samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: sde: add support for hw-fence feature

Bladeren bron 
Starting mdss 9.0, dpu supports triggering
the frame fetch through hw-fencing. This change
adds support for this hw-fence feature.

Change-Id: Icc7d0b69fc2a51103d14612f5ac89b44a47ed826
Signed-off-by: Ingrid Gallardo <quic_ingridg@quicinc.com>
Signed-off-by: Christina Oliveira <quic_coliveir@quicinc.com>
This commit is contained in:
Christina Oliveira
2022-05-04 14:50:15 -07:00
gecommit door Gerrit - the friendly Code Review server
bovenliggende 487e4ebec2
commit 640c8111d3
20 gewijzigde bestanden met toevoegingen van 1444 en 113 verwijderingen
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25
msm/sde/sde_hw_catalog.c
Bestand weergeven

@@ -178,6 +178,7 @@
*************************************************************/
enum {
SDE_HW_VERSION,
SDE_HW_FENCE_VERSION,
SDE_HW_PROP_MAX,
};
@@ -574,6 +575,7 @@ struct sde_dt_props {
*************************************************************/
static struct sde_prop_type sde_hw_prop[] = {
{SDE_HW_VERSION, "qcom,sde-hw-version", false, PROP_TYPE_U32},
{SDE_HW_FENCE_VERSION, "qcom,hw-fence-sw-version", false, PROP_TYPE_U32},
};
static struct sde_prop_type sde_prop[] = {
@@ -5215,6 +5217,22 @@ end:
return rc;
}
static void _sde_hw_fence_caps(struct sde_mdss_cfg *sde_cfg)
{
struct sde_ctl_cfg *ctl;
int i;
if (!sde_cfg->hw_fence_rev)
return;
set_bit(SDE_FEATURE_HW_FENCE_IPCC, sde_cfg->features);
for (i = 0; i < sde_cfg->ctl_count; i++) {
ctl = sde_cfg->ctl + i;
set_bit(SDE_CTL_HW_FENCE, &ctl->features);
}
}
static int _sde_hardware_post_caps(struct sde_mdss_cfg *sde_cfg,
uint32_t hw_rev)
{
@@ -5262,6 +5280,8 @@ static int _sde_hardware_post_caps(struct sde_mdss_cfg *sde_cfg,
sde_cfg->min_display_width = MIN_DISPLAY_WIDTH;
sde_cfg->max_cwb = min_t(u32, sde_cfg->wb_count, MAX_CWB_SESSIONS);
_sde_hw_fence_caps(sde_cfg);
rc = _sde_hw_dnsc_blur_filter_caps(sde_cfg);
return rc;
@@ -5356,6 +5376,11 @@ static int sde_hw_ver_parse_dt(struct drm_device *dev, struct device_node *np,
else
cfg->hw_rev = sde_kms_get_hw_version(dev);
if (prop_exists[SDE_HW_FENCE_VERSION])
cfg->hw_fence_rev = PROP_VALUE_ACCESS(prop_value, SDE_HW_FENCE_VERSION, 0);
else
cfg->hw_fence_rev = 0; /* disable hw-fences */
end:
kfree(prop_value);
return rc;