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drm/radeon/dpm: pull in ppm info from atom

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Used by SI dpm.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher
2013-03-20 13:00:18 -04:00
parent 9985318b7f
commit a5cb318e3f
2 changed files with 61 additions and 0 deletions
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47
drivers/gpu/drm/radeon/r600_dpm.c
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@@ -769,6 +769,14 @@ static int r600_parse_clk_voltage_dep_table(struct radeon_clock_voltage_dependen
return 0;
}
/* sizeof(ATOM_PPLIB_EXTENDEDHEADER) */
#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V2 12
#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V3 14
#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V4 16
#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5 18
#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V6 20
#define SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V7 22
int r600_parse_extended_power_table(struct radeon_device *rdev)
{
struct radeon_mode_info *mode_info = &rdev->mode_info;
@@ -925,6 +933,43 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
}
}
/* ppm table */
if (le16_to_cpu(power_info->pplib.usTableSize) >=
sizeof(struct _ATOM_PPLIB_POWERPLAYTABLE3)) {
ATOM_PPLIB_EXTENDEDHEADER *ext_hdr = (ATOM_PPLIB_EXTENDEDHEADER *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(power_info->pplib3.usExtendendedHeaderOffset));
if ((le16_to_cpu(ext_hdr->usSize) >= SIZE_OF_ATOM_PPLIB_EXTENDEDHEADER_V5) &&
ext_hdr->usPPMTableOffset) {
ATOM_PPLIB_PPM_Table *ppm = (ATOM_PPLIB_PPM_Table *)
(mode_info->atom_context->bios + data_offset +
le16_to_cpu(ext_hdr->usPPMTableOffset));
rdev->pm.dpm.dyn_state.ppm_table =
kzalloc(sizeof(struct radeon_ppm_table), GFP_KERNEL);
if (!rdev->pm.dpm.dyn_state.ppm_table)
return -ENOMEM;
rdev->pm.dpm.dyn_state.ppm_table->ppm_design = ppm->ucPpmDesign;
rdev->pm.dpm.dyn_state.ppm_table->cpu_core_number =
le16_to_cpu(ppm->usCpuCoreNumber);
rdev->pm.dpm.dyn_state.ppm_table->platform_tdp =
le32_to_cpu(ppm->ulPlatformTDP);
rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdp =
le32_to_cpu(ppm->ulSmallACPlatformTDP);
rdev->pm.dpm.dyn_state.ppm_table->platform_tdc =
le32_to_cpu(ppm->ulPlatformTDC);
rdev->pm.dpm.dyn_state.ppm_table->small_ac_platform_tdc =
le32_to_cpu(ppm->ulSmallACPlatformTDC);
rdev->pm.dpm.dyn_state.ppm_table->apu_tdp =
le32_to_cpu(ppm->ulApuTDP);
rdev->pm.dpm.dyn_state.ppm_table->dgpu_tdp =
le32_to_cpu(ppm->ulDGpuTDP);
rdev->pm.dpm.dyn_state.ppm_table->dgpu_ulv_power =
le32_to_cpu(ppm->ulDGpuUlvPower);
rdev->pm.dpm.dyn_state.ppm_table->tj_max =
le32_to_cpu(ppm->ulTjmax);
}
}
return 0;
}
@@ -940,4 +985,6 @@ void r600_free_extended_power_table(struct radeon_device *rdev)
kfree(rdev->pm.dpm.dyn_state.cac_leakage_table.entries);
if (rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries)
kfree(rdev->pm.dpm.dyn_state.phase_shedding_limits_table.entries);
if (rdev->pm.dpm.dyn_state.ppm_table)
kfree(rdev->pm.dpm.dyn_state.ppm_table);
}