diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2532-drm-amd-display-wa-to-program-split-pipedegamma-regs.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2532-drm-amd-display-wa-to-program-split-pipedegamma-regs.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2532-drm-amd-display-wa-to-program-split-pipedegamma-regs.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2532-drm-amd-display-wa-to-program-split-pipedegamma-regs.patch new file mode 100644 index 00000000..cdd3acd5 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/2532-drm-amd-display-wa-to-program-split-pipedegamma-regs.patch @@ -0,0 +1,31 @@ +From a7da4cf79754b9452e444b9e5d2e73268943fe42 Mon Sep 17 00:00:00 2001 +From: Yongqiang Sun <yongqiang.sun@amd.com> +Date: Mon, 2 Oct 2017 17:08:24 -0400 +Subject: [PATCH 2532/4131] drm/amd/display: wa to program split pipedegamma + regs after mode set. + +Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com> +Reviewed-by: Tony Cheng <Tony.Cheng@amd.com> +Acked-by: Harry Wentland <Harry.Wentland@amd.com> +--- + drivers/gpu/drm/amd/display/dc/core/dc.c | 4 +++- + 1 file changed, 3 insertions(+), 1 deletion(-) + +diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c +index bd41c1b..f9110b3 100644 +--- a/drivers/gpu/drm/amd/display/dc/core/dc.c ++++ b/drivers/gpu/drm/amd/display/dc/core/dc.c +@@ -1282,7 +1282,9 @@ static void commit_planes_for_stream(struct dc *dc, + if (update_type == UPDATE_TYPE_FAST) + continue; + +- if (srf_updates[i].in_transfer_func) ++ /* work around to program degamma regs for split pipe after set mode. */ ++ if (srf_updates[i].in_transfer_func || (pipe_ctx->top_pipe && ++ pipe_ctx->top_pipe->plane_state == pipe_ctx->plane_state)) + dc->hwss.set_input_transfer_func( + pipe_ctx, pipe_ctx->plane_state); + +-- +2.7.4 + |