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PR/57059 CVS commit: src/sys/external/bsd/drm2/dist/drm/amd/display/dc



The following reply was made to PR kern/57059; it has been noted by GNATS.

From: "Taylor R Campbell" <riastradh%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/57059 CVS commit: src/sys/external/bsd/drm2/dist/drm/amd/display/dc
Date: Thu, 20 Jul 2023 21:48:49 +0000

 Module Name:	src
 Committed By:	riastradh
 Date:		Thu Jul 20 21:48:49 UTC 2023
 
 Modified Files:
 	src/sys/external/bsd/drm2/dist/drm/amd/display/dc/calcs:
 	    amdgpu_dcn_calcs.c
 	src/sys/external/bsd/drm2/dist/drm/amd/display/dc/dcn20:
 	    amdgpu_dcn20_resource.c
 
 Log Message:
 amdgpu: Mark float-dependent variables volatile.
 
 This way they are computed -- using FP instructions -- before
 DC_FP_END, after which point FP instructions will trap or behave
 unpredictably.
 
 This is a workaround, not a proper solution -- really, the
 DC_FP_START/END calls should happen in a separate compilation unit
 built without -mhard-float or whatever, but that's a lot more work to
 make happen for now.
 
 PR kern/57059
 
 XXX pullup-10
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.3 -r1.4 \
     src/sys/external/bsd/drm2/dist/drm/amd/display/dc/calcs/amdgpu_dcn_calcs.c
 cvs rdiff -u -r1.4 -r1.5 \
     src/sys/external/bsd/drm2/dist/drm/amd/display/dc/dcn20/amdgpu_dcn20_resource.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.
 


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