drm/amd/display: correct the condition in setting cursor not visible beyond left edge

Signed-off-by: Martin Tsai <martin.tsai@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>

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c

@@ -416,7 +416,7 @@ void dpp1_set_cursor_position(
 	if (src_x_offset >= (int)param->viewport_width)
 		cur_en = 0;  /* not visible beyond right edge*/
 
-	if (src_x_offset + (int)width < 0)
+	if (src_x_offset + (int)width <= 0)
 		cur_en = 0;  /* not visible beyond left edge*/
 
 	REG_UPDATE(CURSOR0_CONTROL,

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hubp.c

@@ -897,7 +897,7 @@ void hubp1_cursor_set_position(
 	if (src_x_offset >= (int)param->viewport_width)
 		cur_en = 0;  /* not visible beyond right edge*/
 
-	if (src_x_offset + (int)hubp->curs_attr.width < 0)
+	if (src_x_offset + (int)hubp->curs_attr.width <= 0)
 		cur_en = 0;  /* not visible beyond left edge*/
 
 	if (cur_en && REG_READ(CURSOR_SURFACE_ADDRESS) == 0)