *encoder,
int channels,
int rate,
int bps,
uint8_t status_bits,
uint8_t category_code);
#include "radeon_object.h"
#endif

4
drivers/gpu/drm/radeon/radeon_drv.c
View File

@ -87,6 +87,7 @@ int radeon_testing = 0;
int radeon_connector_table = 0;
int radeon_tv = 1;
int radeon_new_pll = 1;
int radeon_audio = 1;
MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
module_param_named(no_wb, radeon_no_wb, int, 0444);
@ -124,6 +125,9 @@ module_param_named(tv, radeon_tv, int, 0444);
MODULE_PARM_DESC(new_pll, "Select new PLL code for AVIVO chips");
module_param_named(new_pll, radeon_new_pll, int, 0444);
MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
module_param_named(audio, radeon_audio, int, 0444);
static int radeon_suspend(struct drm_device *dev, pm_message_t state)
{
drm_radeon_private_t *dev_priv = dev->dev_private;

16
drivers/gpu/drm/radeon/radeon_encoders.c
View File

@ -438,6 +438,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
union lvds_encoder_control args;
int index = 0;
int hdmi_detected = 0;
uint8_t frev, crev;
struct radeon_encoder_atom_dig *dig;
struct drm_connector *connector;
@ -458,6 +459,9 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
if (!radeon_connector->con_priv)
return;
if (drm_detect_hdmi_monitor(radeon_connector->edid))
hdmi_detected = 1;
dig_connector = radeon_connector->con_priv;
memset(&args, 0, sizeof(args));
@ -487,7 +491,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
case 1:
args.v1.ucMisc = 0;
args.v1.ucAction = action;
if (drm_detect_hdmi_monitor(radeon_connector->edid))
if (hdmi_detected)
args.v1.ucMisc |= PANEL_ENCODER_MISC_HDMI_TYPE;
args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
@ -512,7 +516,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
if (dig->coherent_mode)
args.v2.ucMisc |= PANEL_ENCODER_MISC_COHERENT;
}
if (drm_detect_hdmi_monitor(radeon_connector->edid))
if (hdmi_detected)
args.v2.ucMisc |= PANEL_ENCODER_MISC_HDMI_TYPE;
args.v2.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
args.v2.ucTruncate = 0;
@ -552,7 +556,7 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
}
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
r600_hdmi_enable(encoder, hdmi_detected);
}
int
@ -893,7 +897,6 @@ atombios_dig_transmitter_setup(struct drm_encoder *encoder, int action, uint8_t
}
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
static void
@ -1162,7 +1165,6 @@ atombios_set_encoder_crtc_source(struct drm_encoder *encoder)
}
atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
}
static void
@ -1265,6 +1267,8 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
break;
}
atombios_apply_encoder_quirks(encoder, adjusted_mode);
r600_hdmi_setmode(encoder, adjusted_mode);
}
static bool
@ -1510,4 +1514,6 @@ radeon_add_atom_encoder(struct drm_device *dev, uint32_t encoder_id, uint32_t su
drm_encoder_helper_add(encoder, &radeon_atom_dig_helper_funcs);
break;
}
r600_hdmi_init(encoder);
}

8
drivers/gpu/drm/radeon/radeon_gem.c
View File

@ -66,8 +66,9 @@ int radeon_gem_object_create(struct radeon_device *rdev, int size,
}
r = radeon_bo_create(rdev, gobj, size, kernel, initial_domain, &robj);
if (r) {
DRM_ERROR("Failed to allocate GEM object (%d, %d, %u)\n",
size, initial_domain, alignment);
if (r != -ERESTARTSYS)
DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
size, initial_domain, alignment, r);
mutex_lock(&rdev->ddev->struct_mutex);
drm_gem_object_unreference(gobj);
mutex_unlock(&rdev->ddev->struct_mutex);
@ -350,9 +351,10 @@ int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
rbo = gobj->driver_private;
r = radeon_bo_reserve(rbo, false);
if (unlikely(r != 0))
return r;
goto out;
radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
radeon_bo_unreserve(rbo);
out:
mutex_lock(&dev->struct_mutex);
drm_gem_object_unreference(gobj);
mutex_unlock(&dev->struct_mutex);

3
drivers/gpu/drm/radeon/radeon_mode.h
View File

@ -334,6 +334,9 @@ struct radeon_encoder {
enum radeon_rmx_type rmx_type;
struct drm_display_mode native_mode;
void *enc_priv;
int hdmi_offset;
int hdmi_audio_workaround;
int hdmi_buffer_status;
};
struct radeon_connector_atom_dig {

21
drivers/gpu/drm/radeon/radeon_object.c
View File

@ -56,6 +56,13 @@ static void radeon_ttm_bo_destroy(struct ttm_buffer_object *tbo)
kfree(bo);
}
bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object *bo)
{
if (bo->destroy == &radeon_ttm_bo_destroy)
return true;
return false;
}
void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
{
u32 c = 0;
@ -71,6 +78,8 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
if (domain & RADEON_GEM_DOMAIN_CPU)
rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
if (!c)
rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
rbo->placement.num_placement = c;
rbo->placement.num_busy_placement = c;
}
@ -481,14 +490,20 @@ int radeon_bo_check_tiling(struct radeon_bo *bo, bool has_moved,
}
void radeon_bo_move_notify(struct ttm_buffer_object *bo,
struct ttm_mem_reg *mem)
struct ttm_mem_reg *mem)
{
struct radeon_bo *rbo = container_of(bo, struct radeon_bo, tbo);
struct radeon_bo *rbo;
if (!radeon_ttm_bo_is_radeon_bo(bo))
return;
rbo = container_of(bo, struct radeon_bo, tbo);
radeon_bo_check_tiling(rbo, 0, 1);
}
void radeon_bo_fault_reserve_notify(struct ttm_buffer_object *bo)
{
struct radeon_bo *rbo = container_of(bo, struct radeon_bo, tbo);
struct radeon_bo *rbo;
if (!radeon_ttm_bo_is_radeon_bo(bo))
return;
rbo = container_of(bo, struct radeon_bo, tbo);
radeon_bo_check_tiling(rbo, 0, 0);
}

16
drivers/gpu/drm/radeon/radeon_object.h
View File

@ -59,19 +59,17 @@ static inline unsigned radeon_mem_type_to_domain(u32 mem_type)
*
* Returns:
* -EBUSY: buffer is busy and @no_wait is true
* -ERESTART: A wait for the buffer to become unreserved was interrupted by
* -ERESTARTSYS: A wait for the buffer to become unreserved was interrupted by
* a signal. Release all buffer reservations and return to user-space.
*/
static inline int radeon_bo_reserve(struct radeon_bo *bo, bool no_wait)
{
int r;
retry:
r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
if (unlikely(r != 0)) {
if (r == -ERESTART)
goto retry;
dev_err(bo->rdev->dev, "%p reserve failed\n", bo);
if (r != -ERESTARTSYS)
dev_err(bo->rdev->dev, "%p reserve failed\n", bo);
return r;
}
return 0;
@ -125,12 +123,10 @@ static inline int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
{
int r;
retry:
r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
if (unlikely(r != 0)) {
if (r == -ERESTART)
goto retry;
dev_err(bo->rdev->dev, "%p reserve failed for wait\n", bo);
if (r != -ERESTARTSYS)
dev_err(bo->rdev->dev, "%p reserve failed for wait\n", bo);
return r;
}
spin_lock(&bo->tbo.lock);
@ -140,8 +136,6 @@ retry:
r = ttm_bo_wait(&bo->tbo, true, true, no_wait);
spin_unlock(&bo->tbo.lock);
ttm_bo_unreserve(&bo->tbo);
if (unlikely(r == -ERESTART))
goto retry;
return r;
}

7
drivers/gpu/drm/radeon/radeon_pm.c
View File

@ -44,8 +44,11 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
struct drm_device *dev = node->minor->dev;
struct radeon_device *rdev = dev->dev_private;
seq_printf(m, "engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev));
seq_printf(m, "memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev));
seq_printf(m, "default engine clock: %u0 kHz\n", rdev->clock.default_sclk);
seq_printf(m, "current engine clock: %u0 kHz\n", radeon_get_engine_clock(rdev));
seq_printf(m, "default memory clock: %u0 kHz\n", rdev->clock.default_mclk);
if (rdev->asic->get_memory_clock)
seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev));
return 0;
}

14
drivers/gpu/drm/radeon/radeon_ttm.c
View File

@ -200,7 +200,19 @@ static int radeon_init_mem_type(struct ttm_bo_device *bdev, uint32_t type,
static void radeon_evict_flags(struct ttm_buffer_object *bo,
struct ttm_placement *placement)
{
struct radeon_bo *rbo = container_of(bo, struct radeon_bo, tbo);
struct radeon_bo *rbo;
static u32 placements = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
if (!radeon_ttm_bo_is_radeon_bo(bo)) {
placement->fpfn = 0;
placement->lpfn = 0;
placement->placement = &placements;
placement->busy_placement = &placements;
placement->num_placement = 1;
placement->num_busy_placement = 1;
return;
}
rbo = container_of(bo, struct radeon_bo, tbo);
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
radeon_ttm_placement_from_domain(rbo, RADEON_GEM_DOMAIN_GTT);

2
drivers/gpu/drm/radeon/rs400.c
View File

@ -497,6 +497,8 @@ int rs400_init(struct radeon_device *rdev)
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Initialize power management */
radeon_pm_init(rdev);
/* Get vram informations */
rs400_vram_info(rdev);
/* Initialize memory controller (also test AGP) */

14
drivers/gpu/drm/radeon/rv770.c
View File

@ -892,6 +892,14 @@ static int rv770_startup(struct radeon_device *rdev)
}
rv770_gpu_init(rdev);
if (!rdev->r600_blit.shader_obj) {
r = r600_blit_init(rdev);
if (r) {
DRM_ERROR("radeon: failed blitter (%d).\n", r);
return r;
}
}
r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
if (unlikely(r != 0))
return r;
@ -1051,12 +1059,6 @@ int rv770_init(struct radeon_device *rdev)
if (r)
return r;
r = r600_blit_init(rdev);
if (r) {
DRM_ERROR("radeon: failed blitter (%d).\n", r);
return r;
}
rdev->accel_working = true;
r = rv770_startup(rdev);
if (r) {

77
drivers/gpu/drm/ttm/ttm_bo.c
View File

@ -71,34 +71,34 @@ static inline int ttm_mem_type_from_flags(uint32_t flags, uint32_t *mem_type)
return -EINVAL;
}
static void ttm_mem_type_manager_debug(struct ttm_bo_global *glob,
struct ttm_mem_type_manager *man)
static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type)
{
struct ttm_mem_type_manager *man = &bdev->man[mem_type];
printk(KERN_ERR TTM_PFX " has_type: %d\n", man->has_type);
printk(KERN_ERR TTM_PFX " use_type: %d\n", man->use_type);
printk(KERN_ERR TTM_PFX " flags: 0x%08X\n", man->flags);
printk(KERN_ERR TTM_PFX " gpu_offset: 0x%08lX\n", man->gpu_offset);
printk(KERN_ERR TTM_PFX " io_offset: 0x%08lX\n", man->io_offset);
printk(KERN_ERR TTM_PFX " io_size: %ld\n", man->io_size);
printk(KERN_ERR TTM_PFX " size: %ld\n", (unsigned long)man->size);
printk(KERN_ERR TTM_PFX " size: %llu\n", man->size);
printk(KERN_ERR TTM_PFX " available_caching: 0x%08X\n",
man->available_caching);
printk(KERN_ERR TTM_PFX " default_caching: 0x%08X\n",
man->default_caching);
spin_lock(&glob->lru_lock);
drm_mm_debug_table(&man->manager, TTM_PFX);
spin_unlock(&glob->lru_lock);
if (mem_type != TTM_PL_SYSTEM) {
spin_lock(&bdev->glob->lru_lock);
drm_mm_debug_table(&man->manager, TTM_PFX);
spin_unlock(&bdev->glob->lru_lock);
}
}
static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
struct ttm_placement *placement)
{
struct ttm_bo_device *bdev = bo->bdev;
struct ttm_bo_global *glob = bo->glob;
struct ttm_mem_type_manager *man;
int i, ret, mem_type;
printk(KERN_ERR TTM_PFX "No space for %p (%ld pages, %ldK, %ldM)\n",
printk(KERN_ERR TTM_PFX "No space for %p (%lu pages, %luK, %luM)\n",
bo, bo->mem.num_pages, bo->mem.size >> 10,
bo->mem.size >> 20);
for (i = 0; i < placement->num_placement; i++) {
@ -106,10 +106,9 @@ static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
&mem_type);
if (ret)
return;
man = &bdev->man[mem_type];
printk(KERN_ERR TTM_PFX " placement[%d]=0x%08X (%d)\n",
i, placement->placement[i], mem_type);
ttm_mem_type_manager_debug(glob, man);
ttm_mem_type_debug(bo->bdev, mem_type);
}
}
@ -465,6 +464,8 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo, bool remove_all)
spin_unlock(&bo->lock);
spin_lock(&glob->lru_lock);
put_count = ttm_bo_del_from_lru(bo);
ret = ttm_bo_reserve_locked(bo, false, false, false, 0);
BUG_ON(ret);
if (bo->ttm)
@ -472,20 +473,19 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo, bool remove_all)
if (!list_empty(&bo->ddestroy)) {
list_del_init(&bo->ddestroy);
kref_put(&bo->list_kref, ttm_bo_ref_bug);
++put_count;
}
if (bo->mem.mm_node) {
bo->mem.mm_node->private = NULL;
drm_mm_put_block(bo->mem.mm_node);
bo->mem.mm_node = NULL;
}
put_count = ttm_bo_del_from_lru(bo);
spin_unlock(&glob->lru_lock);
atomic_set(&bo->reserved, 0);
while (put_count--)
kref_put(&bo->list_kref, ttm_bo_release_list);
kref_put(&bo->list_kref, ttm_bo_ref_bug);
return 0;
}
@ -684,19 +684,45 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
struct ttm_buffer_object *bo;
int ret, put_count = 0;
retry:
spin_lock(&glob->lru_lock);
if (list_empty(&man->lru)) {
spin_unlock(&glob->lru_lock);
return -EBUSY;
}
bo = list_first_entry(&man->lru, struct ttm_buffer_object, lru);
kref_get(&bo->list_kref);
ret = ttm_bo_reserve_locked(bo, interruptible, no_wait, false, 0);
if (likely(ret == 0))
put_count = ttm_bo_del_from_lru(bo);
ret = ttm_bo_reserve_locked(bo, false, true, false, 0);
if (unlikely(ret == -EBUSY)) {
spin_unlock(&glob->lru_lock);
if (likely(!no_wait))
ret = ttm_bo_wait_unreserved(bo, interruptible);
kref_put(&bo->list_kref, ttm_bo_release_list);
/**
* We *need* to retry after releasing the lru lock.
*/
if (unlikely(ret != 0))
return ret;
goto retry;
}
put_count = ttm_bo_del_from_lru(bo);
spin_unlock(&glob->lru_lock);
if (unlikely(ret != 0))
return ret;
BUG_ON(ret != 0);
while (put_count--)
kref_put(&bo->list_kref, ttm_bo_ref_bug);
ret = ttm_bo_evict(bo, interruptible, no_wait);
ttm_bo_unreserve(bo);
kref_put(&bo->list_kref, ttm_bo_release_list);
return ret;
}
@ -849,7 +875,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
int i, ret;
mem->mm_node = NULL;
for (i = 0; i <= placement->num_placement; ++i) {
for (i = 0; i < placement->num_placement; ++i) {
ret = ttm_mem_type_from_flags(placement->placement[i],
&mem_type);
if (ret)
@ -900,8 +926,8 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
if (!type_found)
return -EINVAL;
for (i = 0; i <= placement->num_busy_placement; ++i) {
ret = ttm_mem_type_from_flags(placement->placement[i],
for (i = 0; i < placement->num_busy_placement; ++i) {
ret = ttm_mem_type_from_flags(placement->busy_placement[i],
&mem_type);
if (ret)
return ret;
@ -911,7 +937,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
if (!ttm_bo_mt_compatible(man,
bo->type == ttm_bo_type_user,
mem_type,
placement->placement[i],
placement->busy_placement[i],
&cur_flags))
continue;
@ -921,7 +947,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
* Use the access and other non-mapping-related flag bits from
* the memory placement flags to the current flags
*/
ttm_flag_masked(&cur_flags, placement->placement[i],
ttm_flag_masked(&cur_flags, placement->busy_placement[i],
~TTM_PL_MASK_MEMTYPE);
ret = ttm_bo_mem_force_space(bo, mem_type, placement, mem,
@ -1115,6 +1141,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
bo->glob = bdev->glob;
bo->type = type;
bo->num_pages = num_pages;
bo->mem.size = num_pages << PAGE_SHIFT;
bo->mem.mem_type = TTM_PL_SYSTEM;
bo->mem.num_pages = bo->num_pages;
bo->mem.mm_node = NULL;

2
drivers/gpu/drm/ttm/ttm_bo_vm.c
View File

@ -320,7 +320,7 @@ ssize_t ttm_bo_io(struct ttm_bo_device *bdev, struct file *filp,
return -EFAULT;
driver = bo->bdev->driver;
if (unlikely(driver->verify_access)) {
if (unlikely(!driver->verify_access)) {
ret = -EPERM;
goto out_unref;
}