[PATCH 02/24] drm/amd/display: Update the register GRPH_SWAP_CNTL if surface pixel format changed.

[Harry Wentland]

From: Duke Du <Duke.Du at amd.com>

Signed-off-by: Duke Du <Duke.Du at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c                  | 3 +++
 drivers/gpu/drm/amd/display/dc/dc.h                       | 1 +
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 1 +
 3 files changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 990f891a46f6..eddfc4396367 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1066,6 +1066,9 @@ static enum surface_update_type get_plane_info_update_type(const struct dc_surfa
 	if (u->plane_info->rotation != u->surface->rotation)
 		update_flags->bits.rotation_change = 1;
 
+	if (u->plane_info->format != u->surface->format)
+		update_flags->bits.pixel_format_change = 1;
+
 	if (u->plane_info->stereo_format != u->surface->stereo_format)
 		update_flags->bits.stereo_format_change = 1;
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 41d095318a5c..836bc3aea291 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -400,6 +400,7 @@ union surface_update_flags {
 		uint32_t in_transfer_func_change:1;
 		uint32_t input_csc_change:1;
 		uint32_t output_tf_change:1;
+		uint32_t pixel_format_change:1;
 
 		/* Full updates */
 		uint32_t new_plane: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 7e99d788f0e0..c6a4fa2f17c2 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
@@ -1725,6 +1725,7 @@ static void update_dchubp_dpp(
 	}
 
 	if (plane_state->update_flags.bits.full_update ||
+		plane_state->update_flags.bits.pixel_format_change ||
 		plane_state->update_flags.bits.horizontal_mirror_change ||
 		plane_state->update_flags.bits.rotation_change ||
 		plane_state->update_flags.bits.swizzle_change ||
-- 
2.14.1