[PATCH v2 2/4] drm/msm/dsi: fetch DSC pps payload from struct mipi_dsi_device
Dmitry Baryshkov
dmitry.baryshkov at linaro.org
Mon Jul 11 09:43:18 UTC 2022
Now that struct mipi_dsi_device provides DSC data, fetch it from the
mentioned struct rather than from the struct drm_panel itself. This
would allow supporting MIPI DSI bridges handling DSC on their input
side.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 25 +++++++++++--------------
1 file changed, 11 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index a34078497af1..fb5ab6c718c8 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1686,6 +1686,17 @@ static int dsi_host_attach(struct mipi_dsi_host *host,
msm_host->lanes = dsi->lanes;
msm_host->format = dsi->format;
msm_host->mode_flags = dsi->mode_flags;
+ if (dsi->dsc) {
+ struct msm_display_dsc_config *dsc = msm_host->dsc;
+
+ if (!dsc) {
+ dsc = devm_kzalloc(&msm_host->pdev->dev, sizeof(*dsc), GFP_KERNEL);
+ if (!dsc)
+ return -ENOMEM;
+ dsc->drm = dsi->dsc;
+ msm_host->dsc = dsc;
+ }
+ }
/* Some gpios defined in panel DT need to be controlled by host */
ret = dsi_host_init_panel_gpios(msm_host, &dsi->dev);
@@ -2159,23 +2170,9 @@ int msm_dsi_host_modeset_init(struct mipi_dsi_host *host,
{
struct msm_dsi_host *msm_host = to_msm_dsi_host(host);
const struct msm_dsi_cfg_handler *cfg_hnd = msm_host->cfg_hnd;
- struct drm_panel *panel;
int ret;
msm_host->dev = dev;
- panel = msm_dsi_host_get_panel(&msm_host->base);
-
- if (!IS_ERR(panel) && panel->dsc) {
- struct msm_display_dsc_config *dsc = msm_host->dsc;
-
- if (!dsc) {
- dsc = devm_kzalloc(&msm_host->pdev->dev, sizeof(*dsc), GFP_KERNEL);
- if (!dsc)
- return -ENOMEM;
- dsc->drm = panel->dsc;
- msm_host->dsc = dsc;
- }
- }
ret = cfg_hnd->ops->tx_buf_alloc(msm_host, SZ_4K);
if (ret) {
--
2.35.1
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