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drm.7971
0513-drm-amd-pp-fix-typecast-error-in-powerplay...
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File 0513-drm-amd-pp-fix-typecast-error-in-powerplay.patch of Package drm.7971
From fb541279bbe07a2e14ee9324c336984ae23e23c3 Mon Sep 17 00:00:00 2001 From: Rex Zhu <Rex.Zhu@amd.com> Date: Fri, 17 Nov 2017 16:41:16 +0800 Subject: [PATCH] drm/amd/pp: fix typecast error in powerplay. commit 8d8258bdab735d9f3c4b78e091ecfbb2b2b1f2ca upstream. resulted in unexpected data truncation Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/process_pptables_v1_0.c @@ -850,9 +850,9 @@ static int init_over_drive_limits( const ATOM_Tonga_POWERPLAYTABLE *powerplay_table) { hwmgr->platform_descriptor.overdriveLimit.engineClock = - le16_to_cpu(powerplay_table->ulMaxODEngineClock); + le32_to_cpu(powerplay_table->ulMaxODEngineClock); hwmgr->platform_descriptor.overdriveLimit.memoryClock = - le16_to_cpu(powerplay_table->ulMaxODMemoryClock); + le32_to_cpu(powerplay_table->ulMaxODMemoryClock); hwmgr->platform_descriptor.minOverdriveVDDC = 0; hwmgr->platform_descriptor.maxOverdriveVDDC = 0;
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