On 2022-07-24 17:41, Stephen Rothwell wrote:
Hi all,

On Fri, 22 Jul 2022 14:12:44 -0400 Alex Deucher <alexdeuc...@gmail.com> wrote:

On Fri, Jul 22, 2022 at 1:56 PM Rodrigo Siqueira <rodrigo.sique...@amd.com> 
wrote:

When we use the allmodconfig option we see the following error:

drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_32.c: In 
function 'dml32_ModeSupportAndSystemConfigurationFull':
drivers/gpu/drm/amd/amdgpu/../display/dc/dml/dcn32/display_mode_vba_32.c:3799:1:
 error: the frame size of 2464 bytes is larger than 2048 bytes 
[-Werror=frame-larger-than=]
   3799 | } // ModeSupportAndSystemConfigurationFull

This commit fixes this issue by moving part of the mode support
operation from ModeSupportAndSystemConfigurationFull to a dedicated
function.

Cc: Harry Wentland <harry.wentl...@amd.com>
Cc: Alex Deucher <alexander.deuc...@amd.com>
Cc: Aurabindo Pillai <aurabindo.pil...@amd.com>
Cc: Stephen Rothwell <s...@canb.auug.org.au>
Signed-off-by: Rodrigo Siqueira <rodrigo.sique...@amd.com>

Thanks for sorting this out!
Acked-by: Alex Deucher <alexander.deuc...@amd.com>

Tested-by: Stephen Rothwell <s...@canb.auug.org.au>

Also, after applying the above patch, the following commits are no
longer needed:

987949933127 drm/amd/display: reduce stack for dml32_CalculatePrefetchSchedule
8f08cd32b767 drm/amd/display: reduce stack for 
dml32_CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport
5d526d124fe3 drm/amd/display: reduce stack for dml32_CalculateVMRowAndSwath
f6ceebcc7825 drm/amd/display: reduce stack for 
dml32_CalculateSwathAndDETConfiguration

and could be reverted (or removed).

Ohhh... that's nice!

Alex, if you don't mind, I would prefer to revert the above patches to keep things simpler. If it is ok for you, I can prepare the revert patches.

Thanks
Siqueira

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