samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: sde: update RM to support dedicated CWB

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Add dummy layer mixer blocks to be used for dedicated
CWB.

Change-Id: Ie1fe4fa7502cf5cf4dba3f2c129257887a20b7ad
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
This commit is contained in:
Chandan Uddaraju
2020-10-19 03:12:22 -07:00
parent 4fe3d97078
commit 1b7fba16bd
5 changed files with 36 additions and 7 deletions
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20
msm/sde/sde_rm.c
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@@ -29,6 +29,7 @@
#define RM_RQ_DSPP(r) ((r)->top_ctrl & BIT(SDE_RM_TOPCTL_DSPP))
#define RM_RQ_DS(r) ((r)->top_ctrl & BIT(SDE_RM_TOPCTL_DS))
#define RM_RQ_CWB(r) ((r)->top_ctrl & BIT(SDE_RM_TOPCTL_CWB))
#define RM_RQ_DCWB(r) ((r)->top_ctrl & BIT(SDE_RM_TOPCTL_DCWB))
#define RM_IS_TOPOLOGY_MATCH(t, r) ((t).num_lm == (r).num_lm && \
(t).num_comp_enc == (r).num_enc && \
(t).num_intf == (r).num_intf && \
@@ -984,7 +985,7 @@ static bool _sde_rm_check_lm_and_get_connected_blks(
const struct sde_lm_cfg *lm_cfg = to_sde_hw_mixer(lm->hw)->cap;
const struct sde_pingpong_cfg *pp_cfg;
bool ret, is_conn_primary, is_conn_secondary;
u32 lm_primary_pref, lm_secondary_pref, cwb_pref;
u32 lm_primary_pref, lm_secondary_pref, cwb_pref, dcwb_pref;
*dspp = NULL;
*ds = NULL;
@@ -993,6 +994,7 @@ static bool _sde_rm_check_lm_and_get_connected_blks(
lm_primary_pref = lm_cfg->features & BIT(SDE_DISP_PRIMARY_PREF);
lm_secondary_pref = lm_cfg->features & BIT(SDE_DISP_SECONDARY_PREF);
cwb_pref = lm_cfg->features & BIT(SDE_DISP_CWB_PREF);
dcwb_pref = lm_cfg->features & BIT(SDE_DISP_DCWB_PREF);
is_conn_primary = (reqs->hw_res.display_type ==
SDE_CONNECTOR_PRIMARY) ? true : false;
is_conn_secondary = (reqs->hw_res.display_type ==
@@ -1026,8 +1028,9 @@ static bool _sde_rm_check_lm_and_get_connected_blks(
* If CWB is enabled and LM is not CWB supported
* then return false.
*/
if (RM_RQ_CWB(reqs) && !cwb_pref) {
SDE_DEBUG("fail: cwb supported lm not allocated\n");
if ((RM_RQ_CWB(reqs) && !cwb_pref) ||
(RM_RQ_DCWB(reqs) && !dcwb_pref)) {
SDE_DEBUG("fail: cwb/dcwb supported lm not allocated\n");
return false;
}
} else if ((!is_conn_primary && lm_primary_pref) ||
@@ -1992,6 +1995,7 @@ static int _sde_rm_populate_requirements(
struct drm_encoder *enc,
struct drm_crtc_state *crtc_state,
struct drm_connector_state *conn_state,
struct sde_mdss_cfg *cfg,
struct sde_rm_requirements *reqs)
{
const struct drm_display_mode *mode = &crtc_state->mode;
@@ -2031,8 +2035,12 @@ static int _sde_rm_populate_requirements(
* Set the requirement for LM which has CWB support if CWB is
* found enabled.
*/
if (!RM_RQ_CWB(reqs) && sde_encoder_in_clone_mode(enc)) {
reqs->top_ctrl |= BIT(SDE_RM_TOPCTL_CWB);
if ((!RM_RQ_CWB(reqs) || !RM_RQ_DCWB(reqs))
&& sde_encoder_in_clone_mode(enc)) {
if (cfg->has_dedicated_cwb_support)
reqs->top_ctrl |= BIT(SDE_RM_TOPCTL_DCWB);
else
reqs->top_ctrl |= BIT(SDE_RM_TOPCTL_CWB);
/*
* topology selection based on conn mode is not valid for CWB
@@ -2476,7 +2484,7 @@ int sde_rm_reserve(
reqs.hw_res.comp_info = comp_info;
ret = _sde_rm_populate_requirements(rm, enc, crtc_state,
conn_state, &reqs);
conn_state, sde_kms->catalog, &reqs);
if (ret) {
SDE_ERROR("failed to populate hw requirements\n");
goto end;