drm/amd/display: Make sure line size is not zero in DCN2 line buffer size calculations

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[why]
'Divide by zero' error happens when line size happens to be zero.

[how]
The code that makes sure line size minimum value can be 1 was already
present in DCN1 part of the driver, this is mearly a port to DCN2.

Signed-off-by: Nikola Cornij <nikola.cornij@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Nikola Cornij 2019-04-15 14:32:28 -04:00 • committed by Alex Deucher

parent 7fad39ca4a

commit b01473e919

1 changed files with 13 additions and 4 deletions

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17

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dpp.c

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