lkml.org 
[lkml]   [2021]   [Jul]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[RFC v2 2/2] drm/amd/display: Use PPC FPU functions
    Date
    Use kernel_fpu_begin & kernel_fpu_end for PPC

    Depends on "ppc/fpu: Add generic FPU api similar to x86"

    v2:
    - Got rid of macro switch for PPC as header file with same
    name as x86 is added by previous patch in the series

    Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
    CC: Christoph Hellwig <hch@infradead.org>
    CC: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
    CC: Harry Wentland <harry.wentland@amd.com>
    CC: Christian König <christian.koenig@amd.com>
    ---
    drivers/gpu/drm/amd/display/dc/os_types.h | 29 -----------------------
    1 file changed, 29 deletions(-)

    diff --git a/drivers/gpu/drm/amd/display/dc/os_types.h b/drivers/gpu/drm/amd/display/dc/os_types.h
    index 126c2f3a4dd3..47ef434f93d8 100644
    --- a/drivers/gpu/drm/amd/display/dc/os_types.h
    +++ b/drivers/gpu/drm/amd/display/dc/os_types.h
    @@ -51,38 +51,9 @@
    #define dm_error(fmt, ...) DRM_ERROR(fmt, ##__VA_ARGS__)

    #if defined(CONFIG_DRM_AMD_DC_DCN)
    -#if defined(CONFIG_X86)
    #include <asm/fpu/api.h>
    #define DC_FP_START() kernel_fpu_begin()
    #define DC_FP_END() kernel_fpu_end()
    -#elif defined(CONFIG_PPC64)
    -#include <asm/switch_to.h>
    -#include <asm/cputable.h>
    -#define DC_FP_START() { \
    - if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \
    - preempt_disable(); \
    - enable_kernel_vsx(); \
    - } else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) { \
    - preempt_disable(); \
    - enable_kernel_altivec(); \
    - } else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) { \
    - preempt_disable(); \
    - enable_kernel_fp(); \
    - } \
    -}
    -#define DC_FP_END() { \
    - if (cpu_has_feature(CPU_FTR_VSX_COMP)) { \
    - disable_kernel_vsx(); \
    - preempt_enable(); \
    - } else if (cpu_has_feature(CPU_FTR_ALTIVEC_COMP)) { \
    - disable_kernel_altivec(); \
    - preempt_enable(); \
    - } else if (!cpu_has_feature(CPU_FTR_FPU_UNAVAILABLE)) { \
    - disable_kernel_fp(); \
    - preempt_enable(); \
    - } \
    -}
    -#endif
    #endif

    /*
    --
    2.25.1
    \
     
     \ /
      Last update: 2021-07-21 06:49    [W:2.863 / U:0.600 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site