Commit 91d3156a authored by Wayne Lin's avatar Wayne Lin Committed by Alex Deucher
Browse files

drm/amd/display: Calculate CRC on specific frame region 



[why]
Currently, we only support calculating CRC on whole frame.
We want to extend the capability to calculate CRC on
specific frame area.

[how]
Calculate CRC on specific area once it's specified from the
input parameter.

Signed-off-by: default avatarWayne Lin <Wayne.Lin@amd.com>
Reviewed-by: default avatarNicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarQingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ad975f44

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_crc.c

+1 −1
Original line number Diff line number Diff line
@@ -115,7 +115,7 @@ int amdgpu_dm_crtc_configure_crc_source(struct drm_crtc *crtc, 
	/* Enable CRTC CRC generation if necessary. */

	if (dm_is_crc_source_crtc(source)) {

		if (!dc_stream_configure_crc(stream_state->ctx->dc,

					     stream_state, enable, enable)) {

					     stream_state, NULL, enable, enable)) {

			ret = -EINVAL;

			goto unlock;

		}

drivers/gpu/drm/amd/display/dc/core/dc.c

+13 −2
Original line number Diff line number Diff line
@@ -346,7 +346,7 @@ bool dc_stream_get_crtc_position(struct dc *dc, 
 * calculate the crc.

 */

bool dc_stream_configure_crc(struct dc *dc, struct dc_stream_state *stream,

			     bool enable, bool continuous)

			     struct crc_params *crc_window, bool enable, bool continuous)

{

	int i;

	struct pipe_ctx *pipe;
@@ -362,7 +362,7 @@ bool dc_stream_configure_crc(struct dc *dc, struct dc_stream_state *stream, 
	if (i == MAX_PIPES)

		return false;



	/* Always capture the full frame */

	/* By default, capture the full frame */

	param.windowa_x_start = 0;

	param.windowa_y_start = 0;

	param.windowa_x_end = pipe->stream->timing.h_addressable;
@@ -372,6 +372,17 @@ bool dc_stream_configure_crc(struct dc *dc, struct dc_stream_state *stream, 
	param.windowb_x_end = pipe->stream->timing.h_addressable;

	param.windowb_y_end = pipe->stream->timing.v_addressable;



	if (crc_window) {

		param.windowa_x_start = crc_window->windowa_x_start;

		param.windowa_y_start = crc_window->windowa_y_start;

		param.windowa_x_end = crc_window->windowa_x_end;

		param.windowa_y_end = crc_window->windowa_y_end;

		param.windowb_x_start = crc_window->windowb_x_start;

		param.windowb_y_start = crc_window->windowb_y_start;

		param.windowb_x_end = crc_window->windowb_x_end;

		param.windowb_y_end = crc_window->windowb_y_end;

	}



	param.dsc_mode = pipe->stream->timing.flags.DSC ? 1:0;

	param.odm_mode = pipe->next_odm_pipe ? 1:0;

drivers/gpu/drm/amd/display/dc/dc_stream.h

+1 −0
Original line number Diff line number Diff line
@@ -457,6 +457,7 @@ bool dc_stream_get_crtc_position(struct dc *dc, 


bool dc_stream_configure_crc(struct dc *dc,

			     struct dc_stream_state *stream,

			     struct crc_params *crc_window,

			     bool enable,

			     bool continuous);