From 31a7f4bb17badca605469362463a2c21863a43cf Mon Sep 17 00:00:00 2001 From: Hersen Wu Date: Wed, 5 Feb 2020 14:58:53 -0500 Subject: [PATCH] drm/amd/display: dmub back door load Signed-off-by: Hersen Wu Signed-off-by: Jerry (Fangzhi) Zuo Reviewed-by: Hersen Wu Acked-by: Rodrigo Siqueira Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index f4e4c42341b9..985ffceb6774 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -823,6 +823,10 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev) hw_params.fb_base = adev->gmc.fb_start; hw_params.fb_offset = adev->gmc.aper_base; + /* backdoor load firmware and trigger dmub running */ + if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) + hw_params.load_inst_const = true; + if (dmcu) hw_params.psp_version = dmcu->psp_version; @@ -1192,11 +1196,6 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev) return 0; } - if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) { - DRM_WARN("Only PSP firmware loading is supported for DMUB\n"); - return 0; - } - hdr = (const struct dmcub_firmware_header_v1_0 *)adev->dm.dmub_fw->data; adev->firmware.ucode[AMDGPU_UCODE_ID_DMCUB].ucode_id = AMDGPU_UCODE_ID_DMCUB; -- 2.25.1