drm/amd/display: Parse scanline registers
They could differ between ASIC generations
Signed-off-by: Sylvia Tsai <sylvia.tsai@amd.com>
Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 97af8f6..7d548b4 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -484,8 +484,11 @@ uint32_t dc_stream_get_vblank_counter(const struct dc_stream *stream);
* This has a dependency on the caller (amdgpu_get_crtc_scanoutpos)
* being refactored properly to be dce-specific
*/
-uint32_t dc_stream_get_scanoutpos(
- const struct dc_stream *stream, uint32_t *vbl, uint32_t *position);
+bool dc_stream_get_scanoutpos(const struct dc_stream *stream,
+ uint32_t *v_blank_start,
+ uint32_t *v_blank_end,
+ uint32_t *h_position,
+ uint32_t *v_position);
/*
* Structure to store surface/stream associations for validation