Commit 4dc0b814 authored by Yongqiang Sun's avatar Yongqiang Sun Committed by Alex Deucher
Browse files

drm/amd/display: access ABM from stream resource. 



[Why]
Since ABM resource is mapped to stream res, all the ABM access should
via stream res.

[How]
Get ABM instance from stream res instead of resource pool.

Signed-off-by: default avatarYongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: default avatarTony Cheng <Tony.Cheng@amd.com>
Acked-by: default avatarRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 422d9091

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

+23 −16
Original line number Diff line number Diff line
@@ -2465,9 +2465,28 @@ enum dc_status dc_link_validate_mode_timing( 
	return DC_OK;

}



static struct abm *get_abm_from_stream_res(const struct dc_link *link)

{

	int i;

	struct dc *dc = link->ctx->dc;

	struct abm *abm = NULL;



	for (i = 0; i < MAX_PIPES; i++) {

		struct pipe_ctx pipe_ctx = dc->current_state->res_ctx.pipe_ctx[i];

		struct dc_stream_state *stream = pipe_ctx.stream;



		if (stream && stream->link == link) {

			abm = pipe_ctx.stream_res.abm;

			break;

		}

	}

	return abm;

}



int dc_link_get_backlight_level(const struct dc_link *link)

{

	struct abm *abm = link->ctx->dc->res_pool->abm;



	struct abm *abm = get_abm_from_stream_res(link);



	if (abm == NULL || abm->funcs->get_current_backlight == NULL)

		return DC_ERROR_UNEXPECTED;
@@ -2477,7 +2496,7 @@ int dc_link_get_backlight_level(const struct dc_link *link) 


int dc_link_get_target_backlight_pwm(const struct dc_link *link)

{

	struct abm *abm = link->ctx->dc->res_pool->abm;

	struct abm *abm = get_abm_from_stream_res(link);



	if (abm == NULL || abm->funcs->get_target_backlight == NULL)

		return DC_ERROR_UNEXPECTED;
@@ -2490,7 +2509,7 @@ bool dc_link_set_backlight_level(const struct dc_link *link, 
		uint32_t frame_ramp)

{

	struct dc  *dc = link->ctx->dc;

	struct abm *abm = dc->res_pool->abm;

	struct abm *abm = get_abm_from_stream_res(link);

	struct dmcu *dmcu = dc->res_pool->dmcu;

	unsigned int controller_id = 0;

	bool fw_set_brightness = true;
@@ -2541,20 +2560,8 @@ bool dc_link_set_backlight_level(const struct dc_link *link, 


bool dc_link_set_abm_disable(const struct dc_link *link)

{

	struct dc  *dc = link->ctx->dc;

	struct abm *abm = NULL;

	struct abm *abm = get_abm_from_stream_res(link);

	bool success = false;

	int i;



	for (i = 0; i < MAX_PIPES; i++) {

		struct pipe_ctx pipe_ctx = dc->current_state->res_ctx.pipe_ctx[i];

		struct dc_stream_state *stream = pipe_ctx.stream;



		if (stream && stream->link == link) {

			abm = pipe_ctx.stream_res.abm;

			break;

		}

	}



	if (abm)

		success = abm->funcs->set_abm_immediate_disable(abm);

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