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

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[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: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Yongqiang Sun 2020-04-08 20:40:02 -04:00 committed by Alex Deucher
parent 422d9091f7
commit 4dc0b81442
1 changed files with 23 additions and 16 deletions
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39
drivers/gpu/drm/amd/display/dc/core/dc_link.c
View File

@ -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);