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disp: msm: sde: add plane check in continuous splash case

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In dual display continuous splash case, there are certain
scenarios where pipe being used in secondary display at boot up
is allocated by primary crtc. Add check to return failure
in such cases.

Change-Id: I9047b6e7f91e59a9daff5089abb41017c068b449
Signed-off-by: Jayaprakash <jmadiset@codeaurora.org>
This commit is contained in:
Jayaprakash 2019-12-04 10:31:03 +05:30 committed by Gerrit - the friendly Code Review server
parent 4536e7b2a6
commit 8274efd919
1 changed files with 43 additions and 0 deletions
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43
msm/sde/sde_plane.c
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@ -2498,6 +2498,44 @@ static int _sde_atomic_check_excl_rect(struct sde_plane *psde,
return ret;
}
static int _sde_plane_validate_shared_crtc(struct sde_plane *psde,
struct drm_plane_state *state)
{
struct sde_kms *sde_kms;
struct sde_splash_display *splash_display;
int i, j;
sde_kms = _sde_plane_get_kms(&psde->base);
if (!sde_kms || !state->crtc)
return 0;
for (i = 0; i < MAX_DSI_DISPLAYS; i++) {
splash_display = &sde_kms->splash_data.splash_display[i];
if (splash_display && splash_display->cont_splash_enabled &&
splash_display->encoder &&
state->crtc != splash_display->encoder->crtc) {
for (j = 0; j < MAX_DATA_PATH_PER_DSIPLAY; j++) {
if (splash_display->pipes[j].sspp ==
psde->pipe) {
SDE_ERROR_PLANE(psde,
"pipe:%d used in cont-splash on crtc:%d\n",
psde->pipe,
splash_display->encoder->crtc->base.id);
return -EINVAL;
}
}
}
}
return 0;
}
static int sde_plane_sspp_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
@ -2598,6 +2636,11 @@ static int sde_plane_sspp_atomic_check(struct drm_plane *plane,
ret = _sde_atomic_check_excl_rect(psde, pstate,
&src, fmt, ret);
if (ret)
return ret;
ret = _sde_plane_validate_shared_crtc(psde, state);
if (ret)
return ret;