1 files changed, 0 insertions, 70 deletions
diff --git a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0746-drm-amd-display-Workaround-for-underflow.patch b/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0746-drm-amd-display-Workaround-for-underflow.patch
deleted file mode 100644
index 3a834580..00000000
--- a/meta-v1000/recipes-kernel/linux/linux-yocto-4.14.71/0746-drm-amd-display-Workaround-for-underflow.patch
+++ /dev/null
@@ -1,70 +0,0 @@
-From 56def04019b750cb8701f3dd4e3a73d3bcf271c8 Mon Sep 17 00:00:00 2001
-From: Yongqiang Sun <yongqiang.sun@amd.com>
-Date: Fri, 4 Aug 2017 15:42:36 -0400
-Subject: [PATCH 0746/4131] drm/amd/display: Workaround for underflow.
-
-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>
-Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
----
- .../drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c  | 29 ++++++++++++++++++++++
- 1 file changed, 29 insertions(+)
-
-diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
-index 2fd9c33..b07ca56 100644
---- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
-+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
-@@ -1150,6 +1150,22 @@ static bool patch_address_for_sbs_tb_stereo(
- 	return false;
- }
- 
-+static void toggle_watermark_change_req(struct dce_hwseq *hws)
-+{
-+	uint32_t watermark_change_req;
-+
-+	REG_GET(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL,
-+			DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, &watermark_change_req);
-+
-+	if (watermark_change_req)
-+		watermark_change_req = 0;
-+	else
-+		watermark_change_req = 1;
-+
-+	REG_UPDATE(DCHUBBUB_ARB_WATERMARK_CHANGE_CNTL,
-+			DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST, watermark_change_req);
-+}
-+
- static void update_plane_addr(const struct core_dc *dc, struct pipe_ctx *pipe_ctx)
- {
- 	bool addr_patched = false;
-@@ -2089,6 +2105,7 @@ static void update_dchubp_dpp(
- 	mi->funcs->set_blank(mi, !is_pipe_tree_visible(pipe_ctx));
- }
- 
-+
- static void program_all_pipe_in_tree(
- 		struct core_dc *dc,
- 		struct pipe_ctx *pipe_ctx,
-@@ -2124,6 +2141,18 @@ static void program_all_pipe_in_tree(
- 
- 	if (pipe_ctx->plane_state != NULL) {
- 		dcn10_power_on_fe(dc, pipe_ctx, context);
-+
-+		/* temporary dcn1 wa:
-+                 *   watermark update requires toggle after a/b/c/d sets are programmed
-+                 *   if hubp is pg then wm value doesn't get properaged to hubp
-+                 *   need to toggle after ungate to ensure wm gets to hubp.
-+                 *
-+                 * final solution:  we need to get SMU to do the toggle as
-+                 * DCHUBBUB_ARB_WATERMARK_CHANGE_REQUEST is owned by SMU we should have 
-+                 * both driver and fw accessing same register
-+                 */
-+		toggle_watermark_change_req(dc->hwseq);
-+
- 		update_dchubp_dpp(dc, pipe_ctx, context);
- 	}
- 
--- 
-2.7.4
-