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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jul 2021 04:48:05.6594 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b6b57cd7-6f0f-41f0-30a0-08d94c02bad3 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT055.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR12MB1904 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an attempt to have generic FPU enable/disable calls similar to x86. So that we can simplify gpu/drm/amd/display/dc/os_types.h Also adds FPU correctness logic seen in x86. v2: - Added asm/fpu/api.h powerpc variant with kernel_fpu_begin/end() and kernel_fpu_enabled() declarations - Updated kernel_fpu_enabled as EXPORT_SYMBOL_GPL - Got rid of macro switch for PPC in dc/os_types.h as header file with same name as x86 is added by previous patch in the series Anson Jacob (2): ppc/fpu: Add generic FPU api similar to x86 drm/amd/display: Use PPC FPU functions arch/powerpc/include/asm/fpu/api.h | 18 +++ arch/powerpc/include/asm/switch_to.h | 25 +---- arch/powerpc/kernel/process.c | 130 ++++++++++++++++++++++ drivers/gpu/drm/amd/display/dc/os_types.h | 29 ----- 4 files changed, 151 insertions(+), 51 deletions(-) create mode 100644 arch/powerpc/include/asm/fpu/api.h -- 2.25.1