diff options
| author | David Francis <David.Francis@amd.com> | 2018-10-25 15:47:43 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2018-11-19 15:27:41 -0500 |
| commit | 6ccda157732d7ff6773a325f3d3252ad4d56f015 (patch) | |
| tree | 255c885917ccfb62fd83da25a016538edbcd81b8 /drivers | |
| parent | d9672a5bfbb506d3276403a309c5013b4fd7c56c (diff) | |
drm/amd/display: Get backlight controller id from link
[Why]
dc_link_set_backlight_level can be called from a context
where the stream is unknown. In this case, we can still
find which controller is driving this particular backlight
[How]
Compare links for equality instead of streams
Signed-off-by: David Francis <David.Francis@amd.com>
Reviewed-by: Nicholas Kazlauskas <Nicholas.Kazlauskas@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index abcfc05e06e8..948596a02392 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -2173,11 +2173,11 @@ bool dc_link_set_backlight_level(const struct dc_link *link, backlight_pwm_u16_16, backlight_pwm_u16_16); if (dc_is_embedded_signal(link->connector_signal)) { - if (stream != NULL) { - for (i = 0; i < MAX_PIPES; i++) { + for (i = 0; i < MAX_PIPES; i++) { + if (core_dc->current_state->res_ctx.pipe_ctx[i].stream) { if (core_dc->current_state->res_ctx. - pipe_ctx[i].stream - == stream) + pipe_ctx[i].stream->sink->link + == link) /* DMCU -1 for all controller id values, * therefore +1 here */ |