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drm/amd/display: Deallocate DML memory if allocation fails

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[Why]
When DC state create DML memory allocation fails, memory is not
deallocated subsequently, resulting in uninitialized structure
that is not NULL.

[How]
Deallocate memory if DML memory allocation fails.

Reviewed-by: Joshua Aberback <joshua.aberback@amd.com>
Signed-off-by: Jerry Zuo <jerry.zuo@amd.com>
Signed-off-by: Chris Park <chris.park@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chris Park 2024-06-28 15:09:06 -04:00 committed by Alex Deucher
parent 35ff747c86
commit 892abca687
1 changed files with 8 additions and 2 deletions
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10
drivers/gpu/drm/amd/display/dc/core/dc_state.c
View File

@ -211,10 +211,16 @@ struct dc_state *dc_state_create(struct dc *dc, struct dc_state_create_params *p
#ifdef CONFIG_DRM_AMD_DC_FP
if (dc->debug.using_dml2) {
dml2_opt->use_clock_dc_limits = false;
dml2_create(dc, dml2_opt, &state->bw_ctx.dml2);
if (!dml2_create(dc, dml2_opt, &state->bw_ctx.dml2)) {
dc_state_release(state);
return NULL;
}
dml2_opt->use_clock_dc_limits = true;
dml2_create(dc, dml2_opt, &state->bw_ctx.dml2_dc_power_source);
if (!dml2_create(dc, dml2_opt, &state->bw_ctx.dml2_dc_power_source)) {
dc_state_release(state);
return NULL;
}
}
#endif