From: Alex Deucher Date: Thu, 28 Jun 2018 17:51:06 +0000 (-0500) Subject: drm/amdgpu/pp: fix endian swapping in atomctrl_get_voltage_range X-Git-Tag: v4.19~298^2~34^2~37 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=594c34cc6f31807f23aae5c9cec6dea31d782f90;p=platform%2Fkernel%2Flinux-rpi.git drm/amdgpu/pp: fix endian swapping in atomctrl_get_voltage_range Need to swap before doing arthimetic on the values. Reviewed-by: Rex Zhu Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c index 7047e29..01dc46d 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/ppatomctrl.c @@ -1544,14 +1544,14 @@ void atomctrl_get_voltage_range(struct pp_hwmgr *hwmgr, uint32_t *max_vddc, switch (hwmgr->chip_id) { case CHIP_TONGA: case CHIP_FIJI: - *max_vddc = le32_to_cpu(((ATOM_ASIC_PROFILING_INFO_V3_3 *)profile)->ulMaxVddc/4); - *min_vddc = le32_to_cpu(((ATOM_ASIC_PROFILING_INFO_V3_3 *)profile)->ulMinVddc/4); + *max_vddc = le32_to_cpu(((ATOM_ASIC_PROFILING_INFO_V3_3 *)profile)->ulMaxVddc) / 4; + *min_vddc = le32_to_cpu(((ATOM_ASIC_PROFILING_INFO_V3_3 *)profile)->ulMinVddc) / 4; return; case CHIP_POLARIS11: case CHIP_POLARIS10: case CHIP_POLARIS12: - *max_vddc = le32_to_cpu(((ATOM_ASIC_PROFILING_INFO_V3_6 *)profile)->ulMaxVddc/100); - *min_vddc = le32_to_cpu(((ATOM_ASIC_PROFILING_INFO_V3_6 *)profile)->ulMinVddc/100); + *max_vddc = le32_to_cpu(((ATOM_ASIC_PROFILING_INFO_V3_6 *)profile)->ulMaxVddc) / 100; + *min_vddc = le32_to_cpu(((ATOM_ASIC_PROFILING_INFO_V3_6 *)profile)->ulMinVddc) / 100; return; default: break;