drm/amd/display: Dynamic HDR metadata mem buffer

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

Signed-off-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Harry Wentland <harry.wentland@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 f01c6c1..22d113e 100644 (file)
--- 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 d7e6d53..e6e9444 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -59,6 +59,8 @@ struct dc_stream_state {
        struct freesync_context freesync_ctx;
 
        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;