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drm/amd/display: Fix null pointer issues found in emulation

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[why]
fix null point issues found in emulation

Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Tested-by: Mark Broadworth <mark.broadworth@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Charlene Liu 2022-10-21 15:39:09 -04:00 committed by Alex Deucher
parent f30508e918
commit 6818f755f7
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/display/dc/dcn31/dcn31_hwseq.c
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@ -89,7 +89,8 @@ static void enable_memory_low_power(struct dc *dc)
REG_UPDATE(MMHUBBUB_MEM_PWR_CNTL, VGA_MEM_PWR_FORCE, 1);
}
if (dc->debug.enable_mem_low_power.bits.mpc)
if (dc->debug.enable_mem_low_power.bits.mpc &&
dc->res_pool->mpc->funcs->set_mpc_mem_lp_mode)
dc->res_pool->mpc->funcs->set_mpc_mem_lp_mode(dc->res_pool->mpc);
@ -141,7 +142,8 @@ void dcn31_init_hw(struct dc *dc)
if (!dcb->funcs->is_accelerated_mode(dcb)) {
hws->funcs.bios_golden_init(dc);
hws->funcs.disable_vga(dc->hwseq);
if (hws->funcs.disable_vga)
hws->funcs.disable_vga(dc->hwseq);
}
// Initialize the dccg
if (res_pool->dccg->funcs->dccg_init)