UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: hersen wu <hersenxs.wu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
hersen wu 2019-06-01 18:23:38 -04:00 committed by Alex Deucher
parent 3972c35085
commit 284358f2ac
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
View File

@ -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
}
}