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Commit 60c04456 authored by Steve Longerbeam's avatar Steve Longerbeam Committed by Philipp Zabel
Browse files

gpu: ipu-cpmem: Add ipu_cpmem_dump() 



Adds ipu_cpmem_dump() which dumps a channel's cpmem to debug.

Signed-off-by: default avatarSteve Longerbeam <steve_longerbeam@mentor.com>
Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent 9a34cef0

drivers/gpu/ipu-v3/ipu-cpmem.c

+63 −0
Original line number Diff line number Diff line
@@ -674,6 +674,69 @@ int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image) 
}

EXPORT_SYMBOL_GPL(ipu_cpmem_set_image);



void ipu_cpmem_dump(struct ipuv3_channel *ch)

{

	struct ipu_ch_param __iomem *p = ipu_get_cpmem(ch);

	struct ipu_soc *ipu = ch->ipu;

	int chno = ch->num;



	dev_dbg(ipu->dev, "ch %d word 0 - %08X %08X %08X %08X %08X\n", chno,

		readl(&p->word[0].data[0]),

		readl(&p->word[0].data[1]),

		readl(&p->word[0].data[2]),

		readl(&p->word[0].data[3]),

		readl(&p->word[0].data[4]));

	dev_dbg(ipu->dev, "ch %d word 1 - %08X %08X %08X %08X %08X\n", chno,

		readl(&p->word[1].data[0]),

		readl(&p->word[1].data[1]),

		readl(&p->word[1].data[2]),

		readl(&p->word[1].data[3]),

		readl(&p->word[1].data[4]));

	dev_dbg(ipu->dev, "PFS 0x%x, ",

		 ipu_ch_param_read_field(ch, IPU_FIELD_PFS));

	dev_dbg(ipu->dev, "BPP 0x%x, ",

		ipu_ch_param_read_field(ch, IPU_FIELD_BPP));

	dev_dbg(ipu->dev, "NPB 0x%x\n",

		 ipu_ch_param_read_field(ch, IPU_FIELD_NPB));



	dev_dbg(ipu->dev, "FW %d, ",

		 ipu_ch_param_read_field(ch, IPU_FIELD_FW));

	dev_dbg(ipu->dev, "FH %d, ",

		 ipu_ch_param_read_field(ch, IPU_FIELD_FH));

	dev_dbg(ipu->dev, "EBA0 0x%x\n",

		 ipu_ch_param_read_field(ch, IPU_FIELD_EBA0) << 3);

	dev_dbg(ipu->dev, "EBA1 0x%x\n",

		 ipu_ch_param_read_field(ch, IPU_FIELD_EBA1) << 3);

	dev_dbg(ipu->dev, "Stride %d\n",

		 ipu_ch_param_read_field(ch, IPU_FIELD_SL));

	dev_dbg(ipu->dev, "scan_order %d\n",

		 ipu_ch_param_read_field(ch, IPU_FIELD_SO));

	dev_dbg(ipu->dev, "uv_stride %d\n",

		 ipu_ch_param_read_field(ch, IPU_FIELD_SLUV));

	dev_dbg(ipu->dev, "u_offset 0x%x\n",

		 ipu_ch_param_read_field(ch, IPU_FIELD_UBO) << 3);

	dev_dbg(ipu->dev, "v_offset 0x%x\n",

		 ipu_ch_param_read_field(ch, IPU_FIELD_VBO) << 3);



	dev_dbg(ipu->dev, "Width0 %d+1, ",

		 ipu_ch_param_read_field(ch, IPU_FIELD_WID0));

	dev_dbg(ipu->dev, "Width1 %d+1, ",

		 ipu_ch_param_read_field(ch, IPU_FIELD_WID1));

	dev_dbg(ipu->dev, "Width2 %d+1, ",

		 ipu_ch_param_read_field(ch, IPU_FIELD_WID2));

	dev_dbg(ipu->dev, "Width3 %d+1, ",

		 ipu_ch_param_read_field(ch, IPU_FIELD_WID3));

	dev_dbg(ipu->dev, "Offset0 %d, ",

		 ipu_ch_param_read_field(ch, IPU_FIELD_OFS0));

	dev_dbg(ipu->dev, "Offset1 %d, ",

		 ipu_ch_param_read_field(ch, IPU_FIELD_OFS1));

	dev_dbg(ipu->dev, "Offset2 %d, ",

		 ipu_ch_param_read_field(ch, IPU_FIELD_OFS2));

	dev_dbg(ipu->dev, "Offset3 %d\n",

		 ipu_ch_param_read_field(ch, IPU_FIELD_OFS3));

}

EXPORT_SYMBOL_GPL(ipu_cpmem_dump);



int ipu_cpmem_init(struct ipu_soc *ipu, struct device *dev, unsigned long base)

{

	struct ipu_cpmem *cpmem;

include/video/imx-ipu-v3.h

+1 −0
Original line number Diff line number Diff line
@@ -211,6 +211,7 @@ void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch, 
			      u32 pixel_format, int stride, int height);

int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc);

int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image);

void ipu_cpmem_dump(struct ipuv3_channel *ch);



/*

 * IPU Display Controller (dc) functions