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drm/amd/display: add null checks before logging

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Adding NULL checks to various parameters in log_tf, to avoid
nullptr errors

Signed-off-by: Wyatt Wood <wyatt.wood@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Acked-by: Nikola Cornij <Nikola.Cornij@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Wyatt Wood 2019-07-31 15:52:46 -04:00 committed by Alex Deucher
parent 43d4baab52
commit ddef02de0d
1 changed files with 6 additions and 3 deletions
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9
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
View file

@ -1503,9 +1503,12 @@ dcn10_set_output_transfer_func(struct pipe_ctx *pipe_ctx,
} else
dpp->funcs->dpp_program_regamma_pwl(dpp, NULL, OPP_REGAMMA_BYPASS);
log_tf(stream->ctx,
stream->out_transfer_func,
dpp->regamma_params.hw_points_num);
if (stream != NULL && stream->ctx != NULL &&
stream->out_transfer_func != NULL) {
log_tf(stream->ctx,
stream->out_transfer_func,
dpp->regamma_params.hw_points_num);
}
return true;
}