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drm/amd/display: Wrap dcn32_override_min_req_memclk() in DC_FP_{START, END}

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[Why]
The dcn32_override_min_req_memclk function is in dcn32_fpu.c, which is
compiled with CC_FLAGS_FPU into FP instructions.  So when we call it we
must use DC_FP_{START,END} to save and restore the FP context, and
prepare the FP unit on architectures like LoongArch where the FP unit
isn't always on.

Reported-by: LiarOnce <liaronce@hotmail.com>
Fixes: ee7be8f3de ("drm/amd/display: Limit DCN32 8 channel or less parts to DPM1 for FPO")
Signed-off-by: Xi Ruoyao <xry111@xry111.site>
Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 25bb1d54ba)
Cc: stable@vger.kernel.org
This commit is contained in:
Xi Ruoyao 2026-03-06 14:28:03 +08:00 committed by Alex Deucher
parent 1071815989
commit ebe82c6e75
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c
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@ -1785,7 +1785,10 @@ static bool dml1_validate(struct dc *dc, struct dc_state *context, enum dc_valid
dc->res_pool->funcs->calculate_wm_and_dlg(dc, context, pipes, pipe_cnt, vlevel);
DC_FP_START();
dcn32_override_min_req_memclk(dc, context);
DC_FP_END();
dcn32_override_min_req_dcfclk(dc, context);
BW_VAL_TRACE_END_WATERMARKS();