diff options
Diffstat (limited to 'meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1096-drm-amd-display-Fixed-MST-display-doesn-t-light-up.patch')
-rw-r--r-- | meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1096-drm-amd-display-Fixed-MST-display-doesn-t-light-up.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1096-drm-amd-display-Fixed-MST-display-doesn-t-light-up.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1096-drm-amd-display-Fixed-MST-display-doesn-t-light-up.patch new file mode 100644 index 00000000..7b1fa91c --- /dev/null +++ b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/1096-drm-amd-display-Fixed-MST-display-doesn-t-light-up.patch @@ -0,0 +1,35 @@ +From 13371b961cc3bb5cf94b343cb20243f0dc9e56a8 Mon Sep 17 00:00:00 2001 +From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo@amd.com> +Date: Thu, 4 Jan 2018 17:02:47 -0500 +Subject: [PATCH 1096/4131] drm/amd/display: Fixed MST display doesn't light up + +Need to take care of DRM interface prior to 4.12 kernel. + +Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com> +Reviewed-by: Harry Wentland <harry.wentland@amd.com> +Acked-by: Junwei Zhang <Jerry.Zhang@amd.com> +Acked-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +index 9bd142f..02f7f04 100644 +--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c ++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +@@ -233,8 +233,12 @@ bool dm_helpers_dp_mst_write_payload_allocation_table( + + pbn = drm_dp_calc_pbn_mode(clock, bpp); + ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 12, 0) + slots = drm_dp_find_vcpi_slots(mst_mgr, pbn); + ret = drm_dp_mst_allocate_vcpi(mst_mgr, mst_port, pbn, slots); ++#else ++ ret = drm_dp_mst_allocate_vcpi(mst_mgr, mst_port, pbn, &slots); ++#endif + + if (!ret) + return false; +-- +2.7.4 + |