diff options
| author | Maxime Jourdan <[email protected]> | 2019-03-11 10:51:44 +0000 |
|---|---|---|
| committer | Neil Armstrong <[email protected]> | 2019-03-20 08:28:39 +0000 |
| commit | 2bf6b5b0e374fccda724ca208e8d5433b869246a (patch) | |
| tree | 009626f9871905bcd97c1b29b815577b593d520e /drivers/gpu/drm/meson/meson_canvas.c | |
| parent | dt-bindings: display: amlogic, meson-vpu: exclusively use amlogic, canvas (diff) | |
| download | kernel-2bf6b5b0e374fccda724ca208e8d5433b869246a.tar.gz kernel-2bf6b5b0e374fccda724ca208e8d5433b869246a.zip | |
drm/meson: exclusively use the canvas provider module
Now that the DMC register range is no longer in the bindings, remove any
mention towards it and exclusively use the meson-canvas module.
Signed-off-by: Maxime Jourdan <[email protected]>
Acked-by: Neil Armstrong <[email protected]>
Signed-off-by: Neil Armstrong <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Diffstat (limited to 'drivers/gpu/drm/meson/meson_canvas.c')
| -rw-r--r-- | drivers/gpu/drm/meson/meson_canvas.c | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/drivers/gpu/drm/meson/meson_canvas.c b/drivers/gpu/drm/meson/meson_canvas.c deleted file mode 100644 index 5de11aa7c775..000000000000 --- a/drivers/gpu/drm/meson/meson_canvas.c +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Copyright (C) 2016 BayLibre, SAS - * Author: Neil Armstrong <[email protected]> - * Copyright (C) 2015 Amlogic, Inc. All rights reserved. - * Copyright (C) 2014 Endless Mobile - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include "meson_drv.h" -#include "meson_canvas.h" -#include "meson_registers.h" - -/** - * DOC: Canvas - * - * CANVAS is a memory zone where physical memory frames information - * are stored for the VIU to scanout. - */ - -/* DMC Registers */ -#define DMC_CAV_LUT_DATAL 0x48 /* 0x12 offset in data sheet */ -#define CANVAS_WIDTH_LBIT 29 -#define CANVAS_WIDTH_LWID 3 -#define DMC_CAV_LUT_DATAH 0x4c /* 0x13 offset in data sheet */ -#define CANVAS_WIDTH_HBIT 0 -#define CANVAS_HEIGHT_BIT 9 -#define CANVAS_BLKMODE_BIT 24 -#define CANVAS_ENDIAN_BIT 26 -#define DMC_CAV_LUT_ADDR 0x50 /* 0x14 offset in data sheet */ -#define CANVAS_LUT_WR_EN (0x2 << 8) -#define CANVAS_LUT_RD_EN (0x1 << 8) - -void meson_canvas_setup(struct meson_drm *priv, - uint32_t canvas_index, uint32_t addr, - uint32_t stride, uint32_t height, - unsigned int wrap, - unsigned int blkmode, - unsigned int endian) -{ - unsigned int val; - - regmap_write(priv->dmc, DMC_CAV_LUT_DATAL, - (((addr + 7) >> 3)) | - (((stride + 7) >> 3) << CANVAS_WIDTH_LBIT)); - - regmap_write(priv->dmc, DMC_CAV_LUT_DATAH, - ((((stride + 7) >> 3) >> CANVAS_WIDTH_LWID) << - CANVAS_WIDTH_HBIT) | - (height << CANVAS_HEIGHT_BIT) | - (wrap << 22) | - (blkmode << CANVAS_BLKMODE_BIT) | - (endian << CANVAS_ENDIAN_BIT)); - - regmap_write(priv->dmc, DMC_CAV_LUT_ADDR, - CANVAS_LUT_WR_EN | canvas_index); - - /* Force a read-back to make sure everything is flushed. */ - regmap_read(priv->dmc, DMC_CAV_LUT_DATAH, &val); -} |
