From c5e8ce61d64995f4076c6a9b2f8b4b71e0be2e37 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Thu, 27 May 2010 17:01:40 -0400 Subject: [PATCH] drm/radeon/kms/pm: patch default power state with default clocks/voltages on r6xx+ The default power state does not always match the default clocks and voltage for a particular card. The information in the firmware info table is correct and should be used in preference to the info the default power state. Signed-off-by: Alex Deucher Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/radeon_atombios.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c index 24ebb4e..42bcaf4 100644 --- a/drivers/gpu/drm/radeon/radeon_atombios.c +++ b/drivers/gpu/drm/radeon/radeon_atombios.c @@ -1755,9 +1755,22 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev) rdev->pm.power_state[state_index].misc2 = 0; } } else { + int fw_index = GetIndexIntoMasterTable(DATA, FirmwareInfo); + uint8_t fw_frev, fw_crev; + uint16_t fw_data_offset, vddc = 0; + union firmware_info *firmware_info; + ATOM_PPLIB_THERMALCONTROLLER *controller = &power_info->info_4.sThermalController; + + if (atom_parse_data_header(mode_info->atom_context, fw_index, NULL, + &fw_frev, &fw_crev, &fw_data_offset)) { + firmware_info = + (union firmware_info *)(mode_info->atom_context->bios + + fw_data_offset); + vddc = firmware_info->info_14.usBootUpVDDCVoltage; + } + /* add the i2c bus for thermal/fan chip */ /* no support for internal controller yet */ - ATOM_PPLIB_THERMALCONTROLLER *controller = &power_info->info_4.sThermalController; if (controller->ucType > 0) { if ((controller->ucType == ATOM_PP_THERMALCONTROLLER_RV6xx) || (controller->ucType == ATOM_PP_THERMALCONTROLLER_RV770) || @@ -1904,6 +1917,16 @@ void radeon_atombios_get_power_modes(struct radeon_device *rdev) rdev->pm.default_power_state_index = state_index; rdev->pm.power_state[state_index].default_clock_mode = &rdev->pm.power_state[state_index].clock_info[mode_index - 1]; + /* patch the table values with the default slck/mclk from firmware info */ + for (j = 0; j < mode_index; j++) { + rdev->pm.power_state[state_index].clock_info[j].mclk = + rdev->clock.default_mclk; + rdev->pm.power_state[state_index].clock_info[j].sclk = + rdev->clock.default_sclk; + if (vddc) + rdev->pm.power_state[state_index].clock_info[j].voltage.voltage = + vddc; + } } state_index++; } -- 1.8.2.3