[PATCH 23/43] drm/amd/display: Add dcc_change surface update flag

[Harry Wentland]

From: Andrew Jiang <Andrew.Jiang at amd.com>

Program the DCC registers when dcc_change is true.

Signed-off-by: Andrew Jiang <Andrew.Jiang at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c                  | 5 +++++
 drivers/gpu/drm/amd/display/dc/dc.h                       | 1 +
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 1 +
 3 files changed, 7 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 19d96aeaa113..ab875ea8aba4 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -985,6 +985,11 @@ static enum surface_update_type get_plane_info_update_type(const struct dc_surfa
 	if (u->plane_info->per_pixel_alpha != u->surface->per_pixel_alpha)
 		update_flags->bits.per_pixel_alpha_change = 1;
 
+	if (u->plane_info->dcc.enable != u->surface->dcc.enable
+			|| u->plane_info->dcc.grph.independent_64b_blks != u->surface->dcc.grph.independent_64b_blks
+			|| u->plane_info->dcc.grph.meta_pitch != u->surface->dcc.grph.meta_pitch)
+		update_flags->bits.dcc_change = 1;
+
 	if (pixel_format_to_bpp(u->plane_info->format) !=
 			pixel_format_to_bpp(u->surface->format))
 		/* different bytes per element will require full bandwidth
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 9fbcfd7b5f8d..597bd8b4cb1e 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -387,6 +387,7 @@ union surface_update_flags {
 
 	struct {
 		/* Medium updates */
+		uint32_t dcc_change:1;
 		uint32_t color_space_change:1;
 		uint32_t input_tf_change:1;
 		uint32_t horizontal_mirror_change:1;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 8e2520ba6bed..1ebe980bfb6d 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -2066,6 +2066,7 @@ static void update_dchubp_dpp(
 		plane_state->update_flags.bits.horizontal_mirror_change ||
 		plane_state->update_flags.bits.rotation_change ||
 		plane_state->update_flags.bits.swizzle_change ||
+		plane_state->update_flags.bits.dcc_change ||
 		plane_state->update_flags.bits.bpp_change) {
 		hubp->funcs->hubp_program_surface_config(
 			hubp,
-- 
2.14.1