[PATCH 09/39] drm/amd/display: Fix cursor size issues

[Alex Hung]

From: Nevenko Stupar <nevenko.stupar at amd.com>

[WHY & HOW]
Fix the cursor size between ODM slices.

Reviewed-by: Sridevi Arvindekar <sridevi.arvindekar at amd.com>
Cc: Mario Limonciello <mario.limonciello at amd.com>
Cc: Alex Deucher <alexander.deucher at amd.com>
Cc: stable at vger.kernel.org
Acked-by: Alex Hung <alex.hung at amd.com>
Signed-off-by: Nevenko Stupar <nevenko.stupar at amd.com>
---
 .../drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c  | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
index 0cf55f557c3c..42753f56d31d 100644
--- a/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
+++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn401/dcn401_hwseq.c
@@ -1169,6 +1169,20 @@ void dcn401_set_cursor_position(struct pipe_ctx *pipe_ctx)
 		x_pos -= (prev_odm_width + prev_odm_offset);
 	}
 
+	/* If the position is negative then we need to add to the hotspot
+	 * to fix cursor size between ODM slices
+	 */
+
+	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;
 
-- 
2.34.1