Hi Laurent,
Thank you for the comment.
On 04/22/2014 08:00 AM, Laurent Pinchart wrote:
Hi YoungJun,
Thank you for the patch.
On Monday 21 April 2014 21:28:37 YoungJun Cho wrote:
This patch adds MIPI-DSI command mode based S6E3FA0 AMOLED LCD Panel driver.
Changelog v2:
- Declares delay, size properties in probe routine instead of DT
Changelog v3:
- Moves CPU timings relevant properties from FIMD DT
(commented by Laurent Pinchart, Andrzej Hajda)
Signed-off-by: YoungJun Cho <yj44.cho@xxxxxxxxxxx>
Acked-by: Inki Dae <inki.dae@xxxxxxxxxxx>
Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
drivers/gpu/drm/panel/Kconfig | 7 +
drivers/gpu/drm/panel/Makefile | 1 +
drivers/gpu/drm/panel/panel-s6e3fa0.c | 569 ++++++++++++++++++++++++++++++
3 files changed, 577 insertions(+)
create mode 100644 drivers/gpu/drm/panel/panel-s6e3fa0.c
[snip]
diff --git a/drivers/gpu/drm/panel/panel-s6e3fa0.c
b/drivers/gpu/drm/panel/panel-s6e3fa0.c new file mode 100644
index 0000000..1282678
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-s6e3fa0.c
@@ -0,0 +1,569 @@
[snip]
+static int s6e3fa0_get_modes(struct drm_panel *panel)
+{
+ struct drm_connector *connector = panel->connector;
+ struct s6e3fa0 *ctx = panel_to_s6e3fa0(panel);
+ struct drm_display_mode *mode;
+
+ mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ DRM_ERROR("failed to create a new display mode\n");
+ return 0;
+ }
+
+ drm_display_mode_from_videomode(&ctx->vm, mode);
+ mode->width_mm = ctx->width_mm;
+ mode->height_mm = ctx->height_mm;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+ mode->private = (void *)&ctx->cpu_timings;
Wouldn't it make sense to create a new get_interface_params (or similar)
operation for drm_panel to query interface configuration parameters instead of
shoving it in the mode private field ?
You mean "new get_interface_params operation" is different from
get_modes() ?
Till now, struct drm_display_mode and most of mode relevant APIs are
only for video interface.
And CPU interface also needs video mode configurations.
I have a plan to implement the CPU interface relevant APIs like video
mode ones, but I think they should be used under current DRM mode APIs
like fill_modes, get_modes and so on.
So after that implementation, this private field will be replaced by
new ones.
Could you explain it in more detail?
Thank you.
Best regards YJ
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
[snip]
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