Commit ada4a19e authored by Dmitry Baryshkov's avatar Dmitry Baryshkov
Browse files

drm/msm/dpu: rewrite _dpu_format_populate_plane_sizes_ubwc()

Drop extra wrapping layer (msm_media_info.h) and inline all VENUS_*()
functions, simplifying the code.

Patchwork: https://patchwork.freedesktop.org/patch/688184/
Link: https://lore.kernel.org/r/20251114-dpu-formats-v3-11-cae312379d49@oss.qualcomm.com


Tested-by: Luca Weiss <luca.weiss@fairphone.com> # qcm6490-fairphone-fp5
Signed-off-by: default avatarDmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
parent d4db3a06
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+57 −64
Original line number Diff line number Diff line
@@ -7,10 +7,19 @@
#include <uapi/drm/drm_fourcc.h>
#include <drm/drm_framebuffer.h>

#include "msm_media_info.h"
#include "dpu_kms.h"
#include "dpu_formats.h"

#ifndef MSM_MEDIA_ALIGN
#define MSM_MEDIA_ALIGN(__sz, __align) (((__align) & ((__align) - 1)) ?\
	((((__sz) + (__align) - 1) / (__align)) * (__align)) :\
	(((__sz) + (__align) - 1) & (~((__align) - 1))))
#endif

#ifndef MSM_MEDIA_ROUNDUP
#define MSM_MEDIA_ROUNDUP(__sz, __r) (((__sz) + ((__r) - 1)) / (__r))
#endif

#define DPU_UBWC_PLANE_SIZE_ALIGNMENT	4096

/*
@@ -54,90 +63,70 @@ static void _dpu_get_v_h_subsample_rate(
	}
}

static int _dpu_format_get_media_color_ubwc(const struct msm_format *fmt)
{
	static const struct dpu_media_color_map dpu_media_ubwc_map[] = {
		{DRM_FORMAT_ABGR8888, COLOR_FMT_RGBA8888_UBWC},
		{DRM_FORMAT_ARGB8888, COLOR_FMT_RGBA8888_UBWC},
		{DRM_FORMAT_XBGR8888, COLOR_FMT_RGBA8888_UBWC},
		{DRM_FORMAT_XRGB8888, COLOR_FMT_RGBA8888_UBWC},
		{DRM_FORMAT_ABGR2101010, COLOR_FMT_RGBA1010102_UBWC},
		{DRM_FORMAT_ARGB2101010, COLOR_FMT_RGBA1010102_UBWC},
		{DRM_FORMAT_XRGB2101010, COLOR_FMT_RGBA1010102_UBWC},
		{DRM_FORMAT_XBGR2101010, COLOR_FMT_RGBA1010102_UBWC},
		{DRM_FORMAT_BGR565, COLOR_FMT_RGB565_UBWC},
	};
	int color_fmt = -1;
	int i;

	if (fmt->pixel_format == DRM_FORMAT_NV12 ||
	    fmt->pixel_format == DRM_FORMAT_P010) {
		if (MSM_FORMAT_IS_DX(fmt)) {
			if (fmt->flags & MSM_FORMAT_FLAG_UNPACK_TIGHT)
				color_fmt = COLOR_FMT_NV12_BPP10_UBWC;
			else
				color_fmt = COLOR_FMT_P010_UBWC;
		} else
			color_fmt = COLOR_FMT_NV12_UBWC;
		return color_fmt;
	}

	for (i = 0; i < ARRAY_SIZE(dpu_media_ubwc_map); ++i)
		if (fmt->pixel_format == dpu_media_ubwc_map[i].format) {
			color_fmt = dpu_media_ubwc_map[i].color;
			break;
		}
	return color_fmt;
}

static int _dpu_format_populate_plane_sizes_ubwc(
		const struct msm_format *fmt,
		struct drm_framebuffer *fb,
		struct dpu_hw_fmt_layout *layout)
{
	int color;
	bool meta = MSM_FORMAT_IS_UBWC(fmt);

	color = _dpu_format_get_media_color_ubwc(fmt);
	if (color < 0) {
		DRM_ERROR("UBWC format not supported for fmt: %p4cc\n",
			  &fmt->pixel_format);
		return -EINVAL;
	if (MSM_FORMAT_IS_YUV(fmt)) {
		unsigned int stride, sclines;
		unsigned int y_tile_width, y_tile_height;
		unsigned int y_meta_stride, y_meta_scanlines;
		unsigned int uv_meta_stride, uv_meta_scanlines;

		if (MSM_FORMAT_IS_DX(fmt)) {
			if (fmt->flags & MSM_FORMAT_FLAG_UNPACK_TIGHT) {
				stride = MSM_MEDIA_ALIGN(fb->width, 192);
				stride = MSM_MEDIA_ALIGN(stride * 4 / 3, 256);
				y_tile_width = 48;
			} else {
				stride = MSM_MEDIA_ALIGN(fb->width * 2, 256);
				y_tile_width = 32;
			}

	if (MSM_FORMAT_IS_YUV(fmt)) {
		uint32_t y_sclines, uv_sclines;
		uint32_t y_meta_scanlines = 0;
		uint32_t uv_meta_scanlines = 0;
			sclines = MSM_MEDIA_ALIGN(fb->height, 16);
			y_tile_height = 4;
		} else {
			stride = MSM_MEDIA_ALIGN(fb->width, 128);
			y_tile_width = 32;

		layout->plane_pitch[0] = VENUS_Y_STRIDE(color, fb->width);
		y_sclines = VENUS_Y_SCANLINES(color, fb->height);
			sclines = MSM_MEDIA_ALIGN(fb->height, 32);
			y_tile_height = 8;
		}

		layout->plane_pitch[0] = stride;
		layout->plane_size[0] = MSM_MEDIA_ALIGN(layout->plane_pitch[0] *
			y_sclines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);
			sclines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);

		layout->plane_pitch[1] = VENUS_UV_STRIDE(color, fb->width);
		uv_sclines = VENUS_UV_SCANLINES(color, fb->height);
		layout->plane_pitch[1] = stride;
		layout->plane_size[1] = MSM_MEDIA_ALIGN(layout->plane_pitch[1] *
			uv_sclines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);
			sclines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);

		if (!meta)
			return 0;

		layout->plane_pitch[2] = VENUS_Y_META_STRIDE(color, fb->width);
		y_meta_scanlines = VENUS_Y_META_SCANLINES(color, fb->height);
		y_meta_stride = MSM_MEDIA_ROUNDUP(fb->width, y_tile_width);
		layout->plane_pitch[2] = MSM_MEDIA_ALIGN(y_meta_stride, 64);

		y_meta_scanlines = MSM_MEDIA_ROUNDUP(fb->height, y_tile_height);
		y_meta_scanlines = MSM_MEDIA_ALIGN(y_meta_scanlines, 16);
		layout->plane_size[2] = MSM_MEDIA_ALIGN(layout->plane_pitch[2] *
			y_meta_scanlines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);

		layout->plane_pitch[3] = VENUS_UV_META_STRIDE(color, fb->width);
		uv_meta_scanlines = VENUS_UV_META_SCANLINES(color, fb->height);
		uv_meta_stride = MSM_MEDIA_ROUNDUP((fb->width+1)>>1, y_tile_width / 2);
		layout->plane_pitch[3] = MSM_MEDIA_ALIGN(uv_meta_stride, 64);

		uv_meta_scanlines = MSM_MEDIA_ROUNDUP((fb->height+1)>>1, y_tile_height);
		uv_meta_scanlines = MSM_MEDIA_ALIGN(uv_meta_scanlines, 16);
		layout->plane_size[3] = MSM_MEDIA_ALIGN(layout->plane_pitch[3] *
			uv_meta_scanlines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);

	} else {
		uint32_t rgb_scanlines, rgb_meta_scanlines;
		unsigned int rgb_scanlines, rgb_meta_scanlines, rgb_meta_stride;

		layout->plane_pitch[0] = VENUS_RGB_STRIDE(color, fb->width);
		rgb_scanlines = VENUS_RGB_SCANLINES(color, fb->height);
		layout->plane_pitch[0] = MSM_MEDIA_ALIGN(fb->width * fmt->bpp, 256);
		rgb_scanlines = MSM_MEDIA_ALIGN(fb->height, 16);
		layout->plane_size[0] = MSM_MEDIA_ALIGN(layout->plane_pitch[0] *
			rgb_scanlines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);

@@ -147,8 +136,12 @@ static int _dpu_format_populate_plane_sizes_ubwc(
		/* uAPI leaves plane[1] empty and plane[2] as meta */
		layout->num_planes += 1;

		layout->plane_pitch[2] = VENUS_RGB_META_STRIDE(color, fb->width);
		rgb_meta_scanlines = VENUS_RGB_META_SCANLINES(color, fb->height);
		rgb_meta_stride = MSM_MEDIA_ROUNDUP(fb->width, 16);
		layout->plane_pitch[2] = MSM_MEDIA_ALIGN(rgb_meta_stride, 64);

		rgb_meta_scanlines = MSM_MEDIA_ROUNDUP(fb->height, 4);
		rgb_meta_scanlines = MSM_MEDIA_ALIGN(rgb_meta_scanlines, 16);

		layout->plane_size[2] = MSM_MEDIA_ALIGN(layout->plane_pitch[2] *
			rgb_meta_scanlines, DPU_UBWC_PLANE_SIZE_ALIGNMENT);
	}
+0 −1155

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