diff options
| author | Clarence Ip <cip@codeaurora.org> | 2017-03-17 15:22:07 -0400 |
|---|---|---|
| committer | Clarence Ip <cip@codeaurora.org> | 2017-07-21 11:26:47 -0400 |
| commit | e67107812d4fe6ffd6b872905d1c952628bfbb99 (patch) | |
| tree | 0466314e3ba8ac9abd125fd690e4c7027fb43946 /drivers/gpu | |
| parent | 081178b8fd7bbeb104c52670d6251fbb39b58527 (diff) | |
drm/msm/sde: output black frame during resume operation
This patch provides a module parameter to control whether each
plane outputs the previously configured content or a black frame
during the resume operation. The default is set to output a
black frame.
CRs-Fixed: 2019307
Change-Id: I48c1a8edfa1e85252a070bda51228ef67dea041c
Signed-off-by: Clarence Ip <cip@codeaurora.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/sde/sde_plane.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/sde/sde_plane.c b/drivers/gpu/drm/msm/sde/sde_plane.c index 8ae831e11bf3..6e2ccfa8e428 100644 --- a/drivers/gpu/drm/msm/sde/sde_plane.c +++ b/drivers/gpu/drm/msm/sde/sde_plane.c @@ -34,6 +34,14 @@ #include "sde_plane.h" #include "sde_color_processing.h" +static bool suspend_blank = true; +module_param(suspend_blank, bool, 0400); +MODULE_PARM_DESC(suspend_blank, + "If set, active planes will force their outputs to black,\n" + "by temporarily enabling the color fill, when recovering\n" + "from a system resume instead of attempting to display the\n" + "last provided frame buffer."); + #define SDE_DEBUG_PLANE(pl, fmt, ...) SDE_DEBUG("plane%d " fmt,\ (pl) ? (pl)->base.base.id : -1, ##__VA_ARGS__) @@ -1726,6 +1734,10 @@ void sde_plane_flush(struct drm_plane *plane) pp->pipe_hw->ops.setup_csc(pp->pipe_hw, pp->csc_ptr); } + /* force black color fill during suspend */ + if (msm_is_suspend_state(plane->dev) && suspend_blank) + _sde_plane_color_fill(pp, 0x0, 0x0); + /* flag h/w flush complete */ if (plane->state) to_sde_plane_state(plane->state)->pending = false; |