Re: [PATCH v3 1/1] drm/amd/display: add DCN support for ARM64

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Am 28.10.22 um 17:09 schrieb Nathan Chancellor:

> Additionally, I see the following errors with GCC 12.2.1 from Fedora
> when building allmodconfig. Seems like some $(dml_rcflags) might be
> missing.
>
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c: In function ‘dcn10_resource_construct_fp’:
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c:1313:52: error: ‘-mgeneral-regs-only’ is incompatible with the use of floating-point types
>   1313 |                 dcn_soc->dram_clock_change_latency = 23;
>         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c:1317:45: error: ‘-mgeneral-regs-only’ is incompatible with the use of floating-point types
>   1317 |                 dc->dcn_soc->urgent_latency = 3;
>         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c:1319:64: error: ‘-mgeneral-regs-only’ is incompatible with the use of floating-point types
>   1319 |                 dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9 = 41.60f;
>         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c:1329:64: error: ‘-mgeneral-regs-only’ is incompatible with the use of floating-point types
>   1329 |                 dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9 = 19.2f;
>         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c:1330:64: error: ‘-mgeneral-regs-only’ is incompatible with the use of floating-point types
>   1330 |                 dc->dcn_soc->fabric_and_dram_bandwidth_vnom0p8 = 17.066f;
>         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c:1331:65: error: ‘-mgeneral-regs-only’ is incompatible with the use of floating-point types
>   1331 |                 dc->dcn_soc->fabric_and_dram_bandwidth_vmid0p72 = 14.933f;
>         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c:1332:65: error: ‘-mgeneral-regs-only’ is incompatible with the use of floating-point types
>   1332 |                 dc->dcn_soc->fabric_and_dram_bandwidth_vmin0p65 = 12.8f;
>         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.c:1334:72: error: ‘-mgeneral-regs-only’ is incompatible with the use of floating-point types
>   1334 |                         dc->dcn_soc->fabric_and_dram_bandwidth_vmax0p9 = 20.80f;
>         |                         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
>   make[6]: *** [scripts/Makefile.build:250: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_resource.o] Error 1
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_resource.c: In function ‘dcn32_populate_dml_pipes_from_context’:
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_resource.c:1921:70: error: ‘-mgeneral-regs-only’ is incompatible with the use of floating-point types
>   1921 |                 pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_luma = 0;
>         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
>   drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_resource.c:1922:72: error: ‘-mgeneral-regs-only’ is incompatible with the use of floating-point types
>   1922 |                 pipes[pipe_cnt].pipe.src.dcc_fraction_of_zs_req_chroma = 0;
>         |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~
>   make[6]: *** [scripts/Makefile.build:250: drivers/gpu/drm/amd/amdgpu/../display/dc/dcn32/dcn32_resource.o] Error 1
Hi Nathan,

it seems like you haven't merged my patch to isolate the remaining FPU code.

Links: https://patchwork.freedesktop.org/patch/508813/
Links: https://patchwork.freedesktop.org/patch/508816/

Rodrigo says both patches have been applied, but I haven't seen them in the amd-staging-drm-next branch.

This error occurs because the remaining FPU code in dcn10_resource.c has not been isolated.

Ao



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