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[PATCH] drm/radeon/kms/atom: make sure tables are valid
|
From: Alex D. <ale...@gm...> - 2010-03-17 23:03:49
|
>From ecf773459b7b1470123bb04dfee14ac62e7427f6 Mon Sep 17 00:00:00 2001
From: Alex Deucher <ale...@gm...>
Date: Wed, 17 Mar 2010 18:56:30 -0400
Subject: [PATCH] drm/radeon/kms/atom: make sure tables are valid
Check that atom cmd and data tables are valid
before using them.
Signed-off-by: Alex Deucher <ale...@gm...>
---
drivers/gpu/drm/radeon/atom.c | 32 +++--
drivers/gpu/drm/radeon/atom.h | 6 +-
drivers/gpu/drm/radeon/atombios_crtc.c | 15 ++-
drivers/gpu/drm/radeon/radeon_atombios.c | 218 ++++++++++++++----------------
drivers/gpu/drm/radeon/radeon_display.c | 5 +-
drivers/gpu/drm/radeon/radeon_encoders.c | 15 ++-
drivers/gpu/drm/radeon/rs690.c | 74 ++++++----
7 files changed, 192 insertions(+), 173 deletions(-)
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index b7fe660..247f8ee 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -1295,12 +1295,16 @@ void atom_destroy(struct atom_context *ctx)
kfree(ctx);
}
-void atom_parse_data_header(struct atom_context *ctx, int index,
+bool atom_parse_data_header(struct atom_context *ctx, int index,
uint16_t * size, uint8_t * frev, uint8_t * crev,
uint16_t * data_start)
{
int offset = index * 2 + 4;
int idx = CU16(ctx->data_table + offset);
+ u16 *mdt = (u16 *)(ctx->bios + ctx->data_table + 4);
+
+ if (!mdt[index])
+ return false;
if (size)
*size = CU16(idx);
@@ -1309,38 +1313,42 @@ void atom_parse_data_header(struct
atom_context *ctx, int index,
if (crev)
*crev = CU8(idx + 3);
*data_start = idx;
- return;
+ return true;
}
-void atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev,
+bool atom_parse_cmd_header(struct atom_context *ctx, int index, uint8_t * frev,
uint8_t * crev)
{
int offset = index * 2 + 4;
int idx = CU16(ctx->cmd_table + offset);
+ u16 *mct = (u16 *)(ctx->bios + ctx->cmd_table + 4);
+
+ if (!mct[index])
+ return false;
if (frev)
*frev = CU8(idx + 2);
if (crev)
*crev = CU8(idx + 3);
- return;
+ return true;
}
int atom_allocate_fb_scratch(struct atom_context *ctx)
{
int index = GetIndexIntoMasterTable(DATA, VRAM_UsageByFirmware);
uint16_t data_offset;
- int usage_bytes;
+ int usage_bytes = 0;
struct _ATOM_VRAM_USAGE_BY_FIRMWARE *firmware_usage;
- atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset);
+ if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
+ firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios
+ data_offset);
- firmware_usage = (struct _ATOM_VRAM_USAGE_BY_FIRMWARE *)(ctx->bios +
data_offset);
+ DRM_DEBUG("atom firmware requested %08x %dkb\n",
+ firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
+ firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
- DRM_DEBUG("atom firmware requested %08x %dkb\n",
- firmware_usage->asFirmwareVramReserveInfo[0].ulStartAddrUsedByFirmware,
- firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb);
-
- usage_bytes =
firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
+ usage_bytes =
firmware_usage->asFirmwareVramReserveInfo[0].usFirmwareUseInKb * 1024;
+ }
if (usage_bytes == 0)
usage_bytes = 20 * 1024;
/* allocate some scratch memory */
diff --git a/drivers/gpu/drm/radeon/atom.h b/drivers/gpu/drm/radeon/atom.h
index 1b26263..cd1b64a 100644
--- a/drivers/gpu/drm/radeon/atom.h
+++ b/drivers/gpu/drm/radeon/atom.h
@@ -143,8 +143,10 @@ struct atom_context *atom_parse(struct card_info
*, void *);
int atom_execute_table(struct atom_context *, int, uint32_t *);
int atom_asic_init(struct atom_context *);
void atom_destroy(struct atom_context *);
-void atom_parse_data_header(struct atom_context *ctx, int index,
uint16_t *size, uint8_t *frev, uint8_t *crev, uint16_t *data_start);
-void atom_parse_cmd_header(struct atom_context *ctx, int index,
uint8_t *frev, uint8_t *crev);
+bool atom_parse_data_header(struct atom_context *ctx, int index,
uint16_t *size,
+ uint8_t *frev, uint8_t *crev, uint16_t *data_start);
+bool atom_parse_cmd_header(struct atom_context *ctx, int index,
+ uint8_t *frev, uint8_t *crev);
int atom_allocate_fb_scratch(struct atom_context *ctx);
#include "atom-types.h"
#include "atombios.h"
diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c
b/drivers/gpu/drm/radeon/atombios_crtc.c
index 7c30e2e..e4dd5ac 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -547,8 +547,9 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
int index;
index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
- atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
- &crev);
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+ &crev))
+ return adjusted_clock;
memset(&args, 0, sizeof(args));
@@ -636,8 +637,9 @@ static void atombios_crtc_set_dcpll(struct drm_crtc *crtc)
memset(&args, 0, sizeof(args));
index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
- atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
- &crev);
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+ &crev))
+ return;
switch (frev) {
case 1:
@@ -711,8 +713,9 @@ static void atombios_crtc_set_pll(struct drm_crtc
*crtc, struct drm_display_mode
&ref_div, &post_div);
index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
- atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
- &crev);
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
+ &crev))
+ return;
switch (frev) {
case 1:
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c
b/drivers/gpu/drm/radeon/radeon_atombios.c
index 92e6886..08e5c69 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -75,46 +75,45 @@ static inline struct radeon_i2c_bus_rec
radeon_lookup_i2c_gpio(struct radeon_dev
memset(&i2c, 0, sizeof(struct radeon_i2c_bus_rec));
i2c.valid = false;
- atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset);
-
- i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
-
-
- for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {
- gpio = &i2c_info->asGPIO_Info[i];
-
- if (gpio->sucI2cId.ucAccess == id) {
- i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
- i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
- i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
- i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
- i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
- i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
- i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
- i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
- i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
- i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
- i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
- i2c.en_data_mask = (1 << gpio->ucDataEnShift);
- i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
- i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
- i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
- i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
-
- if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
- i2c.hw_capable = true;
- else
- i2c.hw_capable = false;
-
- if (gpio->sucI2cId.ucAccess == 0xa0)
- i2c.mm_i2c = true;
- else
- i2c.mm_i2c = false;
-
- i2c.i2c_id = gpio->sucI2cId.ucAccess;
-
- i2c.valid = true;
- break;
+ if (atom_parse_data_header(ctx, index, NULL, NULL, NULL, &data_offset)) {
+ i2c_info = (struct _ATOM_GPIO_I2C_INFO *)(ctx->bios + data_offset);
+
+ for (i = 0; i < ATOM_MAX_SUPPORTED_DEVICE; i++) {
+ gpio = &i2c_info->asGPIO_Info[i];
+
+ if (gpio->sucI2cId.ucAccess == id) {
+ i2c.mask_clk_reg = le16_to_cpu(gpio->usClkMaskRegisterIndex) * 4;
+ i2c.mask_data_reg = le16_to_cpu(gpio->usDataMaskRegisterIndex) * 4;
+ i2c.en_clk_reg = le16_to_cpu(gpio->usClkEnRegisterIndex) * 4;
+ i2c.en_data_reg = le16_to_cpu(gpio->usDataEnRegisterIndex) * 4;
+ i2c.y_clk_reg = le16_to_cpu(gpio->usClkY_RegisterIndex) * 4;
+ i2c.y_data_reg = le16_to_cpu(gpio->usDataY_RegisterIndex) * 4;
+ i2c.a_clk_reg = le16_to_cpu(gpio->usClkA_RegisterIndex) * 4;
+ i2c.a_data_reg = le16_to_cpu(gpio->usDataA_RegisterIndex) * 4;
+ i2c.mask_clk_mask = (1 << gpio->ucClkMaskShift);
+ i2c.mask_data_mask = (1 << gpio->ucDataMaskShift);
+ i2c.en_clk_mask = (1 << gpio->ucClkEnShift);
+ i2c.en_data_mask = (1 << gpio->ucDataEnShift);
+ i2c.y_clk_mask = (1 << gpio->ucClkY_Shift);
+ i2c.y_data_mask = (1 << gpio->ucDataY_Shift);
+ i2c.a_clk_mask = (1 << gpio->ucClkA_Shift);
+ i2c.a_data_mask = (1 << gpio->ucDataA_Shift);
+
+ if (gpio->sucI2cId.sbfAccess.bfHW_Capable)
+ i2c.hw_capable = true;
+ else
+ i2c.hw_capable = false;
+
+ if (gpio->sucI2cId.ucAccess == 0xa0)
+ i2c.mm_i2c = true;
+ else
+ i2c.mm_i2c = false;
+
+ i2c.i2c_id = gpio->sucI2cId.ucAccess;
+
+ i2c.valid = true;
+ break;
+ }
}
}
@@ -135,20 +134,21 @@ static inline struct radeon_gpio_rec
radeon_lookup_gpio(struct radeon_device *rd
memset(&gpio, 0, sizeof(struct radeon_gpio_rec));
gpio.valid = false;
- atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset);
-
- gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
+ if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) {
+ gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + data_offset);
- num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
+ num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
+ sizeof(ATOM_GPIO_PIN_ASSIGNMENT);
- for (i = 0; i < num_indices; i++) {
- pin = &gpio_info->asGPIO_Pin[i];
- if (id == pin->ucGPIO_ID) {
- gpio.id = pin->ucGPIO_ID;
- gpio.reg = pin->usGpioPin_AIndex * 4;
- gpio.mask = (1 << pin->ucGpioPinBitShift);
- gpio.valid = true;
- break;
+ for (i = 0; i < num_indices; i++) {
+ pin = &gpio_info->asGPIO_Pin[i];
+ if (id == pin->ucGPIO_ID) {
+ gpio.id = pin->ucGPIO_ID;
+ gpio.reg = pin->usGpioPin_AIndex * 4;
+ gpio.mask = (1 << pin->ucGpioPinBitShift);
+ gpio.valid = true;
+ break;
+ }
}
}
@@ -395,9 +395,7 @@ bool
radeon_get_atom_connector_info_from_object_table(struct drm_device
*dev)
struct radeon_gpio_rec gpio;
struct radeon_hpd hpd;
- atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);
-
- if (data_offset == 0)
+ if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
return false;
if (crev < 2)
@@ -627,20 +625,23 @@ static uint16_t
atombios_get_connector_object_id(struct drm_device *dev,
uint8_t frev, crev;
ATOM_XTMDS_INFO *xtmds;
- atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);
- xtmds = (ATOM_XTMDS_INFO *)(ctx->bios + data_offset);
+ if (atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset)) {
+ xtmds = (ATOM_XTMDS_INFO *)(ctx->bios + data_offset);
- if (xtmds->ucSupportedLink & ATOM_XTMDS_SUPPORTED_DUALLINK) {
- if (connector_type == DRM_MODE_CONNECTOR_DVII)
- return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
- else
- return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
- } else {
- if (connector_type == DRM_MODE_CONNECTOR_DVII)
- return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
- else
- return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
- }
+ if (xtmds->ucSupportedLink & ATOM_XTMDS_SUPPORTED_DUALLINK) {
+ if (connector_type == DRM_MODE_CONNECTOR_DVII)
+ return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_I;
+ else
+ return CONNECTOR_OBJECT_ID_DUAL_LINK_DVI_D;
+ } else {
+ if (connector_type == DRM_MODE_CONNECTOR_DVII)
+ return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_I;
+ else
+ return CONNECTOR_OBJECT_ID_SINGLE_LINK_DVI_D;
+ }
+ } else
+ return supported_devices_connector_object_id_convert
+ [connector_type];
} else {
return supported_devices_connector_object_id_convert
[connector_type];
@@ -672,7 +673,8 @@ bool
radeon_get_atom_connector_info_from_supported_devices_table(struct
int i, j, max_device;
struct bios_connector bios_connectors[ATOM_MAX_SUPPORTED_DEVICE];
- atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset);
+ if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset))
+ return false;
supported_devices =
(union atom_supported_devices *)(ctx->bios + data_offset);
@@ -865,14 +867,11 @@ bool radeon_atom_get_clock_info(struct drm_device *dev)
struct radeon_pll *mpll = &rdev->clock.mpll;
uint16_t data_offset;
- atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
- &crev, &data_offset);
-
- firmware_info =
- (union firmware_info *)(mode_info->atom_context->bios +
- data_offset);
-
- if (firmware_info) {
+ if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset)) {
+ firmware_info =
+ (union firmware_info *)(mode_info->atom_context->bios +
+ data_offset);
/* pixel clocks */
p1pll->reference_freq =
le16_to_cpu(firmware_info->info.usReferenceClock);
@@ -1006,13 +1005,10 @@ bool radeon_atombios_sideport_present(struct
radeon_device *rdev)
u8 frev, crev;
u16 data_offset;
- atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
- &crev, &data_offset);
-
- igp_info = (union igp_info *)(mode_info->atom_context->bios +
+ if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset)) {
+ igp_info = (union igp_info *)(mode_info->atom_context->bios +
data_offset);
-
- if (igp_info) {
switch (crev) {
case 1:
if (igp_info->info.ucMemoryType & 0xf0)
@@ -1043,14 +1039,12 @@ bool radeon_atombios_get_tmds_info(struct
radeon_encoder *encoder,
uint16_t maxfreq;
int i;
- atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
- &crev, &data_offset);
+ if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset)) {
+ tmds_info =
+ (struct _ATOM_TMDS_INFO *)(mode_info->atom_context->bios +
+ data_offset);
- tmds_info =
- (struct _ATOM_TMDS_INFO *)(mode_info->atom_context->bios +
- data_offset);
-
- if (tmds_info) {
maxfreq = le16_to_cpu(tmds_info->usMaxFrequency);
for (i = 0; i < 4; i++) {
tmds->tmds_pll[i].freq =
@@ -1099,13 +1093,11 @@ static struct radeon_atom_ss
*radeon_atombios_get_ss_info(struct
if (id > ATOM_MAX_SS_ENTRY)
return NULL;
- atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
- &crev, &data_offset);
-
- ss_info =
- (struct _ATOM_SPREAD_SPECTRUM_INFO
*)(mode_info->atom_context->bios + data_offset);
+ if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset)) {
+ ss_info =
+ (struct _ATOM_SPREAD_SPECTRUM_INFO
*)(mode_info->atom_context->bios + data_offset);
- if (ss_info) {
ss =
kzalloc(sizeof(struct radeon_atom_ss), GFP_KERNEL);
@@ -1170,13 +1162,10 @@ struct radeon_encoder_atom_dig
*radeon_atombios_get_lvds_info(struct
uint8_t frev, crev;
struct radeon_encoder_atom_dig *lvds = NULL;
- atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
- &crev, &data_offset);
-
- lvds_info =
- (union lvds_info *)(mode_info->atom_context->bios + data_offset);
-
- if (lvds_info) {
+ if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset)) {
+ lvds_info =
+ (union lvds_info *)(mode_info->atom_context->bios + data_offset);
lvds =
kzalloc(sizeof(struct radeon_encoder_atom_dig), GFP_KERNEL);
@@ -1255,11 +1244,10 @@ radeon_atombios_get_primary_dac_info(struct
radeon_encoder *encoder)
uint8_t bg, dac;
struct radeon_encoder_primary_dac *p_dac = NULL;
- atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
&crev, &data_offset);
-
- dac_info = (struct _COMPASSIONATE_DATA
*)(mode_info->atom_context->bios + data_offset);
+ if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset)) {
+ dac_info = (struct _COMPASSIONATE_DATA
*)(mode_info->atom_context->bios + data_offset);
- if (dac_info) {
p_dac = kzalloc(sizeof(struct radeon_encoder_primary_dac), GFP_KERNEL);
if (!p_dac)
@@ -1284,7 +1272,8 @@ bool radeon_atom_get_tv_timings(struct
radeon_device *rdev, int index,
u8 frev, crev;
u16 data_offset, misc;
- atom_parse_data_header(mode_info->atom_context, data_index, NULL,
&frev, &crev, &data_offset);
+ if (!atom_parse_data_header(mode_info->atom_context, data_index,
NULL, &frev, &crev, &data_offset))
+ return false;
switch (crev) {
case 1:
@@ -1376,7 +1365,8 @@ radeon_atombios_get_tv_info(struct radeon_device *rdev)
struct _ATOM_ANALOG_TV_INFO *tv_info;
enum radeon_tv_std tv_std = TV_STD_NTSC;
- atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
&crev, &data_offset);
+ if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
&frev, &crev, &data_offset))
+ return tv_std;
tv_info = (struct _ATOM_ANALOG_TV_INFO
*)(mode_info->atom_context->bios + data_offset);
@@ -1434,7 +1424,8 @@ radeon_atombios_get_tv_dac_info(struct
radeon_encoder *encoder)
uint8_t bg, dac;
struct radeon_encoder_tv_dac *tv_dac = NULL;
- atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
&crev, &data_offset);
+ if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
&frev, &crev, &data_offset))
+ return tv_dac;
dac_info = (struct _COMPASSIONATE_DATA
*)(mode_info->atom_context->bios + data_offset);
@@ -1506,13 +1497,10 @@ void radeon_atombios_get_power_modes(struct
radeon_device *rdev)
int state_index = 0, mode_index = 0;
struct radeon_i2c_bus_rec i2c_bus;
- atom_parse_data_header(mode_info->atom_context, index, NULL, &frev,
&crev, &data_offset);
-
- power_info = (union power_info *)(mode_info->atom_context->bios +
data_offset);
-
rdev->pm.default_power_state = NULL;
- if (power_info) {
+ if (atom_parse_data_header(mode_info->atom_context, index, NULL,
&frev, &crev, &data_offset)) {
+ power_info = (union power_info *)(mode_info->atom_context->bios +
data_offset);
if (frev < 4) {
/* add the i2c bus for thermal/fan chip */
if (power_info->info.ucOverdriveThermalController > 0) {
diff --git a/drivers/gpu/drm/radeon/radeon_display.c
b/drivers/gpu/drm/radeon/radeon_display.c
index d65931d..eca714c 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -368,10 +368,9 @@ static bool radeon_setup_enc_conn(struct drm_device *dev)
if (rdev->bios) {
if (rdev->is_atom_bios) {
- if (rdev->family >= CHIP_R600)
+ ret = radeon_get_atom_connector_info_from_supported_devices_table(dev);
+ if (ret == false)
ret = radeon_get_atom_connector_info_from_object_table(dev);
- else
- ret = radeon_get_atom_connector_info_from_supported_devices_table(dev);
} else {
ret = radeon_get_legacy_connector_info_from_bios(dev);
if (ret == false)
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c
b/drivers/gpu/drm/radeon/radeon_encoders.c
index a236c75..fd4052f 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -519,7 +519,8 @@ atombios_digital_setup(struct drm_encoder
*encoder, int action)
break;
}
- atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+ return;
switch (frev) {
case 1:
@@ -725,7 +726,8 @@ atombios_dig_encoder_setup(struct drm_encoder
*encoder, int action)
}
num = dig->dig_encoder + 1;
- atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+ return;
args.v1.ucAction = action;
args.v1.usPixelClock = cpu_to_le16(radeon_encoder->pixel_clock / 10);
@@ -813,7 +815,8 @@ atombios_dig_transmitter_setup(struct drm_encoder
*encoder, int action, uint8_t
}
}
- atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+ return;
args.v1.ucAction = action;
if (action == ATOM_TRANSMITTER_ACTION_INIT) {
@@ -1103,7 +1106,8 @@ atombios_set_encoder_crtc_source(struct
drm_encoder *encoder)
memset(&args, 0, sizeof(args));
- atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev))
+ return;
switch (frev) {
case 1:
@@ -1411,7 +1415,8 @@ atombios_dac_load_detect(struct drm_encoder
*encoder, struct drm_connector *conn
memset(&args, 0, sizeof(args));
- atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, &crev);
+ if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index,
&frev, &crev))
+ return false;
args.sDacload.ucMisc = 0;
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index da6ad6d..4a1822a 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -56,42 +56,57 @@ static void rs690_gpu_init(struct radeon_device *rdev)
}
}
+union igp_info {
+ struct _ATOM_INTEGRATED_SYSTEM_INFO info;
+ struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_v2;
+};
+
void rs690_pm_info(struct radeon_device *rdev)
{
int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
- struct _ATOM_INTEGRATED_SYSTEM_INFO *info;
- struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 *info_v2;
- void *ptr;
+ union igp_info *info;
uint16_t data_offset;
uint8_t frev, crev;
fixed20_12 tmp;
- atom_parse_data_header(rdev->mode_info.atom_context, index, NULL,
- &frev, &crev, &data_offset);
- ptr = rdev->mode_info.atom_context->bios + data_offset;
- info = (struct _ATOM_INTEGRATED_SYSTEM_INFO *)ptr;
- info_v2 = (struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 *)ptr;
- /* Get various system informations from bios */
- switch (crev) {
- case 1:
- tmp.full = rfixed_const(100);
- rdev->pm.igp_sideport_mclk.full = rfixed_const(info->ulBootUpMemoryClock);
- rdev->pm.igp_sideport_mclk.full =
rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
- rdev->pm.igp_system_mclk.full =
rfixed_const(le16_to_cpu(info->usK8MemoryClock));
- rdev->pm.igp_ht_link_clk.full = rfixed_const(le16_to_cpu(info->usFSBClock));
- rdev->pm.igp_ht_link_width.full = rfixed_const(info->ucHTLinkWidth);
- break;
- case 2:
- tmp.full = rfixed_const(100);
- rdev->pm.igp_sideport_mclk.full =
rfixed_const(info_v2->ulBootUpSidePortClock);
- rdev->pm.igp_sideport_mclk.full =
rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
- rdev->pm.igp_system_mclk.full = rfixed_const(info_v2->ulBootUpUMAClock);
- rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
- rdev->pm.igp_ht_link_clk.full = rfixed_const(info_v2->ulHTLinkFreq);
- rdev->pm.igp_ht_link_clk.full = rfixed_div(rdev->pm.igp_ht_link_clk, tmp);
- rdev->pm.igp_ht_link_width.full =
rfixed_const(le16_to_cpu(info_v2->usMinHTLinkWidth));
- break;
- default:
+ if (atom_parse_data_header(rdev->mode_info.atom_context, index, NULL,
+ &frev, &crev, &data_offset)) {
+ info = (union igp_info *)(rdev->mode_info.atom_context->bios + data_offset);
+
+ /* Get various system informations from bios */
+ switch (crev) {
+ case 1:
+ tmp.full = rfixed_const(100);
+ rdev->pm.igp_sideport_mclk.full =
rfixed_const(info->info.ulBootUpMemoryClock);
+ rdev->pm.igp_sideport_mclk.full =
rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
+ rdev->pm.igp_system_mclk.full =
rfixed_const(le16_to_cpu(info->info.usK8MemoryClock));
+ rdev->pm.igp_ht_link_clk.full =
rfixed_const(le16_to_cpu(info->info.usFSBClock));
+ rdev->pm.igp_ht_link_width.full = rfixed_const(info->info.ucHTLinkWidth);
+ break;
+ case 2:
+ tmp.full = rfixed_const(100);
+ rdev->pm.igp_sideport_mclk.full =
rfixed_const(info->info_v2.ulBootUpSidePortClock);
+ rdev->pm.igp_sideport_mclk.full =
rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
+ rdev->pm.igp_system_mclk.full =
rfixed_const(info->info_v2.ulBootUpUMAClock);
+ rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
+ rdev->pm.igp_ht_link_clk.full = rfixed_const(info->info_v2.ulHTLinkFreq);
+ rdev->pm.igp_ht_link_clk.full = rfixed_div(rdev->pm.igp_ht_link_clk, tmp);
+ rdev->pm.igp_ht_link_width.full =
rfixed_const(le16_to_cpu(info->info_v2.usMinHTLinkWidth));
+ break;
+ default:
+ tmp.full = rfixed_const(100);
+ /* We assume the slower possible clock ie worst case */
+ /* DDR 333Mhz */
+ rdev->pm.igp_sideport_mclk.full = rfixed_const(333);
+ /* FIXME: system clock ? */
+ rdev->pm.igp_system_mclk.full = rfixed_const(100);
+ rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
+ rdev->pm.igp_ht_link_clk.full = rfixed_const(200);
+ rdev->pm.igp_ht_link_width.full = rfixed_const(8);
+ DRM_ERROR("No integrated system info for your GPU, using safe default\n");
+ break;
+ }
+ } else {
tmp.full = rfixed_const(100);
/* We assume the slower possible clock ie worst case */
/* DDR 333Mhz */
@@ -102,7 +117,6 @@ void rs690_pm_info(struct radeon_device *rdev)
rdev->pm.igp_ht_link_clk.full = rfixed_const(200);
rdev->pm.igp_ht_link_width.full = rfixed_const(8);
DRM_ERROR("No integrated system info for your GPU, using safe default\n");
- break;
}
/* Compute various bandwidth */
/* k8_bandwidth = (memory_clk / 2) * 2 * 8 * 0.5 = memory_clk * 4 */
--
1.5.6.3
|