drm/msm/sde: support vbif memory type settings
The SMMU does not respect cache operation meta signals
unless the memory type is flagged to be cacheable. This
patch adds support for specifying the xin memory type
from the device tree.
CRs-Fixed: 2048687
Change-Id: I19eaba1738f08bd1d054977ffde80caeabd976b4
Signed-off-by: Clarence Ip <cip@codeaurora.org>
diff --git a/drivers/gpu/drm/msm/sde/sde_vbif.c b/drivers/gpu/drm/msm/sde/sde_vbif.c
index c675216..e63fe8c 100644
--- a/drivers/gpu/drm/msm/sde/sde_vbif.c
+++ b/drivers/gpu/drm/msm/sde/sde_vbif.c
@@ -265,6 +265,26 @@
mdp->ops.setup_clk_force_ctrl(mdp, params->clk_ctrl, false);
}
+void sde_vbif_init_memtypes(struct sde_kms *sde_kms)
+{
+ struct sde_hw_vbif *vbif;
+ int i, j;
+
+ if (!sde_kms) {
+ SDE_ERROR("invalid argument\n");
+ return;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(sde_kms->hw_vbif); i++) {
+ vbif = sde_kms->hw_vbif[i];
+ if (vbif && vbif->cap && vbif->ops.set_mem_type) {
+ for (j = 0; j < vbif->cap->memtype_count; j++)
+ vbif->ops.set_mem_type(
+ vbif, j, vbif->cap->memtype[j]);
+ }
+ }
+}
+
#ifdef CONFIG_DEBUG_FS
void sde_debugfs_vbif_destroy(struct sde_kms *sde_kms)
{