On 2021-07-14 23:52, Vinod Koul wrote:
When DSC is enabled, we need to pass the DSC parameters to panel driver
as well, so add a dsc parameter in panel and set it when DSC is enabled
Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
based on the comments on prev patches in the series, this will need to
be reworked
too as there wont be any priv->dsc anymore.
Also, can you also post the panel changes? Would like to see how you
will use the
dsc param there.
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 16 +++++++++++++++-
include/drm/drm_panel.h | 7 +++++++
2 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c
b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 4e8ab1b1df8b..ee21cda243a7 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -2193,6 +2193,7 @@ int msm_dsi_host_modeset_init(struct
mipi_dsi_host *host,
const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd;
struct platform_device *pdev = msm_host->pdev;
struct msm_drm_private *priv;
+ struct drm_panel *panel;
int ret;
msm_host->irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
@@ -2212,8 +2213,21 @@ int msm_dsi_host_modeset_init(struct
mipi_dsi_host *host,
}
msm_host->dev = dev;
+ panel = msm_dsi_host_get_panel(&msm_host->base);
priv = dev->dev_private;
- priv->dsc = msm_host->dsc;
+
+ if (panel && panel->dsc) {
+ struct msm_display_dsc_config *dsc = priv->dsc;
+
+ if (!dsc) {
+ dsc = kzalloc(sizeof(*dsc), GFP_KERNEL);
+ if (!dsc)
+ return -ENOMEM;
+ dsc->drm = panel->dsc;
+ priv->dsc = dsc;
+ msm_host->dsc = dsc;
+ }
+ }
ret = cfg_hnd->ops->tx_buf_alloc(msm_host, SZ_4K);
if (ret) {
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 33605c3f0eba..27a7808a29f2 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -171,6 +171,13 @@ struct drm_panel {
* Panel entry in registry.
*/
struct list_head list;
+
+ /**
+ * @dsc:
+ *
+ * Panel DSC pps payload to be sent
+ */
+ struct drm_dsc_config *dsc;
};
void drm_panel_init(struct drm_panel *panel, struct device *dev,
