From: Anthony Koo <Anthony.Koo@amd.com>
Date: Thu, 29 Mar 2018 11:23:37 -0400
Subject: drm/amd/display: csc updates require FULL update
Git-commit: 35ad2254cb7d0a46f135eb57990ca6618f79510b
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
Signed-off-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 12 ++++++++++--
drivers/gpu/drm/amd/display/dc/dc.h | 1 +
2 files changed, 11 insertions(+), 2 deletions(-)
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1154,12 +1154,20 @@ static enum surface_update_type det_surf
if (u->input_csc_color_matrix)
update_flags->bits.input_csc_change = 1;
- if (update_flags->bits.in_transfer_func_change
- || update_flags->bits.input_csc_change) {
+ if (u->coeff_reduction_factor)
+ update_flags->bits.coeff_reduction_change = 1;
+
+ if (update_flags->bits.in_transfer_func_change) {
type = UPDATE_TYPE_MED;
elevate_update_type(&overall_type, type);
}
+ if (update_flags->bits.input_csc_change
+ || update_flags->bits.coeff_reduction_change) {
+ type = UPDATE_TYPE_FULL;
+ elevate_update_type(&overall_type, type);
+ }
+
return overall_type;
}
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -429,6 +429,7 @@ union surface_update_flags {
uint32_t position_change:1;
uint32_t in_transfer_func_change:1;
uint32_t input_csc_change:1;
+ uint32_t coeff_reduction_change:1;
uint32_t output_tf_change:1;
uint32_t pixel_format_change:1;