[PATCH 19/34] drm/amd/display: Dynamic HDR metadata mem buffer

Harry Wentland harry.wentland at amd.com
Fri May 25 16:02:18 UTC 2018


From: Krunoslav Kovac <Krunoslav.Kovac at amd.com>

Basic framework:
- caps for reporting dynamic HDR metadata support
- allocation of frame buffer memory and storage

Signed-off-by: Krunoslav Kovac <Krunoslav.Kovac at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo at amd.com>
Acked-by: Harry Wentland <harry.wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/dc.h        | 1 +
 drivers/gpu/drm/amd/display/dc/dc_stream.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index f01c6c1711d7..22d113eca452 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -68,6 +68,7 @@ struct dc_caps {
 	uint32_t max_planes;
 	uint32_t max_downscale_ratio;
 	uint32_t i2c_speed_in_khz;
+	uint32_t dmdata_alloc_size;
 	unsigned int max_cursor_size;
 	unsigned int max_video_width;
 	int linear_pitch_alignment;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 046e87aa699a..e2424c8eb20e 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -65,6 +65,8 @@ struct dc_stream_state {
 	struct audio_info audio_info;
 
 	struct dc_info_packet hdr_static_metadata;
+	PHYSICAL_ADDRESS_LOC dmdata_address;
+
 	struct dc_transfer_func *out_transfer_func;
 	struct colorspace_transform gamut_remap_matrix;
 	struct dc_csc_transform csc_color_matrix;
-- 
2.17.0



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