diff mbox series

[v5,6/7] drm/mediatek: support CMDQ interface in ddp component

Message ID 20191210050526.4437-7-bibby.hsieh@mediatek.com (mailing list archive)
State New, archived
Headers show
Series drm/mediatek: fix cursor issue and apply CMDQ in MTK DRM | expand

Commit Message

Bibby Hsieh Dec. 10, 2019, 5:05 a.m. UTC 
The CMDQ (Command Queue) in MT8183 is used to help
update all relevant display controller registers
with critical time limation.
This patch add cmdq interface in ddp_comp interface,
let all ddp_comp interface can support cpu/cmdq function
at the same time.

Signed-off-by: YT Shen <yt.shen@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Bibby Hsieh <bibby.hsieh@mediatek.com>
Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_disp_color.c   |   7 +-
 drivers/gpu/drm/mediatek/mtk_disp_ovl.c     |  65 +++++-----
 drivers/gpu/drm/mediatek/mtk_disp_rdma.c    |  43 ++++---
 drivers/gpu/drm/mediatek/mtk_drm_crtc.c     |  10 +-
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c | 131 +++++++++++++++-----
 drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h |  31 +++--
 6 files changed, 193 insertions(+), 94 deletions(-)

Comments

Hsin-Yi Wang Dec. 20, 2019, 1:27 p.m. UTC | #1 
On Tue, Dec 10, 2019 at 5:05 AM Bibby Hsieh <bibby.hsieh@mediatek.com> wrote:

>
> +void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
> +                  struct mtk_ddp_comp *comp, unsigned int offset)
> +{
> +#if IS_ENABLED(CONFIG_MTK_CMDQ)
Should we use #ifdef like in v4? https://patchwork.kernel.org/patch/11274439/

We got warnings while compiling kernels if CONFIG_MTK_CMDQ is not set,
since cmdq_pkt_write() would still be compiled.
Similar in other #if IS_ENABLED(CONFIG_MTK_CMDQ) (also in 7/7
https://patchwork.kernel.org/patch/11281349/)


> +       if (cmdq_pkt)
> +               cmdq_pkt_write(cmdq_pkt, comp->subsys,
> +                              comp->regs_pa + offset, value);
> +       else
> +#endif
> +               writel(value, comp->regs + offset);
> +}
> +
CK Hu (胡俊光) Dec. 23, 2019, 8:59 a.m. UTC | #2 
Hi, Hsin-yi:

On Fri, 2019-12-20 at 21:27 +0800, Hsin-Yi Wang wrote:
> On Tue, Dec 10, 2019 at 5:05 AM Bibby Hsieh <bibby.hsieh@mediatek.com> wrote:
> 
> >
> > +void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
> > +                  struct mtk_ddp_comp *comp, unsigned int offset)
> > +{
> > +#if IS_ENABLED(CONFIG_MTK_CMDQ)
> Should we use #ifdef like in v4? https://patchwork.kernel.org/patch/11274439/
> 
> We got warnings while compiling kernels if CONFIG_MTK_CMDQ is not set,
> since cmdq_pkt_write() would still be compiled.
> Similar in other #if IS_ENABLED(CONFIG_MTK_CMDQ) (also in 7/7
> https://patchwork.kernel.org/patch/11281349/)
> 

I've changed IS_ENABLED() to IS_REACHABLE()in mediatek-drm-next-5.6 [1]
for the correct relationship between MTK_DRM and MTK_CMDQ.

[1]
https://github.com/ckhu-mediatek/linux.git-tags/commits/mediatek-drm-next-5.6

Regards,
CK

> 
> > +       if (cmdq_pkt)
> > +               cmdq_pkt_write(cmdq_pkt, comp->subsys,
> > +                              comp->regs_pa + offset, value);
> > +       else
> > +#endif
> > +               writel(value, comp->regs + offset);
> > +}
> > +
diff mbox series

Patch

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_color.c b/drivers/gpu/drm/mediatek/mtk_disp_color.c
index 59de2a46aa49..6fb0d6983a4a 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_color.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_color.c
@@ -9,6 +9,7 @@ 
 #include <linux/of_device.h>
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
 
 #include "mtk_drm_crtc.h"
 #include "mtk_drm_ddp_comp.h"
@@ -45,12 +46,12 @@  static inline struct mtk_disp_color *comp_to_color(struct mtk_ddp_comp *comp)
 
 static void mtk_color_config(struct mtk_ddp_comp *comp, unsigned int w,
 			     unsigned int h, unsigned int vrefresh,
-			     unsigned int bpc)
+			     unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
 {
 	struct mtk_disp_color *color = comp_to_color(comp);
 
-	writel(w, comp->regs + DISP_COLOR_WIDTH(color));
-	writel(h, comp->regs + DISP_COLOR_HEIGHT(color));
+	mtk_ddp_write(cmdq_pkt, w, comp, DISP_COLOR_WIDTH(color));
+	mtk_ddp_write(cmdq_pkt, h, comp, DISP_COLOR_HEIGHT(color));
 }
 
 static void mtk_color_start(struct mtk_ddp_comp *comp)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 8a32248671c3..649e371dd9b7 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -12,6 +12,7 @@ 
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
 
 #include "mtk_drm_crtc.h"
 #include "mtk_drm_ddp_comp.h"
@@ -125,14 +126,15 @@  static void mtk_ovl_stop(struct mtk_ddp_comp *comp)
 
 static void mtk_ovl_config(struct mtk_ddp_comp *comp, unsigned int w,
 			   unsigned int h, unsigned int vrefresh,
-			   unsigned int bpc)
+			   unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
 {
 	if (w != 0 && h != 0)
-		writel_relaxed(h << 16 | w, comp->regs + DISP_REG_OVL_ROI_SIZE);
-	writel_relaxed(0x0, comp->regs + DISP_REG_OVL_ROI_BGCLR);
+		mtk_ddp_write_relaxed(cmdq_pkt, h << 16 | w, comp,
+				      DISP_REG_OVL_ROI_SIZE);
+	mtk_ddp_write_relaxed(cmdq_pkt, 0x0, comp, DISP_REG_OVL_ROI_BGCLR);
 
-	writel(0x1, comp->regs + DISP_REG_OVL_RST);
-	writel(0x0, comp->regs + DISP_REG_OVL_RST);
+	mtk_ddp_write(cmdq_pkt, 0x1, comp, DISP_REG_OVL_RST);
+	mtk_ddp_write(cmdq_pkt, 0x0, comp, DISP_REG_OVL_RST);
 }
 
 static unsigned int mtk_ovl_layer_nr(struct mtk_ddp_comp *comp)
@@ -176,16 +178,16 @@  static int mtk_ovl_layer_check(struct mtk_ddp_comp *comp, unsigned int idx,
 	return 0;
 }
 
-static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx)
+static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx,
+			     struct cmdq_pkt *cmdq_pkt)
 {
-	unsigned int reg;
 	unsigned int gmc_thrshd_l;
 	unsigned int gmc_thrshd_h;
 	unsigned int gmc_value;
 	struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
 
-	writel(0x1, comp->regs + DISP_REG_OVL_RDMA_CTRL(idx));
-
+	mtk_ddp_write(cmdq_pkt, 0x1, comp,
+		      DISP_REG_OVL_RDMA_CTRL(idx));
 	gmc_thrshd_l = GMC_THRESHOLD_LOW >>
 		      (GMC_THRESHOLD_BITS - ovl->data->gmc_bits);
 	gmc_thrshd_h = GMC_THRESHOLD_HIGH >>
@@ -195,22 +197,19 @@  static void mtk_ovl_layer_on(struct mtk_ddp_comp *comp, unsigned int idx)
 	else
 		gmc_value = gmc_thrshd_l | gmc_thrshd_l << 8 |
 			    gmc_thrshd_h << 16 | gmc_thrshd_h << 24;
-	writel(gmc_value, comp->regs + DISP_REG_OVL_RDMA_GMC(idx));
-
-	reg = readl(comp->regs + DISP_REG_OVL_SRC_CON);
-	reg = reg | BIT(idx);
-	writel(reg, comp->regs + DISP_REG_OVL_SRC_CON);
+	mtk_ddp_write(cmdq_pkt, gmc_value,
+		      comp, DISP_REG_OVL_RDMA_GMC(idx));
+	mtk_ddp_write_mask(cmdq_pkt, BIT(idx), comp,
+			   DISP_REG_OVL_SRC_CON, BIT(idx));
 }
 
-static void mtk_ovl_layer_off(struct mtk_ddp_comp *comp, unsigned int idx)
+static void mtk_ovl_layer_off(struct mtk_ddp_comp *comp, unsigned int idx,
+			      struct cmdq_pkt *cmdq_pkt)
 {
-	unsigned int reg;
-
-	reg = readl(comp->regs + DISP_REG_OVL_SRC_CON);
-	reg = reg & ~BIT(idx);
-	writel(reg, comp->regs + DISP_REG_OVL_SRC_CON);
-
-	writel(0x0, comp->regs + DISP_REG_OVL_RDMA_CTRL(idx));
+	mtk_ddp_write_mask(cmdq_pkt, 0, comp,
+			   DISP_REG_OVL_SRC_CON, BIT(idx));
+	mtk_ddp_write(cmdq_pkt, 0, comp,
+		      DISP_REG_OVL_RDMA_CTRL(idx));
 }
 
 static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt)
@@ -250,7 +249,8 @@  static unsigned int ovl_fmt_convert(struct mtk_disp_ovl *ovl, unsigned int fmt)
 }
 
 static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
-				 struct mtk_plane_state *state)
+				 struct mtk_plane_state *state,
+				 struct cmdq_pkt *cmdq_pkt)
 {
 	struct mtk_disp_ovl *ovl = comp_to_ovl(comp);
 	struct mtk_plane_pending_state *pending = &state->pending;
@@ -262,7 +262,7 @@  static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
 	unsigned int con;
 
 	if (!pending->enable)
-		mtk_ovl_layer_off(comp, idx);
+		mtk_ovl_layer_off(comp, idx, cmdq_pkt);
 
 	con = ovl_fmt_convert(ovl, fmt);
 	if (idx != 0)
@@ -278,14 +278,19 @@  static void mtk_ovl_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
 		addr += pending->pitch - 1;
 	}
 
-	writel_relaxed(con, comp->regs + DISP_REG_OVL_CON(idx));
-	writel_relaxed(pitch, comp->regs + DISP_REG_OVL_PITCH(idx));
-	writel_relaxed(src_size, comp->regs + DISP_REG_OVL_SRC_SIZE(idx));
-	writel_relaxed(offset, comp->regs + DISP_REG_OVL_OFFSET(idx));
-	writel_relaxed(addr, comp->regs + DISP_REG_OVL_ADDR(ovl, idx));
+	mtk_ddp_write_relaxed(cmdq_pkt, con, comp,
+			      DISP_REG_OVL_CON(idx));
+	mtk_ddp_write_relaxed(cmdq_pkt, pitch, comp,
+			      DISP_REG_OVL_PITCH(idx));
+	mtk_ddp_write_relaxed(cmdq_pkt, src_size, comp,
+			      DISP_REG_OVL_SRC_SIZE(idx));
+	mtk_ddp_write_relaxed(cmdq_pkt, offset, comp,
+			      DISP_REG_OVL_OFFSET(idx));
+	mtk_ddp_write_relaxed(cmdq_pkt, addr, comp,
+			      DISP_REG_OVL_ADDR(ovl, idx));
 
 	if (pending->enable)
-		mtk_ovl_layer_on(comp, idx);
+		mtk_ovl_layer_on(comp, idx, cmdq_pkt);
 }
 
 static void mtk_ovl_bgclr_in_on(struct mtk_ddp_comp *comp)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 1e05664aecbd..a915f68aac35 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -10,6 +10,7 @@ 
 #include <linux/of_irq.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
+#include <linux/soc/mediatek/mtk-cmdq.h>
 
 #include "mtk_drm_crtc.h"
 #include "mtk_drm_ddp_comp.h"
@@ -127,14 +128,16 @@  static void mtk_rdma_stop(struct mtk_ddp_comp *comp)
 
 static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width,
 			    unsigned int height, unsigned int vrefresh,
-			    unsigned int bpc)
+			    unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
 {
 	unsigned int threshold;
 	unsigned int reg;
 	struct mtk_disp_rdma *rdma = comp_to_rdma(comp);
 
-	rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0, 0xfff, width);
-	rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_1, 0xfffff, height);
+	mtk_ddp_write_mask(cmdq_pkt, width, comp,
+			   DISP_REG_RDMA_SIZE_CON_0, 0xfff);
+	mtk_ddp_write_mask(cmdq_pkt, height, comp,
+			   DISP_REG_RDMA_SIZE_CON_1, 0xfffff);
 
 	/*
 	 * Enable FIFO underflow since DSI and DPI can't be blocked.
@@ -146,7 +149,7 @@  static void mtk_rdma_config(struct mtk_ddp_comp *comp, unsigned int width,
 	reg = RDMA_FIFO_UNDERFLOW_EN |
 	      RDMA_FIFO_PSEUDO_SIZE(RDMA_FIFO_SIZE(rdma)) |
 	      RDMA_OUTPUT_VALID_FIFO_THRESHOLD(threshold);
-	writel(reg, comp->regs + DISP_REG_RDMA_FIFO_CON);
+	mtk_ddp_write(cmdq_pkt, reg, comp, DISP_REG_RDMA_FIFO_CON);
 }
 
 static unsigned int rdma_fmt_convert(struct mtk_disp_rdma *rdma,
@@ -192,7 +195,8 @@  static unsigned int mtk_rdma_layer_nr(struct mtk_ddp_comp *comp)
 }
 
 static void mtk_rdma_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
-				  struct mtk_plane_state *state)
+				  struct mtk_plane_state *state,
+				  struct cmdq_pkt *cmdq_pkt)
 {
 	struct mtk_disp_rdma *rdma = comp_to_rdma(comp);
 	struct mtk_plane_pending_state *pending = &state->pending;
@@ -202,24 +206,27 @@  static void mtk_rdma_layer_config(struct mtk_ddp_comp *comp, unsigned int idx,
 	unsigned int con;
 
 	con = rdma_fmt_convert(rdma, fmt);
-	writel_relaxed(con, comp->regs + DISP_RDMA_MEM_CON);
+	mtk_ddp_write_relaxed(cmdq_pkt, con, comp, DISP_RDMA_MEM_CON);
 
 	if (fmt == DRM_FORMAT_UYVY || fmt == DRM_FORMAT_YUYV) {
-		rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0,
-				 RDMA_MATRIX_ENABLE, RDMA_MATRIX_ENABLE);
-		rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0,
-				 RDMA_MATRIX_INT_MTX_SEL,
-				 RDMA_MATRIX_INT_MTX_BT601_to_RGB);
+		mtk_ddp_write_mask(cmdq_pkt, RDMA_MATRIX_ENABLE, comp,
+				   DISP_REG_RDMA_SIZE_CON_0,
+				   RDMA_MATRIX_ENABLE);
+		mtk_ddp_write_mask(cmdq_pkt, RDMA_MATRIX_INT_MTX_BT601_to_RGB,
+				   comp, DISP_REG_RDMA_SIZE_CON_0,
+				   RDMA_MATRIX_INT_MTX_SEL);
 	} else {
-		rdma_update_bits(comp, DISP_REG_RDMA_SIZE_CON_0,
-				 RDMA_MATRIX_ENABLE, 0);
+		mtk_ddp_write_mask(cmdq_pkt, 0, comp,
+				   DISP_REG_RDMA_SIZE_CON_0,
+				   RDMA_MATRIX_ENABLE);
 	}
+	mtk_ddp_write_relaxed(cmdq_pkt, addr, comp, DISP_RDMA_MEM_START_ADDR);
+	mtk_ddp_write_relaxed(cmdq_pkt, pitch, comp, DISP_RDMA_MEM_SRC_PITCH);
+	mtk_ddp_write(cmdq_pkt, RDMA_MEM_GMC, comp,
+		      DISP_RDMA_MEM_GMC_SETTING_0);
+	mtk_ddp_write_mask(cmdq_pkt, RDMA_MODE_MEMORY, comp,
+			   DISP_REG_RDMA_GLOBAL_CON, RDMA_MODE_MEMORY);
 
-	writel_relaxed(addr, comp->regs + DISP_RDMA_MEM_START_ADDR);
-	writel_relaxed(pitch, comp->regs + DISP_RDMA_MEM_SRC_PITCH);
-	writel(RDMA_MEM_GMC, comp->regs + DISP_RDMA_MEM_GMC_SETTING_0);
-	rdma_update_bits(comp, DISP_REG_RDMA_GLOBAL_CON,
-			 RDMA_MODE_MEMORY, RDMA_MODE_MEMORY);
 }
 
 static const struct mtk_ddp_comp_funcs mtk_disp_rdma_funcs = {
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index adf072fb4ae3..5b3e24a7ef6c 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -306,7 +306,7 @@  static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
 		if (i == 1)
 			mtk_ddp_comp_bgclr_in_on(comp);
 
-		mtk_ddp_comp_config(comp, width, height, vrefresh, bpc);
+		mtk_ddp_comp_config(comp, width, height, vrefresh, bpc, NULL);
 		mtk_ddp_comp_start(comp);
 	}
 
@@ -321,7 +321,7 @@  static int mtk_crtc_ddp_hw_init(struct mtk_drm_crtc *mtk_crtc)
 		comp = mtk_drm_ddp_comp_for_plane(crtc, plane, &local_layer);
 		if (comp)
 			mtk_ddp_comp_layer_config(comp, local_layer,
-						  plane_state);
+						  plane_state, NULL);
 	}
 
 	return 0;
@@ -391,7 +391,7 @@  static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
 	if (state->pending_config) {
 		mtk_ddp_comp_config(comp, state->pending_width,
 				    state->pending_height,
-				    state->pending_vrefresh, 0);
+				    state->pending_vrefresh, 0, NULL);
 
 		state->pending_config = false;
 	}
@@ -411,7 +411,7 @@  static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
 
 			if (comp)
 				mtk_ddp_comp_layer_config(comp, local_layer,
-							  plane_state);
+							  plane_state, NULL);
 			plane_state->pending.config = false;
 		}
 		mtk_crtc->pending_planes = false;
@@ -432,7 +432,7 @@  static void mtk_crtc_ddp_config(struct drm_crtc *crtc)
 
 			if (comp)
 				mtk_ddp_comp_layer_config(comp, local_layer,
-							  plane_state);
+							  plane_state, NULL);
 			plane_state->pending.async_config = false;
 		}
 		mtk_crtc->pending_async_planes = false;
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
index 3407d38aff8f..cb3296f67f50 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.c
@@ -12,7 +12,7 @@ 
 #include <linux/of_irq.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
-
+#include <linux/soc/mediatek/mtk-cmdq.h>
 #include "mtk_drm_drv.h"
 #include "mtk_drm_plane.h"
 #include "mtk_drm_ddp_comp.h"
@@ -76,36 +76,84 @@ 
 #define DITHER_ADD_LSHIFT_G(x)			(((x) & 0x7) << 4)
 #define DITHER_ADD_RSHIFT_G(x)			(((x) & 0x7) << 0)
 
+void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+		   struct mtk_ddp_comp *comp, unsigned int offset)
+{
+#if IS_ENABLED(CONFIG_MTK_CMDQ)
+	if (cmdq_pkt)
+		cmdq_pkt_write(cmdq_pkt, comp->subsys,
+			       comp->regs_pa + offset, value);
+	else
+#endif
+		writel(value, comp->regs + offset);
+}
+
+void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+			   struct mtk_ddp_comp *comp,
+			   unsigned int offset)
+{
+#if IS_ENABLED(CONFIG_MTK_CMDQ)
+	if (cmdq_pkt)
+		cmdq_pkt_write(cmdq_pkt, comp->subsys,
+			       comp->regs_pa + offset, value);
+	else
+#endif
+		writel_relaxed(value, comp->regs + offset);
+}
+
+void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt,
+			unsigned int value,
+			struct mtk_ddp_comp *comp,
+			unsigned int offset,
+			unsigned int mask)
+{
+#if IS_ENABLED(CONFIG_MTK_CMDQ)
+	if (cmdq_pkt) {
+		cmdq_pkt_write_mask(cmdq_pkt, comp->subsys,
+				    comp->regs_pa + offset, value, mask);
+	} else {
+#endif
+		u32 tmp = readl(comp->regs + offset);
+
+		tmp = (tmp & ~mask) | (value & mask);
+		writel(tmp, comp->regs + offset);
+#if IS_ENABLED(CONFIG_MTK_CMDQ)
+	}
+#endif
+}
+
 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
-		    unsigned int CFG)
+		    unsigned int CFG, struct cmdq_pkt *cmdq_pkt)
 {
 	/* If bpc equal to 0, the dithering function didn't be enabled */
 	if (bpc == 0)
 		return;
 
 	if (bpc >= MTK_MIN_BPC) {
-		writel(0, comp->regs + DISP_DITHER_5);
-		writel(0, comp->regs + DISP_DITHER_7);
-		writel(DITHER_LSB_ERR_SHIFT_R(MTK_MAX_BPC - bpc) |
-		       DITHER_ADD_LSHIFT_R(MTK_MAX_BPC - bpc) |
-		       DITHER_NEW_BIT_MODE,
-		       comp->regs + DISP_DITHER_15);
-		writel(DITHER_LSB_ERR_SHIFT_B(MTK_MAX_BPC - bpc) |
-		       DITHER_ADD_LSHIFT_B(MTK_MAX_BPC - bpc) |
-		       DITHER_LSB_ERR_SHIFT_G(MTK_MAX_BPC - bpc) |
-		       DITHER_ADD_LSHIFT_G(MTK_MAX_BPC - bpc),
-		       comp->regs + DISP_DITHER_16);
-		writel(DISP_DITHERING, comp->regs + CFG);
+		mtk_ddp_write(cmdq_pkt, 0, comp, DISP_DITHER_5);
+		mtk_ddp_write(cmdq_pkt, 0, comp, DISP_DITHER_7);
+		mtk_ddp_write(cmdq_pkt,
+			      DITHER_LSB_ERR_SHIFT_R(MTK_MAX_BPC - bpc) |
+			      DITHER_ADD_LSHIFT_R(MTK_MAX_BPC - bpc) |
+			      DITHER_NEW_BIT_MODE,
+			      comp, DISP_DITHER_15);
+		mtk_ddp_write(cmdq_pkt,
+			      DITHER_LSB_ERR_SHIFT_B(MTK_MAX_BPC - bpc) |
+			      DITHER_ADD_LSHIFT_B(MTK_MAX_BPC - bpc) |
+			      DITHER_LSB_ERR_SHIFT_G(MTK_MAX_BPC - bpc) |
+			      DITHER_ADD_LSHIFT_G(MTK_MAX_BPC - bpc),
+			      comp, DISP_DITHER_16);
+		mtk_ddp_write(cmdq_pkt, DISP_DITHERING, comp, CFG);
 	}
 }
 
 static void mtk_od_config(struct mtk_ddp_comp *comp, unsigned int w,
 			  unsigned int h, unsigned int vrefresh,
-			  unsigned int bpc)
+			  unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
 {
-	writel(w << 16 | h, comp->regs + DISP_OD_SIZE);
-	writel(OD_RELAYMODE, comp->regs + DISP_OD_CFG);
-	mtk_dither_set(comp, bpc, DISP_OD_CFG);
+	mtk_ddp_write(cmdq_pkt, w << 16 | h, comp, DISP_OD_SIZE);
+	mtk_ddp_write(cmdq_pkt, OD_RELAYMODE, comp, DISP_OD_CFG);
+	mtk_dither_set(comp, bpc, DISP_OD_CFG, cmdq_pkt);
 }
 
 static void mtk_od_start(struct mtk_ddp_comp *comp)
@@ -120,9 +168,9 @@  static void mtk_ufoe_start(struct mtk_ddp_comp *comp)
 
 static void mtk_aal_config(struct mtk_ddp_comp *comp, unsigned int w,
 			   unsigned int h, unsigned int vrefresh,
-			   unsigned int bpc)
+			   unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
 {
-	writel(h << 16 | w, comp->regs + DISP_AAL_SIZE);
+	mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_AAL_SIZE);
 }
 
 static void mtk_aal_start(struct mtk_ddp_comp *comp)
@@ -137,10 +185,10 @@  static void mtk_aal_stop(struct mtk_ddp_comp *comp)
 
 static void mtk_ccorr_config(struct mtk_ddp_comp *comp, unsigned int w,
 			     unsigned int h, unsigned int vrefresh,
-			     unsigned int bpc)
+			     unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
 {
-	writel(h << 16 | w, comp->regs + DISP_CCORR_SIZE);
-	writel(CCORR_RELAY_MODE, comp->regs + DISP_CCORR_CFG);
+	mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_CCORR_SIZE);
+	mtk_ddp_write(cmdq_pkt, CCORR_RELAY_MODE, comp, DISP_CCORR_CFG);
 }
 
 static void mtk_ccorr_start(struct mtk_ddp_comp *comp)
@@ -155,10 +203,10 @@  static void mtk_ccorr_stop(struct mtk_ddp_comp *comp)
 
 static void mtk_dither_config(struct mtk_ddp_comp *comp, unsigned int w,
 			      unsigned int h, unsigned int vrefresh,
-			      unsigned int bpc)
+			      unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
 {
-	writel(h << 16 | w, comp->regs + DISP_DITHER_SIZE);
-	writel(DITHER_RELAY_MODE, comp->regs + DISP_DITHER_CFG);
+	mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_DITHER_SIZE);
+	mtk_ddp_write(cmdq_pkt, DITHER_RELAY_MODE, comp, DISP_DITHER_CFG);
 }
 
 static void mtk_dither_start(struct mtk_ddp_comp *comp)
@@ -173,10 +221,10 @@  static void mtk_dither_stop(struct mtk_ddp_comp *comp)
 
 static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w,
 			     unsigned int h, unsigned int vrefresh,
-			     unsigned int bpc)
+			     unsigned int bpc, struct cmdq_pkt *cmdq_pkt)
 {
-	writel(h << 16 | w, comp->regs + DISP_GAMMA_SIZE);
-	mtk_dither_set(comp, bpc, DISP_GAMMA_CFG);
+	mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_GAMMA_SIZE);
+	mtk_dither_set(comp, bpc, DISP_GAMMA_CFG, cmdq_pkt);
 }
 
 static void mtk_gamma_start(struct mtk_ddp_comp *comp)
@@ -324,6 +372,9 @@  int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
 		      const struct mtk_ddp_comp_funcs *funcs)
 {
 	struct platform_device *comp_pdev;
+	struct resource res;
+	struct cmdq_client_reg cmdq_reg;
+	int ret = 0;
 
 	if (comp_id < 0 || comp_id >= DDP_COMPONENT_ID_MAX)
 		return -EINVAL;
@@ -358,6 +409,28 @@  int mtk_ddp_comp_init(struct device *dev, struct device_node *node,
 	}
 	comp->dev = &comp_pdev->dev;
 
+#if IS_ENABLED(CONFIG_MTK_CMDQ)
+	if (of_address_to_resource(node, 0, &res) != 0) {
+		dev_err(dev, "Missing reg in %s node\n",
+			node->full_name);
+		return -EINVAL;
+	}
+	comp->regs_pa = res.start;
+
+	comp_pdev = of_find_device_by_node(node);
+	if (!comp_pdev) {
+		dev_warn(dev, "Waiting for component device %s\n",
+			 node->full_name);
+		return -EPROBE_DEFER;
+	}
+
+	ret = cmdq_dev_get_client_reg(&comp_pdev->dev, &cmdq_reg, 0);
+	if (ret != 0)
+		dev_dbg(&comp_pdev->dev,
+			"get mediatek,gce-client-reg fail!\n");
+	else
+		comp->subsys = cmdq_reg.subsys;
+#endif
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
index dbfb90e9b9cf..384abae5a8c8 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
+++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp_comp.h
@@ -69,10 +69,11 @@  enum mtk_ddp_comp_id {
 };
 
 struct mtk_ddp_comp;
-
+struct cmdq_pkt;
 struct mtk_ddp_comp_funcs {
 	void (*config)(struct mtk_ddp_comp *comp, unsigned int w,
-		       unsigned int h, unsigned int vrefresh, unsigned int bpc);
+		       unsigned int h, unsigned int vrefresh,
+		       unsigned int bpc, struct cmdq_pkt *cmdq_pkt);
 	void (*start)(struct mtk_ddp_comp *comp);
 	void (*stop)(struct mtk_ddp_comp *comp);
 	void (*enable_vblank)(struct mtk_ddp_comp *comp, struct drm_crtc *crtc);
@@ -85,7 +86,8 @@  struct mtk_ddp_comp_funcs {
 			   unsigned int idx,
 			   struct mtk_plane_state *state);
 	void (*layer_config)(struct mtk_ddp_comp *comp, unsigned int idx,
-			     struct mtk_plane_state *state);
+			     struct mtk_plane_state *state,
+			     struct cmdq_pkt *cmdq_pkt);
 	void (*gamma_set)(struct mtk_ddp_comp *comp,
 			  struct drm_crtc_state *state);
 	void (*bgclr_in_on)(struct mtk_ddp_comp *comp);
@@ -99,14 +101,17 @@  struct mtk_ddp_comp {
 	struct device *dev;
 	enum mtk_ddp_comp_id id;
 	const struct mtk_ddp_comp_funcs *funcs;
+	resource_size_t regs_pa;
+	u8 subsys;
 };
 
 static inline void mtk_ddp_comp_config(struct mtk_ddp_comp *comp,
 				       unsigned int w, unsigned int h,
-				       unsigned int vrefresh, unsigned int bpc)
+				       unsigned int vrefresh, unsigned int bpc,
+				       struct cmdq_pkt *cmdq_pkt)
 {
 	if (comp->funcs && comp->funcs->config)
-		comp->funcs->config(comp, w, h, vrefresh, bpc);
+		comp->funcs->config(comp, w, h, vrefresh, bpc, cmdq_pkt);
 }
 
 static inline void mtk_ddp_comp_prepare(struct mtk_ddp_comp *comp)
@@ -174,10 +179,11 @@  static inline int mtk_ddp_comp_layer_check(struct mtk_ddp_comp *comp,
 
 static inline void mtk_ddp_comp_layer_config(struct mtk_ddp_comp *comp,
 					     unsigned int idx,
-					     struct mtk_plane_state *state)
+					     struct mtk_plane_state *state,
+					     struct cmdq_pkt *cmdq_pkt)
 {
 	if (comp->funcs && comp->funcs->layer_config)
-		comp->funcs->layer_config(comp, idx, state);
+		comp->funcs->layer_config(comp, idx, state, cmdq_pkt);
 }
 
 static inline void mtk_ddp_gamma_set(struct mtk_ddp_comp *comp,
@@ -207,6 +213,13 @@  int mtk_ddp_comp_init(struct device *dev, struct device_node *comp_node,
 int mtk_ddp_comp_register(struct drm_device *drm, struct mtk_ddp_comp *comp);
 void mtk_ddp_comp_unregister(struct drm_device *drm, struct mtk_ddp_comp *comp);
 void mtk_dither_set(struct mtk_ddp_comp *comp, unsigned int bpc,
-		    unsigned int CFG);
-
+		    unsigned int CFG, struct cmdq_pkt *cmdq_pkt);
+enum mtk_ddp_comp_type mtk_ddp_comp_get_type(enum mtk_ddp_comp_id comp_id);
+void mtk_ddp_write(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+		   struct mtk_ddp_comp *comp, unsigned int offset);
+void mtk_ddp_write_relaxed(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+			   struct mtk_ddp_comp *comp, unsigned int offset);
+void mtk_ddp_write_mask(struct cmdq_pkt *cmdq_pkt, unsigned int value,
+			struct mtk_ddp_comp *comp, unsigned int offset,
+			unsigned int mask);
 #endif /* MTK_DRM_DDP_COMP_H */