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From 460d5ac8ad145c412be735e1593b57eaa4098b19 Mon Sep 17 00:00:00 2001
From: Aric Cyr <aric.cyr@amd.com>
Date: Sat, 9 Nov 2019 18:30:40 -0500
Subject: [PATCH 4705/4736] drm/amd/display: fix cursor positioning for
multiplane cases
[Why]
Cursor position needs to take into account plane scaling as well.
[How]
Translate cursor coords from stream space to plane space.
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Acked-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
---
.../amd/display/dc/dcn10/dcn10_hw_sequencer.c | 33 ++++++++++++++-----
1 file changed, 24 insertions(+), 9 deletions(-)
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 0e1e3dcf4112..c085a561b24c 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
@@ -2917,15 +2917,30 @@ void dcn10_set_cursor_position(struct pipe_ctx *pipe_ctx)
.rotation = pipe_ctx->plane_state->rotation,
.mirror = pipe_ctx->plane_state->horizontal_mirror
};
- uint32_t x_plane = pipe_ctx->plane_state->dst_rect.x;
- uint32_t y_plane = pipe_ctx->plane_state->dst_rect.y;
- uint32_t x_offset = min(x_plane, pos_cpy.x);
- uint32_t y_offset = min(y_plane, pos_cpy.y);
-
- pos_cpy.x -= x_offset;
- pos_cpy.y -= y_offset;
- pos_cpy.x_hotspot += (x_plane - x_offset);
- pos_cpy.y_hotspot += (y_plane - y_offset);
+
+ int x_plane = pipe_ctx->plane_state->dst_rect.x;
+ int y_plane = pipe_ctx->plane_state->dst_rect.y;
+ int x_pos = pos_cpy.x;
+ int y_pos = pos_cpy.y;
+
+ // translate cursor from stream space to plane space
+ x_pos = (x_pos - x_plane) * pipe_ctx->plane_state->src_rect.width /
+ pipe_ctx->plane_state->dst_rect.width;
+ y_pos = (y_pos - y_plane) * pipe_ctx->plane_state->src_rect.height /
+ pipe_ctx->plane_state->dst_rect.height;
+
+ if (x_pos < 0) {
+ pos_cpy.x_hotspot -= x_pos;
+ x_pos = 0;
+ }
+
+ if (y_pos < 0) {
+ pos_cpy.y_hotspot -= y_pos;
+ y_pos = 0;
+ }
+
+ pos_cpy.x = (uint32_t)x_pos;
+ pos_cpy.y = (uint32_t)y_pos;
if (pipe_ctx->plane_state->address.type
== PLN_ADDR_TYPE_VIDEO_PROGRESSIVE)
--
2.17.1
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