Commit 284358f2 authored by hersen wu's avatar hersen wu Committed by Alex Deucher
Browse files

drm/amd/display/dc: fix azalia workaround sw implementation bug 



caller of pp_nv_set_pme_wa_enable pass incorrect pp_smu:
dc->res_pool->pp_smu. it should be dc->res_pool->pp_smu->nv_funcs.pp_smu.
with incorrect input, pp->dm = NULL. This causes system crash.

Signed-off-by: default avatarhersen wu <hersenxs.wu@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 3972c350

drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c

+2 −2
Original line number Diff line number Diff line
@@ -969,10 +969,10 @@ static void set_pme_wa_enable_by_version(struct dc *dc) 


	if (pp_smu) {

		if (pp_smu->ctx.ver == PP_SMU_VER_RV && pp_smu->rv_funcs.set_pme_wa_enable)

			pp_smu->rv_funcs.set_pme_wa_enable(&(pp_smu->ctx));

			pp_smu->rv_funcs.set_pme_wa_enable(&(pp_smu->rv_funcs.pp_smu));

#ifdef CONFIG_DRM_AMD_DC_DCN2_0

		else if (pp_smu->ctx.ver == PP_SMU_VER_NV && pp_smu->nv_funcs.set_pme_wa_enable)

			pp_smu->nv_funcs.set_pme_wa_enable(&(pp_smu->ctx));

			pp_smu->nv_funcs.set_pme_wa_enable(&(pp_smu->nv_funcs.pp_smu));

#endif

	}

}

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