From: tiancyin Date: Wed, 8 Feb 2023 06:10:04 +0000 (+0800) Subject: drm/amd/display: fix dm irq error message in gpu recover X-Git-Tag: v6.6.7~3356^2^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ca87c9ae70566c651dcf09c1b080db259e20f9ee;p=platform%2Fkernel%2Flinux-starfive.git drm/amd/display: fix dm irq error message in gpu recover [Why] Variable adev->crtc_irq.num_types was initialized as the value of adev->mode_info.num_crtc at early_init stage, later at hw_init stage, the num_crtc changed due to the display pipe harvest on some SKUs, but the num_types was not updated accordingly, that cause below error in gpu recover. *ERROR* amdgpu_dm_set_crtc_irq_state: crtc is NULL at id :3 *ERROR* amdgpu_dm_set_crtc_irq_state: crtc is NULL at id :3 *ERROR* amdgpu_dm_set_crtc_irq_state: crtc is NULL at id :3 *ERROR* amdgpu_dm_set_pflip_irq_state: crtc is NULL at id :3 *ERROR* amdgpu_dm_set_pflip_irq_state: crtc is NULL at id :3 *ERROR* amdgpu_dm_set_pflip_irq_state: crtc is NULL at id :3 *ERROR* amdgpu_dm_set_pflip_irq_state: crtc is NULL at id :3 *ERROR* amdgpu_dm_set_vupdate_irq_state: crtc is NULL at id :3 *ERROR* amdgpu_dm_set_vupdate_irq_state: crtc is NULL at id :3 *ERROR* amdgpu_dm_set_vupdate_irq_state: crtc is NULL at id :3 [How] Defer the initialization of num_types to eliminate the error logs. Signed-off-by: tiancyin Reviewed-by: Hamza Mahfooz Signed-off-by: Alex Deucher --- 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 700d170..79ae01a 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -4265,6 +4265,8 @@ static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev) /* Update the actual used number of crtc */ adev->mode_info.num_crtc = adev->dm.display_indexes_num; + amdgpu_dm_set_irq_funcs(adev); + link_cnt = dm->dc->caps.max_links; if (amdgpu_dm_mode_config_init(dm->adev)) { DRM_ERROR("DM: Failed to initialize mode config\n"); @@ -4757,8 +4759,6 @@ static int dm_early_init(void *handle) break; } - amdgpu_dm_set_irq_funcs(adev); - if (adev->mode_info.funcs == NULL) adev->mode_info.funcs = &dm_display_funcs;