From: Alex Deucher Date: Thu, 18 Mar 2010 05:04:01 +0000 (-0400) Subject: drm/radeon/kms/atom: make sure tables are valid (v2) X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a084e6ee6e64a76f1a9665d527203cdab7d6048f;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git drm/radeon/kms/atom: make sure tables are valid (v2) Check that atom cmd and data tables are valid before using them. (v2) - fix some whitespace errors noticed by Rafał Miłecki - check a few more cases Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c index b7fe660985c4..247f8ee7e940 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 1b2626314804..cd1b64ab5ca7 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 94aa6b293e0f..56107b3a997f 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -541,8 +541,9 @@ 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)); @@ -630,8 +631,9 @@ 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: @@ -705,8 +707,9 @@ 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 3733cb787798..f0ea7f8da678 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); + if (atom_parse_data_header(ctx, index, &size, NULL, NULL, &data_offset)) { + gpio_info = (struct _ATOM_GPIO_PIN_LUT *)(ctx->bios + 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) @@ -449,37 +447,43 @@ bool radeon_get_atom_connector_info_from_object_table(struct drm_device *dev) GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); - atom_parse_data_header(ctx, index, &size, &frev, - &crev, &igp_offset); - - if (crev >= 2) { - igp_obj = - (ATOM_INTEGRATED_SYSTEM_INFO_V2 - *) (ctx->bios + igp_offset); - - if (igp_obj) { - uint32_t slot_config, ct; - - if (con_obj_num == 1) - slot_config = - igp_obj-> - ulDDISlot1Config; - else - slot_config = - igp_obj-> - ulDDISlot2Config; - - ct = (slot_config >> 16) & 0xff; - connector_type = - object_connector_convert - [ct]; - connector_object_id = ct; - igp_lane_info = - slot_config & 0xffff; + if (atom_parse_data_header(ctx, index, &size, &frev, + &crev, &igp_offset)) { + + if (crev >= 2) { + igp_obj = + (ATOM_INTEGRATED_SYSTEM_INFO_V2 + *) (ctx->bios + igp_offset); + + if (igp_obj) { + uint32_t slot_config, ct; + + if (con_obj_num == 1) + slot_config = + igp_obj-> + ulDDISlot1Config; + else + slot_config = + igp_obj-> + ulDDISlot2Config; + + ct = (slot_config >> 16) & 0xff; + connector_type = + object_connector_convert + [ct]; + connector_object_id = ct; + igp_lane_info = + slot_config & 0xffff; + } else + continue; } else continue; - } else - continue; + } else { + igp_lane_info = 0; + connector_type = + object_connector_convert[con_obj_id]; + connector_object_id = con_obj_id; + } } else { igp_lane_info = 0; connector_type = @@ -627,20 +631,23 @@ 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 +679,8 @@ 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 +873,11 @@ 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 +1011,10 @@ 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 +1045,12 @@ 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 +1099,11 @@ 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); @@ -1146,13 +1144,10 @@ 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); @@ -1228,11 +1223,11 @@ 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); + 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); - 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) @@ -1257,7 +1252,9 @@ 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: @@ -1349,47 +1346,50 @@ 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)) { - tv_info = (struct _ATOM_ANALOG_TV_INFO *)(mode_info->atom_context->bios + data_offset); + tv_info = (struct _ATOM_ANALOG_TV_INFO *) + (mode_info->atom_context->bios + data_offset); - switch (tv_info->ucTV_BootUpDefaultStandard) { - case ATOM_TV_NTSC: - tv_std = TV_STD_NTSC; - DRM_INFO("Default TV standard: NTSC\n"); - break; - case ATOM_TV_NTSCJ: - tv_std = TV_STD_NTSC_J; - DRM_INFO("Default TV standard: NTSC-J\n"); - break; - case ATOM_TV_PAL: - tv_std = TV_STD_PAL; - DRM_INFO("Default TV standard: PAL\n"); - break; - case ATOM_TV_PALM: - tv_std = TV_STD_PAL_M; - DRM_INFO("Default TV standard: PAL-M\n"); - break; - case ATOM_TV_PALN: - tv_std = TV_STD_PAL_N; - DRM_INFO("Default TV standard: PAL-N\n"); - break; - case ATOM_TV_PALCN: - tv_std = TV_STD_PAL_CN; - DRM_INFO("Default TV standard: PAL-CN\n"); - break; - case ATOM_TV_PAL60: - tv_std = TV_STD_PAL_60; - DRM_INFO("Default TV standard: PAL-60\n"); - break; - case ATOM_TV_SECAM: - tv_std = TV_STD_SECAM; - DRM_INFO("Default TV standard: SECAM\n"); - break; - default: - tv_std = TV_STD_NTSC; - DRM_INFO("Unknown TV standard; defaulting to NTSC\n"); - break; + switch (tv_info->ucTV_BootUpDefaultStandard) { + case ATOM_TV_NTSC: + tv_std = TV_STD_NTSC; + DRM_INFO("Default TV standard: NTSC\n"); + break; + case ATOM_TV_NTSCJ: + tv_std = TV_STD_NTSC_J; + DRM_INFO("Default TV standard: NTSC-J\n"); + break; + case ATOM_TV_PAL: + tv_std = TV_STD_PAL; + DRM_INFO("Default TV standard: PAL\n"); + break; + case ATOM_TV_PALM: + tv_std = TV_STD_PAL_M; + DRM_INFO("Default TV standard: PAL-M\n"); + break; + case ATOM_TV_PALN: + tv_std = TV_STD_PAL_N; + DRM_INFO("Default TV standard: PAL-N\n"); + break; + case ATOM_TV_PALCN: + tv_std = TV_STD_PAL_CN; + DRM_INFO("Default TV standard: PAL-CN\n"); + break; + case ATOM_TV_PAL60: + tv_std = TV_STD_PAL_60; + DRM_INFO("Default TV standard: PAL-60\n"); + break; + case ATOM_TV_SECAM: + tv_std = TV_STD_SECAM; + DRM_INFO("Default TV standard: SECAM\n"); + break; + default: + tv_std = TV_STD_NTSC; + DRM_INFO("Unknown TV standard; defaulting to NTSC\n"); + break; + } } return tv_std; } @@ -1407,11 +1407,12 @@ 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)) { - dac_info = (struct _COMPASSIONATE_DATA *)(mode_info->atom_context->bios + data_offset); + dac_info = (struct _COMPASSIONATE_DATA *) + (mode_info->atom_context->bios + data_offset); - if (dac_info) { tv_dac = kzalloc(sizeof(struct radeon_encoder_tv_dac), GFP_KERNEL); if (!tv_dac) @@ -1479,13 +1480,11 @@ 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 d65931d2e77a..eca714c381de 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 a236c75496c4..fd4052f71bf3 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 e356935b0283..f758d5cc1160 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c @@ -58,42 +58,57 @@ 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 */ @@ -104,7 +119,6 @@ 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 */