From: Stu Hsieh <stu.hsieh@mediatek.com>
To: CK Hu <ck.hu@mediatek.com>, Philipp Zabel <p.zabel@pengutronix.de>
Cc: David Airlie <airlied@linux.ie>,
Matthias Brugger <matthias.bgg@gmail.com>,
<dri-devel@lists.freedesktop.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-mediatek@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <srv_heupstream@mediatek.com>,
Stu Hsieh <stu.hsieh@mediatek.com>
Subject: [PATCH v2 06/15] drm/mediatek: add memory mode for RDMA
Date: Fri, 3 Aug 2018 11:10:59 +0800 [thread overview]
Message-ID: <1533265868-28110-7-git-send-email-stu.hsieh@mediatek.com> (raw)
In-Reply-To: <1533265868-28110-1-git-send-email-stu.hsieh@mediatek.com>
This patch add memory mode for RDMA
If use RDMA to read data from memory, it should set memory mode to RDMA
Signed-off-by: Stu Hsieh <stu.hsieh@mediatek.com>
---
drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 60851bb2dd63..1985035451ce 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -31,6 +31,7 @@
#define RDMA_REG_UPDATE_INT BIT(0)
#define DISP_REG_RDMA_GLOBAL_CON 0x0010
#define RDMA_ENGINE_EN BIT(0)
+#define RDMA_MODE_MEMORY BIT(1)
#define DISP_REG_RDMA_SIZE_CON_0 0x0014
#define DISP_REG_RDMA_SIZE_CON_1 0x0018
#define DISP_REG_RDMA_TARGET_LINE 0x001c
@@ -53,6 +54,7 @@ struct mtk_disp_rdma {
struct mtk_ddp_comp ddp_comp;
struct drm_crtc *crtc;
const struct mtk_disp_rdma_data *data;
+ bool rdma_memory_mode;
};
static inline struct mtk_disp_rdma *comp_to_rdma(struct mtk_ddp_comp *comp)
@@ -121,10 +123,15 @@ static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width,
unsigned int threshold;
unsigned int reg;
struct mtk_disp_rdma *rdma = comp_to_rdma(comp);
+ bool *rdma_memory_mode = comp->comp_mode;
rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0, 0xfff, width);
rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_1, 0xfffff, height);
+ if (*rdma_memory_mode == true)
+ rdma_update_bits(comp, DISP_REG_RDMA_GLOBAL_CON,
+ RDMA_MODE_MEMORY, RDMA_MODE_MEMORY);
+
/*
* Enable FIFO underflow since DSI and DPI can't be blocked.
* Keep the FIFO pseudo size reset default of 8 KiB. Set the
--
2.12.5.2.gbdf23ab
next prev parent reply other threads:[~2018-08-03 3:11 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-03 3:10 [PATCH v2 00/15] Add RDMA memory mode support for mediatek SOC MT2712 Stu Hsieh
2018-08-03 3:10 ` [PATCH v2 01/15] drm/mediatek: add connection from RDMA0 to DPI1 Stu Hsieh
2018-08-03 4:57 ` CK Hu
2018-08-03 3:10 ` [PATCH v2 02/15] drm/mediatek: add connection from RDMA0 to DSI1 Stu Hsieh
2018-08-03 4:58 ` CK Hu
2018-08-03 3:10 ` [PATCH v2 03/15] drm/mediatek: add connection from RDMA1 to DSI0 Stu Hsieh
2018-08-03 5:00 ` CK Hu
2018-08-03 3:10 ` [PATCH v2 04/15] drm/mediatek: add connection from RDMA2 " Stu Hsieh
2018-08-03 5:01 ` CK Hu
2018-08-03 3:10 ` [PATCH v2 05/15] drm/mediatek: add RDMA memory mode for crtc created Stu Hsieh
2018-08-03 3:10 ` Stu Hsieh [this message]
2018-08-03 3:11 ` [PATCH v2 07/15] drm/mediatek: add layer config to set RDMA for plane setting Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 08/15] drm/mediatek: add RGB color format support for RDMA Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 09/15] drm/mediatek: add YUYV/UYVY " Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 10/15] drm/mediatek: add function to get layer number for component Stu Hsieh
2018-08-03 5:08 ` CK Hu
2018-08-03 3:11 ` [PATCH v2 11/15] drm/mediatek: add callback function to return OVL layer number Stu Hsieh
2018-08-03 5:11 ` CK Hu
2018-08-06 11:54 ` Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 12/15] drm/mediatek: add callback function to return RDMA " Stu Hsieh
2018-08-03 5:13 ` CK Hu
2018-08-06 11:53 ` Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 13/15] drm/mediatek: use layer_nr function to get layer number to init plane Stu Hsieh
2018-08-03 5:33 ` CK Hu
2018-08-06 11:55 ` Stu Hsieh
2018-08-03 3:11 ` [PATCH v2 14/15] drm/mediatek: update some variable name from ovl to comp Stu Hsieh
2018-08-03 5:34 ` CK Hu
2018-08-03 3:11 ` [PATCH v2 15/15] drm/mediatek: fix connection from RDMA2 to DSI1 Stu Hsieh
2018-08-03 5:36 ` CK Hu
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