drm/arcpgu: Really delete file

Somehow this got forgotten when I applied the patch in

commit e2c406ea
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date:   Tue Jan 12 09:43:54 2021 +0100

    drm/arc: Inline arcpgu_crtc.c

Fixes: e2c406ea ("drm/arc: Inline arcpgu_crtc.c")
Cc: Thomas Zimmermann <tzimmermann@suse.de>
Cc: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210226133647.1403642-1-daniel.vetter@ffwll.ch

drivers/gpu/drm/arc/arcpgu_crtc.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * ARC PGU DRM driver.
- *
- * Copyright (C) 2016 Synopsys, Inc. (www.synopsys.com)
- */
-
-#include <drm/drm_atomic.h>
-#include <drm/drm_atomic_helper.h>
-#include <drm/drm_device.h>
-#include <drm/drm_fb_cma_helper.h>
-#include <drm/drm_gem_cma_helper.h>
-#include <drm/drm_plane_helper.h>
-#include <drm/drm_probe_helper.h>
-#include <linux/clk.h>
-#include <linux/platform_data/simplefb.h>
-
-#include "arcpgu.h"
-#include "arcpgu_regs.h"
-
-#define ENCODE_PGU_XY(x, y)	((((x) - 1) << 16) | ((y) - 1))
-
-static const u32 arc_pgu_supported_formats[] = {
-	DRM_FORMAT_RGB565,
-	DRM_FORMAT_XRGB8888,
-	DRM_FORMAT_ARGB8888,
-};
-
-static void arc_pgu_set_pxl_fmt(struct arcpgu_drm_private *arcpgu)
-{
-	const struct drm_framebuffer *fb = arcpgu->pipe.plane.state->fb;
-	uint32_t pixel_format = fb->format->format;
-	u32 format = DRM_FORMAT_INVALID;
-	int i;
-	u32 reg_ctrl;
-
-	for (i = 0; i < ARRAY_SIZE(arc_pgu_supported_formats); i++) {
-		if (arc_pgu_supported_formats[i] == pixel_format)
-			format = arc_pgu_supported_formats[i];
-	}
-
-	if (WARN_ON(format == DRM_FORMAT_INVALID))
-		return;
-
-	reg_ctrl = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL);
-	if (format == DRM_FORMAT_RGB565)
-		reg_ctrl &= ~ARCPGU_MODE_XRGB8888;
-	else
-		reg_ctrl |= ARCPGU_MODE_XRGB8888;
-	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, reg_ctrl);
-}
-
-static enum drm_mode_status arc_pgu_mode_valid(struct drm_simple_display_pipe *pipe,
-					       const struct drm_display_mode *mode)
-{
-	struct arcpgu_drm_private *arcpgu = pipe_to_arcpgu_priv(pipe);
-	long rate, clk_rate = mode->clock * 1000;
-	long diff = clk_rate / 200; /* +-0.5% allowed by HDMI spec */
-
-	rate = clk_round_rate(arcpgu->clk, clk_rate);
-	if ((max(rate, clk_rate) - min(rate, clk_rate) < diff) && (rate > 0))
-		return MODE_OK;
-
-	return MODE_NOCLOCK;
-}
-
-static void arc_pgu_mode_set(struct arcpgu_drm_private *arcpgu)
-{
-	struct drm_display_mode *m = &arcpgu->pipe.crtc.state->adjusted_mode;
-	u32 val;
-
-	arc_pgu_write(arcpgu, ARCPGU_REG_FMT,
-		      ENCODE_PGU_XY(m->crtc_htotal, m->crtc_vtotal));
-
-	arc_pgu_write(arcpgu, ARCPGU_REG_HSYNC,
-		      ENCODE_PGU_XY(m->crtc_hsync_start - m->crtc_hdisplay,
-				    m->crtc_hsync_end - m->crtc_hdisplay));
-
-	arc_pgu_write(arcpgu, ARCPGU_REG_VSYNC,
-		      ENCODE_PGU_XY(m->crtc_vsync_start - m->crtc_vdisplay,
-				    m->crtc_vsync_end - m->crtc_vdisplay));
-
-	arc_pgu_write(arcpgu, ARCPGU_REG_ACTIVE,
-		      ENCODE_PGU_XY(m->crtc_hblank_end - m->crtc_hblank_start,
-				    m->crtc_vblank_end - m->crtc_vblank_start));
-
-	val = arc_pgu_read(arcpgu, ARCPGU_REG_CTRL);
-
-	if (m->flags & DRM_MODE_FLAG_PVSYNC)
-		val |= ARCPGU_CTRL_VS_POL_MASK << ARCPGU_CTRL_VS_POL_OFST;
-	else
-		val &= ~(ARCPGU_CTRL_VS_POL_MASK << ARCPGU_CTRL_VS_POL_OFST);
-
-	if (m->flags & DRM_MODE_FLAG_PHSYNC)
-		val |= ARCPGU_CTRL_HS_POL_MASK << ARCPGU_CTRL_HS_POL_OFST;
-	else
-		val &= ~(ARCPGU_CTRL_HS_POL_MASK << ARCPGU_CTRL_HS_POL_OFST);
-
-	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL, val);
-	arc_pgu_write(arcpgu, ARCPGU_REG_STRIDE, 0);
-	arc_pgu_write(arcpgu, ARCPGU_REG_START_SET, 1);
-
-	arc_pgu_set_pxl_fmt(arcpgu);
-
-	clk_set_rate(arcpgu->clk, m->crtc_clock * 1000);
-}
-
-static void arc_pgu_enable(struct drm_simple_display_pipe *pipe,
-			   struct drm_crtc_state *crtc_state,
-			   struct drm_plane_state *plane_state)
-{
-	struct arcpgu_drm_private *arcpgu = pipe_to_arcpgu_priv(pipe);
-
-	arc_pgu_mode_set(arcpgu);
-
-	clk_prepare_enable(arcpgu->clk);
-	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL,
-		      arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) |
-		      ARCPGU_CTRL_ENABLE_MASK);
-}
-
-static void arc_pgu_disable(struct drm_simple_display_pipe *pipe)
-{
-	struct arcpgu_drm_private *arcpgu = pipe_to_arcpgu_priv(pipe);
-
-	clk_disable_unprepare(arcpgu->clk);
-	arc_pgu_write(arcpgu, ARCPGU_REG_CTRL,
-			      arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) &
-			      ~ARCPGU_CTRL_ENABLE_MASK);
-}
-
-static void arc_pgu_update(struct drm_simple_display_pipe *pipe,
-			   struct drm_plane_state *state)
-{
-	struct arcpgu_drm_private *arcpgu;
-	struct drm_gem_cma_object *gem;
-
-	if (!pipe->plane.state->fb)
-		return;
-
-	arcpgu = pipe_to_arcpgu_priv(pipe);
-	gem = drm_fb_cma_get_gem_obj(pipe->plane.state->fb, 0);
-	arc_pgu_write(arcpgu, ARCPGU_REG_BUF0_ADDR, gem->paddr);
-}
-
-static const struct drm_simple_display_pipe_funcs arc_pgu_pipe_funcs = {
-	.update = arc_pgu_update,
-	.mode_valid = arc_pgu_mode_valid,
-	.enable	= arc_pgu_enable,
-	.disable = arc_pgu_disable,
-};
-
-int arc_pgu_setup_pipe(struct drm_device *drm)
-{
-	struct arcpgu_drm_private *arcpgu = dev_to_arcpgu(drm);
-
-	return drm_simple_display_pipe_init(drm, &arcpgu->pipe, &arc_pgu_pipe_funcs,
-					    arc_pgu_supported_formats,
-					    ARRAY_SIZE(arc_pgu_supported_formats),
-					    NULL, NULL);
-}