From: David Francis <[email protected]> [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 Change-Id: I8ffc51b3d4db9993f11a2a547511087ab7ad0b15 Signed-off-by: David Francis <[email protected]> Reviewed-by: Nicholas Kazlauskas <[email protected]> Acked-by: Bhawanpreet Lakha <[email protected]> --- drivers/gpu/drm/amd/display/dc/core/dc_link.c | 8 ++++---- 1 file 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 */ -- 2.14.1 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
