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drm/amd/display: Fix for test crash due to power gating

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[Why/How]
Call power gating routine only if it is defined.

Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Sridevi Arvindekar <sarvinde@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Sridevi Arvindekar 2025-09-10 11:04:07 -04:00 committed by Alex Deucher
parent 3451021a9e
commit 0bf6b216d4
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c
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@ -3131,7 +3131,8 @@ void dcn20_fpga_init_hw(struct dc *dc)
res_pool->dccg->funcs->dccg_init(res_pool->dccg);
//Enable ability to power gate / don't force power on permanently
hws->funcs.enable_power_gating_plane(hws, true);
if (hws->funcs.enable_power_gating_plane)
hws->funcs.enable_power_gating_plane(hws, true);
// Specific to FPGA dccg and registers
REG_WRITE(RBBMIF_TIMEOUT_DIS, 0xFFFFFFFF);