From c3b413275c02128805cf2b85adc53d4f42fb2974 Mon Sep 17 00:00:00 2001 From: Rex Zhu Date: Mon, 22 May 2017 13:11:15 +0800 Subject: [PATCH 0459/4131] drm/amd/display: call amdgpu_dm_fini when hw_fini. to free up drm mode_config info. fix issue: unload amdgpu, can't load amdgpu again. [drm:drm_debugfs_init [drm]] *ERROR* Cannot create /sys/kernel/debug/dri/0 [drm:drm_minor_register [drm]] *ERROR* DRM: Failed to initialize /sys/kernel/debug/dri. Signed-off-by: Rex Zhu Acked-by: Alex Deucher Reviewed-by: Andrey Grodzovsky Reviewed-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 ++--- drivers/gpu/drm/amd/display/dc/core/dc.c | 7 ++++++- 2 files changed, 8 insertions(+), 4 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 ec68463..1d085f8 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -395,9 +395,8 @@ void amdgpu_dm_fini(struct amdgpu_device *adev) adev->dm.freesync_module = NULL; } /* DC Destroy TODO: Replace destroy DAL */ - { + if (adev->dm.dc) dc_destroy(&adev->dm.dc); - } return; } @@ -490,7 +489,7 @@ static int dm_hw_fini(void *handle) amdgpu_dm_hpd_fini(adev); amdgpu_dm_irq_fini(adev); - + amdgpu_dm_fini(adev); return 0; } diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 773f0ef..b428c7c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -1541,7 +1541,12 @@ enum dc_irq_source dc_interrupt_to_irq_source( void dc_interrupt_set(const struct dc *dc, enum dc_irq_source src, bool enable) { - struct core_dc *core_dc = DC_TO_CORE(dc); + struct core_dc *core_dc; + + if (dc == NULL) + return; + core_dc = DC_TO_CORE(dc); + dal_irq_service_set(core_dc->res_pool->irqs, src, enable); } -- 2.7.4