drm/amd/display: fix PIP bugs on Dal3

[Why]
There are outstanding bugs for PIP in Dal3:
-Crash when toggling PIP visibility
-Global Alpha is not working, Adjusting global alpha
 doesn’t have an effect
-Cursor is not working with pip plane and pipe splits
-One flash occurs when cursor enters PIP plane from
 top/bottom
-Crash when moving PIP plane off the screen

[How]
Resolve divide by 0 error
Implement global alpha
Program cursor on all pipes
Add dst rects' x and y offests into cursor position
Disable cursor when it is beyond bottom/top edge

Signed-off-by: Gloria Li <[email protected]>
Reviewed-by: Aric Cyr <[email protected]>
Acked-by: Leo Li <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
index 80a480b9f137..e894e649ce5a 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dpp.h
@@ -147,7 +147,8 @@ struct dpp_funcs {
 			struct dpp *dpp_base,
 			const struct dc_cursor_position *pos,
 			const struct dc_cursor_mi_param *param,
-			uint32_t width
+			uint32_t width,
+			uint32_t height
 			);
 	void (*dpp_set_hdr_multiplier)(
 			struct dpp *dpp_base,