diff options
Diffstat (limited to 'common/recipes-kernel/linux/linux-yocto-4.14.71/0459-drm-amd-display-call-amdgpu_dm_fini-when-hw_fini.patch')
| -rw-r--r-- | common/recipes-kernel/linux/linux-yocto-4.14.71/0459-drm-amd-display-call-amdgpu_dm_fini-when-hw_fini.patch | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/common/recipes-kernel/linux/linux-yocto-4.14.71/0459-drm-amd-display-call-amdgpu_dm_fini-when-hw_fini.patch b/common/recipes-kernel/linux/linux-yocto-4.14.71/0459-drm-amd-display-call-amdgpu_dm_fini-when-hw_fini.patch new file mode 100644 index 00000000..7b557204 --- /dev/null +++ b/common/recipes-kernel/linux/linux-yocto-4.14.71/0459-drm-amd-display-call-amdgpu_dm_fini-when-hw_fini.patch @@ -0,0 +1,66 @@ +From c3b413275c02128805cf2b85adc53d4f42fb2974 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +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 <Rex.Zhu@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +Reviewed-by: Andrey Grodzovsky<andrey.grodzovsky@amd.com> +Reviewed-by: Harry Wentland <harry.wentland@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + 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 + |