From: Frank Wunderlich <frank-w@public-files.de>
To: linux-mediatek@lists.infradead.org
Cc: Chun-Kuang Hu <chunkuang.hu@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
Frank Wunderlich <frank-w@public-files.de>,
David Airlie <airlied@linux.ie>,
Stu Hsieh <stu.hsieh@mediatek.com>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
Daniel Vetter <daniel@ffwll.ch>,
Matthias Brugger <matthias.bgg@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 3/5] drm: Add get_possible_crtc API for dpi, dsi
Date: Tue, 28 Jul 2020 13:17:58 +0200 [thread overview]
Message-ID: <20200728111800.77641-4-frank-w@public-files.de> (raw)
In-Reply-To: <20200728111800.77641-1-frank-w@public-files.de>
From: Stu Hsieh <stu.hsieh@mediatek.com>
Test: build pass and run ok
Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 42 +++++++++++++++++++++
drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h | 2 +
2 files changed, 44 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 57c88de9a329..a5f2ff6bea93 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -13,6 +13,8 @@
#include <linux/of_platform.h>
#include <linux/platform_device.h>
#include <linux/soc/mediatek/mtk-cmdq.h>
+#include <drm/drm_print.h>
+
#include "mtk_drm_drv.h"
#include "mtk_drm_plane.h"
#include "mtk_drm_ddp_comp.h"
@@ -412,6 +414,22 @@ static const struct mtk_ddp_comp_match mtk_ddp_matches[DDP_COMPONENT_ID_MAX] = {
[DDP_COMPONENT_WDMA1] = { MTK_DISP_WDMA, 1, NULL },
};
+static bool mtk_drm_find_comp_in_ddp(struct mtk_ddp_comp ddp_comp,
+ const enum mtk_ddp_comp_id *path,
+ unsigned int path_len)
+{
+ unsigned int i;
+
+ if (path == NULL)
+ return false;
+
+ for (i = 0U; i < path_len; i++)
+ if (ddp_comp.id == path[i])
+ return true;
+
+ return false;
+}
+
int mtk_ddp_comp_get_id(struct device_node *node,
enum mtk_ddp_comp_type comp_type)
{
@@ -427,6 +445,30 @@ int mtk_ddp_comp_get_id(struct device_node *node,
return -EINVAL;
}
+unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
+ struct mtk_ddp_comp ddp_comp)
+{
+ struct mtk_drm_private *private = drm->dev_private;
+ unsigned int ret;
+
+ if (mtk_drm_find_comp_in_ddp(ddp_comp, private->data->main_path,
+ private->data->main_len) == true) {
+ ret = BIT(0);
+ } else if (mtk_drm_find_comp_in_ddp(ddp_comp,
+ private->data->ext_path,
+ private->data->ext_len) == true) {
+ ret = BIT(1);
+ } else if (mtk_drm_find_comp_in_ddp(ddp_comp,
+ private->data->third_path,
+ private->data->third_len) == true) {
+ ret = BIT(2);
+ } else {
+ DRM_INFO("Failed to find comp in ddp table\n");
+ ret = 0;
+ }
+ return ret;
+}
+
int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
const struct mtk_ddp_comp_funcs *funcs)
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index debe36395fe7..1d9e00b69462 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -202,6 +202,8 @@ static inline void mtk_ddp_ctm_set(struct mtk_ddp_comp *comp,
int mtk_ddp_comp_get_id(struct device_node *node,
enum mtk_ddp_comp_type comp_type);
+unsigned int mtk_drm_find_possible_crtc_by_comp(struct drm_device *drm,
+ struct mtk_ddp_comp ddp_comp);
int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
struct mtk_ddp_comp *comp, enum mtk_ddp_comp_id comp_id,
const struct mtk_ddp_comp_funcs *funcs);
--
2.25.1
_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek
next prev parent reply other threads:[~2020-07-28 11:18 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-28 11:17 [PATCH v2 0/5] make hdmi work on bananapi-r2 Frank Wunderlich
2020-07-28 11:17 ` [PATCH v2 1/5] drm/mediatek: config component output by device node port Frank Wunderlich
2020-08-02 0:03 ` Chun-Kuang Hu
2020-08-02 8:05 ` Aw: " Frank Wunderlich
2020-08-02 23:47 ` Chun-Kuang Hu
2020-08-03 10:42 ` Aw: " Frank Wunderlich
2020-08-03 16:27 ` Chun-Kuang Hu
2020-08-03 18:02 ` Frank Wunderlich
2020-08-04 9:53 ` Aw: " Frank Wunderlich
2020-07-28 11:17 ` [PATCH v2 2/5] drm/mediatek: fix boot up for 720 and 480 but 1080 Frank Wunderlich
2020-08-02 0:08 ` Chun-Kuang Hu
2020-08-02 4:42 ` Frank Wunderlich
2020-08-02 23:38 ` Chun-Kuang Hu
2020-07-28 11:17 ` Frank Wunderlich [this message]
2020-08-02 3:02 ` [PATCH v2 3/5] drm: Add get_possible_crtc API for dpi, dsi Chun-Kuang Hu
2020-07-28 11:17 ` [PATCH v2 4/5] drm/mediatek: dpi/dsi: change the getting possible_crtc way Frank Wunderlich
2020-08-02 3:07 ` Chun-Kuang Hu
2020-08-02 8:17 ` Frank Wunderlich
2020-07-28 11:18 ` [PATCH v2 5/5] arm: dts: mt7623: add display subsystem related device nodes Frank Wunderlich
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20200728111800.77641-4-frank-w@public-files.de \
--to=frank-w@public-files.de \
--cc=airlied@linux.ie \
--cc=chunkuang.hu@kernel.org \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mediatek@lists.infradead.org \
--cc=matthias.bgg@gmail.com \
--cc=p.zabel@pengutronix.de \
--cc=stu.hsieh@mediatek.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).