From: Alex Deucher Date: Mon, 22 Nov 2010 22:56:35 +0000 (-0500) Subject: drm/radeon/kms: add power table parsing support for Ontario fusion APUs X-Git-Tag: v3.12-rc1~7794^2~40^2~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b0e664140a170382531a8c8b5396bf7e6903d5e3;p=kernel%2Fkernel-generic.git drm/radeon/kms: add power table parsing support for Ontario fusion APUs The vbios power tables on my inagua board seem a bit funky... Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 7056e20..ac88263 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1766,7 +1766,8 @@ static const char *pp_lib_thermal_controller_names[] = { "NONE", "External GPIO", "Evergreen", - "adt7473 with internal", + "emc2103", + "Sumo", }; union power_info { @@ -1774,12 +1775,15 @@ union power_info { struct _ATOM_POWERPLAY_INFO_V2 info_2; struct _ATOM_POWERPLAY_INFO_V3 info_3; struct _ATOM_PPLIB_POWERPLAYTABLE pplib; + struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2; + struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3; }; union pplib_clock_info { struct _ATOM_PPLIB_R600_CLOCK_INFO r600; struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780; struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen; + struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo; }; union pplib_power_state { @@ -2022,10 +2026,17 @@ static void radeon_atombios_add_pplib_thermal_controller(struct radeon_device *r (controller->ucFanParameters & ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); rdev->pm.int_thermal_type = THERMAL_TYPE_EVERGREEN; + } else if (controller->ucType == ATOM_PP_THERMALCONTROLLER_SUMO) { + DRM_INFO("Internal thermal controller %s fan control\n", + (controller->ucFanParameters & + ATOM_PP_FANPARAMETERS_NOFAN) ? "without" : "with"); + rdev->pm.int_thermal_type = THERMAL_TYPE_SUMO; } else if ((controller->ucType == ATOM_PP_THERMALCONTROLLER_EXTERNAL_GPIO) || (controller->ucType == - ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL)) { + ATOM_PP_THERMALCONTROLLER_ADT7473_WITH_INTERNAL) || + (controller->ucType == + ATOM_PP_THERMALCONTROLLER_EMC2103_WITH_INTERNAL)) { DRM_INFO("Special thermal controller config\n"); } else { DRM_INFO("Possible %s thermal controller at 0x%02x %s fan control\n", @@ -2129,9 +2140,15 @@ static bool radeon_atombios_parse_pplib_clock_info(struct radeon_device *rdev, u32 sclk, mclk; if (rdev->flags & RADEON_IS_IGP) { - sclk = le16_to_cpu(clock_info->rs780.usLowEngineClockLow); - sclk |= clock_info->rs780.ucLowEngineClockHigh << 16; - rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk; + if (rdev->family >= CHIP_PALM) { + sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow); + sclk |= clock_info->sumo.ucEngineClockHigh << 16; + rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk; + } else { + sclk = le16_to_cpu(clock_info->rs780.usLowEngineClockLow); + sclk |= clock_info->rs780.ucLowEngineClockHigh << 16; + rdev->pm.power_state[state_index].clock_info[mode_index].sclk = sclk; + } } else if (ASIC_IS_DCE4(rdev)) { sclk = le16_to_cpu(clock_info->evergreen.usEngineClockLow); sclk |= clock_info->evergreen.ucEngineClockHigh << 16; @@ -2237,6 +2254,82 @@ static int radeon_atombios_parse_power_table_4_5(struct radeon_device *rdev) return state_index; } +static int radeon_atombios_parse_power_table_6(struct radeon_device *rdev) +{ + struct radeon_mode_info *mode_info = &rdev->mode_info; + struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info; + union pplib_power_state *power_state; + int i, j, non_clock_array_index, clock_array_index; + int state_index = 0, mode_index = 0; + union pplib_clock_info *clock_info; + struct StateArray *state_array; + struct ClockInfoArray *clock_info_array; + struct NonClockInfoArray *non_clock_info_array; + bool valid; + union power_info *power_info; + int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo); + u16 data_offset; + u8 frev, crev; + + if (!atom_parse_data_header(mode_info->atom_context, index, NULL, + &frev, &crev, &data_offset)) + return state_index; + power_info = (union power_info *)(mode_info->atom_context->bios + data_offset); + + radeon_atombios_add_pplib_thermal_controller(rdev, &power_info->pplib.sThermalController); + state_array = (struct StateArray *) + (mode_info->atom_context->bios + data_offset + + power_info->pplib.usStateArrayOffset); + clock_info_array = (struct ClockInfoArray *) + (mode_info->atom_context->bios + data_offset + + power_info->pplib.usClockInfoArrayOffset); + non_clock_info_array = (struct NonClockInfoArray *) + (mode_info->atom_context->bios + data_offset + + power_info->pplib.usNonClockInfoArrayOffset); + for (i = 0; i < state_array->ucNumEntries; i++) { + mode_index = 0; + power_state = (union pplib_power_state *)&state_array->states[i]; + /* XXX this might be an inagua bug... */ + non_clock_array_index = i; /* power_state->v2.nonClockInfoIndex */ + non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *) + &non_clock_info_array->nonClockInfo[non_clock_array_index]; + for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) { + clock_array_index = power_state->v2.clockInfoIndex[j]; + /* XXX this might be an inagua bug... */ + if (clock_array_index >= clock_info_array->ucNumEntries) + continue; + clock_info = (union pplib_clock_info *) + &clock_info_array->clockInfo[clock_array_index]; + valid = radeon_atombios_parse_pplib_clock_info(rdev, + state_index, mode_index, + clock_info); + if (valid) + mode_index++; + } + rdev->pm.power_state[state_index].num_clock_modes = mode_index; + if (mode_index) { + radeon_atombios_parse_pplib_non_clock_info(rdev, state_index, mode_index, + non_clock_info); + state_index++; + } + } + /* if multiple clock modes, mark the lowest as no display */ + for (i = 0; i < state_index; i++) { + if (rdev->pm.power_state[i].num_clock_modes > 1) + rdev->pm.power_state[i].clock_info[0].flags |= + RADEON_PM_MODE_NO_DISPLAY; + } + /* first mode is usually default */ + if (rdev->pm.default_power_state_index == -1) { + rdev->pm.power_state[0].type = + POWER_STATE_TYPE_DEFAULT; + rdev->pm.default_power_state_index = 0; + rdev->pm.power_state[0].default_clock_mode = + &rdev->pm.power_state[0].clock_info[0]; + } + return state_index; +} + void radeon_atombios_get_power_modes(struct radeon_device *rdev) { struct radeon_mode_info *mode_info = &rdev->mode_info; @@ -2259,6 +2352,9 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev) case 5: state_index = radeon_atombios_parse_power_table_4_5(rdev); break; + case 6: + state_index = radeon_atombios_parse_power_table_6(rdev); + break; default: break; }