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disp: msm: sde: add crtc width restriction when 3d-merge is enabled

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Add validation during crtc_atomic_check to have crtc width as
multiple of 4 when dualpipe 3d-mux is enabled and multiple of 8
when quadpipe 3d-mux is enabled. This ensures each layer mixer
is having an even width.

Change-Id: I5dc173c1b0349430a8e12a7b1c9440c7854e7ecd
Signed-off-by: Veera Sundaram Sankaran <quic_veeras@quicinc.com>
This commit is contained in:
Veera Sundaram Sankaran
2022-08-16 12:13:40 -07:00
parent 50420e8d17
commit 3550ca8f9f
2 changed files with 40 additions and 6 deletions
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27
msm/sde/sde_connector.h
View File

@@ -1217,7 +1217,22 @@ static inline int sde_connector_state_get_compression_info(
return 0;
}
static inline bool sde_connector_is_3d_merge_enabled(struct drm_connector *conn)
static inline bool sde_connector_is_quadpipe_3d_merge_enabled(struct drm_connector *conn)
{
enum sde_rm_topology_name topology;
if (!conn)
return false;
topology = sde_connector_get_topology_name(conn);
if ((topology == SDE_RM_TOPOLOGY_QUADPIPE_3DMERGE)
|| (topology == SDE_RM_TOPOLOGY_QUADPIPE_3DMERGE_DSC))
return true;
return false;
}
static inline bool sde_connector_is_dualpipe_3d_merge_enabled(struct drm_connector *conn)
{
enum sde_rm_topology_name topology;
@@ -1227,14 +1242,18 @@ static inline bool sde_connector_is_3d_merge_enabled(struct drm_connector *conn)
topology = sde_connector_get_topology_name(conn);
if ((topology == SDE_RM_TOPOLOGY_DUALPIPE_3DMERGE)
|| (topology == SDE_RM_TOPOLOGY_DUALPIPE_3DMERGE_DSC)
|| (topology == SDE_RM_TOPOLOGY_DUALPIPE_3DMERGE_VDC)
|| (topology == SDE_RM_TOPOLOGY_QUADPIPE_3DMERGE)
|| (topology == SDE_RM_TOPOLOGY_QUADPIPE_3DMERGE_DSC))
|| (topology == SDE_RM_TOPOLOGY_DUALPIPE_3DMERGE_VDC))
return true;
return false;
}
static inline bool sde_connector_is_3d_merge_enabled(struct drm_connector *conn)
{
return sde_connector_is_dualpipe_3d_merge_enabled(conn)
|| sde_connector_is_quadpipe_3d_merge_enabled(conn);
}
/**
* sde_connector_set_msm_mode - set msm_mode for connector state
* @conn_state: Pointer to drm connector state structure

19
msm/sde/sde_crtc.c
View File

@@ -1364,6 +1364,8 @@ static int _sde_crtc_check_rois(struct drm_crtc *crtc,
u32 crtc_width, crtc_height, mixer_width, mixer_height;
struct drm_display_mode *adj_mode;
int rc = 0, lm_idx, i;
struct drm_connector *conn;
struct drm_connector_state *conn_state;
if (!crtc || !state)
return -EINVAL;
@@ -1379,14 +1381,27 @@ static int _sde_crtc_check_rois(struct drm_crtc *crtc,
sde_crtc_get_resolution(crtc, state, adj_mode, &crtc_width, &crtc_height);
sde_crtc_get_mixer_resolution(crtc, state, adj_mode, &mixer_width, &mixer_height);
/* check cumulative mixer w/h is equal full crtc w/h */
if (sde_crtc->num_mixers
&& (((mixer_width * sde_crtc->num_mixers) != crtc_width)
if (sde_crtc->num_mixers && (((mixer_width * sde_crtc->num_mixers) != crtc_width)
|| (mixer_height != crtc_height))) {
SDE_ERROR("%s: invalid w/h crtc:%d,%d, mixer:%d,%d, num_mixers:%d\n",
sde_crtc->name, crtc_width, crtc_height, mixer_width, mixer_height,
sde_crtc->num_mixers);
rc = -EINVAL;
goto end;
} else if (state->state) {
for_each_new_connector_in_state(state->state, conn, conn_state, i) {
if (conn_state && (conn_state->crtc == crtc)
&& ((sde_connector_is_dualpipe_3d_merge_enabled(conn)
&& (crtc_width % 4))
|| (sde_connector_is_quadpipe_3d_merge_enabled(conn)
&& (crtc_width % 8)))) {
SDE_ERROR(
"%s: invalid 3d-merge_w - mixer_w:%d, crtc_w:%d, num_mixers:%d\n",
sde_crtc->name, mixer_width,
crtc_width, sde_crtc->num_mixers);
return -EINVAL;
}
}
}
/*