]> git.baikalelectronics.ru Git - kernel.git/commit
drm/amd/display: Pass display_pipe_params_st as const in DML
authorHarry Wentland <harry.wentland@amd.com>
Tue, 7 Sep 2021 23:40:06 +0000 (19:40 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 23 Sep 2021 19:17:29 +0000 (15:17 -0400)
commit0464453a0de7fa2703b53a5069ca4c9a047ae7f1
tree5b0d8d806874ef691ab0fba9ed6af4abc9fcb54e
parentebb570c89866c7103c0375efac96aa5cb6e874c3
drm/amd/display: Pass display_pipe_params_st as const in DML

[Why]
This neither needs to be on the stack nor passed by value
to each function call. In fact, when building with clang
it seems to break the Linux's default 1024 byte stack
frame limit.

[How]
We can simply pass this as a const pointer.

This patch fixes these Coverity IDs
Addresses-Coverity-ID: 1424031: ("Big parameter passed by value")
Addresses-Coverity-ID: 1423970: ("Big parameter passed by value")
Addresses-Coverity-ID: 1423941: ("Big parameter passed by value")
Addresses-Coverity-ID: 1451742: ("Big parameter passed by value")
Addresses-Coverity-ID: 1451887: ("Big parameter passed by value")
Addresses-Coverity-ID: 1454146: ("Big parameter passed by value")
Addresses-Coverity-ID: 1454152: ("Big parameter passed by value")
Addresses-Coverity-ID: 1454413: ("Big parameter passed by value")
Addresses-Coverity-ID: 1466144: ("Big parameter passed by value")
Addresses-Coverity-ID: 1487237: ("Big parameter passed by value")

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Fixes: c59c48099f1d ("Enable '-Werror' by default for all kernel builds")
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: amd-gfx@lists.freedesktop.org
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Cc: Arnd Bergmann <arnd@kernel.org>
Cc: Leo Li <sunpeng.li@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Cc: Xinhui Pan <Xinhui.Pan@amd.com>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: llvm@lists.linux.dev
Acked-by: Christian König <christian.koenig@amd.com>
Build-tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
12 files changed:
drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c
drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.c
drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20.h
drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.c
drivers/gpu/drm/amd/display/dc/dml/dcn20/display_rq_dlg_calc_20v2.h
drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.c
drivers/gpu/drm/amd/display/dc/dml/dcn21/display_rq_dlg_calc_21.h
drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.h
drivers/gpu/drm/amd/display/dc/dml/dcn31/display_rq_dlg_calc_31.c
drivers/gpu/drm/amd/display/dc/dml/dcn31/display_rq_dlg_calc_31.h
drivers/gpu/drm/amd/display/dc/dml/display_mode_lib.h